Diaphragm pressure filtration equipment for crystalline silicon production wastewater

Abstract

The invention relates to the technical field of diaphragm filter presses, and particularly discloses diaphragm filter pressing equipment for crystalline silicon production wastewater, which comprises a diaphragm filter press body, and further comprises a water quantity detection and adjustment mechanism arranged on one side of the diaphragm filter press body, the membrane filter press at least has the following beneficial effects that the water quantity detection and regulation mechanism is arranged, so that the water quantity can be detected in the membrane filter press body during filter pressing, and the filter pressing strength can be regulated according to a detection result. The membrane filter press at least has the following beneficial effects that the water quantity detection and regulation mechanism is arranged, so that the filter pressing efficiency is greatly improved during a filter cake filter pressing process; the water content condition of the filter cake is known by detecting the water flow in time, and then the detected water flow condition can be used as a basis for adjusting the pressure intensity of high-pressure fluid or gas media introduced into the elastic film and the subsequent cleaning strength of the elastic film, so that the elastic film is prevented from being damaged due to too high pressure.

Description

Technical Field

[0001] The invention relates to the technical field of membrane filter presses, in particular to a membrane filter press device for crystalline silicon production wastewater. Background Art

[0002] A large amount of wastewater is generated during the production of crystalline silicon. Direct discharge of this wastewater will seriously pollute the environment. For this reason, a diaphragm filter press is needed to filter the wastewater generated by the production of crystalline silicon. This is mainly done by installing a layer of elastic membrane between the filter plate and the filter cloth in the diaphragm filter press. After the wastewater feed is completed, a high-pressure fluid or gas medium is introduced into the interior of the diaphragm filter press to make the elastic membrane bulge, thereby compressing it into a filter cake and discharging all the excess wastewater to achieve filtration work.

[0003] However, during the filter press process, the pressure of the high-pressure fluid or gas medium introduced depends on the operator's operation control, and the water content of the filter cake produced by each wastewater filter press is different. However, the filter press intensity operated by the operator is difficult to adjust to a suitable intensity, which may cause the elastic membrane to be damaged due to excessive pressure. For this reason, we propose a diaphragm filter press equipment for crystalline silicon production wastewater. Summary of the invention

[0004] The object of the present invention is to provide a diaphragm filter press equipment for crystalline silicon production wastewater to solve the problem raised in the above-mentioned background technology that during the filter press process, the pressure of the high-pressure fluid or gas medium introduced depends on the operation control of the staff, and the water content of the filter cake produced by each wastewater introduced for filter press is different. However, the filter press intensity operated by the staff is difficult to adjust to a suitable intensity, which may cause the elastic membrane to be damaged due to excessive pressure.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a membrane filter press device for crystalline silicon production wastewater, comprising: a membrane filter press body, It also includes: a water volume detection and adjustment mechanism, which is arranged on one side of the diaphragm filter press body, and detects the water volume generated during filtration in the diaphragm filter press body, and then adjusts the filtration intensity according to the detection result; A cleaning adjustment mechanism, which is arranged on the top of the membrane filter press body and adjusts the cleaning intensity according to the water flow detected by the water flow detection and adjustment mechanism; The pressure regulating mechanism is arranged on one side of the diaphragm filter press body, and the pressure regulating mechanism adjusts the filter pressing intensity according to the water flow result detected by the water flow detection and adjustment mechanism; The shifting mechanism is arranged on one side of the diaphragm filter press body, and the shifting mechanism can move the position of the filter frame after completing the filtration work.

[0006] Among them, the water volume detection and adjustment mechanism includes a water collecting trough plate fixedly connected to one side of the diaphragm filter press body, the bottom of the water collecting trough plate is fixedly connected to a first fixed box, the inner side of the first fixed box is fixedly connected to a first sliding rheostat, one side of the sliding piece inside the first sliding rheostat is fixedly connected to a first limit plate, a first slide groove is opened inside the first limit plate, a positioning angle block is slidingly connected to the inner wall of the first slide groove, a first spring is fixedly connected to the bottom of the positioning angle block, a first electromagnet is fixedly connected to the bottom of the inner wall of the first slide groove and located in the first spring, and a second electromagnet is fixedly connected to the bottom of the positioning angle block and located above the first electromagnet.

