A sewage drying sludge discharge device for a coal chemical production line

Abstract

The application discloses a sewage drying and sludge discharging device for a coal chemical production line, and relates to the technical field of coal production sewage treatment, which comprises a sedimentation tank and a drain pipe, a heating round-bottom cylinder is arranged at the bottom of the sedimentation tank in a matched mode, and an electric heating plate is arranged on the inner wall of the heating round-bottom cylinder; further comprising hollow separation guide plates, a linkage switch and a rotary crushing and sludge discharging mechanism. The two hollow separation guide plates are controlled to slide and butt joint to the inside, so that the sedimentation tank and the heating round-bottom cylinder are completely separated, thereby realizing the preliminary separation of sewage and coal sludge; when the hollow separation guide plates butt joint together, the water inlet is automatically opened, so that the upper layer of sewage can enter the hollow separation guide plates through the water inlet, thereby realizing the automatic discharge of the sewage; since the upper and lower layers of space are completely separated, the flowing sewage is prevented from taking away the deposited coal sludge; and after the sewage is discharged, the liquid level sensor is used to realize the automatic drying of the sludge.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal production sewage treatment, in particular to a sewage drying and sludge discharging device for coal chemical production line. BACKGROUND

[0002] Coal needs to be washed in the process of coal production, so that sewage or waste water is discharged, which contains coal fragments or impurities, forming coal slurry, which needs to be treated.

[0003] When the sewage generated by the existing coal chemical production line is treated, the sewage needs to be sequentially introduced into each sewage treatment tank, and then the corresponding precipitation or flocculation reagent is added for treatment, so that the coal fragments or impurities in the sewage are aggregated and precipitated, the sewage and the coal slurry are layered, and then the sewage is pumped away and the coal slurry is taken out and sent to an electric baking device for heating treatment, so that the water in the coal slurry evaporates, the coal slurry is dried, and finally discharged for subsequent treatment.

[0004] The existing coal chemical production line sewage coal slurry treatment has the following deficiencies: although the water and the coal slurry in the sewage can be layered and then separated for treatment in the prior art, after the water and the coal slurry are layered, the upper layer of water is generally directly pumped by a water pump, although the water and the coal slurry are layered, they are still in the same space, and the water flow can easily carry away the coal slurry during the pumping process, resulting in incomplete treatment of the coal slurry, and after the coal slurry is separated, it needs to be transferred to the corresponding device for heating, so that the residual water evaporates and the coal slurry is dried, and when the coal slurry is sent to the heating device for drying, it is also easy to form a bottomed block, which can easily cover and adhere to the heating element, affecting the drying effect, and after drying, it still needs to be transferred to the corresponding crushing device for crushing, and finally discharged, the whole process is complicated and not convenient, and the treatment effect is not good. SUMMARY

[0005] The present application aims to provide a sewage drying and sludge discharging device for coal chemical production line to solve the technical problem of complicated treatment process, inconvenience and poor treatment effect of the sewage of the coal chemical production line in the prior art.

[0006] The technical problem solved by the present application can be achieved by the following technical scheme:

[0007] A sewage drying and sludge discharging device for coal chemical production line, comprising a sedimentation tank and a drain pipe, a heating round-bottom cylinder is arranged at the bottom of the sedimentation tank, and an electric heating plate is embedded on the inner wall of the heating round-bottom cylinder; further comprising:

[0008] Two hollow partition guide plates are arranged and slid through the bottom of the sediment tank, the outer wall of the sediment tank is provided with a transverse driving mechanism matched with the hollow partition guide plate; one end of the two hollow partition guide plates inside the sediment tank is provided with a water inlet, and the other end is connected with a corrugated expansion pipe, and the corrugated expansion pipe is connected with the corresponding drain pipe in a matched mode;

[0009] Two linkage switch elements are arranged and matched with the corresponding hollow partition guide plate, and the water inlet of the hollow partition guide plate is matched with the corresponding linkage switch element.

[0010] A rotary crushing and discharging mechanism is arranged in the heating round bottom cylinder.

[0011] As a further scheme of the present application, the two linkage switch elements each include a right-angle sliding block, an inclined rod and a blocking plate, one end of the two hollow partition guide plates inside the sediment tank is provided with a strip-shaped sliding groove, the right-angle sliding block is slidably connected with the strip-shaped sliding groove, and a limiting spring is arranged between the right-angle sliding block and the corresponding strip-shaped sliding groove, the two blocking plates are arranged on the corresponding water inlets in a matched mode, and the blocking plate is fixedly connected with the right-angle sliding block, one end of the two hollow partition guide plates inside the sediment tank is movably connected with the inclined rod through a rebound hinge, the inclined rod of one linkage switch element is matched with the right-angle sliding block of the other linkage switch element, and the lower edge of one end of the two hollow partition guide plates inside the sediment tank is fixedly connected with an extension lug plate.

