Intelligent flexible dynamic balance two-phase state separation system

Abstract

The application relates to an intelligent flexible dynamic balance two-phase state separation system, which comprises a rack, one end of the rack is provided with a thrust plate, the other end is provided with a pressing plate, one side of the pressing plate is provided with a pressing oil cylinder, and a plurality of filter units are further arranged on the rack, each filter unit comprises two oppositely arranged stainless steel sheets and a plate frame fixed around the stainless steel sheets, the stainless steel sheets can be flexibly deformed, a gap exists between the two stainless steel sheets to form a pressing cavity, a pressing hole communicating with the pressing cavity is formed in one end of the plate frame, injection cavities are formed on the two sides of the stainless steel sheets, and a feed liquid is communicated with the injection cavities through a feed pipe; a pressure monitoring module comprises a pressure sensor arranged on each plate frame and facing the injection cavity and an alarm fixed outside the plate frame, the pressure sensor is connected with an upper computer, and a pressure difference threshold value of the injection cavity is preset in the upper computer. The application has the effect of reducing the probability of the filter unit being broken due to excessive pressure difference.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of separation systems, in particular to an intelligent flexible dynamic balance two-phase state separation system. BACKGROUND

[0002] The separation system refers to the separation of impurities and water in sludge, and the formation of filter cake, so as to facilitate the transportation and final treatment of sludge.

[0003] The filter press is a common separation system. The existing filter press mainly consists of a fixed plate, a filter frame, a filter plate, a pressing plate and a pressing device. A plurality of filter plates and filter frames are alternately arranged, and a filter medium (such as filter cloth) is clamped between the plates and the frames to form a material injection cavity. The filter plate is mainly a metal filter plate or a plastic filter plate, which mainly includes a main body and rubber diaphragms fixed on both sides of the main body, and a pressing cavity is formed between the two rubber diaphragms. At present, the main body in the center of the filter plate is rigid. The center of each filter plate is provided with an injection hole, and when the injection hole is blocked, the individual injection cavity will appear injection not material or slow injection, which will cause uneven pressure in each chamber, and the pressure difference between adjacent injection cavities will easily pass through the rubber diaphragm to the main body, causing the main body to break. SUMMARY

[0004] In order to reduce the probability of the main body breaking due to excessive pressure difference, the present application provides an intelligent flexible dynamic balance two-phase state separation system.

[0005] The intelligent flexible dynamic balance two-phase state separation system provided by the present application adopts the following technical scheme:

[0006] An intelligent flexible dynamic balance two-phase state separation system, comprising a rack, one end of the rack is provided with a thrust plate, the other end is provided with a pressing plate, one side of the pressing plate is provided with a pressing oil cylinder for pushing the pressing plate to move towards the thrust plate, further comprising:

[0007] A plurality of filter units distributed along the length direction of the rack, each filter unit comprises two oppositely arranged stainless steel sheets and a plate frame fixed around the stainless steel sheets, the stainless steel sheets can be flexibly deformed, and a gap exists between the two stainless steel sheets to form a pressing cavity, the plate frame is provided with a pressing hole at one end, which is in communication with the pressing cavity, the two sides of the stainless steel sheet form an injection cavity, and the liquid is communicated with the injection cavity through the feeding pipe;

[0008] A pressure monitoring module, comprising a pressure sensor arranged on each plate frame towards the injection cavity side and an alarm fixed outside the plate frame, the pressure sensor is connected with an upper computer, and the upper computer is pre-set with a pressure difference threshold of the injection cavity.

[0009] By adopting the technical scheme, the structure of the traditional filter plate is changed, the original rigid main body in the middle is cancelled, and two stainless steel sheets with certain supporting property and flexibility are replaced, the stainless steel sheet plays a role similar to the rubber diaphragm in the traditional filter plate, and with the injection of liquid into the pressing cavity, the stainless steel sheet is deformed to further extrude the filter cake; and when the feed pipe or the upstream injection cavity is blocked, the pressure difference between the adjacent two injection cavities is too large, the stainless steel sheet is reversely extruded, the stainless steel sheet is deformed towards the inside of the pressing cavity, the deformation ability of the stainless steel sheet itself is utilized, the dynamic balance of the pressure in the injection cavity and the pressing cavity is realized, when the injection cavity is blocked to cause uneven stress in the injection cavity, the influence on the stainless steel sheet is reduced, and the probability of cracking of the stainless steel sheet caused by pressure is reduced; the pressure sensor is installed on the plate frame of each filter unit, the pressure in each injection cavity is detected, when the pressure sensor detects that the pressure in the injection cavity is higher than the high pressure threshold value preset in the upper computer or lower than the low pressure threshold value preset in the upper computer, the upper computer controls the whole machine to stop urgently or sends an alarm signal to remind the staff to handle, and the probability of damage of the filter unit caused by uneven pressure in each injection cavity is reduced.

[0010] Preferably, the shape of the stainless steel sheet is C-shaped, and the two stainless steel sheets are symmetrically arranged.

[0011] The plate frame comprises a pressing frame fixed in the middle of the stainless steel sheet for connecting the two stainless steel sheets, a first fixed frame fixed on one side of the pressing frame, and a second fixed frame fixed on the other side of the pressing frame, the pressing hole is arranged on the pressing frame, and the first fixed frame and the second fixed frame are respectively fixed on the smooth arc segments of the two stainless steel sheets.

[0012] By adopting the technical scheme, the two C-shaped stainless steel sheets are symmetrically arranged, the gap between the two stainless steel sheets forms a pressing cavity which is flat and has uniform gap at each position, and the two sides of the two C-shaped stainless steel sheets naturally form injection cavities, and the smooth arc segments on the two sides of the C-shaped stainless steel sheet also serve as the support body of the plate frame to control the overall width of the filter plate; the plate frame is divided into three parts, which facilitates firm fixation and convenient disassembly of the C-shaped stainless steel sheet, each part of the plate frame is connected with the stainless steel sheet, the overall flexible deformation ability of the filter unit at each position is ensured, and the probability of cracking of the filter unit caused by extrusion is reduced.

