Coal tar filter cleaning device

Abstract

The utility model relates to the technical field of coal tar pretreatment equipment cleaning, in particular to a coal tar filter cleaning device which comprises a shell, an overflow tank is arranged at the rear end of the bottom of the shell, an acid-base pool is arranged in the middle of the shell, an ultrasonic cleaning pool is arranged at the front end of the bottom of the shell, and a first partition door is arranged between the overflow tank and the acid-base pool. Second partition doors are arranged on the acid-base pool and the ultrasonic cleaning pool, sliding grooves are symmetrically formed in the two sides of the shell, clamping devices are slidably connected into the sliding grooves, a grabbing device is slidably connected to the upper end of the shell, and a high-pressure water pipe is fixedly connected to the upper portion of an overflow tank. And the lower end of the high-pressure water pipe is fixedly connected with a plurality of high-pressure nozzles facing the overflow tank. The metal powder sintering filter element can be cleaned, the service life of the metal powder sintering filter element is prolonged, the operation cost is reduced, and the generation of industrial waste is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the coal tar pretreatment equipment cleaning technical field, specifically is a coal tar filter cleaning device. BACKGROUND

[0002] Coal tar is the byproduct of coal coking, dry distillation and gasification, contains more moisture, salt, metal and quinoline insoluble (hereinafter referred to as QI), these impurities can have serious influence on hydrogenation equipment, catalyst and product quality. The metal content in coal tar is 0.01~0.05%wt, mainly calcium, magnesium, iron, sodium and other metals, about 10~20%wt of the metal exists in the emulsified water of coal tar as water-soluble metal compound, about 30%wt of the metal exists in part QI as solid particles, the remaining metal dissolves in coal tar as naphthenate, phenate, porphyrin salt and more complex colloid asphalt salt, these metals can generate metal sulfide and deposit on the catalyst in the hydrogenation process, causing catalyst blockage, deactivation, poisoning and bed pressure drop increase. In order to reduce the impurity content in coal tar and reduce the energy consumption in the coal tar pretreatment process, it is necessary to heat the coal tar after flashing, and then filter, wherein metal powder sintered filter element is often used as filter element, the metal powder sintered filter element has the characteristics of corrosion resistance, high temperature resistance, high strength and high filtration precision, and cannot be replaced by other filter materials, but after a period of use, the filter element is blocked by the impurities filtered, the porosity is reduced, and the filtration capacity is lost. The metal powder sintered filter element is high in price, frequent replacement will increase the operation cost, and the replaced filter element will also become industrial waste that is difficult to handle, therefore, it is necessary to develop a coal tar filter cleaning device that can clean the metal powder sintered filter element, prolong the service life of the metal powder sintered filter element, reduce the operation cost and reduce the generation of industrial waste. SUMMARY

[0003] In view of the above technical problems, the utility model provides a coal tar filter cleaning device that can clean the metal powder sintered filter element, increase the service life of the metal powder sintered filter element, reduce the operation cost and reduce the generation of industrial waste, to solve the problems that the filter element is blocked by the impurities filtered after a period of use, the porosity is reduced, the filtration capacity is lost, the metal powder sintered filter element is high in price, frequent replacement will increase the operation cost, and the replaced filter element will also become industrial waste that is difficult to handle.

[0004] To solve the above technical problems, the utility model provides a coal tar filter cleaning device, including the casing, the casing bottom rear end is provided with the overflow groove, the middle is provided with acid base pool, the front end is provided with ultrasonic cleaning pool, overflow groove with acid base pool between be provided with first partition door, acid base pool with ultrasonic cleaning pool is provided with second partition door, the casing both sides symmetry is provided with the sliding slot, the sliding slot inside is connected with the clamping device of sliding, the casing upper end is connected with the grabbing device of sliding, the overflow groove top is fixedly connected with high pressure water pipe, high pressure water pipe lower extreme fixedly connected with a plurality of high pressure spray head to the overflow groove, the overflow groove one end is connected with the detection box extending to the casing outside, the other end is connected with the drain pipe, the acid base pool includes acid liquid pool and lye pool, the acid liquid pool outside upper end with acid liquid inlet pipe intercommunication, lower extreme with acid liquid outlet pipe intercommunication, the lye pool outside upper end with lye inlet pipe intercommunication, lower extreme with lye outlet pipe intercommunication, the ultrasonic cleaning pool top intercommunication has deionized water inlet pipe, the overflow groove bottom fixedly connected with overflow nozzle.

