A kind of tungsten mineral raw material roasting flue gas spray wastewater treatment system

Abstract

The application discloses a kind of tungsten mineral raw material roasting flue gas spray wastewater treatment systems, including settling tank, equipment room is equipped in the bottom side of settling tank, built-in bottom cleaning cylinder in equipment room, scraper of bottom cleaning cylinder output end can be pushed to the gate assembly of opposite side of box body, gate assembly connects the feed inlet of filter pressing mechanism, the tail of filter pressing mechanism with filter hole is matched with sludge discharge assembly, the inner chamber of filter pressing mechanism head is connected with circulating pump by rotary joint, circulating pump is connected with feed mechanism, the bottom plate of the folding seat in push liquid component is slidably connected to the top surface of bottom cleaning cylinder, folding seat vertical board through hole is connected with filter cartridge, filter cartridge is replaced by rotating table mechanism, and the two side box chambers separated by folding seat are connected by three-way mechanism;The system pushes wastewater through filter cartridge filtering by folding seat, then pushes the sediment at the bottom of the tank into filter pressing mechanism for filter pressing, after wastewater is reset by three-way mechanism, feed mechanism mixes filter pressing liquid with reagent and pours into settling tank for new settlement, with integrated, efficient, fully automatic characteristics.

Description

TECHNICAL FIELD

[0001] The present application relates to tungsten ore processing equipment technical field, specifically relates to a kind of tungsten ore raw material roasting flue gas spray wastewater treatment system. BACKGROUND

[0002] High-purity tungsten ore into pure tungsten compound preparation procedure generally does not need pretreatment, however, with the depletion of tungsten ore resources, more and more complex composition of tungsten ore, before decomposition operation is beneficial to the subsequent production of tungsten ore pretreatment. At present, the commonly used pretreatment method has roasting method, mainly in the decomposition of tungsten ore before entering a roasting, its purpose is to burn off the chemical reagent remaining in the gravity separation, flotation of tungsten ore, volatilize arsenic and sulfur-containing ore, improve the decomposition rate of tungsten ore, more important is to reduce the leaching rate of tin. Tungsten ore in the roasting process will produce a large amount of flue gas, these flue gas contains a large amount of SO2, As2O3 and other toxic gases, need to be sprayed by clean water to avoid pollution to the atmosphere, thus the spray wastewater also needs to be treated by a series of sedimentation before discharge. However, the traditional wastewater treatment system is large, needs multiple sedimentation tanks to cooperate, and needs to spend a lot of time to wait for the suspension to settle, the wastewater treatment efficiency is low, not suitable for small batch flue gas wastewater treatment, needs a new type of treatment equipment to solve the above problems. SUMMARY

[0003] To solve the above problems, the present application provides a kind of tungsten ore raw material roasting flue gas spray wastewater treatment system, including sedimentation tank, the bottom side of sedimentation tank is equipped with equipment room, and clean bottom air cylinder is built in equipment room, and the scraper of the output end of clean bottom air cylinder can be pushed to the gate assembly on the opposite side of box body, and the gate assembly is connected with the feed inlet of filter pressing mechanism, and the tail of filter pressing mechanism with filter hole is matched with sludge discharge assembly, and the inner cavity of the head of filter pressing mechanism is connected with circulating pump through rotary joint, and circulating pump is connected with feed mechanism, and the bottom plate of the folding seat of push liquid assembly is slidably connected on the top surface of clean bottom air cylinder, and the vertical plate through hole of folding seat is connected with filter cartridge, and filter cartridge is replaced by rotating table mechanism, and the two side box chambers separated by folding seat are connected by three-way mechanism.

