A chemical reactor inner wall cleaning device

Abstract

The invention relates to the technical field of reactor cleaning equipment, and specifically proposes a chemical reactor inner wall cleaning device; the device comprises a main frame, a slide rail frame is fixed at the bottom end of the main frame, two side wall scrubbing assemblies are horizontally slidably installed on the main frame, and two bottom brushes are installed at the bottom end of the slide rail frame; the main frame is also equipped with a radial driving mechanism for driving the two side wall scrubbing assemblies and the two bottom brushes to slide synchronously in opposite directions; the two side wall scrubbing assemblies are respectively provided with cylindrical brush body cylinders; the cleaning device provided by the invention can, on the basis of satisfying the requirement of comprehensive cleaning of the reactor, timely and automatically clean the brush body part after the reactor is cleaned, and can store the brush body part in a light-proof and dust-proof manner, thereby ensuring the cleanliness of the brush body before another cleaning operation, facilitating subsequent cleaning operations, and extending the service life, reducing the replacement frequency of the brush body part as a consumable, and saving the use cost.

Description

Technical Field

[0001] The invention relates to the technical field of reactor cleaning equipment, and specifically provides a chemical reactor inner wall cleaning device. Background Art

[0002] Chemical reactors are used as reaction and preparation containers for chemical products. After working for a long time, it is inevitable that residues will adhere to the inner wall of the reactor, forming a scaling layer or sediment. The existence of residual adhesion will cause at least the following adverse effects on the reactor:

[0003] 1) Residues on the inner wall of the reactor may have adverse effects on subsequent reactions, resulting in reduced or unstable product quality;

[0004] 2) Reactions between different batches or products can lead to cross-contamination, affecting product purity and performance;

[0005] 3) Scaling or deposits on the inner wall of the reactor will reduce heat transfer efficiency, increase energy consumption, and affect reaction speed and effect;

[0006] 4) Corrosive residual substances will cause corrosion to the reactor and affect its service life;

[0007] 5) Some reaction products or residues may be flammable and explosive, which may lead to potential safety hazards in the production process;

[0008] 6) Residues can easily cause blockage of pipes and valves in the reactor.

[0009] Based on the above reasons, after the reactor has been used for a long time, especially before the reaction preparation for different batches or different products, it is necessary to clean the inner wall of the reactor. Under the existing technology, it can be quickly cleaned by special automatic cleaning machinery and equipment combined with cleaning agent flushing. In order to effectively clean the stubborn scaling residue layer, most of the existing cleaning machinery and equipment are equipped with cleaning structures such as cleaning brushes or scrapers. The bristles of the cleaning brushes are mostly made of nylon, and the cleaning brushes are in direct contact with the residue layer during the cleaning process. When the reactor is cleaned, the residues will accumulate and adhere between the bristles of the cleaning brush. If the cleaning brush is not cleaned after use, the bristles will harden, affecting the subsequent cleaning effect, accelerating the wear of the bristles, causing cross-contamination to the reactor, and accelerating the corrosion and aging of the bristles, affecting the service life. Therefore, it is generally necessary to clean the cleaning brush in a timely or regular manner. Under the existing technology, the cleaning of the cleaning brush in the reactor cleaning equipment mostly relies on manual cleaning, generally by immersion washing or high-pressure flushing. During the cleaning process, there are problems such as large water consumption, time-consuming and labor-intensive manual cleaning, untimely and insufficient cleaning. Summary of the invention

[0010] In order to solve the above problems, the present invention provides a chemical reactor inner wall cleaning device, which is used to solve the problems mentioned in the above background technology.

[0011] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme to achieve it: a chemical reactor inner wall cleaning device, including a main frame, a slide rail frame is fixed to the bottom end of the main frame, two side wall brush assemblies are horizontally slidably installed on the main frame, which are symmetrically distributed on both sides of the slide rail frame and are used for cleaning the inner side wall of the reactor, and two bottom brushes are installed at the bottom end of the slide rail frame, which are arranged to slide horizontally relative to each other and are used for cleaning the inner bottom wall of the reactor; the main frame is also equipped with a radial drive mechanism that drives the two side wall brush assemblies and the two bottom brushes to slide synchronously in the opposite direction.

[0012] The two side wall brush assemblies are each correspondingly provided with a cylindrical brush body cylinder, and the brush body cylinder is composed of two half cylinders separated in half; at least one bridging slider is connected between the two half cylinders in relative positions in the two brush body cylinders, and the bridging slider is horizontally slidably installed on the slide rail frame; the slide rail frame is also equipped with a separation driving mechanism for driving the two half cylinders in the brush body cylinder to separate away.