[0005] Further, the casing front end is hinged with an exit hatch, and the rear end is hinged with an entrance hatch, the first partition door, the second partition door and the casing are slidingly connected.

[0006] Further, the grabbing device includes a displacement block, the displacement block is fixedly connected with a telescopic cylinder at the upper end, and the output end of the telescopic cylinder penetrates the displacement block, the casing and the gripper are fixedly connected.

[0007] Further, the casing upper end is provided with three parallel vertical sliding grooves extending from the rear end to the front end, the rear end of the vertical sliding groove is provided with a horizontal sliding groove communicating with the vertical sliding groove, the displacement block is slidingly arranged in the vertical sliding groove and the horizontal sliding groove, the displacement block is made of iron material, one end of the horizontal sliding groove is provided with a horizontal telescopic cylinder, one end of the vertical sliding groove is provided with a vertical telescopic cylinder, and the output ends of the horizontal telescopic cylinder and the vertical telescopic cylinder are fixedly connected with electromagnets.

[0008] Further, the clamping device includes a threaded block, the threaded block is slidingly connected with the casing through the sliding groove, a bolt penetrating the threaded block is screwedly connected in the threaded block, one end of the screw rod of the bolt is fixedly connected with a clamping plate, the other end is fixedly connected with a rotating disc, one end of the sliding groove is fixedly connected with a translation telescopic cylinder, and the output end of the translation telescopic cylinder is fixedly connected with the threaded block.

[0009] Further, the overflow groove is symmetrically provided with a snap ring at the upper end, and the high pressure water pipe is fixedly connected with the casing through the snap ring.

[0010] Further, the acid liquid pool and the lye pool are fixedly connected with heating wires at the bottom.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] The utility model discloses a set up clamping device clamping filter core, through setting the overflow groove in the casing, and the high pressure water pipe, high pressure shower head of the overflow groove top, can utilize deionized water to filter core and wash, through the grabbing device and vertical slide groove, horizontal slide groove, can send filter core into acid liquid pool or lye pool and soak, through the detection box of one side of overflow groove, can sample and wash the deionized water of filter core, and then determine pH through pH meter, through ultrasonic cleaning pool can further clean filter core, thereby increase metal powder sintered filter core service life, make metal powder sintered filter core can be reused, reduce operating cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structure schematic diagram of the utility model.

[0014] Figure 2 It is the section view of the overflow groove position of the utility model.

[0015] Figure 3 It is the section view of the acid-alkali pool position of the utility model.

[0016] Figure 4 It is the section view of the ultrasonic cleaning pool position of the utility model.

[0017] Figure 5 It is Figure 4 The enlarged view of D.

[0018] Figure 6 It is the side view of the utility model.

[0019] Figure 7 It is the plan view of the utility model.

[0020] Figure 8 It is the plan section view of the utility model.

[0021] In the drawing: 1, casing, 2, overflow groove, 3, acid liquid pool, 4, lye pool, 5, ultrasonic cleaning pool, 6, first partition door, 7, second partition door, 8, clamping device, 801, bolt, 802, threaded block, 803, clamping plate, 9, grabbing device, 901, displacement block, 902, telescopic cylinder, 903, grab hand, 10, vertical slide groove, 11, horizontal slide groove, 12, horizontal telescopic cylinder, 13, vertical telescopic cylinder, 14, high pressure water pipe, 15, high pressure shower head, 16, snap ring, 17, detection box, 18, drain pipe, 19, overflow nozzle, 20, slide groove, 21, acid liquid inlet pipe, 22, acid liquid outlet pipe, 23, lye inlet pipe, 24, lye outlet pipe, 25, translation telescopic cylinder, 26, deionized water inlet pipe, 27, heating wire. DETAILED DESCRIPTION

[0022] The utility model discloses make further explanation to the utility model below combining the drawing.