[0007] Among them, one side of the water collecting trough plate is fixedly connected with a water pipe, the top of the water pipe is fixedly connected with a protective cover, the inside of the protective cover is rotatably connected with a one-way water wheel, one side of the one-way water wheel is fixedly connected with a first bevel gear, one side of the first bevel gear is meshingly connected with a second bevel gear, the outer side of the second bevel gear is rotatably connected with a first support plate, and the first support plate is fixedly connected to the water collecting trough plate.

[0008] Among them, the top of the second bevel gear is fixedly connected to a centrifugal disk, a second slide groove is opened inside the centrifugal disk, the inner wall of the second slide groove is slidably connected to the first slider, one side of the first slider is fixedly connected to a second spring, the inside of the second slide groove and on one side of the first slider is provided with a centrifugal ball, the top of the first slider is fixedly connected to a toggle column, the inside of the toggle column is fixedly connected to a third electromagnet, the top of the first limit plate is fixedly connected to a U-shaped limit plate, the internal fixed plate of the U-shaped limit plate is connected to a touch switch, the inside of the U-shaped limit plate and on one side of the touch switch is slidably connected to a limit slide, and the inside of the limit slide is fixedly connected to a fourth electromagnet.

[0009] Among them, the cleaning and adjustment mechanism includes two first support frames fixedly connected to the top of the diaphragm filter press body, a connecting groove tube is fixedly connected between the two first support frames, a first motor is fixedly connected to one side of one of the first support frames, a first reciprocating screw rod is fixedly connected to the output end of the first motor and is located in the connecting groove tube, a threaded movable platform is threadedly connected to the outer side of the first reciprocating screw rod, and the threaded movable platform is slidably connected to the connecting groove tube.

[0010] Among them, two electric telescopic rods are fixedly connected to the top of the threaded movable platform, the output ends of the two electric telescopic rods are fixedly connected to a U-shaped cleaning plate, the top of the U-shaped cleaning plate is fixedly connected to a water pump, and the output end of the water pump is located inside the U-shaped cleaning plate and is fixedly connected to two multi-head high-pressure water pipes.

[0011] Among them, a second fixed box is fixedly connected to the top of the U-shaped cleaning plate, a second sliding rheostat is fixedly connected to the interior of the second fixed box, one side of the sliding sheet inside the second sliding rheostat is fixedly connected to a limiting connecting plate, the limiting connecting plate is slidably connected to the second fixed box, two fixed rods are fixedly connected to the bottom of the second fixed box and located inside the U-shaped cleaning plate, a third spring is sleeved on the outside of the two fixed rods and located between the limiting connecting plate and the U-shaped cleaning plate, a pressure plate is fixedly connected to the bottom of the fixed rod, and a cleaning pipe sleeve is fixedly connected to the bottom of the U-shaped cleaning plate and located on the outside of the fixed rod.

[0012] Among them, two limit rods are symmetrically and slidingly connected inside the U-shaped cleaning plate, one end of the two limit rods is fixedly connected to a shift connecting plate, and the end of the limit rod away from the shift connecting plate is fixedly connected to a cleaning plate, and a fourth spring is sleeved on the outside of the limit rod and located between the shift connecting plate and the U-shaped cleaning plate, two fifth electromagnets are fixedly connected inside the U-shaped cleaning plate and on one side of the shift connecting plate, and a sixth electromagnet is fixedly connected inside the shift connecting plate and on one side of the fifth electromagnet.

[0013] Among them, the pressure regulating mechanism includes a protection box fixedly connected to one side of the diaphragm filter press body, an inlet pipe is fixedly connected inside the protection box, an electromagnetic valve is arranged inside the inlet pipe, and a plurality of connecting pipes are fixedly connected at equal intervals at the bottom of the inlet pipe.

