CN219722182U - Coal water recycling device - Google Patents

Abstract

The utility model relates to a coal water recycling device which comprises a slurry pump, a separation purifying box, a screw conveyor, a drying box and a flash tank, wherein a partition plate is arranged in the separation purifying box, a separating chamber is arranged above the partition plate, a purifying chamber is arranged below the partition plate, a first hydraulic cylinder is arranged on one side of the separating chamber, a sludge discharge pipe is arranged on the other side of the separating chamber, a filter screen plate is arranged in the separating chamber in a lifting manner on one side close to the first hydraulic cylinder, a water outlet is arranged on the partition plate between the filter screen plate and the first hydraulic cylinder and is communicated with a discharge hole of the slurry pump, a piston rod of the first hydraulic cylinder is fixedly connected with a push plate, a water distributor is arranged in the upper part of the purifying chamber, a purifying filler is arranged in the lower part of the purifying chamber, a drain pipe is arranged at the bottom of the purifying chamber, a sludge inlet pipe is arranged at the top of the drying box, a coal discharge pipe is arranged at the bottom of the side of the separating chamber, a jacket is arranged in the jacket, and a steam coil is arranged. The utility model can realize the effective separation of coal water, the effective purification of the separated water, the automatic cleaning and conveying of separated coal slime and the effective heating and drying, and is more practical.

Description

Coal water recycling device

Technical Field

The utility model belongs to the technical field of coal water recovery, and particularly relates to a coal water recovery and utilization device.

Background

At present, due to the requirements of national environmental protection, spray dust suppression devices are mostly arranged in places such as coal sheds for storing and using coal so as to suppress coal dust pollution. Meanwhile, when the coal transporting vehicle leaves the coal shed, the coal transporting vehicle needs to be washed, namely, the amount of spray water and car washing water used on site is large, so that more waste water is generated after spraying and car washing. The main component in the wastewater is coal, and unreasonable treatment can cause water pollution and influence the ecological environment. Therefore, there is also a need for efficient collection and purification of such wastewater. However, in the existing treatment, the conventional separation equipment is generally adopted to carry out simple separation treatment on the wastewater, the separated water is not further purified and reused, and the separated coal slime is often required to be manually cleaned periodically, so that the operation is tedious, time and labor are wasted, the cleaned coal slime is naturally dried, the time is long, a certain field is required, the subsequent reuse of the separated coal slime is not facilitated, and the improvement is needed.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a coal water recycling apparatus capable of effectively separating coal water, effectively purifying separated water, automatically cleaning separated coal slime, conveying the separated coal slime, and effectively heating and drying the separated coal slime.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a coal water recycling device, includes slush pump, separation purifying box, screw conveyer, drying cabinet and flash tank, the separation purifying box is interior the level has set firmly the baffle, the top of baffle is the separation chamber, the below is the clean room, the upper level of a lateral wall of separation chamber is equipped with first pneumatic cylinder, another lateral wall intercommunication has the mud pipe that has the mud valve, be close to first pneumatic cylinder in the separation chamber one side vertical be equipped with the filter screen board, be equipped with the water outlet on the baffle between first pneumatic cylinder and the filter screen board, the separation chamber top between mud pipe and the filter screen board communicates with the discharge gate of slush pump, the piston rod of first pneumatic cylinder is towards mud pipe and fixedly connected with push pedal, the front and back both sides of push pedal and filter screen board all butt on corresponding separation chamber inner wall, the bottom butt on the baffle, just the top of filter screen board stretches out the separation chamber and with the piston rod fixed connection of the second pneumatic cylinder on the outside the top of vertical frame, be equipped with water distributor in the upper portion of clean room, the lower part is equipped with water outlet, drain pipe, water inlet down the water distributor communicates with water inlet down, water outlet down intercommunication; the top of the drying box is communicated with a mud inlet pipe with a mud inlet valve, the bottom of the drying box is communicated with a coal discharge pipe with a coal discharge valve, the side part of the drying box is provided with a jacket, the inlet of the screw conveyor is communicated with the bottom end of the mud discharge pipe, the outlet of the screw conveyor is communicated with the top end of the mud inlet pipe, a steam coil is wound on the outer side wall of the drying box in the jacket, the inlet end and the outlet end of the steam coil extend out of the jacket, and the inlet end of the steam coil is communicated with the steam outlet of the flash tank.

Preferably, a heating column is vertically arranged on the center of the inner bottom of the drying box, a cavity is formed in the heating column in a hollow mode, a supporting rod is coaxially arranged in the cavity, and a heating resistance wire is wound on the supporting rod.

