CN212425503U - Device for quantitatively adding granular active coke - Google Patents

Abstract

The utility model discloses a device for quantitatively adding granular active coke, which comprises a coke blending pool, wherein a stirrer is arranged in the coke blending pool; a ton bag bracket is arranged above the coke blending pool, a lifting device is arranged above the ton bag bracket and comprises a lifting plate, supports are arranged at two ends above the lifting plate, a bag lifting hook is rotatably arranged above the supports, and a bag lifting cylinder which drives the bag lifting hook to rotate is arranged at the tail end of the bag lifting hook; the ton bag bracket is provided with a bag clamping device below, the side surface of the bag clamping device is connected with a dust removal device, the lower part of the bag clamping device is connected with an inlet of a discharge valve, and an outlet of the discharge valve is connected with a coke distribution tank. The utility model adds the bracket for the ton bag, and the crane can lift the new active coke after adding the active coke without waiting for the completion of the ton bag, thereby shortening the coke preparation time; the lower coke amount is controlled by the rotating speed of the discharge valve, and the water inflow is controlled by the electromagnetic flow meter and the electric regulating valve, so that the ratio of the discharge valve and the electric regulating valve reaches a program set value.

Description

Device for quantitatively adding granular active coke

Technical Field

The utility model belongs to the technical field of sewage treatment, in particular to a device and a method for quantitatively adding granular active coke.

Background

The existing adding methods of granular active coke/carbon comprise a truck crane adding method and a water injector adding method.

The truck crane adding method comprises the following steps: the vehicle for transporting the active coke/carbon is stopped on the truck crane, the truck crane directly hoists the ton bag from the transport vehicle to the active coke/carbon adsorption tank, and then the ton bag is separated from the tank opening and directly falls into the tank body. However, this method has many problems:

1) the transportation vehicle needs to wait at the side of the pool, a certain time is needed for the hoisting, bag opening releasing and falling of the active coke/carbon, and the waiting time of the vehicle is longer;

2) for the active coke/charcoal stored in the warehouse, the transportation vehicle needs to be transported to the edge of the warehouse by a forklift, and the active coke/charcoal is hoisted by an automobile and needs to be transported by the forklift during adding, so that the transportation cost is relatively high;

3) the dust problem exists in the process that the active coke/carbon falls into the tank body, and the increasingly strict environmental protection requirements cannot be met;

4) the large-scale tank body is limited by the arm length of a suspension arm of a truck crane, and the condition that the active coke/carbon cannot be lifted exists when the truck crane is used for hoisting the large-scale tank body;

5) the labor cost is high, the number of operators is large, at least 3 workers are needed to complete the work, one worker is used for hanging the hook, the other worker is used for hoisting, and the other worker is used for unloading;

6) the crane platform has high shift cost, and the operation cost of each ton of water is high;

7) the initial coke washing process cannot be realized.

The water ejector adding method comprises the following steps: fork the ton bag from haulage vehicle with fork truck on to the hopper, the ton bag unties the sack and falls into the hopper, waits to fall one packet and forks next packet again, installs the discharge valve on the hopper, through discharge valve control unloading speed, and rethread bucket elevator carries to the storage tank, opens dust collector at the in-process of operation, and when active coke/charcoal need throw with, opens the water pump, and storage tank unloading valve carries to active coke/charcoal adsorption tank in through the water dart. However, this method also has many problems:

1) the whole set of equipment comprises a dust removal device, a discharge hopper, a bucket elevator, a storage bin, weighing equipment, a water injector, a jet pump and the like, so that the investment cost of the whole active coke/carbon adding system is relatively high; the equipment is more, and the maintenance work is more;

2) although the dust removal device is arranged, the problem of dust emission of the active coke/charcoal still exists inevitably in the process of conveying the active coke/charcoal by the bucket elevator;

3) during the conveying process, the dry active coke/carbon base is easier to wear equipment than the wet material;

4) the water ejector requires large working pressure, and the pipeline and the water ejector are easy to wear;

5) when the activated coke/carbon is added into the ejector, the volume ratio of the activated coke/carbon to water is 1: 5-1: 8, the water consumption is large, and meanwhile, the part of water needs to be treated again;

6) the forklift needs to wait for the active coke to fall off before transporting the next pack, the falling of the active coke needs a certain time, and the waiting time of the forklift is longer.

Disclosure of Invention

The utility model aims at providing a throw device and method of active burnt of granule with ration can shorten the time that the vehicle waited for, improves work efficiency, guarantees the ratio homogeneity of active burnt and water, guarantees to stabilize the burnt volume of adding.