[0013] Preferably, the first fixed frame or the second fixed frame is provided with an injection port and a drainage port, the injection port and the drainage port are arranged on the same frame body and penetrate the stainless steel sheet, and the feed pipe is communicated with a plurality of branch pipelines communicated with the injection port.

[0014] By adopting the technical scheme, the traditional unified injection form is converted into a single-cavity injection form, the injection in each injection cavity is independent and is not affected by the blockage of other injection cavities, the situation that the downstream injection is blocked due to the blockage of the upstream injection port can be effectively improved, and the probability that the stainless steel sheet is affected due to the uneven pressure in the injection cavity is further reduced.

[0015] Preferably, the width of the first fixed frame / second fixed frame provided with the injection port and the drainage port is greater than the width of the squeezing frame and the second fixed frame / first fixed frame.

[0016] By adopting the technical scheme, since many blocky substances are doped in the material liquid, in order to facilitate the rapid flow of the material liquid and reduce the probability that the injection port is blocked, the injection port is provided to be relatively wide, and the width of the first fixed frame / second fixed frame provided with the injection port and the drainage port is set to be relatively wide, so as to facilitate the feeding of the material liquid and the drainage of the moisture.

[0017] Preferably, a dynamic pressure stabilizing device for dynamically balancing the pressure in the injection cavity and the pressure in the squeezing cavity is arranged on each branch pipeline.

[0018] The dynamic pressure stabilizing device comprises a first container connected to the feeding pipeline and in communication with the inside of the feeding pipeline and a second container fixed in the inside of the first container, the first container and the second container are both sealed containers not in communication with the atmospheric pressure, the second container is in communication with the squeezing cavity through a pressure stabilizing pipeline, and the second container contains liquid or gas in the inside and comprises at least one flexible side wall capable of being deformed.

[0019] By adopting the technical scheme, when the material liquid is conveyed in the feeding pipeline, part of the material liquid flows into and fills the first container, and maintains a constant pressure in the first container, when the pressure in the feeding pipeline is too large, the pressure in the first container is also increased, so as to extrude the flexible side wall of the second container, make the second container deformed to extrude the liquid or gas in the inside into the squeezing cavity, so that the pressure in the injection cavity and the pressure in the squeezing cavity are dynamically balanced, and vice versa, the protection and balance of the filter unit are realized.

[0020] Preferably, the second container is made of soft plastic material, and the second container is in the shape of a water drop with a narrow upper part and a wide lower part.

[0021] By adopting the technical scheme, the speed of the deformation of the second container extruded by the material liquid is also faster, the second container is in the shape of a water drop with a narrow upper part and a wide lower part, the second container is better stressed when extruded by the material liquid, and the liquid or gas in the second container can be extruded into the squeezing cavity more quickly.

[0022] Preferably, the frame is further provided with a locking device for limiting the piston rod after the piston rod stops, the locking device comprising:

[0023] a locking ring sleeved on the piston rod, a locking groove being formed on the sidewall of the locking ring;

[0024] a locking block, an end of the locking block being provided with a locking protrusion for cooperating with the locking groove;

[0025] a driving assembly installed on the frame and connected with the locking block at an end, the driving assembly being used for extending when the piston stops and the extension direction of the driving assembly being perpendicular to the axis of the piston rod;

[0026] a guide member arranged parallel to the piston rod and fixed with the driving assembly at an end away from the locking block, the guide member being provided with a position sensor and being used for driving the locking block to move to be aligned with the locking groove.

[0027] By using the above technical scheme, when the piston rod extends to a specified position and stops, the guide member drives the driving assembly and the locking block to move, and when the position sensor detects that the locking block is aligned with the locking groove, the guide member stops, and the driving assembly drives the locking block to extend, the locking protrusion at the end of the locking block is clamped into the locking groove of the locking ring, thereby limiting the position of the piston rod, reducing the reverse force generated during water injection to cause the piston rod to move back hard, and thereby reducing the probability of damaging the cylinder body of the oil cylinder.

[0028] Preferably, an end of the driving assembly is further provided with a wedge-shaped block, the wedge-shaped block being used for abutting against between the locking block and a mounting plate fixed with the cylinder body of the compression oil cylinder, and one end of the locking block being formed into a wedge surface for cooperating with the wedge-shaped block.

[0029] By using the above technical scheme, after the guide member moves to the position, the driving assembly drives the wedge-shaped block to move, so as to clamp the wedge-shaped block in the space between the locking block and the mounting plate, thereby generating a certain clamping force on the locking block, and facilitating to improve the clamping force between the locking block and the locking ring.

[0030] Preferably, the compression oil cylinder and the pressing cavity are connected to a storage tank of a delivery pump station and are switched by an electric valve of the delivery pump station, and the storage tank contains emulsion.

[0031] By adopting the technical scheme, the medium used by the pressing oil cylinder and the medium used during pressing are both replaced by emulsion, during pressing or squeezing, the electric valve of the corresponding pipeline is opened, and the electric valve of the other pipeline is closed, which can meet the requirements of the material to be pressed or squeezed, realize one-to-two conveying, and save the floor area.

[0032] Preferably, each branch pipeline is provided with a dredging assembly, the dredging assembly comprises a storage bag containing dredging liquid, a metal block fixed at the bag opening of the storage bag, and an electromagnetic block provided on the pipeline wall of the branch pipeline for adsorbing the metal block, the electromagnetic block is connected to a power supply through a transmission cable, and an electromagnetic valve electrically connected to the upper computer is installed on the transmission cable, the dredging liquid is a chemical liquid capable of decomposing the material liquid, and the electromagnetic valve is used to disconnect when the pressure difference between adjacent two material injection cavities exceeds the pressure difference threshold.