[0023] As Figures 1 to 8 The utility model discloses a coal tar filter cleaning device as shown in a kind of, including shell 1, shell 1 bottom rear end is provided with overflow groove 2, middle is provided with acid-alkali pool, front end is provided with ultrasonic cleaning pool 5, to prevent mutual influence when each area operation, overflow groove 2 and acid-alkali pool between being provided with first partition door 6, acid-alkali pool and ultrasonic cleaning pool 5 are provided with second partition door 7, to can move clamping device 8 before and after, shell 1 both sides symmetry is provided with sliding slot 20, sliding slot 20 is slidably connected with clamping device 8, to facilitate the filter core in acid-alkali pool and take out, shell 1 upper end is slidably connected with grabbing device 9, to flush the adhering material on filter core, overflow groove 2 top is fixedly connected with high-pressure water pipe 14, high-pressure water pipe 14 lower end is fixedly connected with several high-pressure spray heads 15 towards overflow groove 2, to detect the deionized water pH value of filter core after soaking in acid-alkali pool, overflow groove 2 one end is connected with the detection box 17 extending to the outside of shell 1, other end is connected with drain pipe 18, acid-alkali pool includes acid liquid pool 3 and lye pool 4, acid liquid pool 3 outside upper end is communicated with acid liquid inlet pipe 21, lower end is communicated with acid liquid outlet pipe 22, lye pool 4 outside upper end is communicated with lye inlet pipe 23, lower end is communicated with lye outlet pipe 24, to facilitate the deionized water introduction ultrasonic cleaning pool 5, ultrasonic cleaning pool 5 top is communicated with deionized water inlet pipe 27, overflow groove 2 bottom is fixedly connected with overflow nozzle 19.

[0024] It needs to be explained that the ultrasonic cleaning pool 5 in the utility model is an existing device, including ultrasonic generator, transducer, cleaning pool, cleaning liquid circulating system and other structures, the inner wall of the cleaning pool is fixedly connected with a vibration plate, and the outer side is fixedly connected with an ultrasonic generator; the vibration plate is connected with the ultrasonic generator, which can ensure that the filter core is cleaned in the effective circulation of deionized water and suitable temperature; the specific structure is not described in detail in the text.

[0025] It needs to be explained that the height of the overflow nozzle 19 in the utility model does not exceed the depth of the detection box 17; when the liquid in the overflow groove 2 is sampled in the detection box 17, the liquid cannot overflow; at the same time, the bottom of the detection box 17 is higher than the bottom of the overflow groove 2; when liquid sampling is not needed, the liquid that has not been discharged by the drain pipe 18 can be prevented from entering the detection box 17 to pollute the internal environment.

[0026] To facilitate taking out and putting in filter core, prevent mutual influence when each area operation, shell 1 front end is hinged with exit hatch, rear end is hinged with inlet hatch, first partition door 6, second partition door 7 and shell 1 are slidably connected.It needs to be explained that the first partition door 6 and the second partition door 7 in the utility model are translational sensing doors, mainly composed of main controller, sensing detector, power motor, door leaf running track, synchronous belt and other structures, which can realize the effect of non-contact control door opening and closing.

[0027] In order to realize the grabbing of the filter core, the grabbing device 9 comprises a displacement block 901, a telescopic cylinder 902 is fixedly connected to the upper end of the displacement block 901, and the output end of the telescopic cylinder 902 is fixedly connected with a gripper 903 penetrating through the displacement block 901 and the shell 1. It should be noted that the gripper 903 in the utility model is a prior art device, which comprises a T-shaped connecting shaft, a fixed plate, a shell, a connecting rod, a jaw, a connecting rod limiting block and the like, and the specific structure thereof will not be described in detail herein, the output end of the telescopic cylinder 902 is fixedly connected with the T-shaped connecting shaft of the gripper 903, and the opening and closing size of the jaw of the gripper 903 is matched with the size of the filter core.