[0014] Among them, the shifting mechanism includes a third fixed box fixedly connected to one side of the diaphragm filter press body, a second motor is fixedly connected to the inside of the third fixed box, a second reciprocating screw is fixedly connected to the output end of the second motor, a plate pulling trolley is threadedly connected to the outer side of the second reciprocating screw, and the plate pulling trolley is slidably connected to the third fixed box.

[0015] The present invention has at least the following beneficial effects: The present invention is provided with a water volume detection and adjustment mechanism, so that when the process of pressing the filter cake is carried out, the water content of the filter cake can be timely understood by detecting the water flow, and then the detected water flow can be used as a basis for adjusting the pressure of the high-pressure fluid or gas medium passed into the elastic membrane, as well as the subsequent cleaning force of the elastic membrane, so as to prevent the elastic membrane from being damaged due to excessive pressure; by providing a cleaning adjustment mechanism and a pressure adjustment mechanism, the cleaning force and the filter pressing strength can be adjusted to an appropriate level according to the water flow detected by the water volume detection and adjustment mechanism; by providing a shifting mechanism, the filter frame can be moved to a suitable position after the filter pressing work is completed, so as to facilitate the cleaning work and the collection of the filter cake. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a right-side overall structural schematic diagram of the present invention; Figure 2It is a left-side overall structural schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the pressure regulating mechanism of the present invention; Figure 4 This is a schematic diagram of the internal structure of the connecting groove pipe of the present invention; Figure 5 It is a left-side structural schematic diagram of the U-shaped cleaning plate of the present invention; Figure 6 It is a schematic structural diagram of the second fixed box, the second sliding rheostat, the limit connecting plate, the fixed rod, the third spring, the arc plate and the cleaning pipe sleeve of the present invention; Figure 7 It is a schematic diagram of the structure of the limit rod, the fourth spring, the displacement connecting plate, the cleaning plate, the fifth electromagnet and the sixth electromagnet of the present invention; Figure 8 It is a schematic structural diagram of the water collecting trough plate, the water guide pipe, the first fixed box, the first sliding rheostat and the first limit plate of the present invention; Fig. 9 It is a schematic structural diagram of the water conduit, the first sliding rheostat, the first limit plate, the first bevel gear, the first support plate and the centrifugal disk of the present invention; Fig.10 It is a schematic diagram of the internal structure of the first limiting plate of the present invention; Fig.11 It is a schematic diagram of the internal structure of the protective cover of the present invention; Fig.12 It is a schematic diagram of the internal structure of the centrifugal disk of the present invention; Fig.13 It is a schematic diagram of the structure of the U-shaped limit plate, the touch switch, the limit slide plate and the fourth electromagnet of the present invention; Fig.14 It is a schematic structural diagram of the third fixed box, the second motor, the second reciprocating screw rod and the plate pulling trolley of the present invention.

[0017] In the figure: 1. Diaphragm filter press body; 2. Water volume detection and adjustment mechanism; 21. Water collecting trough plate; 22. Water guide pipe; 23. First fixed box; 24. First sliding rheostat; 25. First limit plate; 26. First slide slot; 27. Positioning angle block; 28. First spring; 29. ​​First electromagnet; 290. Second electromagnet; 211. Protective cover; 212. One-way water wheel; 213. First bevel gear; 214. Second bevel gear; 215. First support plate; 216. Centrifugal disc; 217. Second slide slot; 218. First slider; 219. Second spring; 220. Centrifugal ball; 221. Toggle column; 222. Third electromagnet; 223. U-shaped limit plate; 224. Touch switch; 225. Limit slide plate; 226. Fourth electromagnet; 3. Cleaning adjustment mechanism; 31. First support Support frame; 32. First motor; 33. Connecting groove pipe; 34. First reciprocating screw rod; 35. Threaded moving platform; 36. Electric telescopic rod; 37. U-shaped cleaning plate; 38. Water pump; 39. Multi-head high-pressure water pipe; 390. Second fixed box; 311. Second sliding rheostat; 312. Limit connecting plate; 313. Fixed rod; 314. Third spring; 315. Pressure plate; 316. Cleaning pipe sleeve; 317. Limit rod; 318. Fourth spring; 319. Shift connecting plate; 320. Cleaning plate; 321. Fifth electromagnet; 322. Sixth electromagnet; 4. Pressure regulating mechanism; 41. Protection box; 42. Access pipe; 43. Solenoid valve; 44. Connecting pipe; 5. Shifting mechanism; 51. Third fixed box; 52. Second motor; 53. Second reciprocating screw rod; 54. Pulling trolley. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Embodiment 1