[0033] By adopting the technical scheme, when the material liquid is normally conveyed, the metal block and the electromagnetic block are adsorbed together to block the bag opening of the storage bag, and the chemical liquid is sealed inside the storage bag, when the pressure sensor detects that the pressure difference between adjacent two material injection cavities reaches the pressure difference threshold preset in the upper computer, the corresponding electromagnetic valve is controlled to be disconnected, so that the magnetism of the electromagnetic block disappears, the adsorption force between the metal block and the electromagnetic block is eliminated, so that the storage bag falls under the action of gravity, and the bag opening of the storage bag is opened after the metal block and the electromagnetic block are disconnected, so that the chemical liquid inside falls out during the falling process, decomposes the large volume agglomerated block, and the material liquid can continue to be conveyed from the material injection port.

[0034] In summary, the present application has at least one of the following beneficial technical effects:

[0035] 1. The present application cancels the rigid body of the filter plate, and sets the filter plate as two stainless steel sheets with a gap in the middle, the gap between the two stainless steel sheets as a squeezing cavity, and the stainless steel sheet as a support body of the filter plate and a deformation body equivalent to a rubber diaphragm, which utilizes the support and flexibility of the stainless steel sheet itself to facilitate deformation outward during pressing and deformation inward when the pressure in the material injection cavity is too large, realizes dynamic balance of the pressure in the material injection cavity and the squeezing cavity, reduces the influence on the stainless steel sheet when the material injection cavity is blocked and causes uneven stress in the material injection cavity, and reduces the probability of cracking of the stainless steel sheet under pressure;

[0036] 2. By installing dynamic pressure stabilizing device on each branch pipe, when the pressure in the branch pipe increases, the pressure in the injection cavity also increases, and the pressure of the liquid in the first container also increases, thereby extruding the flexible side wall of the second container, so that the emulsion in the second container is extruded into the pressing cavity, the pressure in the pressing cavity and the pressure in the injection cavity reach dynamic balance, and the protection of the filter unit is realized.

[0037] 3. By fixing the locking ring on the piston rod, and setting the locking block for clamping with the locking groove on the locking ring after the piston rod stops and the wedge block for abutting between the locking block and the mounting plate, the radial clamping of the piston rod is realized, the movement of the piston rod in the axial direction is limited, the reverse force generated during water injection is reduced, and the piston rod is hard to move back, thereby reducing the probability of damage to the pressing oil cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 is the overall structure schematic diagram of the present application.

[0039] Figure 2 is the cross-sectional structure schematic diagram of the filter unit.

[0040] Figure 3 is the structure schematic diagram of the dredging assembly.

[0041] Figure 4 is the structure schematic diagram of the dynamic pressure stabilizing device.

[0042] Figure 5 is the structure schematic diagram of the locking device.

[0043] Figure 6 is the cross-sectional structure schematic diagram made for the shape of the locking block.

[0044] Figure 7 is the structure schematic diagram of the delivery pump station.

[0045] Figure 8 is the cross-sectional structure schematic diagram of the scraping sharp corner.

[0046] Explanation of reference signs: 1, rack; 2, thrust plate; 3, pressing plate; 4, pressing oil cylinder; 41, piston rod; 5, mounting plate; 6, filter unit; 61, stainless steel sheet; 62, plate frame; 621, pressing frame; 6211, pressing hole; 622, first fixed frame; 6221, material injection port; 6222, drainage port; 623, second fixed frame; 624, pressing cavity; 625, material injection cavity; 7, feed pipe; 8, branch pipe; 9, pressure monitoring module; 91, pressure sensor; 92, alarm; 10, dredging assembly; 101, storage bag; 102, metal block; 103, electromagnetic block; 104, transmission cable; 105, electromagnetic valve; 11, dynamic pressure stabilizing device; 111, first container; 112, second container; 113, connecting top end; 114, reinforcing rib; 115, pressure stabilizing pipe; 116, replenishment pipe; 117, replenishment valve; 118, first liquid level meter; 12, locking device; 121, locking ring; 1211, locking groove; 122, locking block; 1221, locking protrusion; 123, guide piece; 124, driving assembly; 1241, first driving piece; 1242, second driving piece; 125, wedge-shaped block; 13, conveying pump station; 131, storage tank; 132, main pipe; 133, first branch pipe; 134, second branch pipe; 135, power pump; 136, first electric valve; 137, second electric valve; 138, first flow meter; 139, second flow meter; 14, stirring assembly; 141, stirring motor; 142, stirring rod; 143, stirring blade; 1431, tangential inclined surface; 144, scraping acute angle; 1441, guide inclined surface; 145, second liquid level meter. DETAILED DESCRIPTION

[0047] The following will be described in detail below with reference to the accompanying drawings Figures 1-8 The present application is further described in detail.

[0048] The embodiment of the present application discloses an intelligent flexible dynamic balance two-phase state separation system. Referring to Figure 1 The intelligent flexible dynamic balance two-phase state separation system comprises a rack 1, one end of the rack 1 is provided with a thrust plate 2, the other end is provided with a pressing plate 3, one side of the pressing plate 3 is provided with a pressing oil cylinder 4 which drives the pressing plate 3 to move towards the thrust plate 2. The top of the rack 1 is provided with two slide rods which extend in the length direction of the rack 1, the two slide rods are arranged in parallel, and a plurality of filter units 6 which are arranged in sequence are slidably arranged on the slide rods, and the pressing plate 3 is also slidably connected to the slide rods.