[0004] Further, the rotating table mechanism includes a track seat mounted on the top surface of the equipment room, a translation motor mounted on one side of the track seat, an output shaft of the translation motor extending into a groove on the top surface of the track seat, a sliding block on the bottom of a base column slidably connected to the groove, the sliding block threadedly connected to the output shaft of the translation motor, a rotating table motor built in the base column, an output shaft of the rotating table motor vertically upwardly connected to the bottom surface of a rotating shaft, the rotating shaft top connected to the center of a cross joint, an interface column of the cross joint built in a filter cartridge motor, an outer spline of an output shaft of the filter cartridge motor cooperated with an inner spline in the center of a first end of the filter cartridge, and an electromagnet arranged in an inner ring of the interface column column wall cooperated with a metal plate at the first end of the filter cartridge.

[0005] Further, the liquid pushing assembly comprises a liquid pushing motor, which is installed on one side of the top of the settling tank, and an output shaft of the liquid pushing motor is rotatably connected to the other side of the settling tank. A shaft body of the output shaft is threadedly connected to a folding seat vertical plate. The vertical plate is attached to the inner wall of the settling tank on both sides. The bottom surface of the vertical plate is attached to the top surface of the scraper. A plurality of key grooves are formed in the inner side of the through hole of the vertical plate. The opening of one end of the key groove is towards the bottom plate. The filter cartridge body limiting key is inserted into the key groove from the opening and is fastened by rotating. A partition is arranged below the through hole. The partition is matched with the groove table on the side surface of the settling tank. A loading hole matched with the filter cartridge is formed above the groove table.

[0006] Further, the three-way mechanism comprises a three-way cylinder, which is installed on the back of the settling tank. The upper and lower connecting ports of the three-way cylinder are respectively connected to the bottom plate of the folding seat and the bottom surface of the settling tank. When the bottom plate is completely received in the equipment chamber, the folding seat vertical plate closes the upper connecting port. A valve block is vertically and slidably connected in the cylinder body of the three-way cylinder. The valve block is threadedly connected to the output shaft of a control motor. The control motor is installed on the top of the three-way cylinder. A liquid discharge port is arranged on one side of the lower connecting port. The liquid discharge port is connected to the input end of an emptying pump with a control valve. The output end of the emptying pump is connected to the adsorption filter cartridge.

[0007] Further, the gate plate assembly comprises a gate plate, which is vertically and slidably connected to the wall groove formed above the gate opening of the settling tank. The outer end surface of the gate plate is connected to the output end of a lifting cylinder. The lifting cylinder is installed on the outer side wall of the settling tank. When the gate plate falls down, the gate opening of the settling tank can be closed.

[0008] Further, the pressure filtration mechanism comprises a machine bottom shell, which is installed on the bottom surface of the settling tank. The cylindrical cavity wall surrounded by the machine bottom shell and the settling tank is rotatably connected to the spiral blade of the pressure material rotating cylinder. The head part of the machine bottom shell is connected to the gate plate assembly. The tail part of the machine bottom shell is connected to the sludge discharge assembly. The tail part of the pressure material rotating cylinder is threadedly connected to a leakage hole cap. The head part of the pressure material rotating cylinder is connected to the output end gear of a spinning motor through a gear ring after penetrating through the machine bottom shell. The spinning motor is installed on the bottom surface of the machine bottom shell.

[0009] Further, the sludge discharge assembly comprises a sludge collecting cover, which is openable and connectable to the pressure filtration mechanism. The top surface of the sludge collecting cover is slidably connected to the sliding rail on the bottom surface of the settling tank. The cover wall of the sludge collecting cover is embedded with an electric heating wire. A sludge pushing cylinder is arranged on the back side of the sludge collecting cover. The output end of the sludge pushing cylinder penetrates into the cover and is connected to a sludge pushing plate. The two side lugs of the sludge collecting cover are threadedly connected to driven shafts. The end gear of the driven shafts is engaged with the end gears of driving shafts. The driving shafts are rotatably connected to the transmission chamber on the bottom surface of the settling tank. The shaft body gear of the driving shafts is engaged with the output end gear of a sludge cover motor. The sludge cover motor is installed on the outside of the transmission chamber.