[0020] See also Figures 1 to 14 The present invention provides a technical solution: a membrane filter press device for crystalline silicon production wastewater, comprising: a membrane filter press body 1, It also includes: a water volume detection and adjustment mechanism 2, which is arranged on one side of the membrane filter press body 1, and detects the water volume generated during filtration in the membrane filter press body 1, and then adjusts the filtration intensity according to the detection result; A cleaning adjustment mechanism 3, which is arranged on the top of the membrane filter press body 1, and the cleaning adjustment mechanism 3 adjusts the cleaning intensity according to the water flow result detected by the water flow detection and adjustment mechanism 2; The pressure regulating mechanism 4 is arranged on one side of the membrane filter press body 1, and the pressure regulating mechanism 4 adjusts the filter pressing intensity according to the water flow result detected by the water flow detection and adjustment mechanism 2; The shifting mechanism 5 is arranged on one side of the membrane filter press body 1 , and the shifting mechanism 5 can move the position of the filter frame after the filtration work is completed.

[0021] By providing a water volume detection and adjustment mechanism 2, the water content of the filter cake can be timely understood by detecting the water flow during the process of pressing the filter cake, and the detected water flow can be used as a basis for adjusting the pressure of the high-pressure fluid or gas medium passed into the elastic membrane, as well as the subsequent cleaning strength of the elastic membrane, thereby preventing the elastic membrane from being damaged due to excessive pressure; by providing a cleaning adjustment mechanism 3 and a pressure adjustment mechanism 4, the cleaning strength and filter pressing strength can be adjusted to an appropriate level according to the water flow detected by the water volume detection and adjustment mechanism 2; by providing a shifting mechanism 5, the filter frame can be moved to a suitable position after the filter pressing work is completed, which is convenient for cleaning work and collecting the filter cake.

[0022] The water volume detection and adjustment mechanism 2 includes a water collecting trough plate 21 fixedly connected to one side of the diaphragm filter press body 1, a first fixed box 23 is fixedly connected to the bottom of the water collecting trough plate 21, a first sliding rheostat 24 is fixedly connected to the inner side of the first fixed box 23, a first limit plate 25 is fixedly connected to one side of the sliding piece inside the first sliding rheostat 24, a first slide groove 26 is opened inside the first limit plate 25, a positioning angle block 27 is slidingly connected to the inner wall of the first slide groove 26, a first spring 28 is fixedly connected to the bottom of the positioning angle block 27, a first electromagnet 29 is fixedly connected to the bottom of the inner wall of the first slide groove 26 and located in the first spring 28, and a second electromagnet 290 is fixedly connected to the bottom of the positioning angle block 27 and located above the first electromagnet 29; During use, when the water flow in the water collection trough plate 21 is detected, the slider in the first sliding rheostat 24 will be driven to move through the first limit plate 25, and the moving first limit plate 25 will drive the positioning angle block 27 to move in the water collection trough plate 21. The initial position of the positioning angle block 27 can be limited by the first spring 28. When the water flow detection is completed, the first electromagnet 29 and the second electromagnet 290 are energized. The first electromagnet 29 and the second electromagnet 290 have the same magnetic pole facing each other, and the position of the positioning angle block 27 can be fixed by repulsion.

[0023] A water pipe 22 is fixedly connected to one side of the water collecting trough plate 21, a protective cover 211 is fixedly connected to the top of the water pipe 22, a one-way water wheel 212 is rotatably connected inside the protective cover 211, a first bevel gear 213 is fixedly connected to one side of the one-way water wheel 212, a second bevel gear 214 is meshedly connected to one side of the first bevel gear 213, a first support plate 215 is rotatably connected to the outer side of the second bevel gear 214, and the first support plate 215 is fixedly connected to the water collecting trough plate 21; When in use, when the one-way waterwheel 212 is driven by the water flow, it drives the first bevel gear 213 on one side, and the first bevel gear 213 can be driven by the second bevel gear 214 .