[0012] As a further scheme of the present application, the bottom of the two hollow partition guide plates is provided with a plurality of one-way exhaust holes, one side of each one-way exhaust hole close to the hollow partition guide plate is attached with a one-way valve plate, and one end of the one-way valve plate is movably connected with the inner wall of the hollow partition guide plate through a rebound hinge.

[0013] As a further scheme of the present application, one end of the drain pipe close to the corrugated expansion pipe is fixedly connected with a condenser pipe, and the drain pipe is connected with the corrugated expansion pipe through the condenser pipe.

[0014] As a further scheme of the present application, the rotary crushing and discharging mechanism includes a driving motor and a rotary crushing and scraping element, the driving motor is fixedly connected with the bottom of the heating round bottom cylinder, the rotary crushing and scraping element is connected with the main shaft of the driving motor, and the rotary crushing and scraping element is matched with the inside of the heating round bottom cylinder, a liquid level sensor is installed on the inner wall close to the top of the sediment tank, and the driving motor and the electric heating plate are electrically connected with the liquid level sensor.

[0015] As a further scheme of the present application: the rotating crushing scraping piece comprises a scraper group, a reciprocating screw rod and a rolling linkage mechanism, the scraper group is matched with the inner wall of the heating round-bottom cylinder, and the scraper group is fixedly connected with the main shaft of the driving motor, one end of the scraper group close to the driving motor is fixedly provided with a support, one end of the reciprocating screw rod is rotatably connected with the support, a connecting sliding block is matched and connected on the reciprocating screw rod, cutting blades are vertically and fixedly connected on the upper side and the lower side of the connecting sliding block, and the cutting blades are also slidably matched with the scraper group, and the rolling linkage mechanism is matched and arranged between the heating round-bottom cylinder and the reciprocating screw rod.

[0016] As a further scheme of the present application: the scraper group comprises a horizontal scraper and a vertical scraper, the horizontal scraper is attached to the inner bottom surface of the heating round-bottom cylinder, and one end of the horizontal scraper is fixedly connected with the main shaft end of the driving motor, the vertical scraper is fixedly connected with the other end of the horizontal scraper, and the vertical scraper is attached with the inner side wall of the heating round-bottom cylinder, and a connecting sliding groove is horizontally arranged on the horizontal scraper, and the cutting blades are slidably connected with the connecting sliding groove.

[0017] As a further scheme of the present application: the rolling linkage mechanism comprises a roller and an axle bracket, the axle bracket is fixedly connected with the vertical scraper, a connecting shaft is vertically rotatably connected with the axle bracket, one end of the connecting shaft away from the reciprocating screw rod is fixedly connected with the roller, and the other end is coaxially connected with a first steering helical gear, one end of the reciprocating screw rod close to the roller is coaxially connected with a second steering helical gear meshing with the first steering helical gear, and the roller is matched with the inner wall of the heating round-bottom cylinder.

[0018] As a further scheme of the present application: a mud discharging port is arranged on one side of the bottom of the heating round-bottom cylinder, and a sealing door is matched and arranged in the mud discharging port, an electric telescopic rod is fixedly connected with the outer wall of the heating round-bottom cylinder, and the telescopic end of the electric telescopic rod is connected with the sealing door.

[0019] As a further scheme of the present application: the horizontal driving mechanism comprises electric push rods and linkage rods, the electric push rods and the linkage rods are both provided with two, the two electric push rods are fixedly connected with the outer walls on both sides of the sedimentation tank, one end of each of the two linkage rods is hingedly connected with the telescopic end of the corresponding electric push rod, and the other end is hingedly connected with the corresponding hollow partition guide plate.

[0020] The present application has the following beneficial effects:

[0021] 1. The initial state of the sediment tank and the heating round bottom cylinder are communicated with each other, which is convenient for coal-containing sewage sedimentation and coal slurry sedimentation to the heating round bottom cylinder in the bottom layer, while the sewage is in the upper layer of the sediment tank, at this time, the two hollow separation guide plates are controlled to slide and butt joint to the inside, so that the sediment tank and the heating round bottom cylinder are completely separated, thereby realizing the preliminary separation of sewage and coal slurry, and when the hollow separation guide plates butt joint, the inclined jacks and right angle sliding blocks are pressed and linked, so that the blocking plate on the hollow separation guide plate slides away from the water inlet, the water inlet is automatically opened, the upper layer of sewage enters the hollow separation guide plate through the water inlet, and the sewage is automatically discharged, and because the upper and lower layers are completely separated, the sedimented coal slurry is prevented from being taken away by the flowing sewage, and after the sewage is discharged, the liquid level sensor feedback control signal controls the electric heating plate to operate, and the separated coal slurry is heated and dried, that is, the sewage and coal slurry are effectively and automatically separated, and the dried slurry is automatically treated, which is convenient for subsequent treatment.