[0010] Further, the feeding mechanism comprises a mixing tank, which is installed on the top of the settling tank. The head end of the mixing tank is connected to a feeding pipe with a control valve. The pipe body of the feeding pipe is connected to the output pipe of a circulating pump. The tail end of the mixing tank is installed with a mixing motor. The spiral conveying shaft of the mixing motor penetrates into the mixing tank. A plurality of reagent tanks with control valves are installed on the top of the mixing tank. The bottom outlet of the mixing tank is provided with a gate valve.

[0011] Furthermore, a material collection tray is provided below the sludge discharge assembly. The inside of the material collection tray is divided into multiple sectors. The bottom center of the material collection tray is connected to the output end of the turntable motor, which is vertically embedded in the support column.

[0012] Furthermore, the filter cartridge has a built-in filter sleeve, with the inlet end of the filter sleeve inserted into the opening at the tail end of the filter cartridge. The inner diameter of the filter cartridge increases from the tail end to the head end, and several drainage holes are opened on the bottom side of the filter cartridge near the head end.

[0013] The beneficial effects of this invention are as follows: This invention uses a pusher motor to drive a folding seat to compress wastewater in the settling tank. After the wastewater passes through a filter cartridge to remove suspended particles, it enters a new chamber separated by the folding seat. A bottom-cleaning cylinder then pushes the sediment at the bottom of the tank into a pressure filter mechanism for filtration. The filtered wastewater is then pushed back into a three-way cylinder by the folding seat, and then returned to the original chamber from the three-way cylinder. The feeding mechanism then mixes the filtrate with reagents and adds it to the settling tank for a new round of settling. Once one type of precipitate has completely settled, the filter cartridge can be replaced via a rotating mechanism, thus avoiding the mixing of different precipitates. After all the wastewater has been treated, it is then pumped by an emptying pump into an adsorption filter cartridge for adsorption and discharge. This invention features integration, high efficiency, and full automation. Attached Figure Description

[0014] Figure 1 This is a front view schematic diagram of the structure during liquid dispensing according to the present invention;

[0015] Figure 2 This is a schematic diagram of the formal structure of the filter cylinder of the present invention when connected;

[0016] Figure 3 This is a top view of the structure of the present invention;

[0017] Figure 4 This is a schematic diagram of the left-side structure of the present invention;

[0018] Figure 5 This is a right-side structural cross-sectional view of the present invention;

[0019] Figure 6 for Figure 5 A magnified view of a portion of region A in the middle;

[0020] Figure 7 This is a top view of the material tray in this invention.

[0021] The reference signs are explained as follows: 1, settling tank; 101, equipment chamber; 102, groove table; 103, loading hole; 104, wall groove; 105, sliding rail; 106, transmission chamber; 2, bottom cleaning cylinder; 201, scraper; 3, material pressing rotary cylinder; 301, helical blade; 302, leakage hole cap; 303, gear ring; 4, rotary joint; 5, circulating pump; 6, folding seat; 601, key groove; 602, partition plate; 7, filter cylinder; 701, metal plate; 702, limiting key; 703, filter sleeve; 704, liquid discharge hole; 8, track seat; 801, groove; 9, translation motor; 10, base column; 11, rotary table motor; 12, rotating shaft; 13, cross joint; 14, filter cylinder motor; 15, electromagnet; 16, liquid pushing motor; 17, three-way cylinder; 1701, connecting port; 1702, liquid discharge port; 18, valve block; 19, control motor; 20, emptying pump; 21, adsorption filter cylinder; 22, gate plate; 23, lifting cylinder; 24, machine bottom shell; 2401, feeding hopper; 25, spinning motor; 26, mud collecting cover; 2601, ear seat; 27, electric heating wire; 28, mud pushing cylinder; 29, mud pushing plate; 30, driven shaft; 31, driving shaft; 32, mud cover motor; 33, mixing tank; 34, feeding pipe; 35, mixing motor; 36, reagent tank; 37, gate valve; 38, material containing disc; 39, rotating disc motor; 40, support column. DETAILED DESCRIPTION

[0022] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying opposite importance.