[0049] Referring to Figure 1 and Figure 2Each filter unit 6 comprises two oppositely arranged stainless steel sheets 61 and a plate frame 62 fixed around the stainless steel sheets 61. The stainless steel sheets 61 can be flexibly deformed, and a gap exists between the two stainless steel sheets 61 to form a pressing cavity 624. The plate frame 62 is provided with a pressing hole 6211 at one end, which is in communication with the pressing cavity 624. The two sides of the stainless steel sheets 61 form injection cavities 625, and the feed liquid enters the injection cavities 625 through the feed pipe 7. The use of two stainless steel sheets 61 with certain support and flexibility can cancel the original rigid body, and the stainless steel sheets 61 themselves have the ability to produce flexible deformation, and the stainless steel sheets 61 play a role similar to the rubber diaphragm in the traditional filter plate. With the injection of liquid into the pressing cavity 624, the stainless steel sheets 61 are deformed outward to further extrude the filter cake. When the feed pipe 7 or the upstream injection cavity 625 is blocked, the pressure difference between the two adjacent injection cavities 625 is too large, and the stainless steel sheets 61 are reversely extruded, so that the stainless steel sheets 61 are deformed inwardly to the pressing cavity 624, thereby achieving dynamic balance of the pressure in the injection cavities 625 and the pressing cavity 624.

[0050] In order to improve the flexible deformation ability of the stainless steel sheets 61 while ensuring the support ability of the stainless steel sheets 61, the thickness of the stainless steel sheets 61 is 0.1mm-10mm.

[0051] With reference to Figure 2 The plate frame 62 is bonded with the stainless steel sheets 61 and fixed by screws, which facilitates the connection of the plate frame 62 and the stainless steel sheets 61 and facilitates the replacement of the stainless steel sheets 61 in the later period. Specifically, the plate frame 62 comprises a pressing frame 621 fixed in the middle of the stainless steel sheets 61 for connecting the two stainless steel sheets 61, a first fixed frame 622 fixed on one side of the pressing frame 621, and a second fixed frame 623 fixed on the other side of the pressing frame 621. The pressing hole 6211 is formed in the pressing frame 621. The shape of the stainless steel sheets 61 is C-shaped, and the two stainless steel sheets 61 are symmetrically arranged, so that the gap between the two stainless steel sheets 61 forms a flat and uniform gap pressing cavity 624, and the two sides of the C-shaped stainless steel sheets 61 naturally form injection cavities 625, and the smooth arc segments on both sides of the C-shaped stainless steel sheets 61 also serve as the support of the plate frame 62 to control the overall width of the filter unit 6. In order to reduce the probability of fracture of the filter unit 6 under extrusion, the first fixed frame 622 and the second fixed frame 623 are respectively fixed on the smooth arc segments of the two stainless steel sheets 61, so that each part of the plate frame 62 is connected with the stainless steel sheets 61, and the overall flexible deformation ability of the filter unit 6 at each position is ensured.

[0052] Further, the first fixed frame 622 or the second fixed frame 623 is provided with a feeding opening 6221 and a drainage opening 6222. The feeding opening 6221 and the drainage opening 6222 are provided on the same frame and penetrate the stainless steel sheet 61. During feeding, the feeding pipe 7 is connected to the feeding opening 6221 of each filter unit 6 through a plurality of branch pipes 8 to feed each feeding cavity 625 independently. The application converts the traditional unified feeding form into a single-cavity feeding form. The feeding in each feeding cavity 625 is independent and is not affected by the blockage of other feeding cavities 625, avoiding the uneven force in each feeding cavity 625 caused by the blockage of the front feeding opening 6221 in the traditional form, and further reducing the probability of cracking of the stainless steel sheet 61 caused by uneven pressure in the feeding cavity 625.

[0053] Since the material liquid contains many block-shaped substances, in order to meet the requirement of rapid feeding of the feeding opening 6221, the width of the first fixed frame 622 / second fixed frame 623 provided with the feeding opening 6221 and the drainage opening 6222 is greater than the width of the pressing frame 621 and the second fixed frame 623 / first fixed frame 622, so as to facilitate the feeding of the material liquid and the drainage of water. The application is only described by taking the first fixed frame 622 provided with the feeding opening 6221 and the drainage opening 6222 as an example.

[0054] In order to know whether the feeding cavity 625 is blocked in time, the application further includes a pressure monitoring module 9. The pressure monitoring module 9 includes a pressure sensor 91 provided on each plate frame 62 towards the side of the feeding cavity 625 and an alarm 92 fixed outside the plate frame 62. The pressure sensor 91 is connected to the upper computer. The upper computer is pre-set with a pressure difference threshold between the feeding cavities 625. When the highest pressure and the lowest pressure in the multiple feeding cavities 625 exceed the pre-set pressure difference threshold, the upper computer controls the alarm 92 to alarm and controls the machine to stop urgently. The application takes the alarm 92 as an audible and visual alarm, and multiple audible and visual alarms are installed on the same side of the plate frame 62 as an example.

[0055] Referring to Figure 3In order to dredge the branch pipe 8 in time when the blockage occurs on the feeding pipe 7 or the plurality of branch pipes 8, but the pressure difference in each injection cavity 625 has not reached the pressure difference threshold value, the dredging assembly 10 is arranged in each branch pipe 8. The dredging assembly 10 comprises a storage bag 101 containing dredging liquid, a metal block 102 fixed at the bag opening of the storage bag 101, and an electromagnetic block 103 arranged on the pipe wall of the branch pipe 8 and used for adsorbing the metal block 102. The dredging liquid is a chemical liquid capable of producing a decomposition reaction with the material liquid. The metal block 102 is circumferentially provided with a ring around the bag opening of the storage bag 101. When the material liquid is normally conveyed, the metal block 102 and the electromagnetic block 103 are adsorbed together to seal the bag opening of the storage bag 101, and the chemical liquid is sealed in the storage bag 101. The electromagnetic block 103 is connected to a power supply through a transmission cable 104, and the transmission cable 104 is provided with an electromagnetic valve 105 electrically connected to the upper computer. When the pressure sensor 91 detects that the pressure difference between the adjacent two injection cavities 625 reaches the upper computer preset dredging threshold value, the upper computer controls the electromagnetic valve 105 corresponding to the smaller pressure injection cavity 625 to be disconnected, so that the magnetism of the electromagnetic block 103 disappears, the adsorption force between the metal block 102 and the electromagnetic block 103 is eliminated, and the storage bag 101 falls under the action of gravity. After the metal block 102 and the electromagnetic block 103 are disconnected, the bag opening of the storage bag 101 is open, so that the chemical liquid inside is poured out during the falling process, and the large-volume agglomerates are decomposed, so that the material liquid can continue to be conveyed from the injection port 6221.