[0022] 2. When the hollow separation guide plate is separated between the sediment tank and the heating round bottom cylinder, the electric heating plate in the heating round bottom cylinder can directly heat and dry the coal slurry, and the transpiration water vapor generated in the heating process can be discharged to the hollow separation guide plate through the one-way exhaust hole distributed at the bottom of the hollow separation guide plate, and then effectively guided away, without the need for separate treatment of the evaporated sewage vapor.

[0023] 3. When the liquid level sensor feedback control signal controls the electric heating plate to operate after the sewage is discharged, the liquid level sensor also feedbacks the control signal to control the driving motor to operate, the driving motor drives the scraper group to push and scrape the inner wall of the heating round bottom cylinder, avoids that the dried slurry covers and sticks to the electric heating plate, and affects the heating operation, at the same time, the roller rolls along the inner wall of the heating round bottom cylinder with the driving motor driving the scraper group to rotate, thereby linking the rotation of the reciprocating screw rod, the cutting piece on the reciprocating screw rod reciprocates and moves transversely, and also makes a circular motion, which is convenient for cutting the dried slurry, so that the dried and cut slurry is effectively discharged through the sludge discharge port. BRIEF DESCRIPTION OF DRAWINGS

[0024] The application will be further described below in combination with the drawings.

[0025] Figure 1 is the overall structure schematic diagram of the application;

[0026] Figure 2 is Figure 1 is the enlarged structure schematic diagram of A in the application;

[0027] Figure 3 is the right view structure schematic diagram of the right angle sliding block, the inclined jack and the hollow separation guide plate in the application;

[0028] Figure 4is a top view schematic diagram of the interaction between the inclined top rod and the corresponding right-angle sliding block when two hollow partition guide plates in the application are spliced together.

[0029] Figure 5 is Figure 1 is an enlarged structural schematic diagram at B in the middle.

[0030] Figure 6 is Figure 1 is an enlarged structural schematic diagram at C in the middle.

[0031] Figure 7 is a top view structural schematic diagram of the heating round-bottom cylinder in the application.

[0032] Figure 8 is Figure 7 is an enlarged structural schematic diagram at D in the middle.

[0033] In the figure: 1, sedimentation tank; 2, heating round-bottom cylinder; 3, electric push rod; 4, liquid level sensor; 5, linkage rod; 6, hollow partition guide plate; 7, corrugated expansion pipe; 8, condenser pipe; 9, drain pipe; 10, driving motor; 11, electric telescopic rod; 12, blocking door; 13, electric heating plate; 14, water inlet; 15, blocking plate; 16, right-angle sliding block; 17, extension tab; 18, inclined top rod; 19, strip-shaped sliding groove; 20, limit spring; 21, one-way exhaust hole; 22, one-way valve piece; 23, roller; 24, shaft support; 25, first steering helical gear; 26, second steering helical gear; 27, reciprocating screw rod; 28, connecting sliding groove; 29, horizontal scraping plate; 30, vertical scraping plate; 31, connecting sliding block; 32, cutting piece; 33, support. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0035] As Figures 1-8As shown, a sewage drying sludge discharge device for a coal chemical production line comprises a sedimentation tank 1 and a drain pipe 9, and a heating round-bottom cylinder 2 is arranged at the bottom of the sedimentation tank 1 in a matching manner. The heating round-bottom cylinder 2 and the sedimentation tank 1 are an integrated structure, and the internal spaces of the two are connected. An electric heating plate 13 is embedded on the inner wall of the heating round-bottom cylinder 2. The electric heating plate 13 is composed of a heat-conducting metal and an electric heating element distributed in the heat-conducting metal, and the longitudinal side wall and the horizontal bottom surface of the heating round-bottom cylinder 2 are both distributed with the electric heating plate 13. When sewage generated in the process of coal production needs to be treated, the sewage containing coal is introduced into the sedimentation tank 1, and a flocculating agent or a precipitating agent is mixed, so that the coal fragments in the sewage are aggregated together, thereby facilitating the sedimentation into the heating round-bottom cylinder 2. Thus, the sewage and the coal slurry are finally separated into layers. It should be noted that the internal capacity of the sedimentation tank 1 is greater than the capacity of the heating round-bottom cylinder 2, and the capacities of the sedimentation tank 1 and the heating round-bottom cylinder 2 can be designed according to the space occupied by the daily water and coal slurry separation to ensure that the coal slurry is mainly in the heating round-bottom cylinder 2 after separation, and the water is mainly in the sedimentation tank 1. The drain pipe 9 is provided with two drain pipes, which are respectively fixed on the two sides of the heating round-bottom cylinder 2. The drain pipe 9 is used to discharge the separated sewage.