[0023] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] The present application will be further described below in conjunction with the drawings of the specification:

[0025] As Figures 1 to 7As shown, a kind of tungsten mineral raw material roasting flue gas spray wastewater treatment system, including settling tank 1, the bottom side of settling tank 1 is equipped with equipment room 101, and the built-in cleaning bottom air cylinder 2 in equipment room 101, the scraper 201 of the output end of cleaning bottom air cylinder 2 can be pushed to the gate assembly on the opposite side of box body, and the gate assembly includes gate 22, and the wall groove 104 vertically slidingly connected with the upper side of the gate 22 of settling tank 1 is opened, the outer end surface of gate 22 is connected with the output end of lifting air cylinder 23, and lifting air cylinder 23 is installed on the outside wall of settling tank 1, when gate 22 falls, the gate of settling tank 1 can be sealed.The gate is connected with the head feed hopper 2401 of the filter press mechanism in machine bottom shell 24, and machine bottom shell 24 is installed on the bottom surface of settling tank 1, and the cavity wall surrounded by machine bottom shell 24 and settling tank 1 is rotatably connected with the spiral blade 301 of pressure material rotary cylinder 3 barrel body, the tail of pressure material rotary cylinder 3 is threadedly connected with leakage hole cap 302, the barrel body of pressure material rotary cylinder 3 passes through gear ring 303 and is engaged with the gear of the output end of rotary pressure motor 25 after being inserted into machine bottom shell 24, and rotary pressure motor 25 is installed on the bottom surface of machine bottom shell 24.

[0026] In the embodiment, the tail of machine bottom shell 24 is open and can be connected with the opening of mud collecting cover 26 in sludge discharge assembly, the top surface of mud collecting cover 26 is slidingly connected with slide rail 105 on the bottom surface of settling tank 1, electric heating wire 27 is embedded in the cover wall of mud collecting cover 26, push mud air cylinder 28 is arranged on the back side of mud collecting cover 26, push mud plate 29 is connected with the output end of push mud air cylinder 28 by being inserted into the cover, driven shaft 30 is threadedly connected with the two side lug seats 2601 of mud collecting cover 26, the gear on the end of driven shaft 30 is engaged with the gears on the two ends of driving shaft 31, driving shaft 31 is rotatably connected with transmission chamber 106 on the bottom surface of settling tank 1, the gear on the shaft body of driving shaft 31 is engaged with the gear of the output end of mud cover motor 32, and mud cover motor 32 is installed on the outside of transmission chamber 106.Sludge discharge assembly is provided below with material containing tray 38, the inside of material containing tray 38 is divided into multiple sectors, the output end of rotary disc motor 39 is connected with the center on the bottom surface of material containing tray 38, and rotary disc motor 39 is vertically embedded in support column 40.

[0027] In the embodiment, the inner cavity of the head of pressure material rotary cylinder 3 is connected with circulating pump 5 through rotary joint 4, circulating pump 5 is connected with feeding mechanism, and feeding mechanism includes mixing box 33, and mixing box 33 is installed on the top of settling tank 1;the first end of mixing box 33 is connected with feeding pipe 34 with control valve, the pipe body of feeding pipe 34 is connected with the output pipe of circulating pump 5;mixing motor 35 is installed at the tail end of mixing box 33, and the spiral conveying shaft of mixing motor 35 extends into mixing box 33;several reagent tanks 36 with control valve are installed on the top of mixing box 33;and gate valve 37 is arranged at the bottom outlet of mixing box 33.When feeding pipe 34 injects spray wastewater or filter press liquor into mixing box 33, corresponding reagent is injected into mixing box 33 from reagent tank 36, and the generated suspension, precipitate and the like are discharged together at gate valve 37 after being mixed and stirred by mixing motor 35 driving spiral conveying shaft.