Therefore, the utility model discloses a first technical scheme is: a device for quantitatively adding granular active coke comprises a coke blending tank, wherein a stirrer is arranged in the coke blending tank; the method is characterized in that: a ton bag bracket is arranged above the coke blending pool, a lifting device is arranged above the ton bag bracket, the lifting device comprises a lifting base and a lifting plate, and two ends of the lifting plate are rotationally matched with the lifting base through screws; two ends above the lifting plate are provided with brackets, a bag lifting hook is rotatably arranged above the brackets, and a bag lifting cylinder which drives the bag lifting hook to rotate is arranged at the tail end of the bag lifting hook; a bag clamping device is arranged below the ton bag bracket, the side surface of the bag clamping device is connected with a dust removal device through a pipeline, the lower part of the bag clamping device is connected with an inlet of a discharge valve, and an outlet of the discharge valve is connected with a coke distribution tank; the coke distribution tank is provided with a water inlet pipe, a flow meter is arranged on the water inlet pipe, a coke adding pipe is arranged below the coke distribution tank, and a coke adding pneumatic valve is arranged on the coke adding pipe.

Preferably, the middle of the bag lifting hook is rotatably mounted on the support through a pin shaft, the front end of the bag lifting hook is of a hook-shaped structure, the tail end of the bag lifting hook is fixed at the end part of a cylinder rod of a bag lifting cylinder, and the bag lifting cylinder can drive the tail end of the bag lifting hook to move downwards to lift the front end of the bag lifting hook; and a magnetic switch is arranged on the bag lifting cylinder.

Preferably, the water inlet pipe is divided into two paths, one path is connected to the upper part of the coke distribution pool through a flowmeter and an electric regulating valve, and the other path is connected to the coke feeding pipe through a flushing pneumatic valve; the coke feeding pipe is also provided with a coke feeding pump, and the flushing pneumatic valve is connected between the coke feeding pneumatic valve and the coke feeding pump.

When in use:

1) hoisting the active coke ton bags to the upper part of the coke preparation pool by using a travelling crane, placing the ton bags on a ton bag bracket, and continuously hoisting new ton bags by using the travelling crane;

2) the bag lifting cylinder contracts to lift the bag lifting hook, and the lifting lug of the ton bag is hung on the bag lifting hook;

3) pulling out the blanking extension bag at the lower part of the ton bag, sleeving the blanking extension bag outside the blanking pipe, and unfastening the extension bag after the extension bag is fastened by using a bag clamping device; meanwhile, starting a dust removal device;

4) opening an electric regulating valve, and adding water into the coke feeding pool to a set middle liquid level;

5) opening a discharge valve, and controlling the lower coke amount by using the rotating speed of the discharge valve; meanwhile, starting the stirrer;

6) when the ratio of the active coke to the water in the tank reaches a set value, the discharge valve is kept opened, and the active coke is continuously added; and opening the electric regulating valve again, adding water according to the set flow, and starting the coke adding pump to start coke adding.

When the proportioning speed of the active coke and the water is larger than the flow of the coke feeding pump, the liquid level in the coke feeding tank rises, and after the liquid level reaches a set high liquid level, the discharge valve, the electric regulating valve and the lifting device are immediately closed; when the proportioning speed is less than the flow of the coke feeding pump, when the liquid level in the coke feeding pool gradually drops to the set low liquid level, the flushing pneumatic valve in front of the coke feeding pump is opened, the coke feeding pneumatic valve is closed, the coke feeding pump is closed after the active coke in the coke feeding pipe is flushed, and then the steps 4), 5) and 6) are repeated.

Step 5), the lifting device starts to work, the lifting plate starts to ascend, the pulling force borne by each bag lifting hook is gradually increased, when the pulling force borne by the front end of one bag lifting hook is larger than the pulling force borne by a bag lifting cylinder on the rear end, the cylinder rod of the bag lifting cylinder is pulled upwards, and the lifting plate stops ascending after the magnetic switch on the bag lifting cylinder detects the pulling force; when the active coke in the ton bag is gradually reduced, the ton bag is gradually lifted by the bag lifting cylinder until the bag lifting cylinder is completely contracted, and the lifting plate is lifted again until the active coke in the ton bag is completely emptied; then repeating steps 1), 2), 3).

When the active coke in the ton bag is completely emptied and the ton bag is replaced, the discharge valve and the electric control valve are closed.

The volume ratio of the active coke to the water in the preparation process is 1: 1.5-1: 3, which is a set value of the ratio of the active coke to the water.