[0036] The device further comprises hollow separation guide plates 6, linkage switch parts and a rotary crushing sludge discharge mechanism. The hollow separation guide plates 6 are provided with two hollow separation guide plates, which are respectively slidably inserted into the bottom of the sedimentation tank 1. The hollow separation guide plates 6 penetrate the side wall of the sedimentation tank 1, and a rubber sealing ring is arranged at the penetration position to ensure sealing and prevent leakage. A horizontal driving mechanism is arranged on the outer wall of the sedimentation tank 1 and connected with the hollow separation guide plates 6. When the coal-containing sewage is deposited for a certain period of time or the sewage and the coal slurry are completely separated into layers, the two hollow separation guide plates 6 are horizontally slid to the inside of the bottom of the sedimentation tank 1 by the horizontal driving mechanism, so that the sedimentation tank 1 and the heating round-bottom cylinder 2 are separated. Since the coal slurry is mainly in the heating round-bottom cylinder 2, the separated water and the coal slurry can be preliminarily separated.

[0037] One end of each of the two hollow separation guide plates 6 inside the sedimentation tank 1 is provided with an upward water inlet 14, and the other end is connected with a corrugated expansion pipe 7, which is connected with the corresponding drain pipe 9.

[0038] The linkage switch parts are provided with two groups of linkage switch parts, which are respectively connected with the corresponding hollow separation guide plates 6. The water inlet 14 on the hollow separation guide plate 6 is matched with the corresponding linkage switch part, and the two groups of linkage switch parts are distributed in a central symmetry manner.

[0039] The rotating crushing and discharging mechanism is arranged in the heating round-bottom cylinder 2, and comprises a driving motor 10 and a rotating crushing scraper. The driving motor 10 is fixedly connected to the bottom of the heating round-bottom cylinder 2, and the main shaft of the driving motor 10 vertically penetrates into the heating round-bottom cylinder 2. The rotating crushing scraper is connected to the main shaft of the driving motor 10 and cooperates with the inside of the heating round-bottom cylinder 2. The liquid level sensor 4 is arranged on the inner wall near the top of the sediment tank 1. The driving motor 10 and the electric heating plate 13 are electrically connected with the liquid level sensor 4.

[0040] When the sewage and the coal slurry are layered in the internal space formed by the sediment tank 1 and the heating round-bottom cylinder 2, the two hollow partition guide plates 6 are driven by the horizontal driving mechanism to move horizontally and abut against each other. When the end portions of the two hollow partition guide plates 6 abut against each other, the space for the coal slurry and the space for the sewage are separated. At the same time, after the two hollow partition guide plates 6 abut against each other, the linkage switch is extruded and disengaged from the corresponding water inlet 14, so that the water inlet 14 is opened. In this way, the upper sewage can flow into the hollow partition guide plate 6 through the water inlet 14 and then directly flow away through the hollow partition guide plate 6, and finally flow into the drain pipe 9 through the corrugated expansion pipe 7, so as to realize sewage discharge. In this process, the deposited coal slurry is in the lower space of the hollow partition guide plate 6 and is not affected by the sewage discharge. When the liquid level sensor 4 detects that the sewage liquid surface drops below the set value, i.e., after the sewage in the upper space of the hollow partition guide plate 6 is discharged, the liquid level sensor 4 generates feedback, so that the electric heating plate 13 is powered and heated, and the driving motor 10 is also operated. The electric heating plate 13 is powered and heated, which facilitates heating of the wet coal slurry in the heating round-bottom cylinder 2, so that the water is evaporated, thereby facilitating drying of the coal slurry. At the same time, the driving motor 10 drives the rotating crushing scraper to rotate, so as to act on the coal slurry, avoid covering of the electric heating plate 13 by the coal slurry during the drying process, and affect the heating and drying effect. At the same time, the linkage switch facilitates breaking of the dried coal slurry, which facilitates subsequent discharge.