[0028] In the embodiment, the bottom surface of the push liquid assembly connected to the top surface of the cylinder 2 is slidably connected to the bottom plate of the folding seat 6, the push liquid assembly comprises a push liquid motor 16 installed on one side of the top of the settling tank 1, the output shaft of the push liquid motor 16 is rotatably connected to the other side of the settling tank 1, the output shaft shaft body is threadedly connected to the vertical plate of the folding seat 6, the vertical plate is fitted to the inner wall of the settling tank 1 on both sides, the bottom surface of the vertical plate is fitted to the top surface of the scraper 201, the through hole formed in the vertical plate is gap-fitted to the filter cartridge 7, the filter cartridge 7 is internally provided with a filter sleeve 703, the inlet end of the filter sleeve 703 is inserted into the opening at the tail end of the filter cartridge 7, the inner diameter of the filter cartridge 7 increases from the tail end to the head end, a plurality of liquid discharge holes 704 are formed in the bottom side close to the head end of the filter cartridge 7, the filter cartridge 7 is inserted into the through hole of the vertical plate from the tail end, a plurality of key grooves 601 are formed in the inner side of the through hole, one end of the key groove 601 is open towards the bottom plate side and extends out, the cylinder body limiting key 702 of the filter cartridge 7 enters the key groove 601 from the opening and is fastened by rotation, a partition plate 602 is arranged below the through hole, the partition plate 602 is fitted to the groove table 102 on the side of the settling tank 1, and the groove table 102 is provided with a loading hole 103 fitted to the filter cartridge 7 above.

[0029] In the embodiment, the filter cartridge 7 is docked and replaced with the rotary table mechanism at the loading hole 103, the rotary table mechanism comprises a track seat 8 installed on the top surface of the equipment room 101, a translation motor 9 is installed on one side of the track seat 8, the output shaft of the translation motor 9 extends into the groove 801 on the top surface of the track seat 8, the groove 801 is slidably connected to the bottom block of the base column 10, the block is threadedly connected to the output shaft of the translation motor 9, the base column 10 is internally provided with a rotary table motor 11, the output shaft of the rotary table motor 11 is vertically and upwardly connected to the bottom surface of the rotating shaft 12, the rotating shaft 12 is connected to the center of the cross joint 13 at the top, the connecting column of the cross joint 13 is internally provided with a filter cartridge motor 14, the output shaft external spline of the filter cartridge motor 14 is fitted to the central internal spline of the head end of the filter cartridge 7, and the electromagnet 15 arranged in the column wall inner ring of the connecting column is fitted to the metal plate 701 at the head end of the filter cartridge 7.

[0030] In the embodiment, the two side tank chambers separated by the folding seat 6 during movement are connected by a three-way mechanism, the three-way mechanism comprises a three-way cylinder 17 installed on the back of the settling tank 1, the upper and lower connecting ports 1701 of the three-way cylinder 17 are respectively communicated to the bottom plate of the folding seat 6 and the bottom surface of the settling tank 1, when the bottom plate is completely received in the equipment room 101, the vertical plate of the folding seat 6 closes the upper connecting port 1701, the valve block 18 is slidably connected in the vertical direction in the cylinder body of the three-way cylinder 17, the valve block 18 is threadedly connected to the output shaft of the control motor 19, the control motor 19 is installed on the top of the three-way cylinder 17, the lower connecting port 1701 is provided with a liquid discharge port 1702 on one side, the liquid discharge port 1702 is connected to the input end of the emptying pump 20 with a control valve, and the output end of the emptying pump 20 is connected to the adsorption filter cartridge 21.

[0031] The working principle of the application is as follows:

[0032] In the process of spraying waste water in the roasting fume of tungsten ore, CaO is needed to be added to adjust the PH value to 7-9, to produce CaSO4·2H2O precipitate; then H2O2 is added to remove AS 3+ reduced into AS 5+ Then FeCl3 is added to produce FeASO4 and Fe(OH)3 flocculation, and Na2S is added to produce As2S3 and PbS precipitate; then PAM is added to make the flocculation completely settle; finally CaCl2 is added to produce CaF2 precipitate. The above-mentioned settling agents are all added in the single room of reagent tank 36 for standby use.