The utility model discloses increased ton bag bracket, the driving can need not wait to add again after one packet of active burnt hoist newly, unloads ton bag to ton bag bracket back on, can hoist next batch of active burnt charcoal at the in-process of joining in marriage burnt, the time of the waiting that can significantly reduce, especially to the long room of driving journey, shortens the time of joining in marriage burnt.

The utility model discloses utilize the rotational speed of discharge valve to control down burnt volume, control the inflow through electromagnetic flowmeter and electrical control valve, make ratio between them reach the program setting value, can guarantee the homogeneity of the ratio of active burnt and water, guarantee stable burnt volume of adding. The volume ratio of the active coke to the water is 1: 1.5-1: 3, and the uniform proportion can ensure the stability of a coking system and prevent pipelines and equipment from being blocked due to high coke concentration.

The utility model discloses at whole burnt in-process that adds, dust collector keeps the state of opening always. The dust removal device can pump away air and powdered activated coke/carbon in the ton bag through negative pressure suction, and simultaneously can pump away the powdered activated coke/carbon in the coke pool in the falling process of the activated coke/carbon, so that the dust raising problem is solved. And after being filtered by the dust removal device, the collected powdered activated coke/carbon can be reused, thereby creating new benefits.

The utility model discloses set up one on adding the burnt pipe and wash the pneumatic valve and connect the inlet tube, after adding burnt, can wash with the water and add the burnt pipe and can guarantee to add the unobstructed of burnt pipe, prevent the jam problem.

The utility model has the advantages as follows:

1) the activated coke/carbon can be automatically added, quantitatively added, the operation is easy, and the labor intensity of workers is low;

2) the time for adding the active coke/carbon can be reduced, and the working time is saved;

3) the dust can be prevented from flying, and a clean working environment can be kept;

4) the collected powdered activated coke/carbon can be reused to create new economic value;

5) the water consumption for preparing the active coke/carbon is low;

6) the ton bag can be repeatedly used, the market price of one ton bag is about 60 yuan, and the cost is saved.

Drawings

The following detailed description is made with reference to the accompanying drawings and embodiments of the present invention

Fig. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a schematic view of the present invention;

fig. 4 is a working side view of the present invention.

Labeled as: the device comprises a coke preparation pool 1, a ton bag bracket 2, a bag clamping device 3, a dust removal device 4, a star-shaped discharge valve 5, an electromagnetic flowmeter 6, an electric regulating valve 7, a flushing pneumatic valve 8, a stirring rod 9, a stirring motor 10, a lifting base 11, a lifting plate 12, a screw 13, a support 14, a bag lifting hook 15, a bag lifting cylinder 16, a water inlet pipe 17, a coke adding pipe 18, a coke adding pneumatic valve 19, a coke adding pump 20, a travelling crane 21, a ton bag 22 and a dust removal pipeline 23.

Detailed Description

See the drawings. The device for adding granular active coke comprises a coke preparation pool 1, a stirrer, a ton bag bracket 2, a lifting device, a bag clamping device 3, a dust removal device 4, a star-shaped discharge valve 5, an electromagnetic flowmeter 6, a liquid level meter, an electric regulating valve 7, a flushing pneumatic valve 8, a matched pipeline and an electric control system.

The mixer includes stirring rod 9 and the agitator motor 10 that drives the stirring rod work, and in stirring rod 9 placed in joining in marriage burnt pond 1, agitator motor 10 was fixed in joining in marriage 1 tops in the burnt pond: the ton bag bracket 2 is arranged above a feed inlet of the coke blending tank 1, a lifting device is arranged above the ton bag bracket 2 and comprises a lifting base 11 and a lifting plate 12, threaded holes are formed in two ends of the lifting base, two ends of the lifting plate 12 are in rotating fit with the lifting base 11 through a screw 13, a lifting motor is arranged at the end part of the screw 13, the lifting motor drives the screw, and the screw rotates and lifts in the threaded holes of the lifting base; the bag lifting device is characterized in that supports 14 are arranged at two ends above the lifting plate 12, a bag lifting hook 15 and a bag lifting cylinder 16 are mounted on the supports, the middle of the bag lifting hook 15 is rotatably mounted on the supports 14 through a pin shaft, the front end of the bag lifting hook is of a hook-shaped structure, the tail end of the bag lifting hook is fixed to the end portion of a cylinder rod of the bag lifting cylinder 16, and when the cylinder rod is contracted by the bag lifting cylinder 16, the tail end of the bag lifting hook can be driven to move downwards to lift the front end of the bag lifting hook 15; the bag lifting cylinder is provided with a magnetic switch, so that the contraction or extension state of a cylinder rod can be detected.