[0028] In order to control the movement of the grabbing device 11, three vertical sliding grooves 10 extending from the rear end to the front end and parallel to each other are formed in the upper end of the shell 1, a horizontal sliding groove 11 communicating with the vertical sliding grooves 10 is arranged at the rear end of the vertical sliding grooves 10, the displacement block 901 is slidingly arranged in the vertical sliding grooves 10 and the horizontal sliding groove 11, the displacement block 901 is made of iron, a horizontal telescopic cylinder 12 is arranged at one end of the horizontal sliding groove 11, a vertical telescopic cylinder 13 is arranged at one end of the vertical sliding groove 10, and electromagnets are fixedly connected to the output ends of the horizontal telescopic cylinder 12 and the vertical telescopic cylinder 13.

[0029] In order to realize the side clamping of the filter core and the forward and backward movement of the clamping device 8, the clamping device 8 comprises a threaded block 802, the threaded block 802 is slidingly connected with the shell through a sliding groove 20, a bolt 801 penetrating through the threaded block 802 is screwedly connected in the threaded block 802, the bolt 801 is fixedly connected with a clamping plate 803 at one end of the screw rod and fixedly connected with a rotating disc at the other end, a translation telescopic cylinder 25 is fixedly connected at one end of the sliding groove 20, and the output end of the translation telescopic cylinder 25 is fixedly connected with the threaded block 802.

[0030] In order to facilitate the replacement of the high-pressure water pipe 16 and the discharge of the liquid in the overflow tank 2, snap rings 16 are symmetrically arranged at the upper end of the overflow tank 2, and the high-pressure water pipe 14 is fixedly connected with the shell 1 through the snap rings 16.

[0031] In order to enhance the soaking effect of the filter core, heating wires 28 are fixedly connected to the bottoms of the acid liquid tank 3 and the alkali liquid tank 4.

[0032] The working process of the embodiment is as follows:

[0033] In the cleaning of metal powder sintered filter, first from the entrance hatch to be cleaned filter placed between the two clamping plate 803, inside the bolt 801, so that the clamping plate 803 clamping filter, then through the high pressure nozzle 15 using deionized water on the filter washing, washing water flow direction and the flow direction of the filter when normal use is opposite, when washing, sewage pump from the drain pipe 18 to pump out, avoid overflow tank 2 inside the sewage accumulation pollution detection box 17, after washing, telescopic cylinder 902 output end down, the jaws of the gripper 903 hook filter, telescopic cylinder 902 output end up in the process, T-shaped connecting shaft is subjected to upward tension and the gravity of the filter below, so that the inside connecting rod retraction, so as to realize the jaws of the filter gripper, through the acid liquid inlet pipe 21, lye inlet pipe 23 in the acid liquid pool 3, lye pool 4 respectively into the prepared acid and lye, the solenoid of the vertical telescopic cylinder 13 output end, control displacement block 901 to the vertical slot 10 and horizontal slot 11 intersection, at the same time through the control of translation telescopic cylinder 25 drive clamping device 8 to the front end of the shell 1, loosen the clamping device 8, through the control of horizontal telescopic cylinder 12 and its output end of the solenoid control displacement block 901 to the top of the acid liquid pool 3 or lye pool 4, control telescopic cylinder 902 down, gripper 903 will be immersed in the filter acid liquid pool 3 or lye pool 4, heating wire 28 makes the acid liquid pool 3, lye pool 4 liquid to keep at a certain temperature, after soaking, filter back to the overflow tank 2 above for washing, the drain pump stop from the overflow tank 2 extraction of liquid, when the overflow tank 2 water level is higher than the overflow nozzle 19, the liquid through the overflow nozzle 19 from the overflow tank 2, so that the overflow tank 2 liquid surface to maintain a certain height, a part of the liquid in the overflow tank 2 into the detection box 18, through the pH meter to determine the acidity and alkalinity of the solution, until the pH value of the liquid in the detection box 18 is 7, stop, then through the gripper device 11 to the filter into the ultrasonic cleaning tank 5, using deionized ultrasonic cleaning of filter, after cleaning the filter is dried.