[0056] Because a large amount of gas is generated when the chemical liquid and the large-volume agglomerates in the material liquid decompose, part of the generated gas is combined with water and discharged from the drain port 6222 on the plate frame 62 together with the water, but when the amount of generated gas is greater than the maximum solubility of water in the material liquid, the problem of uneven stress in the injection cavity 625 will be aggravated. Therefore, the one-way exhaust valve (not shown in the figure) is arranged on the branch pipe 8. The one-way exhaust valve is used to open after the corresponding electromagnetic valve 105 is disconnected to assist the gas to be discharged, and the one-way exhaust valve can only make the gas be discharged and cannot make the external gas enter the injection cavity 625, so as not to affect the pressure in the injection cavity 625.

[0057] Because the contact surface of the electromagnetic block 103 and the metal block 102 are soaked in the material liquid for a long time, in order to protect the performance of the electromagnetic block 103 and the metal block 102 and the magnetic adsorption capacity between the electromagnetic block 103 and the metal block 102, a waterproof coating is coated on the surfaces of the electromagnetic block 103 and the metal block 102.

[0058] Referring to Figure 4In order to balance the pressure between the injection cavity 625 and the pressing cavity 624, further reduce the probability of damaging the filter unit 6, a dynamic pressure stabilizing device 11 is installed on each branch pipe 8.

[0059] The dynamic pressure stabilizing device 11 comprises a first container 111 connected to the branch pipe 8 and communicating with the inside of the branch pipe 8, and a second container 112 fixedly installed inside the first container 111 and communicating with the pressing cavity 624 through a stabilizing pipe 115. The first container 111 and the second container 112 are both not communicated with the atmospheric pressure. The second container 112 contains a liquid or gas used during pressing inside, and the second container 112 at least comprises a flexible side wall which can be deformed. When the feed liquid is transported in the branch pipe 8, part of the feed liquid enters and fills the first container 111, and maintains a constant pressure same as the pressure in the feed pipe 7 in the first container 111. When the pressure in the branch pipe 8 is too large, the pressure in the first container 111 is also increased accordingly, so as to extrude the flexible side wall of the second container 112, compress the space in the second container 112, so that the liquid or gas in the second container 112 enters the pressing cavity 624, so that the pressure in the injection cavity 625 and the pressure in the pressing cavity 624 reach dynamic balance, and vice versa, to protect the filter unit 6.

[0060] The first container 111 can be a rigid container or a flexible container. In order to facilitate the rapid transmission of the pressure in the first container 111 to the second container 112, so as to rapidly balance the pressure in the injection cavity 625 and the pressing cavity 624, the first container 111 is set as a rigid container with unchangeable volume.

[0061] In order to facilitate the processing and manufacturing of the second container 112, the second container 112 of the application is a sealed bin integrally manufactured by using soft plastic material, which is convenient for processing and also saves manufacturing cost. This design also makes each side wall of the second container 112 a flexible side wall, so that the second container 112 becomes a flexible container as a whole, and the deformation speed of the second container 112 when extruded by the feed liquid is also faster.

[0062] In order to further accelerate the deformation speed of the second container 112 when extruded by the feed liquid, the first container 111 and the second container 112 are both vertically arranged with the branch pipe 8, and the second container 112 is arranged in a water drop shape with narrow top and wide bottom, so as to facilitate the second container 112 to deform faster when extruded by the feed liquid in the first container 111, so as to extrude the liquid or gas in the second container 112 into the pressing cavity 624 more quickly, and rapidly balance the pressure of the injection cavity 625 and the pressing cavity 624.

[0063] The pressure stabilizing pipe 115 is connected to the connecting top 113 of the second container 112, and the connecting top 113 protrudes from the top of the first container 111 to facilitate the connection of the pressure stabilizing pipe 115. Since the second container 112 has a flexible sidewall, in order to maintain the shape of the connecting top 113 and the connection strength between the connecting top 113 and the pressure stabilizing pipe 115, a reinforcing member is also fixed to the connecting top 113. In this embodiment, the reinforcing member can be selected by fixing multiple reinforcing ribs 114 extending along the height direction of the connecting top 113 and spaced apart around the axis of the connecting top 113 on the sidewall of the connecting top 113, or it can be selected by fitting a fixing reinforcing ring onto the connecting top 113.

[0064] Reference Figure 1 and Figure 5 Since the reverse force generated when the pressure in the injection chamber 625 increases during pressing is transmitted to the cylinder body of the pressing cylinder 4 through the piston rod 41, it is easy to cause the piston rod 41 to move back hard, thereby damaging the pressing cylinder 4. At the same time, the movement of the piston rod 41 will also affect the pressing force between the filter units 6. Therefore, this application also includes a locking device 12 for limiting the piston rod 41 after it stops.