The ton bag bracket 2 below is equipped with bag clamping device 3, be equipped with the clip in the bag clamping device, can press from both sides tight ton bag 22's unloading extension bag, raise dust problem appears when preventing to untie the rope binding on the extension bag, bag clamping device 3 side is passed through dust removal pipeline 23 and is connected dust collector 4, dust collector is cabinet type dust collector, through negative pressure suction, can take away air and powder active coke/charcoal in the ton bag, can take away the active coke/charcoal of powder in the active coke/charcoal whereabouts in-process joins in marriage the burnt pond simultaneously, the raise dust problem has been solved, after filtering through dust collector, the powder active coke/charcoal of collection can reuse. The lower part of the clamping bag is connected with the inlet of a star-shaped discharge valve 5, and the outlet of the star-shaped discharge valve 5 is connected with the feed inlet of the coke preparation tank 1.

A water inlet pipe 17 is arranged above the coke distribution tank, a coke feeding pipe 18 is arranged below the coke distribution tank, the water inlet pipe is divided into two paths, one path is connected to the upper side of the coke distribution tank 1 through an electromagnetic flowmeter 6 and an electric regulating valve 7, and the other path is connected to the coke feeding pipe 18 through a flushing pneumatic valve 8; the coke feeding pipe is provided with a coke feeding pneumatic valve 19 and a coke feeding pump 20, and the flushing pneumatic valve 8 is connected between the coke feeding pneumatic valve 19 and the coke feeding pump 20. The coke distribution pool is internally provided with a liquid level meter for detecting the liquid level of the coke distribution pool so as to adjust the water inflow.

This embodiment utilizes driving 21 to hang active coke/charcoal ton bag 22 to joining in marriage burnt pond 1 from the active coke/charcoal stacking area, place ton bag 22 on ton bag bracket 2, the driving continues to hoist next ton bag, ton bag 22 on the bracket presss from both sides the sack of nexine on pressing from both sides bagging apparatus 3 through the artifical sack that unties the bottom, open dust collector 4 simultaneously, utilize star type discharge valve 5 rotational speed control lower coke yield, through electromagnetic flowmeter 6 and electric control valve 7 control inflow to reach the burnt water ratio that the procedure set for, the proportion can be set for as required at will.

The active coke/carbon feeding mode comprises two modes of ordered batch coking and continuous coking:

the sequencing batch type coke-charging is suitable for the occasion with less active coke/carbon charging amount. And (3) preparing a pool and adding the pool, automatically adding water to a set liquid level through liquid level control according to the proportion of the coke water, and then adding active coke/carbon into the coke preparation pool. After the stirring is uniform, the coke is lifted into an active coke/carbon adsorption tank by a coke feeding pump, the liquid level is lowered to a set value, a flushing pneumatic valve is opened, a coke feeding pneumatic valve is closed, and after the pipeline flushing is finished, the flushing pneumatic valve and the coke feeding pump are closed.

The continuous coke-charging is suitable for the occasion with large consumption of active coke/carbon. According to the proportion of the active coke/carbon and water, quantitatively supplementing water and quantitatively adding the active coke/carbon, controlling the water inlet amount through an electromagnetic flow meter and an electric regulating valve, and controlling the falling amount of the active coke/carbon through a discharge valve. The active coke/carbon with fixed proportion can realize quantitative feeding, simultaneously ensure the stable operation of equipment facilities in the conveying process, and avoid the occurrence of faults such as blockage of pipelines and equipment.

The method specifically comprises the following steps:

1) hoisting two bags of ton bags 22 above the coke blending pool 1 each time by using a travelling crane 21, placing the ton bags 22 on a ton bag bracket 2, taking down lifting lugs of the ton bags, and hoisting two bags of activated coke/carbon by using the travelling crane;

2) the bag lifting cylinder 16 is contracted to lift the bag lifting hook 15, each ton bag is provided with 4 lifting lugs, and the two ton bag lifting lugs are respectively hung on 8 bag lifting hooks; a bag clamping device 3 and a star-shaped discharge valve 5 are respectively arranged below each ton bag, and the two bag clamping devices 3 are connected with a dust removal device 4 through a dust removal pipeline 23;