Preferably, be equipped with the motor case on the outer top center of drying cabinet, be equipped with the motor in the motor case, the output shaft of motor stretches into the drying cabinet down and be circumference interval distribution on the week side of its bottom and have a plurality of L shape (mixing) shafts that fall, all be interval distribution about the inboard of the vertical part of every (mixing) shaft has a plurality of square stirring frame, square stirring frame distributes and is fixedly connected with a plurality of vertical puddlers between the both sides about and around the week side of heating post and its, fixedly connected with a plurality of horizontal puddlers between the both sides.

Preferably, a scraper is arranged on the outer side of the vertical part of the stirring shaft, and the scraper is abutted against the inner side wall of the drying box.

Preferably, the top of the drying box is communicated with an exhaust pipe, and the tail end of the exhaust pipe is communicated with an air inlet of an exhaust fan arranged on the outer top of the drying box.

Preferably, the purifying filler is one of activated carbon, quartz sand, zeolite and ion exchange resin.

The beneficial effects of the utility model are as follows: the utility model has reasonable design and simple structure, and when in use, the collected coal-containing wastewater after spraying and washing can be conveyed into the separation chamber between the filter screen plate and the mud pipe through the mud pump. Then, under the action of the filter interception of the filter screen plate, the coal slime in the coal-containing wastewater can be effectively blocked between the filter screen plate and the mud discharging pipe, and water can pass through the filter screen plate to reach between the filter screen plate and the first hydraulic cylinder and can be discharged into a water distributor in the purifying chamber through a water outlet. Then, under the action of the water distributor, the separated water can be uniformly sprayed towards the purification filler and pass through the purification filler, and finally discharged through the drain pipe, when the water flows through the purification filler, the water can be further adsorbed and purified by the purification filler, the cleanliness of the separated water can be greatly improved, and the purified water discharged from the drain pipe can be reused as spraying dust suppression and car washing water;

after the separation of the wastewater containing coal is completed, the second hydraulic cylinder is operated firstly, so that the piston rod of the second hydraulic cylinder is contracted, and the filter screen plate can be driven to move out of the separation chamber, thereby being convenient for cleaning and maintaining the filter screen plate, avoiding the blockage of the filter screen plate, ensuring the normal and stable operation of the filter screen plate and not influencing the cleaning of coal slime. Then, the coal slime can be cleaned, specifically: the mud valve is opened and the first hydraulic cylinder is operated, so that the piston rod of the mud valve is extended, the push plate can be driven to move towards the mud discharging pipe, so that the coal slime accumulated on the partition plate can be pushed into the mud discharging pipe, and then is input into the screw conveyor through the mud discharging pipe, and is driven to be conveyed into the drying oven by the screw conveyor, so that manual cleaning is not needed, and the operation is simpler, more convenient, time-saving and labor-saving. After that, can produce flash evaporation steam by the flash tank and carry in the steam coil, make flash evaporation steam flow through the steam coil, can utilize flash evaporation steam and drying cabinet to carry out heat exchange, carry out effective heating drying treatment to the coal slime that gets into in the drying cabinet, efficient, effectual, can effectively avoid original natural sunning long-time, the big problem of area, more be favorable to follow-up reuse of the dry coal material of discharging from the coal discharging pipe after drying.

Drawings

FIG. 1 is a schematic diagram of the front view of the present utility model;

FIG. 2 is a schematic view of a sectional front view of the separation purifying tank of the present utility model;

fig. 3 is a schematic view of a sectional front view of the drying oven of the present utility model.

Reference numerals in the drawings: 1 is a slurry pump, 2 is a separation purifying box, 3 is a screw conveyor, 4 is a drying box, 5 is a flash tank, 6 is a partition plate, 7 is a separating chamber, 8 is a purifying chamber, 9 is a first hydraulic cylinder, 10 is a mud discharging valve, 11 is a mud discharging pipe, 12 is a filter screen plate, 13 is a water outlet, 14 is a push plate, 15 is a second hydraulic cylinder, 16 is a water distributor, 17 is a purifying filler, 18 is a drain valve, 19 is a drain pipe, 20 is a mud inlet valve, 21 is a mud inlet pipe, 22 is a coal discharging valve, 23 is a coal discharging pipe, 24 is a jacket, 25 is a steam coil, 26 is a heating column, 27 is a cavity, 28 is a supporting rod, 29 is a heating resistance wire, 30 is a motor box, 31 is a motor, 32 is a stirring shaft, 33 is a square stirring frame, 34 is a vertical stirring rod, 35 is a transverse stirring rod, 36 is a scraping plate, 37 is an exhaust pipe, 38 is an exhaust fan.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and detailed description:

as shown in fig. 1 to 3, a coal water recycling apparatus includes a slurry pump 1, a separation purifying tank 2, a screw conveyor 3, a drying tank 4, and a flash tank 5. A baffle plate 6 is horizontally and fixedly arranged in the separation purifying box 2, a separating chamber 7 is arranged above the baffle plate 6, and a purifying chamber 8 is arranged below the baffle plate 6. A first hydraulic cylinder 9 is horizontally arranged on one side wall of the separation chamber 7, a mud discharging pipe 11 with a mud discharging valve 10 is communicated with the other side wall of the separation chamber 7, a filter screen plate 12 is vertically arranged on one side, close to the first hydraulic cylinder 9, of the separation chamber 7, a water discharging port 13 is arranged on a partition plate 6 between the first hydraulic cylinder 9 and the filter screen plate 12, and the top of the separation chamber 7 between the mud discharging pipe 11 and the filter screen plate 12 is communicated with a discharge port of the mud pump 1. The piston rod of the first hydraulic cylinder 9 faces the mud discharging pipe 11 and is fixedly connected with a push plate 14, the front side and the rear side of the push plate 14 and the filter screen plate 12 are both abutted on the inner wall of the corresponding separation chamber 7, the bottom end of the filter screen plate 12 is abutted on the partition plate 6, and the top end of the filter screen plate 12 extends out of the separation chamber 7 and is fixedly connected with the piston rod of the second hydraulic cylinder 15 vertically erected on the outer top of the separation chamber 7. The upper part of the purifying chamber 8 is internally provided with a water distributor 16, the lower part is internally provided with purifying filler 17, the bottom is communicated with a drain pipe 19 with a drain valve 18, the water inlet of the water distributor 16 is communicated with the sewer outlet 13, and the water outlet is downward. The top of the drying box 4 is communicated with a mud inlet pipe 21 with a mud inlet valve 20, the bottom is communicated with a coal discharge pipe 23 with a coal discharge valve 22, and the side part is provided with a jacket 24. The inlet and outlet of the screw conveyor 3 are communicated with the bottom end of the mud discharging pipe 11, the outlet is communicated with the top end of the mud feeding pipe 21, a steam coil 25 is wound on the outer side wall of the drying box 4 in the jacket 24, the inlet end and the outlet end of the steam coil 25 extend out of the jacket 24, and the inlet end of the steam coil is communicated with the steam discharging port of the flash tank 5;

when in use, a proper amount of collected coal-containing wastewater generated after spraying and washing can be firstly conveyed into the separation chamber 7 between the filter screen plate 12 and the mud discharging pipe 11 through the mud pump 1. Then, under the action of the filter screen 12, the coal slime in the coal-containing wastewater can be effectively blocked between the filter screen 12 and the mud pipe 11, and the water can pass through the filter screen 12 to reach between the filter screen 12 and the first hydraulic cylinder 9 and can be discharged into the water distributor 16 in the purifying chamber 8 through the water outlet 13. Then, under the action of the water distributor 16, the separated water can be uniformly sprayed towards the purification filler 17 and pass through the purification filler 17, and finally discharged through the drain pipe 19, when the water flows through the purification filler 17, the water can be further adsorbed and purified by the purification filler 17, the cleanliness of the separated water can be greatly improved, and the purified water discharged from the drain pipe 19 can be reused as spraying dust suppression and car washing water;

after the separation of the wastewater containing coal is completed, the second hydraulic cylinder 15 is operated firstly, so that the piston rod of the second hydraulic cylinder is contracted, and the filter screen plate 12 can be driven to move out of the separation chamber 7, thereby being convenient for cleaning and maintaining the filter screen plate 12, avoiding the blockage of the filter screen plate 12, ensuring the normal and stable operation of the filter screen plate, and not affecting the cleaning of coal slime. Then, the coal slime can be cleaned, specifically: the mud discharging valve 10 is opened, the first hydraulic cylinder 9 is operated, the piston rod of the first hydraulic cylinder is extended, the push plate 14 can be driven to move towards the mud discharging pipe 11, so that the coal mud accumulated on the partition plate 6 can be pushed into the mud discharging pipe 11, the coal mud is input into the screw conveyor 3 through the mud discharging pipe 11, the screw conveyor 3 drives the coal mud to be conveyed into the drying box 4, manual cleaning is not needed, and the operation is simpler, more convenient, time-saving and labor-saving. After that, flash steam can be generated by the flash tank 5 and conveyed to the steam coil 25, so that the flash steam flows through the steam coil 25, and heat exchange can be carried out between the flash steam and the drying box 4, so that the coal slime entering the drying box 4 is effectively heated and dried, the efficiency is high, the effect is good, the problems of long time consumption and large occupied area of the original natural drying can be effectively avoided, and the subsequent recycling of the dry coal discharged from the coal discharge pipe 23 after drying is more facilitated. The slurry pump 1, screw conveyor 3, flash tank 5 and heating coil 25 are all well known in the art, and their specific construction and operation are not described in detail herein.