Claims

1. A coal tar filter cleaning device comprising a housing (1), characterised in that: The bottom rear end of the shell (1) is provided with an overflow groove (2), the middle is provided with an acid-base pool, and the front end is provided with an ultrasonic cleaning pool (5), a first partition door (6) is arranged between the overflow groove (2) and the acid-base pool, a second partition door (7) is arranged between the acid-base pool and the ultrasonic cleaning pool (5), and the shell (1) is symmetrically provided with a sliding groove (20) on both sides, the sliding groove (20) is slidably connected with a clamping device (8), the shell (1) is slidably connected with a grabbing device (9) at the upper end, the overflow groove (2) is fixedly connected with a high-pressure water pipe (14) above, the lower end of the high-pressure water pipe (14) is fixedly connected with a plurality of high-pressure nozzles (15) facing the overflow groove (2), one end of the overflow groove (2) is communicated with a detection box (17) extending to the outside of the shell (1), and the other end is communicated with a drain pipe (18), the acid-base pool comprises an acid liquid pool (3) and an alkali liquid pool (4), the upper end of the outer side of the acid liquid pool (3) is communicated with an acid liquid inlet pipe (21), and the lower end is communicated with an acid liquid outlet pipe (22), the upper end of the outer side of the alkali liquid pool (4) is communicated with an alkali liquid inlet pipe (23), and the lower end is communicated with an alkali liquid outlet pipe (24), the ultrasonic cleaning pool (5) is communicated with a deionized water inlet pipe (26) above, and the bottom of the overflow groove (2) is fixedly connected with an overflow nozzle (19).

2. The coal-tar filter cleaning device of claim 1, wherein: The front end of the shell (1) is hingedly connected with an outlet hatch, and the rear end is hingedly connected with an inlet hatch, the first partition door (6) and the second partition door (7) are slidably connected with the shell (1).

3. The coal-tar filter cleaning device of claim 1, wherein: The grabbing device (9) comprises a displacement block (901), the upper end of the displacement block (901) is fixedly connected with a telescopic cylinder (902), and the output end of the telescopic cylinder (902) penetrates the displacement block (901), the shell (1) and the gripper (903) and is fixedly connected.

4. The coal-tar filter cleaning device of claim 3, wherein: The upper end of the shell (1) is provided with three vertical sliding grooves (10) extending from the rear end to the front end and parallel to each other, the rear end of the vertical sliding groove (10) is provided with a horizontal sliding groove (11) communicating with the vertical sliding groove (10), the displacement block (901) is slidably arranged in the vertical sliding groove (10) and the horizontal sliding groove (11), the displacement block (901) is made of iron material, one end of the horizontal sliding groove (11) is provided with a horizontal telescopic cylinder (12), one end of the vertical sliding groove (10) is provided with a vertical telescopic cylinder (13), and the output ends of the horizontal telescopic cylinder (12) and the vertical telescopic cylinder (13) are fixedly connected with electromagnets.

5. The coal-tar filter cleaning device of claim 1, wherein: The clamping device (8) comprises a threaded block (802), the threaded block (802) is slidably connected with the shell through the sliding groove (20), a bolt (801) penetrating the threaded block (802) is threadedly connected in the threaded block (802), one end of the screw rod of the bolt (801) is fixedly connected with a clamping plate (803), the other end is fixedly connected with a rotating disc, one end of the sliding groove (20) is fixedly connected with a translation telescopic cylinder (25), and the output end of the translation telescopic cylinder (25) is fixedly connected with the threaded block (802).

6. The coal-tar filter cleaning device of claim 1, wherein: The upper end of the overflow tank (2) is symmetrically provided with a snap ring (16), and the high-pressure water pipe (14) is fixedly connected with the shell (1) through the snap ring (16).

7. The coal-tar filter cleaning device of claim 1, wherein: The acid liquid tank (3) and the alkali liquid tank (4) are fixedly connected with heating wires (27) at the bottom.

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