[0065] The locking device 12 includes a locking ring 121 sleeved and fixed on the piston, a locking block 122 disposed on one side of the piston rod 41 for engaging with the locking ring 121, a guide 123 for moving the locking block 122 to align the locking block 122 and the locking ring 121, and a drive assembly 124 fixed on the guide 123 for extending the locking block 122. A circumferential locking groove 1211 is machined on the side wall of the locking ring 121, and a locking protrusion 1221 is machined at the end of the locking block 122 (the end furthest from the drive assembly 124) for extending into the locking groove 1211 to achieve locking. The drive assembly 124 is set perpendicular to the piston rod 41. The guide 123 is fixed on the frame 1 and parallel to the piston rod 41. An alignment sensor is installed on the guide 123 to control the guide 123 to stop when the locking protrusion 1221 is aligned with the locking groove 1211. Then, the drive assembly 124 is controlled to extend and engage the locking protrusion 1221 into the locking groove 1211.

[0066] Reference Figure 5 and Figure 6 Multiple sets of locking grooves 1211 are spaced apart along the extension direction of locking ring 121, and multiple locking protrusions 1221 are also spaced apart accordingly. The shape of locking protrusions 1221 is designed to fit the arc surface of locking ring 121, which facilitates increasing the contact area between locking protrusions 1221 and locking grooves 1211 and improving locking strength.

[0067] The driving assembly 124 has a wedge-shaped block 125 fixed at the end thereof. Specifically, the driving assembly 124 comprises a first driving member 1241 connected with the locking block 122 and a second driving member 1242 connected with the wedge-shaped block 125. After the first driving member 1241 pushes the locking block 122 to be clamped with the locking ring 121, the second driving member 1242 is started to drive the wedge-shaped block 125 to be inserted and abutted between the locking block 122 and the mounting plate 5 of the fixed pressing cylinder 4. One end of the locking block 122 is processed into a wedge surface matched with the wedge-shaped block 125, so as to improve the locking ability of the locking block 122 to the locking ring 121 and improve the limiting strength to the piston rod 41. By clamping in the radial direction of the piston rod 41 to limit the position of the piston rod 41 in the axial direction, the reverse force generated during water injection can be effectively reduced to cause the piston rod 41 to be hard to move back, thereby reducing the probability of damaging the pressing cylinder 4. The application only uses the electric sliding rail for the guide member 123, and the first driving member 1241 and the second driving member 1242 are both electric push rods.

[0068] With reference to Figure 5 In order to improve the locking force of the wedge-shaped block 125 to the locking block 122, the wedge-shaped block 125 is interference-fitted in the space between the locking block 122 and the mounting plate 5, and the top end of the wedge-shaped block 125 is flush with the top end of the mounting plate 5. The locking device 12 is distributed on both sides of the piston rod 41 to enhance the limiting effect on the piston rod 41.

[0069] With reference to Figure 1 and Figure 7 In order to unify the medium used during the pressing and squeezing of the pressing cylinder 4 and reduce the occupied space, the application uses emulsion for the medium used for pressing and squeezing, and uses an integrated delivery pump station 13 for delivery. Specifically, the integrated delivery pump station 13 comprises a storage tank 131 containing emulsion, a main pipeline 132 connected to the storage tank 131, a first branch pipeline 133 and a second branch pipeline 134 formed at one end of the main pipeline 132 away from the storage tank 131, a power pump 135 installed on the main pipeline 132, a first electric valve 136 installed on the first branch pipeline 133 and connected to the pressing cylinder body at the end thereof, a second electric valve 137 installed on the second branch pipeline 134, and the second branch pipeline 134 connected to the squeezing cavity 624 through a plurality of branch pipelines 8. When the pressing cylinder 4 is pressed, the power pump 135 and the first electric valve 136 are opened, and the second electric valve 137 is closed, so that the emulsion is introduced into the pressing cylinder 4 to press the plurality of filter units 6. When squeezing, the power pump 135 and the second electric valve 137 are opened, and the first electric valve 136 is closed, so that the emulsion is introduced into the squeezing cavity 624 through the branch pipeline 8. The medium used for pressing and squeezing is replaced by emulsion, realizing integrated delivery and saving land area.

[0070] Further, since the pressure required during pressing is greater than the pressure required during compacting, in order to facilitate monitoring and adjusting the delivery pressure of the emulsion in the first branch pipe 133 and the second branch pipe 134, a first flow meter 138 is installed on the first branch pipe 133, a second flow meter 139 is installed on the second branch pipe 134, and the first electric valve 136 and the second electric valve 137 are both electric regulating valves whose opening degree can be adjusted. The electric regulating valves, the first flow meter 138 and the second flow meter 139 are all connected to a controller. The controller has preset pressure standard values of the first branch pipe 133 and the second branch pipe 134 respectively, and controls the first branch pipe 133 and the second branch pipe 134 to reach appropriate delivery pressure by monitoring the first flow meter 138 and the second flow meter 139 and adjusting the opening degree of the electric regulating valves on the respective branch pipes according to the monitoring results.

[0071] Further, since the amount of emulsion required during pressing is greater than the amount of emulsion required during compacting, the pipe diameter of the second branch pipe 134 is designed to be greater than that of the first branch pipe 133 in the present application, so as to facilitate rapid delivery and improve the pressing efficiency.

[0072] The medium in the second container 112 is also emulsion, and the second container 112 is connected to a storage tank 131 through a feeding pipe 116. Further, a first liquid level meter 118 is installed in the second container 112, and when the first liquid level meter 118 detects that the liquid level of the emulsion in the second container 112 is lower than a first liquid level threshold preset in the upper computer, the feeding valve 117 on the feeding pipe 116 is controlled to open, and the feeding to the second container 112 is stopped after the liquid level in the second container 112 reaches the position. A second liquid level meter 145 is also installed in the storage tank 131 to monitor the liquid level of the emulsion in the storage tank 131 in real time and transmit the detection signal to the upper computer, so as to remind the staff to supplement in time when the liquid level in the storage tank 131 is insufficient.