[0024] A centrifugal disc 216 is fixedly connected to the top of the second bevel gear 214, a second slide groove 217 is provided inside the centrifugal disc 216, a first slider 218 is slidably connected to the inner wall of the second slide groove 217, a second spring 219 is fixedly connected to one side of the first slider 218, a centrifugal ball 220 is provided inside the second slide groove 217 and on one side of the first slider 218, a toggle column 221 is fixedly connected to the top of the first slider 218, a third electromagnet 222 is fixedly connected to the inside of the toggle column 221, a U-shaped limit plate 223 is fixedly connected to the top of the first limit plate 25, a touch switch 224 is connected to the internal fixed plate of the U-shaped limit plate 223, a limit slide plate 225 is slidably connected to the inside of the U-shaped limit plate 223 and on one side of the touch switch 224, and a fourth electromagnet 226 is fixedly connected to the inside of the limit slide plate 225; When in use, when the second bevel gear 214 rotates, it drives the centrifugal disc 216, and the centrifugal disc 216 drives the centrifugal ball 220 to generate centrifugal force, so that the centrifugal ball 220 rolls in the second slide groove 217 to push the first slider 218 to compress the second spring 219. When the toggle column 221 moves, it pushes the U-shaped limit plate 223 to move, thereby completing the preliminary water flow detection and adjusting the preliminary resistance of the first sliding rheostat 24. When the second wave of sewage is introduced, the greater the water flow, the more the U-shaped limit plate can be pushed. 223 moves, and the toggle column 221 pushes the limit slide plate 225 to touch the touch switch 224, so that the third electromagnet 222 and the fourth electromagnet 226 can be kept in a power-off state. If the amount of water discharged subsequently is too little and the toggle column 221 fails to touch the touch switch 224, the third electromagnet 222 and the fourth electromagnet 226 are energized within 2 to 3 seconds, so that the third electromagnet 222 attracts the fourth electromagnet 226 to approach, thereby driving the U-shaped limit plate 223 to reduce the resistance of the first sliding rheostat 24.

[0025] The cleaning adjustment mechanism 3 includes two first support frames 31 fixedly connected to the top of the diaphragm filter press body 1, a connecting groove tube 33 is fixedly connected between the two first support frames 31, a first motor 32 is fixedly connected to one side of one of the first support frames 31, a first reciprocating screw rod 34 is fixedly connected to the output end of the first motor 32 and is located in the connecting groove tube 33, a threaded movable platform 35 is threadedly connected to the outer side of the first reciprocating screw rod 34, and the threaded movable platform 35 is slidably connected to the connecting groove tube 33; During use, when the filter frame needs to be cleaned, the first motor 32 is controlled to rotate the first reciprocating screw 34. The rotating first reciprocating screw 34 can drive the threaded movable platform 35 to slide in the connecting groove tube 33, and then the threaded movable platform 35 can be moved above the filter frame.

[0026] The top of the threaded moving platform 35 is fixedly connected to two electric telescopic rods 36, the output ends of the two electric telescopic rods 36 are fixedly connected to a U-shaped cleaning plate 37, the top of the U-shaped cleaning plate 37 is fixedly connected to a water pump 38, and the output end of the water pump 38 and located inside the U-shaped cleaning plate 37 are fixedly connected to two multi-head high-pressure water pipes 39; When in use, the resistance strength adjusted by the water volume detection and adjustment mechanism 2 is used as the adjustment of the initial power strength of the water pump 38, and then the input end of the water pump 38 is controlled to connect to clean water, and the water is discharged through the multi-head high-pressure water pipe 39 at the output end to flush and clean the elastic membrane. The electric telescopic rod 36 is controlled to push the U-shaped cleaning plate 37 to move for cleaning.