[0041] In some specific embodiments, in order to ensure that the linkage switch can open the corresponding water inlet 14 when the two hollow partition guide plates 6 are horizontally moved and abutted together, the linkage switch is arranged on the end portion of the hollow partition guide plate 6, and the linkage switch is arranged on the end portion of the hollow partition guide plate 6. Figures 2 to 4As shown, the two sets of linkage switch parts each include a right-angle slider 16, an inclined top rod 18 and a blocking plate 15, one end of each of the two hollow partition guide plates 6 inside the sediment tank 1 is provided with a strip-shaped sliding groove 19, the right-angle slider 16 is slidingly connected with the strip-shaped sliding groove 19, and a limiting spring 20 is connected between the right-angle slider 16 and the corresponding strip-shaped sliding groove 19, the two blocking plates 15 are respectively arranged on the corresponding water inlets 14, and the blocking plate 15 is fixedly connected with the right-angle slider 16 through a rod body; one end of each of the two hollow partition guide plates 6 inside the sediment tank 1 is movably connected with the inclined top rod 18 through a rebound hinge, the inclined top rod 18 of one set of linkage switch parts cooperates with the right-angle slider 16 of the other set of linkage switch parts; the lower edge of one end of each of the two hollow partition guide plates 6 inside the sediment tank 1 is fixedly connected with an extension tab 17, and the width of the extension tab 17 is greater than the width of the right-angle slider 16.

[0042] As shown in Figure 4 When the two hollow partition guide plates 6 are slidingly butted together, the end extension tabs 17 are spliced together, ensuring that the upper and lower spaces are effectively separated, while also avoiding mutual contact and interference of the two right-angle sliders 16, and in this process, the inclined top rod 18 on one hollow partition guide plate 6 just presses against the corresponding right-angle slider 16 of the other hollow partition guide plate 6, causing the corresponding right-angle slider 16 to slide along the corresponding strip-shaped sliding groove 19, so that the right-angle slider 16 drives the corresponding blocking plate 15 to slide away from the corresponding water inlet 14, achieving automatic opening of the water inlet 14.

[0043] In some specific embodiments, after the hollow partition guide plates 6 block the upper layer of the heating round-bottom cylinder 2, in order to ensure that the evaporated water vapor is discharged during the heating process, the bottom of each of the two hollow partition guide plates 6 is provided with a plurality of one-way exhaust holes 21, one side of each one-way exhaust hole 21 close to the hollow partition guide plate 6 is attached with a one-way valve plate 22, and one end of the one-way valve plate 22 is movably connected with the inner wall of the hollow partition guide plate 6 through a rebound hinge, the one-way valve plate 22 can only rotate to open to the inside of the hollow partition guide plate 6, and cannot rotate to open to the outside of the one-way exhaust hole 21, so when the internal pressure of the heating round-bottom cylinder 2 rises due to heating, the water vapor transpires, which facilitates the one-way valve plate 22 to be pushed open, enter the hollow partition guide plate 6, and then be transported away, and the hollow partition guide plate 6 is supplied with water through the water inlet 14, and when the water is transported, the one-way valve plate 22 can also close the one-way exhaust hole 21, avoiding water leakage downward.

[0044] In some specific embodiments, in order to facilitate the liquefied water vapor to be collected in the drain pipe 9, the drain pipe 9 is fixedly connected with a condensing pipe 8 close to one end of the corrugated expansion pipe 7, and the drain pipe 9 communicates with the corrugated expansion pipe 7 through the condensing pipe 8, and the condensed and liquefied water vapor is treated by the condensing pipe 8, facilitating recycling.

[0045] In some specific implementation schemes, in order to facilitate the effective crushing of the heated and dried coal slime, and to prevent the coal slime from clumping together and affecting the use of the heating plate 13 during the drying process, such as... Figures 6 to 8 As shown, the rotary crushing scraper includes a scraper assembly, a reciprocating screw 27, and a rolling linkage mechanism. The scraper assembly cooperates with the inner wall of the heating cylindrical cylinder 2, and is fixedly connected to the main shaft of the drive motor 10. A bracket 33 is fixedly installed at one end of the scraper assembly near the drive motor 10, and the axis of the bracket 33 coincides with the axis of the main shaft of the drive motor 10. One end of the reciprocating screw 27 is rotatably connected to the bracket 33, and the reciprocating screw 27 rotates relative to the bracket 33. A connecting slider 31 is connected to the reciprocating screw 27. The upper and lower sides of block 31 are vertically fixed with cutting blades 32, and the cutting blades 32 are also slidably engaged with the scraper assembly. It should be noted that the reciprocating screw 27 has two threaded grooves with the same pitch and opposite directions, and the two ends are connected by transition curves. In this way, when the reciprocating screw 27 rotates, the connecting slider 31 drives the cutting blades 32 to reciprocate. There is no need for the reciprocating screw 27 to change the direction of rotation, only to maintain a fixed direction of rotation. The rolling linkage mechanism is set between the heating round bottom cylinder 2 and the reciprocating screw 27.