[0033] When it is needed to treat the spraying waste water, the feed pipe 34 is opened to inject the waste water into the mixing box 33, the reagent tank 36 injects the settling agent into the box, and the mixing motor 35 is started to mix the two, and then the produced suspension, precipitate and the like are all delivered to the gate valve 37 to be discharged into the settling tank 1. At this time, the bottom plate of the folding seat 6 is completely received in the equipment chamber 101, the vertical plate of the folding seat 6 is attached to the side wall of the settling tank 1, and after waiting for a period of time, part of the precipitate is settled at the bottom of the tank, the liquid pushing motor 16 is started to drive the folding seat 6 to slowly move to the opposite side, and the vertical plate gradually separates two tank chambers on both sides. Under the pushing of the vertical plate, Figure 1 The waste water in the left tank chamber is squeezed into the filter cylinder 7, and the clear liquid with suspended particles filtered by the filter sleeve 703 falls into the right tank chamber from the liquid discharge hole 704. When the vertical plate contacts the opposite tank wall, the gate plate 22 is opened, the bottom sediment in the tank is pushed into the feed hopper 2401 by the bottom cleaning air cylinder 2, the pressure screw motor 25 is started to drive the pressure screw cylinder 3 to rotate, the screw blade 301 continuously pushes the sludge into the sludge cover 26, the sludge pushing plate 29 is pushed by the sludge pushing air cylinder 28 to assist the compression, the pressure filtrate squeezed out of the sludge is introduced into the inner cavity of the pressure screw cylinder 3 from the leakage hole cap 302, and then is pumped into the mixing box 33 by the rotary joint 4. In the pressure filtration process, the electric heating wire 27 can be started to heat the sludge to help the evaporation of the residual water in the sludge.

[0034] When the sludge in the tank bottom is removed, the bottom cleaning cylinder 2 is reset, the gate 22 is closed, the control motor 19 is started to move the valve block 18 from the top dead center to the bottom dead center, the upper and lower sides of the bottom plate of the folding seat 6 are connected, and the folding seat 6 is moved in the opposite direction to reposition the liquid in the right chamber of the tank from the connecting port 1701 to the left chamber of the tank. The same type of settling agent is injected into the mixing tank 33 and mixed with the filter press liquid, and then the gate valve 37 is opened to pour the mixed liquid into the settling tank 1 to start the next round of settling. After repeating several times to ensure that all such precipitates are settled and filtered, the mud cover motor 32 is started to open the mud cover 26, and the filter residue is pushed into the corresponding partition of the material holding tray 38 through the mud pushing plate 29, and then the mud cover 26 is reset. The next partition is turned to the position directly below the mud discharge assembly by starting the rotating disc motor 39. At the same time, the folding seat 6 is located at the rightmost side, the filter cartridge 7 is pulled out from the loading hole 103, the translation motor 9 is started to move the base column 10, the filter cartridge motor 14 is connected with the filter cartridge 7, the electromagnet 15 is started to attract the metal plate 701, the filter cartridge motor 14 is started to rotate and disengage the filter cartridge 7, the base column 10 is moved backward to pull out the filter cartridge 7, the rotating platform motor 11 is started to rotate the cross joint 13, so that the next filter cartridge 7 is aligned with the loading hole 103, and then the new filter cartridge 7 is installed for the folding seat 6, and the next type of precipitation is started to settle. When all the precipitates are settled, the emptying pump 20 is started to discharge the treated wastewater after being adsorbed by the adsorption filter cartridge 21.

[0035] The system does not need multiple settling tanks for settling, has a small footprint, and has the characteristics of compact structure and high integration, can effectively separate multiple precipitates, uses active filtration to adsorb particles in the suspended liquid, improves the treatment efficiency, greatly reduces the settling time, and has the characteristics of integration, high efficiency and full automation.