[0027] A second fixed box 390 is fixedly connected to the top of the U-shaped cleaning plate 37, a second sliding rheostat 311 is fixedly connected to the interior of the second fixed box 390, a limited connection plate 312 is fixedly connected to one side of the sliding sheet inside the second sliding rheostat 311, the limited connection plate 312 is slidably connected to the second fixed box 390, two fixed rods 313 are fixedly connected to the bottom of the second fixed box 390 and located inside the U-shaped cleaning plate 37, a third spring 314 is sleeved on the outside of the two fixed rods 313 and located between the limited connection plate 312 and the U-shaped cleaning plate 37, a pressing plate 315 is fixedly connected to the bottom of the fixed rod 313, and a cleaning pipe sleeve 316 is fixedly connected to the bottom of the U-shaped cleaning plate 37 and located outside the fixed rod 313; When in use, the pressure plate 315 contacts the filter cake and detects the hardness through the low-pressure filter cake. When the hardness of the filter cake is stronger, the limiting connecting plate 312 will be pushed upward through the fixing rod 313, and the bottom of the third spring 314 is fixedly connected to the U-shaped cleaning plate 37, and the top of the third spring 314 is fixedly connected to the limiting connecting plate 312, so that the third spring 314 can be stretched, and the resistance of the water pump 38 can be reduced by moving the second sliding rheostat 311, thereby increasing the water spraying intensity. When the hardness of the filter cake is weaker, the lower resistance can be maintained.

[0028] Two limit rods 317 are symmetrically slidably connected inside the U-shaped cleaning plate 37, one end of the two limit rods 317 is fixedly connected to a shift connecting plate 319, one end of the limit rod 317 away from the shift connecting plate 319 is fixedly connected to a cleaning plate 320, a fourth spring 318 is sleeved on the outer side of the limit rod 317 and located between the shift connecting plate 319 and the U-shaped cleaning plate 37, two fifth electromagnets 321 are fixedly connected inside the U-shaped cleaning plate 37 and located on one side of the shift connecting plate 319, and a sixth electromagnet 322 is fixedly connected inside the shift connecting plate 319 and located on one side of the fifth electromagnet 321; When in use, the electromagnetic strength of the fifth electromagnet 321 and the sixth electromagnet 322 can be controlled according to the resistance adjustment of the water volume detection and adjustment mechanism 2. The second sliding rheostat 311 can be used as an auxiliary adjustment of the electromagnetic strength of the fifth electromagnet 321 and the sixth electromagnet 322, thereby increasing or decreasing the cleaning intensity of the cleaning plate 320. The fifth electromagnet 321 and the sixth electromagnet 322 face opposite magnetic poles, so that the fifth electromagnet 321 attracts the sixth electromagnet 322, and the moving displacement connecting plate 319 drives the limit rod 317 to slide in the U-shaped cleaning plate 37, and at the same time compresses the fourth spring 318, thereby driving the cleaning plate 320 to clean the surface of the elastic membrane.

[0029] Embodiment 2

[0030] like Figure 1-14 In the second embodiment, other structures remain unchanged, and the difference from the first embodiment is The pressure regulating mechanism 4 comprises a protection box 41 fixedly connected to one side of the membrane filter press body 1, an inlet pipe 42 is fixedly connected inside the protection box 41, an electromagnetic valve 43 is arranged inside the inlet pipe 42, and a plurality of connecting pipes 44 are fixedly connected to the bottom of the inlet pipe 42 at equal intervals; When in use, the connecting pipe 44 is connected to the filter frame. When the diaphragm filter press body 1 is controlled to merge multiple filter frames together through the oil cylinder, filtered water can be passed in for filtration, and then the pressure strength of the high-pressure fluid or gas medium introduced is adjusted by controlling the solenoid valve 43, and the connecting pipe 44 connected by the inlet pipe 42 is passed into multiple filter frames.