[0046] The scraper assembly includes a horizontal scraper 29 and a vertical scraper 30. The horizontal scraper 29 is attached to the inner bottom surface of the heating cylindrical cylinder 2, and one end of the horizontal scraper 29 is fixedly connected to the main shaft end of the drive motor 10. The vertical scraper 30 is vertically fixedly connected to the other end of the horizontal scraper 29, and the vertical scraper 30 is attached to the inner side wall of the heating cylindrical cylinder 2. Thus, when the drive motor 10 drives the scraper assembly to rotate as a whole, the horizontal scraper 29 scrapes the inner bottom surface of the heating cylindrical cylinder 2, and the vertical scraper 30 scrapes the inner side wall of the heating cylindrical cylinder 2, preventing the coal slime from solidifying and sticking to the heating plate 13, thus affecting its heating operation. A connecting groove 28 is provided horizontally on the horizontal scraper 29, and the cutting blade 32 is slidably connected to the connecting groove 28. Since the connecting groove 28 and the cutting blade 32 slide, the rotation of the cutting blade 32 and the connecting slider 31 is restricted, which facilitates the reciprocating movement of the connecting slider 31 during the rotation of the reciprocating screw 27.

[0047] The rolling linkage mechanism comprises a roller 23 and an axle bracket 24, the axle bracket 24 is fixedly connected to the vertical scraper 30, a connecting shaft is vertically rotatably connected to the axle bracket 24, one end of the connecting shaft away from the reciprocating lead screw 27 is fixedly connected to the roller 23, the other end of the connecting shaft coaxially connected to the first steering helical gear 25, the reciprocating lead screw 27 coaxially connected to the second steering helical gear 26 meshing with the first steering helical gear 25 at the end close to the roller 23, and the roller 23 abuts against the inner wall of the heating round bottom cylinder 2. When the horizontal scraper 29 and the vertical scraper 30 are rotated by the driving motor 10, the roller 23 moves and rolls along the inner wall of the heating round bottom cylinder 2, the roller 23 drives the first steering helical gear 25 to rotate in the process, the first steering helical gear 25 drives the second steering helical gear 26 to rotate, and the second steering helical gear 26 drives the reciprocating lead screw 27 to rotate, so that the connecting sliding block 31 drives the cutting blade 32 to move transversely, and the cutting blade 32 also rotates with the scraper group around the main shaft of the driving motor 10, so that the dried coal slime is broken in all directions.

[0048] In some specific embodiments, a mud discharge port is formed on one side of the bottom of the heating round bottom cylinder 2, and a blocking door 12 is arranged in the mud discharge port. The upper surface of the blocking door 12 is flush with the inner bottom surface of the heating round bottom cylinder 2. An electric telescopic rod 11 is fixedly connected to the outside of the heating round bottom cylinder 2, and the telescopic end of the electric telescopic rod 11 is connected to the blocking door 12. When the dried and broken coal slime needs to be discharged, the electric telescopic rod 11 is controlled to drive the blocking door 12 to open downward, and the scraper group is kept rotating by the driving motor 10. In this way, the scraper group pushes the dried coal slime to be discharged from the mud discharge port.

[0049] In some specific embodiments, the horizontal driving mechanism comprises two electric push rods 3 and two linkage rods 5. The two electric push rods 3 are fixedly connected to the two side outer walls of the sedimentation tank 1, respectively. One end of each linkage rod 5 is hingedly connected to the telescopic end of the corresponding electric push rod 3, and the other end of each linkage rod 5 is hingedly connected to the corresponding hollow partition guide plate 6. When the two hollow partition guide plates 6 need to be moved horizontally, the electric push rods 3 are controlled to be telescoped, and the hollow partition guide plates 6 are driven by the linkage rods 5 to slide horizontally.

[0050] In order to facilitate the understanding of the embodiment of the present scheme by those skilled in the art, the working principle of the present scheme will be briefly described in combination with a specific application scenario:

[0051] First, the sewage containing coal is introduced into the sedimentation tank 1, and a flocculating agent or a precipitating agent is mixed to make the coal fragments in the sewage aggregate together, so as to be precipitated into the heating round bottom cylinder 2, thereby realizing the separation of the sewage and the contained coal slime.