[0036] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A tungsten mineral raw material roasting flue gas spray wastewater treatment system comprising a sedimentation tank (1), characterized in that: The bottom side of the settling tank (1) is provided with an equipment room (101), and a bottom cleaning cylinder (2) is arranged in the equipment room (101). A scraper (201) at the output end of the bottom cleaning cylinder (2) can be pushed to a gate assembly on the opposite side of the tank body. The gate assembly is connected to the feed inlet of a filter pressing mechanism. The tail part of a filter pressing mechanism with filter holes is matched with a sludge discharge assembly. The head cavity of the filter pressing mechanism is connected to a circulating pump (5) through a rotary joint (4). The circulating pump (5) is connected to a feeding mechanism. The top surface of the bottom cleaning cylinder (2) is slidingly connected to the bottom plate of a folding seat (6) in a liquid pushing assembly. The liquid pushing assembly includes a liquid pushing motor (16) installed on one side of the top of the settling tank (1). The output shaft of the liquid pushing motor (16) is rotatably connected to the other side of the settling tank (1). The shaft body of the output shaft is threadedly connected to the vertical plate of the folding seat (6). The vertical plate is attached to the inner wall of the settling tank (1) on both sides. The bottom surface of the vertical plate is attached to the top surface of the scraper (201). A plurality of key grooves (601) are formed in the inner side of the through hole of the vertical plate. The opening of one end of the key groove (601) is directed to the bottom plate side and extends out. The filter cylinder (7) is fastened by rotating after the cylinder body limiting key (702) enters the key groove (601) from the opening. A partition plate (602) is arranged below the through hole. The partition plate (602) is matched with a groove table (102) on the side of the settling tank (1). A loading hole (103) matched with the filter cylinder (7) is formed in the groove table (102). The folding seat (6) is connected to the filter cylinder (7) through the through hole of the vertical plate. The filter cylinder (7) is replaced by a rotating table mechanism. The rotating table mechanism includes a track seat (8) installed on the top surface of the equipment room (101). A translation motor (9) is installed on one side of the track seat (8). The output shaft of the translation motor (9) extends into the groove (801) on the top surface of the track seat (8). The groove (801) is slidingly connected to the bottom block of a base column (10). The block is threadedly connected to the output shaft of the translation motor (9). A rotating table motor (11) is arranged in the base column (10). The output shaft of the rotating table motor (11) is vertically upwardly connected to the bottom surface of a rotating shaft (12). The rotating shaft (12) is connected to the center of a cross joint (13) at the top. A filter cylinder motor (14) is arranged in the connecting column of the cross joint (13). The output shaft of the filter cylinder motor (14) is matched with the inner spline at the center of the head end of the filter cylinder (7). An electromagnet (15) is arranged in the column wall inner ring of the connecting column. The electromagnet (15) is matched with the metal plate (701) at the head end of the filter cylinder (7). The two side tank chambers separated by the folding seat (6) are connected by a three-way mechanism. The three-way mechanism includes a three-way cylinder (17) installed on the back of the settling tank (1). The upper and lower connecting ports (1701) of the three-way cylinder (17) are respectively connected to the bottom plate of the folding seat (6) and the bottom surface of the settling tank (1). When the bottom plate is completely received in the equipment room (101), the vertical plate of the folding seat (6) closes the upper connecting port (1701). A valve block (18) is slidingly connected in the cylinder body of the three-way cylinder (17). The valve block (18) is threadedly connected to the output shaft of a control motor (19). The control motor (19) is installed on the top of the three-way cylinder (17). A liquid discharge port (1702) is arranged on one side of the lower connecting port (1701). The liquid discharge port (1702) is connected to the input end of a vacuum pump (20) with a control valve.The output end of the emptying pump (20) is connected to the adsorption filter cartridge (21).