[0031] The shift mechanism 5 includes a third fixed box 51 fixedly connected to one side of the membrane filter press body 1, a second motor 52 is fixedly connected to the inside of the third fixed box 51, a second reciprocating screw rod 53 is fixedly connected to the output end of the second motor 52, a plate pulling trolley 54 is threadedly connected to the outer side of the second reciprocating screw rod 53, and the plate pulling trolley 54 is slidably connected to the third fixed box 51; During use, when the position of the filter frame needs to be moved, the second motor 52 is controlled to rotate the second reciprocating screw 53. The rotating second reciprocating screw 53 can drive the pull plate trolley 54 to move to one side of the filter frame, control the pull plate trolley 54 to clamp the filter frame, and then control the second motor 52 to move the pull plate trolley 54 to the filter frame position.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A membrane filter press device for crystalline silicon production wastewater, comprising: Diaphragm filter press body (1), The invention is characterized in that it also includes a water volume detection and adjustment mechanism (2), wherein the water volume detection and adjustment mechanism (2) is arranged on one side of the membrane filter press body (1), and the water volume detection and adjustment mechanism (2) detects the flow volume generated during filtration in the membrane filter press body (1), and then adjusts the filtration intensity according to the detection result; A cleaning adjustment mechanism (3), the cleaning adjustment mechanism (3) being arranged on the top of the membrane filter press body (1), the cleaning adjustment mechanism (3) adjusting the cleaning intensity according to the water flow result detected by the water flow detection and adjustment mechanism (2); A pressure regulating mechanism (4), the pressure regulating mechanism (4) being arranged on one side of the membrane filter press body (1), the pressure regulating mechanism (4) regulating the filter pressing intensity according to the water flow result detected by the water flow detection and adjustment mechanism (2); A shifting mechanism (5), wherein the shifting mechanism (5) is arranged on one side of the membrane filter press body (1), and the shifting mechanism (5) can move the position of the filter frame after completing the filtration work.

2. The membrane filter press equipment for crystalline silicon production wastewater according to claim 1, characterized in that: The water volume detection and adjustment mechanism (2) comprises a water collecting trough plate (21) fixedly connected to one side of the diaphragm filter press body (1); a first fixed box (23) is fixedly connected to the bottom of the water collecting trough plate (21); a first sliding rheostat (24) is fixedly connected to the inner side of the first fixed box (23); a first limit plate (25) is fixedly connected to one side of the sliding sheet inside the first sliding rheostat (24); a first sliding groove (26) is provided inside the first limit plate (25); a positioning angle block (27) is slidingly connected to the inner wall of the first sliding groove (26); a first spring (28) is fixedly connected to the bottom of the positioning angle block (27); a first electromagnet (29) is fixedly connected to the bottom of the inner wall of the first sliding groove (26) and located inside the first spring (28); and a second electromagnet (290) is fixedly connected to the bottom of the positioning angle block (27) and located above the first electromagnet (29).

3. The membrane filter press equipment for crystalline silicon production wastewater according to claim 2, characterized in that: A water pipe (22) is fixedly connected to one side of the water collecting trough plate (21), a protective cover (211) is fixedly connected to the top of the water collecting trough plate (22), a one-way water wheel (212) is rotatably connected to the inside of the protective cover (211), a first bevel gear (213) is fixedly connected to one side of the one-way water wheel (212), a second bevel gear (214) is meshingly connected to one side of the first bevel gear (213), a first support plate (215) is rotatably connected to the outer side of the second bevel gear (214), and the first support plate (215) is fixedly connected to the water collecting trough plate (21).

4. The membrane filter press equipment for crystalline silicon production wastewater according to claim 3, characterized in that: A centrifugal disc (216) is fixedly connected to the top of the second bevel gear (214); a second slide groove (217) is provided inside the centrifugal disc (216); a first slider (218) is slidably connected to the inner wall of the second slide groove (217); a second spring (219) is fixedly connected to one side of the first slider (218); a centrifugal ball (220) is provided inside the second slide groove (217) and on one side of the first slider (218); and a centrifugal ball (220) is fixedly connected to the top of the first slider (218). A toggle post (221), wherein a third electromagnet (222) is fixedly connected inside the toggle post (221), a U-shaped limit plate (223) is fixedly connected to the top of the first limit plate (25), a light touch switch (224) is connected to the internal fixed plate of the U-shaped limit plate (223), a limit slide plate (225) is slidably connected inside the U-shaped limit plate (223 and located on one side of the light touch switch (224), and a fourth electromagnet (226) is fixedly connected inside the limit slide plate (225).