[0052] Then control the electric push rod 3 elongation, electric push rod 3 through linkage rod 5 drive hollow partition guide plate 6 to the inside of the sediment tank 1 transverse shift butt joint, when two hollow partition guide plate 6 end abut together, make the coal slime space and sewage space is separated apart;

[0053] At the same time in the process of two hollow partition guide plate 6 butt joint, the extension tab 17 of the end of hollow partition guide plate 6 splicing together, ensure the upper and lower space effective separation, also avoid two right angle slider 16 mutual contact interference, and in this process, the inclined jacks 18 on a hollow partition guide plate 6 just extruded butt another hollow partition guide plate 6 corresponding right angle slider 16, cause the corresponding right angle slider 16 along the corresponding strip slide groove 19 sliding, so the right angle slider 16 drive corresponding blocking plate 15 sliding away from the corresponding water inlet 14, realize the water inlet 14 automatic opening, so as to facilitate the upper layer of sewage through the water inlet 14 into the hollow partition guide plate 6, then through the hollow partition guide plate 6 directly flow away, eventually through the corrugated expansion pipe 7 into the drain pipe 9, realize the sewage discharge, and in this process, the sedimented coal slime in the lower space of hollow partition guide plate 6, will not be affected by the sewage discharge flow;

[0054] When the liquid level sensor 4 detects the sewage liquid surface drops below the set value, that is, the upper space of hollow partition guide plate 6 sewage emptying, the liquid level sensor 4 generates feedback, so that the electric heating plate 13 power heating, also make the drive motor 10 operation, electric heating plate 13 power heating, convenient for heating the wet coal slime in the heating round bottom cylinder 2, so that the water vaporization, thereby facilitate the coal slime drying, transpiration water vapor produced by water vaporization rely on a certain air pressure to open the check valve 22, into the hollow partition guide plate 6, eventually liquefied, also into the drain pipe 9 in the removal;

[0055] At the same time the drive motor 10 drive the whole group of scraper rotation, the horizontal scraper 29 in the scraper group is scraped in the heating round bottom cylinder 2 bottom, vertical scraper 30 is scraped in the heating round bottom cylinder 2 inner side wall, avoid the coal slime solidification bonding on the electric heating plate 13, affect its heating operation;

[0056] And in the drive motor 10 drive horizontal scraper 29 and vertical scraper 30 rotation, the roller 23 moves along with, and rolls along the inner wall of the heating round bottom cylinder 2, in this process, the roller 23 drive the first steering bevel gear 25 rotation, the first steering bevel gear 25 drive the second steering bevel gear 26 rotation, the second steering bevel gear 26 drive the reciprocating screw 27 rotation, so that the connection slider 31 drive the cutting piece 32 transverse reciprocating motion, at the same time, the cutting piece 32 also with the scraper group around the drive motor 10 main shaft do circular motion, so as to facilitate the all round coal slime drying broken;

[0057] When the drying and crushing reaches a certain time length, the control electric telescopic rod 11 drives the blocking door 12 to descend and open, and at the same time, the driving motor 10 drives the scraper group to rotate, so that the scraper group pushes the dried coal slime to be discharged from the sludge discharge port.

[0058] The above describes several embodiments of the present application in detail, but the embodiments of the present application are not limited to this, and cannot be considered to limit the implementation scope of the present application. Any equivalent changes and improvements made according to the scope of the present application should still belong to the patent coverage of the present application.

Claims

1. A sewage dewatering and sludge discharging device for coal chemical production line, comprising a sedimentation tank (1) and a drain pipe (9), a heating round-bottom cylinder (2) is arranged at the bottom of the sedimentation tank (1), and an electric heating plate (13) is embedded on the inner wall of the heating round-bottom cylinder (2); characterized in that, Also include: Two hollow partition guide plates (6) are arranged and slide through the bottom of the sediment tank (1), and the outer wall of the sediment tank (1) is provided with a transverse driving mechanism matched with the hollow partition guide plate (6); one end of the two hollow partition guide plates (6) inside the sediment tank (1) is provided with a water inlet (14), the other end is connected with a corrugated expansion pipe (7), and the corrugated expansion pipe (7) is matched with the corresponding drain pipe (9) in communication; Two groups of linkage switch parts are arranged and matched with the corresponding hollow partition guide plate (6), and the water inlet (14) on the hollow partition guide plate (6) is matched with the corresponding linkage switch part; A rotary crushing and mud discharging mechanism is arranged in the heating round bottom cylinder (2). The two groups of linkage switch parts each include a right angle sliding block (16), an inclined jack (18) and a blocking plate (15), one end of the two hollow partition guide plates (6) inside the sediment tank (1) is provided with a strip-shaped sliding groove (19), the right angle sliding block (16) is slidably connected with the strip-shaped sliding groove (19), and a limiting spring (20) is connected between the right angle sliding block (16) and the corresponding strip-shaped sliding groove (19), the two blocking plates (15) are respectively arranged on the corresponding water inlets (14), and the blocking plate (15) is fixedly connected with the right angle sliding block (16); one end of the two hollow partition guide plates (6) inside the sediment tank (1) is movably connected with the inclined jack (18) through a rebound hinge, and the inclined jack (18) of one group of linkage switch parts is matched with the right angle sliding block (16) of the other group of linkage switch parts; the lower edge of one end of the two hollow partition guide plates (6) inside the sediment tank (1) is fixedly connected with an extension lug (17); The bottom of the two hollow partition guide plates (6) is provided with a plurality of one-way exhaust holes (21), and the side of each one-way exhaust hole (21) close to the hollow partition guide plate (6) is provided with a one-way valve plate (22), and one end of the one-way valve plate (22) is movably connected with the inner wall of the hollow partition guide plate (6) through a rebound hinge; The rotary crushing and mud discharging mechanism includes a driving motor (10) and a rotary crushing and scraping part, the driving motor (10) is fixedly connected to the bottom of the heating round bottom cylinder (2), the rotary crushing and scraping part is connected to the main shaft of the driving motor (10), and the rotary crushing and scraping part is matched with the inside of the heating round bottom cylinder (2), a liquid level sensor (4) is installed on the inner wall close to the top of the sediment tank (1), and the driving motor (10) and the electric heating plate (13) are electrically connected with the liquid level sensor (4).