In this embodiment, the vertical heating post 26 that is equipped with on the interior bottom center of drying cabinet 4, the heating post 26 cavity is equipped with cavity 27, coaxial branch 28 that is equipped with in the cavity 27, around being equipped with heating resistance wire 29 on the branch 28, make when carrying out steam heating drying to the coal slime, still can switch on heating resistance wire 29's circuit, produce heat at the interior center of drying cabinet 4, thereby can cooperate to realize outside-in and inside-out two-way heating drying treatment to the coal slime, the efficiency of drying is higher, the effect is better, can further shorten the drying required time, the follow-up reuse to the dry coal material that discharges from coal discharge pipe 23 after more being favorable to drying.

In this embodiment, a motor box 30 is arranged in the center of the outer top of the drying box 4, a motor 31 is arranged in the motor box 30, an output shaft of the motor 31 extends downwards into the drying box 4, and a plurality of inverted-L-shaped stirring shafts 32 are circumferentially distributed at intervals on the peripheral side of the bottom end of the motor 31. The inside of the vertical part of each stirring shaft 32 is provided with a plurality of square stirring frames 33 which are vertically distributed at intervals, the square stirring frames 33 are distributed on the periphery of the heating column 26, a plurality of vertical stirring rods 34 are fixedly connected between the upper side and the lower side of the square stirring frames, a plurality of transverse stirring rods 35 are fixedly connected between the left side and the right side of the square stirring frames, so that when the coal slime is heated and dried bidirectionally, the motor 31 can be started, the power provided by the motor 31 is utilized to drive a plurality of stirring shafts 32 and a plurality of square stirring frames 33 on each stirring shaft 32 to integrally turn around, and the plurality of vertical stirring rods 34 and the transverse stirring rods 35 on each square stirring frame 33 are matched, so that the high-efficiency high-quality stirring mixing of the coal slime can be realized, the coal slime can be heated uniformly and effectively everywhere, and the drying efficiency and the quality of the coal slime can be further improved.

In this embodiment, the scraper 36 is disposed on the outer side of the vertical portion of the stirring shaft 32, and the scraper 36 is abutted on the inner side wall of the drying oven 4, so that the scraper 36 that rotates synchronously with the stirring shaft 32 can be used to effectively scrape and clean the inner wall of the drying oven 4 during stirring, and the phenomenon that the coal slime adheres to the inner wall of the drying oven 4 to affect the drying efficiency and quality is avoided.

In this embodiment, the top of the drying box 4 is communicated with the exhaust pipe 37, the tail end of the exhaust pipe 37 is communicated with the air inlet of the exhaust fan 38 arranged on the top outside the drying box 4, the exhaust fan 38 can be operated in the heating and drying process, and the evaporated moisture is rapidly discharged out of the drying box 4 through the exhaust pipe 37 by using the suction force of the exhaust fan 38, so that the evaporation of the moisture in the coal slime can be accelerated, and the drying efficiency and quality can be further improved.

In this embodiment, the purifying filler 17 is one of activated carbon, quartz sand, zeolite, and ion exchange resin, so as to ensure the purifying effect on the separated water, and not to affect the reuse of the purified water.

The working principle of the utility model is as follows: when in use, a proper amount of collected coal-containing wastewater generated after spraying and washing can be firstly conveyed into the separation chamber 7 between the filter screen plate 12 and the mud discharging pipe 11 through the mud pump 1. Then, under the action of the filter screen 12, the coal slime in the coal-containing wastewater can be effectively blocked between the filter screen 12 and the mud pipe 11, and the water can pass through the filter screen 12 to reach between the filter screen 12 and the first hydraulic cylinder 9 and can be discharged into the water distributor 16 in the purifying chamber 8 through the water outlet 13. Then, under the action of the water distributor 16, the separated water can be uniformly sprayed towards the purification filler 17 and pass through the purification filler 17, and finally discharged through the drain pipe 19, when the water flows through the purification filler 17, the water can be further adsorbed and purified by the purification filler 17, the cleanliness of the separated water can be greatly improved, and the purified water discharged from the drain pipe 19 can be reused as spraying dust suppression and car washing water;