[0073] Referring to Figure 7 Since the emulsion stored in the storage tank 131 for too long time is prone to be unstable, or to produce sediment or to have uneven density from top to bottom, the present application further installs a stirring assembly 14 in the storage tank 131 for periodically stirring and mixing the emulsion.

[0074] Specifically, the stirring assembly 14 comprises a stirring motor 141 fixed on the top plate of the storage tank 131, a stirring rod 142 fixed on the output shaft of the stirring motor 141, and a plurality of stirring blades 143 fixed on the stirring rod 142. The plurality of stirring blades 143 are arranged in multiple groups along the length direction of the stirring rod 142, and each group of stirring blades 143 is arranged at least two around the axis of the stirring rod 142. In this application, the stirring blades 143 are vertically fixed on the side wall of the stirring rod 142, arranged in three groups along the length direction of the stirring rod 142, and arranged in two around the axis of the stirring rod 142. Preferably, the stirring blade 143 located at the end of the stirring rod 142 away from the stirring motor 141 abuts against the bottom surface of the storage tank 131, so that the bottom surface of the stirring blade 143 can scrape the sediment deposited on the bottom surface of the storage tank 131 when the stirring blade 143 rotates, and the emulsion can be uniformly mixed during the stirring process, thereby improving the mixing effect of the emulsion.

[0075] With reference to Figure 7 and Figure 8 , in order to more conveniently scrape the sediment deposited on the bottom surface of the storage tank 131, the stirring blade 143 located at the bottom of the stirring rod 142 is fixed with a scraping sharp corner 144, which is fixed on the rotating front side of the stirring blade 143 and extends along the length direction of the stirring blade 143. The scraping sharp corner 144 is arranged at an angle of 75°-89° with the side wall of the stirring blade 143, and the tip of the scraping sharp corner 144 abuts against the bottom surface of the storage tank 131. When the stirring blade 143 rotates, the scraping sharp corner 144 first scrapes the sediment, and then the emulsion is uniformly mixed by the stirring blade 143, thereby further improving the stirring effect of the stirring assembly 14. More preferably, the top surface of the scraping sharp corner 144, i.e. the side away from the bottom surface of the storage tank 131, is designed as a guide inclined surface 1441, which facilitates upward guiding of the scraped sediment and uniform mixing of the emulsion.

[0076] In order to avoid the probability of hard contact between the scraping sharp corner 144 and the storage tank 131 when the scraping sharp corner 144 scrapes the sediment, and the probability of wear of the scraping sharp corner or the storage tank 131, the scraping sharp corner 144 is made of urethane material with certain flexibility.

[0077] The end of each stirring blade 143 away from the stirring rod 142 is cut into a tangential inclined surface 1431, and the tangential inclined surfaces 1431 of the ends of the two stirring blades 143 at the same height position are arranged in opposite directions, so as to improve the tangential force of the stirring blade 143 and improve the mixing effect of the emulsion.

[0078] The implementation principle of the embodiment of the intelligent flexible dynamic balance two-phase state separation system is as follows: starting the device, opening the dynamic force pump 135 and the first electric valve 136, and closing the second electric valve 137, the emulsion in the storage tank 131 is introduced into the pressure cylinder 4, so that the piston rod 41 is extended, and the compression of the plurality of filter units 6 is performed. When the plurality of filter units 6 are compressed to a set pressure, the host computer controls the first electric valve 136 to be closed, and the piston rod 41 is stopped. Then the guide 123 is controlled to be started, and when the locking block 122 detects that the locking convex block 1221 at the end of the locking block 122 is aligned with the locking groove 1211, the guide 123 controls the driving assembly 124 and the locking block 122 to stop. Then control two first driving members 1241 to start, extend the locking block 122 and make the locking convex block 1221 clamped into the locking groove 1211. After the two first driving members 1241 are started, the two second driving members 1242 are controlled to be started to make the wedge-shaped block 125 abut against the locking block 122 and the mounting plate 5, and the position of the piston rod 41 is limited. Then the feed liquid is fed into the injection cavity 625 through the feed pipe 7 and the plurality of branch pipes 8, and the moisture in the feed liquid is discharged from the drain port 6222. When injecting, the pressure sensor 91 detects the pressure in each injection cavity 625. Since the good stainless steel sheet 61 has a deformation ability, when the pressure difference between the injection cavities 625 is too large, the stainless steel sheet 61 can be deformed to dynamically balance the pressure between the injection cavities 625, thereby reducing the probability of breaking of the stainless steel sheet 61. When the pressure between the pressing cavity 624 and the injection cavity 625 is uneven, the dynamic pressure stabilizing device 11 automatically extrudes the emulsion into the pressing cavity 624 to dynamically balance the pressure between the pressing cavity 624 and the injection cavity 625. When a certain branch pipe 8 is blocked, the corresponding injection cavity 625 will not inject feed, and the pressure in the injection cavity 625 is lower. When the pressure sensor 91 detects that the pressure difference between the plurality of injection cavities 625 reaches the defibering threshold, the corresponding branch pipe 8 is controlled to start the defibering assembly and the one-way exhaust valve is opened, so that the storage bag 101 storing the defibering liquid falls, the defibering liquid diffuses into the branch pipe 8, the blocked mass is broken, and the feed liquid continues to be conveyed. When the blocked mass is too large, the defibering assembly is difficult to break, and the pressure difference in the injection cavity 625 reaches the pressure difference threshold preset in the host computer, the host computer controls the alarm 92 to alarm and the machine is stopped urgently. When the injection in each injection cavity 625 is successfully completed and the filtration is completed, the dynamic force pump 135 and the second electric valve 137 are opened, and the first electric valve 136 is closed to perform pressing, so that the filter cake in the injection cavity 625 is further extruded.