2. The sewage dewatering and sludge discharge device for a coal chemical production line according to claim 1, characterized in that, The end of the drain pipe (9) close to the corrugated expansion pipe (7) is fixedly connected with a condenser pipe (8), and the drain pipe (9) is communicated with the corrugated expansion pipe (7) through the condenser pipe (8).

3. The sewage dewatering and sludge discharge device for coal chemical production line according to claim 1, characterized in that, The rotating crushing scraper comprises a scraper group, a reciprocating wire rod (27) and a rolling linkage mechanism, the scraper group is matched with the inner wall of the heating round-bottom cylinder (2), and the scraper group is fixedly connected with the main shaft of the driving motor (10), one end of the scraper group is fixedly provided with a support (33), one end of the reciprocating wire rod (27) is rotatably connected with the support (33), a connecting sliding block (31) is matched and connected on the reciprocating wire rod (27), cutting blades (32) are vertically and fixedly connected on the upper side and the lower side of the connecting sliding block (31), and the cutting blades (32) are also slidably matched with the scraper group, and the rolling linkage mechanism is matched and arranged between the heating round-bottom cylinder (2) and the reciprocating wire rod (27).

4. The sewage dewatering and sludge discharge device for a coal chemical production line according to claim 3, characterized in that, The scraper group comprises a horizontal scraper (29) and a vertical scraper (30), the horizontal scraper (29) is attached to the inner bottom surface of the heating round-bottom cylinder (2), one end of the horizontal scraper (29) is fixedly connected with the main shaft end of the driving motor (10), the vertical scraper (30) is fixedly connected with the other end of the horizontal scraper (29), and the vertical scraper (30) is attached to the inner side wall of the heating round-bottom cylinder (2), and a connecting sliding groove (28) is horizontally formed on the horizontal scraper (29), and the cutting blades (32) are slidably connected with the connecting sliding groove (28).

5. The sewage dewatering and sludge discharge device for coal chemical production line according to claim 4, characterized in that, The rolling linkage mechanism comprises a roller (23) and an axle bracket (24), the axle bracket (24) is fixedly connected with the vertical scraper (30), a connecting shaft is vertically rotatably connected with the axle bracket (24), one end of the connecting shaft is fixedly connected with the roller (23), the other end of the connecting shaft is coaxially connected with a first steering helical gear (25), one end of the reciprocating wire rod (27) is coaxially connected with a second steering helical gear (26) which is engaged with the first steering helical gear (25), and the roller (23) is matched with the inner wall of the heating round-bottom cylinder (2).

6. The sewage dewatering and sludge discharge device for coal chemical production line according to claim 1, characterized in that, A mud discharge port is formed on one side of the bottom of the heating round-bottom cylinder (2), and a blocking door (12) is matched and arranged in the mud discharge port, an electric telescopic rod (11) is fixedly connected with the outside of the heating round-bottom cylinder (2), and the telescopic end of the electric telescopic rod (11) is connected with the blocking door (12).

7. The sewage dewatering and sludge discharge device for coal chemical production line according to claim 1, characterized in that, The horizontal driving mechanism comprises electric push rods (3) and linkage rods (5), the electric push rods (3) and the linkage rods (5) are both provided with two, the two electric push rods (3) are fixedly connected with the outer walls on the two sides of the sedimentation tank (1), one end of each of the two linkage rods (5) is hingedly connected with the telescopic end of the corresponding electric push rod (3), and the other end of each of the two linkage rods (5) is hingedly connected with the corresponding hollow partition guide plate (6).

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