[0013] The side wall brushing assembly includes a sliding frame installed on the main frame for horizontal and vertical sliding relative to the sliding direction of the bridging slide, a brush shaft is installed on the sliding frame for vertical rotation, a side wall brush is fixed to the bottom end of the brush shaft, and the side wall brush is conductively connected to the brush shaft along the center axis; when the two half-tubes in the brush body tube are in an assembled state, and the corresponding side wall brush center axis coincides with the brush body tube center axis, the brush shaft extends from the top of the brush body tube, and the side wall brush is located inside the brush body tube, and the bottom end of the brush body tube is in a closed state.

[0014] Preferably, the slide rail frame includes a cylindrical shaft vertically fixed to the bottom end of the main frame, and an upper slide rail and a lower slide rail distributed vertically are horizontally fixed to the outside of the cylindrical shaft; two bridging sliders are horizontally fixed between two pairs of half cylinders located in relative positions in the two brush body cylinders, and the two bridging sliders are respectively slidably installed on the upper slide rail and the lower slide rail; the separation drive mechanism is assembled on the cylindrical shaft.

[0015] Preferably, the sliding frame comprises a guide rod horizontally slidably mounted on the main frame and a bearing seat fixed to one end of the guide rod, and the brush shaft is rotatably mounted on the bearing seat.

[0016] Preferably, the radial drive mechanism includes a drive shaft vertically penetrating along the cylindrical axis, and the drive shaft is rotatably installed in the cylindrical axis through a bearing; a screw segment is provided on the drive shaft, and a drive frame is threadedly installed on the screw segment, and the drive frame is vertically slidably installed on the main frame, and two No. 2 connecting rods are hinged on the drive frame, and the two No. 2 connecting rods are hinged one by one to the other end of the guide rods of the two side wall brushing assemblies.

[0017] Preferably, two horizontally symmetrically arranged sliding grooves are provided at the bottom end of the lower sliding rail, and the two bottom brushes are slidably installed in the two sliding grooves one by one; a driving gear is fixed to the bottom end of the driving shaft, and a rack meshing with the driving gear is provided on the bottom brush.

[0018] Preferably, the separation drive mechanism includes a spline sleeve fixed on the cylindrical shaft, an electric push rod is vertically fixed to the bottom end of the spline sleeve through a fixing plate, a sliding sleeve slidably mounted on the spline sleeve is fixed to the output end of the electric push rod, two No. 1 connecting rods are hinged on the sliding sleeve, and the other ends of the two No. 1 connecting rods are hinged one by one to two bridging sliders assembled with the upper slide rail.

[0019] Preferably, the side wall brush comprises a brush body seat, which is a cylindrical structure penetrating along its own axis, and the upper end of the brush body seat is connected and fixed to the bottom end of the brush shaft; a plurality of detachable and replaceable brush bodies are circumferentially distributed on the brush body seat.

[0020] Preferably, a water inlet and a high-pressure nozzle are horizontally connected on the brush shaft, and an electromagnetic reversing valve is also installed on the brush shaft; when the electromagnetic reversing valve is switched, when the water inlet and the high-pressure nozzle are in a passage state, the water inlet and the inner cavity of the brush body seat are in a water disconnection state; when the water inlet and the high-pressure nozzle are in a water disconnection state, the water inlet and the inner cavity of the brush body seat are in a passage state.

[0021] Preferably, the brush body seat is circumferentially distributed with a plurality of plug-in grooves for plugging and installing replaceable brush bodies, the plug-in grooves extend along the axial direction of the brush body seat, and the top and bottom ends of the plug-in grooves are respectively closed and open structures; the bottom end of the brush body seat is installed with a fixed head which closes the bottom end of the plug-in groove and is used to fix multiple replaceable brush bodies.

[0022] Preferably, a plurality of combing needles for cleaning and combing the side wall brushes are fixed on the inner walls of the half cylinders.