[0079] The above are preferred embodiments of the present application, but do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. An intelligent flexible dynamic equilibrium two-phase separation system, comprising a frame (1), wherein a thrust plate (2) is provided at one end of the frame (1) and a clamping plate (3) is provided at the other end, and a clamping cylinder (4) is provided on one side of the clamping plate (3) to push the clamping plate (3) towards the thrust plate (2), characterized in that: Also includes: Multiple filter units (6) are distributed along the length of the frame (1). Each filter unit (6) includes two opposing stainless steel plates (61) and a frame (62) fixed around the stainless steel plates (61). The stainless steel plates (61) can be flexibly deformed, and there is a gap between the two stainless steel plates (61) to form a pressing chamber (624). The frame (62) has a pressing hole (6211) at one end that communicates with the pressing chamber (624). The two sides of the stainless steel plates (61) form a feeding chamber (625), and the liquid material communicates with the feeding chamber (625) through the feed pipe (7). The pressure monitoring module (9) includes a pressure sensor (91) set on each plate frame (62) facing the injection chamber (625) and an alarm (92) fixed outside the plate frame (62). The pressure sensor (91) is connected to the host computer, and the host computer has a preset pressure difference threshold for the injection chamber (625). The pressing cylinder (4) and the pressing chamber (624) are both connected to the storage tank of the conveying pump station (13) and are switched to convey via the electric valve of the conveying pump station (13). The storage tank contains emulsion.

2. The intelligent flexible dynamic equilibrium two-phase separation system according to claim 1, characterized in that: The stainless steel sheet (61) is C-shaped, and the two stainless steel sheets (61) are arranged symmetrically. Each of the plate frames (62) includes a pressing frame (621) fixed in the middle of the stainless steel sheet (61) for connecting the two stainless steel sheets (61), a first fixing frame (622) fixed on one side of the pressing frame (621), and a second fixing frame (623) fixed on the other side of the pressing frame (621). The pressing hole (6211) is opened on the pressing frame (621). The first fixing frame (622) and the second fixing frame (623) are respectively fixed on the smooth arc segments of the two stainless steel sheets (61).

3. The intelligent flexible dynamic equilibrium two-phase separation system according to claim 2, characterized in that: The first fixed frame (622) or the second fixed frame (623) is provided with a filling port (6221) and a drain port (6222). The filling port (6221) and the drain port (6222) are located on the same frame and pass through the stainless steel sheet (61). The feed pipe (7) is connected to a plurality of branch pipes (8) that are connected to the filling port (6221).

4. The intelligent flexible dynamic equilibrium two-phase separation system according to claim 3, characterized in that: The width of the first fixing frame (622) / second fixing frame (623) having the injection port (6221) and the drain port (6222) is greater than the width of the pressing frame (621) and the second fixing frame (623) / first fixing frame (622).

5. The intelligent flexible dynamic equilibrium two-phase separation system according to claim 3, characterized in that: Each of the branch pipes (8) is provided with a dynamic pressure stabilizing device (11) for dynamically balancing the pressure in the injection chamber (625) and the pressing chamber (624); The dynamic pressure stabilizing device (11) includes a first container (111) connected to the feed pipe (7) and communicating with the inside of the feed pipe (7) and a second container (112) fixed inside the first container (111). The first container (111) and the second container (112) are both sealed containers that are not connected to atmospheric pressure. The second container (112) is connected to the pressing chamber (624) through the pressure stabilizing pipe (115). The second container (112) contains liquid or gas and includes at least one flexible sidewall that can be deformed.

6. The intelligent flexible dynamic equilibrium two-phase separation system according to claim 5, characterized in that: The second container (112) is made of soft plastic material and is teardrop-shaped with a narrow top and a wide bottom.

7. The intelligent flexible dynamic equilibrium two-phase separation system according to claim 1, characterized in that: The frame (1) is also equipped with a locking device (12) for limiting the piston rod (41) of the clamping cylinder (4) after the piston rod (41) stops. The locking device (12) includes: A locking ring (121) is sleeved on the piston rod (41), and a locking groove (1211) is machined on the side wall of the locking ring (121); Locking block (122), the end of which is machined with a locking protrusion (1221) for engaging with the locking groove (1211); A drive assembly (124) is mounted on the frame (1) and its end is connected to the locking block (122). The drive assembly (124) is used to stop extending behind the piston and the extension and retraction direction of the drive assembly (124) is perpendicular to the axis of the piston rod (41). A guide (123) is arranged parallel to the piston rod (41) and fixed to the end of the drive assembly (124) away from the locking block (122). An alignment sensor is mounted on the guide (123) to move the locking block (122) to be aligned with the locking groove (1211).

8. The intelligent flexible dynamic equilibrium two-phase separation system according to claim 7, characterized in that: The end of the drive assembly (124) is also equipped with a wedge block (125), which is used to abut against the locking block (122) and the mounting plate (5) of the fixed pressing cylinder (4). One end of the locking block (122) is machined into a wedge surface that cooperates with the wedge block (125).

9. The intelligent flexible dynamic equilibrium two-phase separation system according to claim 3, characterized in that: Each of the branch pipes (8) is provided with a dredging component (10). The dredging component (10) includes a storage bag (101) containing dredging liquid, a metal block (102) fixed at the opening of the storage bag (101), and an electromagnetic block (103) disposed on the wall of the branch pipe (8) and attracted to the metal block (102). The electromagnetic block (103) is connected to a power source through a transmission cable (104), and a solenoid valve (105) electrically connected to the host computer is installed on the transmission cable (104). The dredging liquid is a chemical liquid that can decompose with the liquid material. The solenoid valve (105) is used to disconnect when the pressure difference between two adjacent injection chambers (625) exceeds the pressure difference threshold.

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