3) starting the dust removal device 4; meanwhile, the blanking extension bag at the lower part of the ton bag 22 is pulled out and sleeved outside the blanking pipe, and after the blanking extension bag is fastened by the bag clamping device 3, the binding rope on the extension bag is untied;

4) while the operation is carried out, the electric regulating valve 7 is opened according to the maximum opening degree, water is added into the coke adding pool 1, and the water adding is stopped after the water level reaches the set middle liquid level h 1;

5) the stirring motor 10 is turned on, the two star-shaped discharge valves 5 are opened (the operation frequency of the discharge valves needs to be preset), and the lifting device is started. The lifting plate 12 starts to rise, the pulling force of each bag lifting hook 15 is gradually increased, as long as the pulling force of the front end of one bag lifting hook is larger than the pulling force of a bag lifting cylinder received by the rear end, the cylinder rod of the bag lifting cylinder 16 is pulled upwards, and the lifting plate 12 stops rising after the detection of a magnetic switch on the bag lifting cylinder; as the active coke/carbon in the ton bag 22 is gradually reduced, the ton bag 22 is gradually raised by the bag lifting cylinder 16 until the bag lifting cylinder is completely contracted, namely the magnetic switch detects the active coke/carbon again, and the lifting plate is raised again until the active coke/carbon in the ton bag is completely emptied; then repeating the steps 1), 2) and 3);

6) when the ratio of the active coke to the water in the tank reaches a set value, the star-shaped discharge valve 5 is kept opened, and the active coke is continuously added; opening the electric regulating valve 7 again, adding water according to the set flow, and starting the coke adding pump to start coke adding;

7) when the coke feeder is generally operated, the proportioning speed of the active coke and the water is higher than the flow of the coke feeding pump, the liquid level in the coke feeding tank rises, and after the liquid level reaches a set high liquid level, the star-shaped discharge valve 5, the electric regulating valve 7 and the lifting device are immediately closed;

if the proportioning speed is less than the flow of the coke feeding pump, when the liquid level in the coke feeding tank gradually drops to a set low liquid level, the coke feeding pump cannot be stopped immediately, at this time, a flushing pneumatic valve 8 in front of the coke feeding pump is opened, a coke feeding pneumatic valve 19 is closed, the coke feeding pump 20 is closed after active coke in the coke feeding pipe is flushed, and then the steps 4), 5) and 6) are repeated;

8) in the whole coking process, the dust removal device 4 and the stirrer are kept on all the time;

9) the star-shaped discharge valve 5 and the electric regulating valve 7 are closed every time the ton bag 22 is changed.

Claims (3)

1. A device for quantitatively adding granular active coke comprises a coke blending tank, wherein a stirrer is arranged in the coke blending tank; the method is characterized in that: a ton bag bracket is arranged above the coke blending pool, a lifting device is arranged above the ton bag bracket, the lifting device comprises a lifting base and a lifting plate, and two ends of the lifting plate are rotationally matched with the lifting base through screws; two ends above the lifting plate are provided with brackets, a bag lifting hook is rotatably arranged above the brackets, and a bag lifting cylinder which drives the bag lifting hook to rotate is arranged at the tail end of the bag lifting hook; a bag clamping device is arranged below the ton bag bracket, the side surface of the bag clamping device is connected with a dust removal device through a pipeline, the lower part of the bag clamping device is connected with an inlet of a discharge valve, and an outlet of the discharge valve is connected with a coke distribution tank; the coke distribution tank is provided with a water inlet pipe, a flow meter is arranged on the water inlet pipe, a coke adding pipe is arranged below the coke distribution tank, and a coke adding pneumatic valve is arranged on the coke adding pipe.

2. The apparatus for quantitatively adding granular activated coke as set forth in claim 1, wherein: the middle of the bag lifting hook is rotatably arranged on the bracket through a pin shaft, the front end of the bag lifting hook is of a hook-shaped structure, the tail end of the bag lifting hook is fixed at the end part of a cylinder rod of a bag lifting cylinder, and the bag lifting cylinder can drive the tail end of the bag lifting hook to move downwards and lift the front end of the bag lifting hook; and a magnetic switch is arranged on the bag lifting cylinder.

3. The apparatus for quantitatively adding granular activated coke as set forth in claim 1, wherein: the water inlet pipe is divided into two paths, one path is connected to the upper part of the coke distribution tank through a flowmeter and an electric regulating valve, and the other path is connected to the coke feeding pipe through a flushing pneumatic valve; the coke feeding pipe is also provided with a coke feeding pump, and the flushing pneumatic valve is connected between the coke feeding pneumatic valve and the coke feeding pump.

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