after the separation of the wastewater containing coal is completed, the second hydraulic cylinder 15 is operated firstly, so that the piston rod of the second hydraulic cylinder is contracted, and the filter screen plate 12 can be driven to move out of the separation chamber 7, thereby being convenient for cleaning and maintaining the filter screen plate 12, avoiding the blockage of the filter screen plate 12, ensuring the normal and stable operation of the filter screen plate, and not affecting the cleaning of coal slime. Then, the coal slime can be cleaned, specifically: the mud discharging valve 10 is opened, the first hydraulic cylinder 9 is operated, the piston rod of the first hydraulic cylinder is extended, the push plate 14 can be driven to move towards the mud discharging pipe 11, so that the coal mud accumulated on the partition plate 6 can be pushed into the mud discharging pipe 11, the coal mud is input into the screw conveyor 3 through the mud discharging pipe 11, the screw conveyor 3 drives the coal mud to be conveyed into the drying box 4, manual cleaning is not needed, and the operation is simpler, more convenient, time-saving and labor-saving. After that, flash steam can be generated by the flash tank 5 and conveyed to the steam coil 25, so that the flash steam flows through the steam coil 25, and heat exchange can be carried out between the flash steam and the drying box 4, so that the coal slime entering the drying box 4 is effectively heated and dried, the efficiency is high, the effect is good, the problems of long time consumption and large occupied area of the original natural drying can be effectively avoided, and the subsequent recycling of the dry coal discharged from the coal discharge pipe after drying is more facilitated.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The utility model provides a coal water recycling device, including slush pump, separation purifying box, screw conveyer, drying cabinet and flash tank, its characterized in that, the separation purifying box is interior horizontal to set firmly the baffle, the top of baffle is the separation chamber, the below is the clean room, be equipped with first pneumatic cylinder on the lateral wall of separation chamber horizontally, another lateral wall intercommunication has the mud pipe that has the mud valve, be close to first pneumatic cylinder's one side in the separation chamber vertically and be equipped with the filter screen board, be equipped with the water outlet on the baffle between first pneumatic cylinder and the filter screen board, the separation chamber top between mud pipe and the filter screen board is linked together with the discharge gate of slush pump, the piston rod of first pneumatic cylinder is towards mud pipe and fixedly connected with push pedal, the front and back both sides of push pedal and filter screen board all butt on the corresponding separation chamber inner wall, the bottom butt on the baffle, and the top of filter screen stretches out the separation chamber and with the fixed connection of the second pneumatic cylinder that erects on the outside the separation chamber top vertically, be equipped with the water distributor in the upper portion of clean room, the lower portion is equipped with water inlet, the water distributor, the bottom has the water inlet down to be linked together with the water distributor, the water outlet is connected with the water outlet down; the top of the drying box is communicated with a mud inlet pipe with a mud inlet valve, the bottom of the drying box is communicated with a coal discharge pipe with a coal discharge valve, the side part of the drying box is provided with a jacket, the inlet of the screw conveyor is communicated with the bottom end of the mud discharge pipe, the outlet of the screw conveyor is communicated with the top end of the mud inlet pipe, a steam coil is wound on the outer side wall of the drying box in the jacket, the inlet end and the outlet end of the steam coil extend out of the jacket, and the inlet end of the steam coil is communicated with the steam outlet of the flash tank.

2. The coal water recycling device according to claim 1, wherein a heating column is vertically arranged on the center of the inner bottom of the drying box, a cavity is arranged in the heating column in a hollow mode, a supporting rod is coaxially arranged in the cavity, and a heating resistance wire is wound on the supporting rod.

3. The coal water recycling device according to claim 2, wherein a motor box is arranged in the center of the outer top of the drying box, a motor is arranged in the motor box, an output shaft of the motor downwards extends into the drying box, a plurality of inverted-L-shaped stirring shafts are circumferentially distributed at intervals on the periphery of the bottom end of the motor, a plurality of square stirring frames are vertically distributed on the inner side of the vertical part of each stirring shaft at intervals, a plurality of vertical stirring rods are fixedly connected between the upper side and the lower side of the square stirring frames, and a plurality of transverse stirring rods are fixedly connected between the left side and the right side of the square stirring frames.

4. A coal water recycling apparatus according to claim 3, wherein a scraper is provided on the outer side of the vertical portion of the stirring shaft, and the scraper abuts on the inner side wall of the drying box.

5. The coal water recycling device according to claim 1, wherein the top of the drying box is communicated with an exhaust pipe, and the tail end of the exhaust pipe is communicated with an air inlet of an exhaust fan arranged on the outer top of the drying box.

6. The coal water recycling device according to claim 1, wherein the purification filler is one of activated carbon, quartz sand, zeolite, and ion exchange resin.