[0023] The above technical scheme has the following advantages or beneficial effects: the present invention provides a chemical reactor inner wall cleaning device, which is provided with a side wall brush cleaning assembly for cleaning the inner side wall of the reactor and a bottom brush for cleaning the inner bottom wall of the reactor. The entire inner wall of the reactor can be fully covered and cleaned without dead corners, thereby ensuring the thoroughness and cleanliness of the cleaning; in addition, a detachable or closable brush body cylinder is equipped with the side wall brush cleaning assembly. During the cleaning operation, the side wall brush can be moved out of the detached brush body cylinder without affecting the normal cleaning operation, and after the cleaning is completed, the side wall brush can be moved into the closed brush body cylinder again, and the cleaning is completed. The structure of the side wall brush washing assembly can automatically and timely clean the side wall brushes without manual cleaning, which saves time and effort, and ensures the cleanliness of the side wall brushes when they are used for cleaning again. When not in use, the side wall brushes can be stored in the brush body tube. In summary, the cleaning device provided by the present invention can, on the basis of meeting the requirement of comprehensive cleaning of the reactor, automatically and timely clean the brush body part after the reactor is cleaned, and can store the brush body part in a light-proof and dust-proof manner, thereby ensuring the cleanliness of the brush body before cleaning again, facilitating subsequent cleaning operations, extending the service life, reducing the replacement frequency of the brush body part as a consumable, and saving the use cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention and its features, configurations and advantages will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings. The same reference numerals indicate the same parts throughout the drawings, which are not drawn to scale, with emphasis on illustrating the subject matter of the present invention.

[0025] Figure 1 The present invention is a schematic diagram of the three-dimensional structure of a chemical reactor inner wall cleaning device.

[0026] Figure 2 The present invention is a side view of a chemical reactor inner wall cleaning device.

[0027] Figure 3 yes Figure 2 Sectional view along AA direction.

[0028] Figure 4 It is a three-dimensional structural diagram of a partial structure of a chemical reactor inner wall cleaning device provided by the present invention.

[0029] Figure 5 It is a three-dimensional schematic diagram of the positional relationship between the side wall brush assembly and the brush body cylinder.

[0030] Figure 6 It is a three-dimensional structural diagram of the slide rail frame, radial drive mechanism and bottom brush assembly.

[0031] Figure 7 It is a three-dimensional structural diagram of the brush body seat.

[0032] Figure 8 It is a diagram of the assembly position relationship between the replaceable brush body and the fixed head.

[0033] In the figure: 1. Main frame; 11. Top plate; 12. Bottom plate; 121. Guide sleeve; 13. Side plate; 2. Slide rail frame; 21. Cylindrical shaft; 22. Upper slide rail; 23. Lower slide rail; 231. Sliding groove; 3. Side wall brushing assembly; 31. Sliding machine frame; 311. Guide rod; 312. Bearing seat; 313. C-shaped motor seat; 32. No. 2 motor; 33. Brush shaft; 331. Water inlet; 332. High-pressure nozzle; 34. Side wall brush; 341. Brush body seat; 3411. Insertion chute; 342. Replaceable brush body; 343. Fixed head; 4. Brush body cylinder; 41. Half cylinder; 411. Combing needle; 42. Bridging slider; 5. Separate drive mechanism; 51. Spline sleeve; 52. Electric push rod; 53. Sliding sleeve; 54. First connecting rod; 6. Radial drive mechanism; 61. No. 1 motor; 62. Drive shaft; 621. Screw section; 622. Drive gear; 63. Drive frame; 631. Screw sleeve; 632. Guide shaft; 64. Second connecting rod; 7. Bottom brush; 71. Rack. Detailed implementation manners

[0034] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0035] In order to enable those skilled in the art of this technology to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036] As Figure 1 、 Figure 3 and Figure 4 shown, a cleaning device for the inner wall of a chemical reaction kettle includes a main frame 1. The main frame 1 includes a top plate 11 and a bottom plate 12. Two side plates 13 are welded between the top plate 11 and the bottom plate 12, and the two side plates 13 are horizontally symmetrically arranged; a slide rail frame 2 is fixed at the bottom end of the bottom plate 12. The slide rail frame 2 includes a cylindrical shaft 21 vertically welded to the bottom end of the bottom plate 12, and an upper slide rail 22 and a lower slide rail 23 are horizontally welded on the outside of the cylindrical shaft 21 and are distributed up and down.