5. The membrane filter press equipment for crystalline silicon production wastewater according to claim 1, characterized in that: The cleaning adjustment mechanism (3) comprises two first support frames (31) fixedly connected to the top of the membrane filter press body (1), a connecting groove tube (33) fixedly connected between the two first support frames (31), a first motor (32) fixedly connected to one side of one of the first support frames (31), a first reciprocating screw (34) fixedly connected to the output end of the first motor (32) and located in the connecting groove tube (33), a threaded movable platform (35) threadedly connected to the outer side of the first reciprocating screw (34), and the threaded movable platform (35) slidably connected to the connecting groove tube (33).

6. The membrane filter press equipment for crystalline silicon production wastewater according to claim 5, characterized in that: The top of the threaded movable platform (35) is fixedly connected to two electric telescopic rods (36), the output ends of the two electric telescopic rods (36) are fixedly connected to a U-shaped cleaning plate (37), the top of the U-shaped cleaning plate (37) is fixedly connected to a water pump (38), and the output end of the water pump (38) and located inside the U-shaped cleaning plate (37) are fixedly connected to two multi-head high-pressure water pipes (39).

7. The membrane filter press equipment for crystalline silicon production wastewater according to claim 6, characterized in that: The top of the U-shaped cleaning plate (37) is fixedly connected to a second fixed box (390), the interior of the second fixed box (390) is fixedly connected to a second sliding rheostat (311), one side of a sliding sheet inside the second sliding rheostat (311) is fixedly connected to a limiting connection plate (312), the limiting connection plate (312) is slidably connected to the second fixed box (390), the bottom of the second fixed box (390) and located inside the U-shaped cleaning plate (37) are fixedly connected to two fixing rods (313), the outsides of the two fixing rods (313) and located between the limiting connection plate (312) and the U-shaped cleaning plate (37) are sleeved with a third spring (314), the bottom of the fixing rods (313) are fixedly connected to a pressing plate (315), and the bottom of the U-shaped cleaning plate (37) and located outside the fixing rods (313) are fixedly connected to a cleaning pipe sleeve (316).

8. The membrane filter press equipment for crystalline silicon production wastewater according to claim 7, characterized in that: Two limit rods (317) are symmetrically slidably connected inside the U-shaped cleaning plate (37); one end of the two limit rods (317) is fixedly connected to a shift connection plate (319); one end of the limit rod (317) away from the shift connection plate (319) is fixedly connected to a cleaning plate (320); a fourth spring (318) is sleeved on the outside of the limit rod (317) and located between the shift connection plate (319) and the U-shaped cleaning plate (37); two fifth electromagnets (321) are fixedly connected inside the U-shaped cleaning plate (37) and located on one side of the shift connection plate (319); and a sixth electromagnet (322) is fixedly connected inside the shift connection plate (319) and located on one side of the fifth electromagnet (321).

9. The membrane filter press equipment for crystalline silicon production wastewater according to claim 1, characterized in that: The pressure regulating mechanism (4) comprises a protection box (41) fixedly connected to one side of the membrane filter press body (1); an inlet pipe (42) is fixedly connected to the interior of the protection box (41); an electromagnetic valve (43) is provided inside the inlet pipe (42); and a plurality of connecting pipes (44) are fixedly connected to the bottom of the inlet pipe (42) at equal intervals.

10. The membrane filter press equipment for crystalline silicon production wastewater according to claim 1, characterized in that: The displacement mechanism (5) comprises a third fixed box (51) fixedly connected to one side of the membrane filter press body (1); a second motor (52) is fixedly connected inside the third fixed box (51); a second reciprocating screw rod (53) is fixedly connected to the output end of the second motor (52); a plate pulling trolley (54) is threadedly connected to the outer side of the second reciprocating screw rod (53); and the plate pulling trolley (54) is slidably connected to the third fixed box (51).

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