2. The system for treating the flue gas of the roasting of tungsten mineral raw material by spraying waste water according to claim 1, characterized in that: The shutter assembly comprises a shutter (22) vertically slidingly connected with a wall groove (104) opened above the gate of the settling tank (1), and the outer end surface of the shutter (22) is connected with the output end of a lifting cylinder (23) installed on the outer side wall of the settling tank (1), which can seal the gate of the settling tank (1) when the shutter (22) falls.

3. The system for treating the flue gas of the roasting of tungsten mineral raw material by spraying waste water according to claim 1, characterized in that: The filter pressing mechanism comprises a machine bottom shell (24) installed on the bottom surface of the settling tank (1), and the cylindrical cavity wall surrounded by the machine bottom shell (24) and the settling tank (1) is rotationally connected with the spiral blade (301) of the pressing cylinder (3), the head part of the machine bottom shell (24) is connected with the shutter assembly, the tail part of the machine bottom shell (24) is connected with the sludge discharging assembly, the tail part of the pressing cylinder (3) is threadedly connected with a leakage hole cap (302), the head part of the pressing cylinder (3) passes through the gear ring (303) to be engaged with the output gear of the spinning motor (25) after penetrating out of the machine bottom shell (24), and the spinning motor (25) is installed on the bottom surface of the machine bottom shell (24).

4. The system for treating the flue gas of the roasting of tungsten mineral raw material by spraying waste water according to claim 1, characterized in that: The sludge discharging assembly comprises a sludge collecting cover (26) which is connected with the filter pressing mechanism, and the top surface of the sludge collecting cover (26) is slidingly connected with the sliding rail (105) on the bottom surface of the settling tank (1), the cover wall of the sludge collecting cover (26) is embedded with an electric heating wire (27), the back side of the sludge collecting cover (26) is provided with a sludge pushing cylinder (28), the output end of the sludge pushing cylinder (28) penetrates into the cover to be connected with a sludge pushing plate (29), the two side ear seats (2601) of the sludge collecting cover (26) are threadedly connected with a driven shaft (30), the end gear of the driven shaft (30) is engaged with the two end gears of a driving shaft (31), the driving shaft (31) is rotationally connected with the transmission chamber (106) on the bottom surface of the settling tank (1), the shaft gear of the driving shaft (31) is engaged with the output gear of a sludge cover motor (32), and the sludge cover motor (32) is installed on the outside of the transmission chamber (106).

5. The system for treating the flue gas of the roasting of tungsten mineral raw material by spraying waste water according to claim 1, characterized in that: The feeding mechanism comprises a mixing tank (33) installed on the top of the settling tank (1), the head part of the mixing tank (33) is connected with a feeding pipe (34) provided with a control valve, the pipe body of the feeding pipe (34) is connected with the output pipe of the circulating pump (5), the tail part of the mixing tank (33) is installed with a mixing motor (35), the spiral conveying shaft of the mixing motor (35) extends into the mixing tank (33), a plurality of reagent tanks (36) provided with control valves are installed on the top of the mixing tank (33), and the bottom outlet of the mixing tank (33) is provided with a gate valve (37).

6. The system for treating the flue gas of the roasting of tungsten mineral raw material by spraying waste water according to claim 1, characterized in that: A material containing disc (38) is arranged below the sludge discharging assembly, the inside of the material containing disc (38) is divided into multiple sectors, the bottom surface of the material containing disc (38) is connected with the output end of a rotating disc motor (39), and the rotating disc motor (39) is vertically embedded in a supporting column (40).

7. The system for treating the flue gas of the roasting of tungsten mineral raw material by spraying waste water according to claim 1, characterized in that: The filter cylinder (7) is internally provided with a filter sleeve (703), the inlet end of the filter sleeve (703) is inserted into the tail end opening of the filter cylinder (7), the inner diameter of the filter cylinder (7) increases from the tail end to the head part, and a plurality of liquid discharge holes (704) are formed in the bottom side close to the head part of the filter cylinder (7).

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