[0037] As Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 、 Figure 7 and Figure 8As shown in the figure, two side wall brushing assemblies 3 are installed on the main frame 1, symmetrically distributed on both sides of the slide rail frame 2 and jointly used for cleaning the inner wall of the reactor. The two side wall brushing assemblies 3 are respectively assembled on the two side plates 13. The side wall brushing assembly 3 includes a sliding frame 31. The sliding frame 31 includes a guide rod 311 horizontally slidably installed on the side plate 13 and a bearing seat 312 welded to one end of the guide rod 311. The guide rod 311 is a spline rod. A U-shaped motor seat 313 is welded to the bearing seat 312. A second motor 32 is fixed to the top of the U-shaped motor seat 313 by screws. A brush shaft 33 is vertically penetrated and rotatably installed on the bearing seat 312. The top of the brush shaft 33 is welded to the output shaft of the second motor 32. A side wall brush 34 is fixed to the bottom end of the brush shaft 33. The side wall brush 34 includes a brush body seat 341 welded to the bottom end of the brush shaft 33. The brush body seat 341 is a cylindrical structure that penetrates along its own axis. The brush shaft 33 is a circular tube structure with a closed top and an open bottom, and the brush shaft 33 is connected to the brush body seat 341. A plurality of insertion chutes 3411 are evenly distributed on the circumference of the brush body seat 341. The insertion chutes 3411 extend along the axial direction of the brush body seat 341, and the top and bottom ends of the insertion chutes 3411 are respectively in a closed and open structure. A replaceable brush body 342 is inserted and installed in each insertion chute 3411. A fixing head 343 is installed at the bottom end of the brush body seat 341 by screw thread matching to close the bottom end of the insertion chute 3411 and fix the plurality of replaceable brush bodies 342. The fixing head 343 is cylindrical, so that the bottom end of the brush body seat 341 remains in a conducting state. The fixing head 343 is used to顶住 one end of the replaceable brush body 342, so that the replaceable brush body 342 is fixed in the insertion chute 3411. In this embodiment, the bristles of the replaceable brush body 342 are made of nylon. The replaceable brush body 342 is used as a consumable. When the replaceable brush body 342 is severely worn and needs to be replaced, only the fixing head 343 needs to be disassembled and the replaceable brush body 342 is抽出 and replaced. A water inlet 331 and a high-pressure nozzle 332 are horizontally connected to the brush shaft 33. The water inlet 331 is connected to the cleaning liquid through an external pipeline. An existing electromagnetic reversing valve is also assembled on the brush shaft 33. Under the switching of the electromagnetic reversing valve, when the water inlet 331 and the high-pressure nozzle 332 are in a path state, the water inlet 331 and the inner cavity of the brush body seat 341 are in a water path disconnection state. When the water inlet 331 and the high-pressure nozzle 332 are in a water path disconnection state, the water inlet 331 and the inner cavity of the brush body seat 341 are in a path state. It should be noted that the electromagnetic reversing valve is not shown in the drawings.

[0038] As Figure 3 and Figure 4 It should be noted that there is an incorrect expression "顶住" in the original text which is translated as "顶住" in the above translation. It may need to be corrected according to the correct meaning. Also, "抽出" is a literal translation and may need to be adjusted to a more appropriate word depending on the context.As shown, two horizontally symmetrically arranged sliding grooves 231 are provided at the bottom end of the lower slide rail 23, and a bottom brush 7 is slidably installed in each of the two sliding grooves 231; in order to ensure the cleaning coverage of the bottom wall inside the reactor, the length of the bottom brush 7 is greater than the radius of the reactor to be cleaned, and the bristles of the bottom brush 7 are made of nylon. In addition, during actual cleaning, there is a cleaning dead corner of the side wall brush 34, that is, the side wall brush 34 cannot brush the side wall position close to the inner bottom wall of the reactor. Therefore, in the present embodiment, the bristles of the bottom brush 7 are L-shaped, including a bristle portion for brushing the bottom wall inside the reactor and a bristle portion for supplementing the brushing dead corner position of the side wall brush 34.

[0039] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the two side wall brush assemblies 3 are respectively provided with cylindrical brush body cylinders 4, which are assembled from two half cylinders 41 separated in half; two bridge sliders 42 are welded between the two half cylinders 41 in relative positions in the two brush body cylinders 4, and the two bridge sliders 42 are respectively horizontally slidably mounted on the upper slide rail 22 and the lower slide rail 23, and the sliding direction of the bridge slider 42 is perpendicular to the sliding direction of the guide rod 311; the cylindrical shaft 21 is also equipped with a separation driving mechanism 5 for driving the two half cylinders 41 in the brush body cylinder 4 to separate away. The separation driving mechanism 5 includes a spline sleeve 51 welded on the cylindrical shaft 21, and an electric push rod 52 is vertically fixed to the bottom end of the spline sleeve 51 through a fixing plate, and a sliding sleeve 53 slidably mounted on the spline sleeve 51 is fixed to the output end of the electric push rod 52, and two No. 1 connecting rods 54 are hinged on the sliding sleeve 53, and the other ends of the two No. 1 connecting rods 54 are hinged on the two bridge sliders 42 assembled with the upper slide rail 22 in a one-to-one correspondence. In order to improve the disturbance and cleaning effect of the bristles of the replaceable brush body 342, a plurality of combing needles 411 for cleaning and combing the side wall brush 34 are fixed on the inner wall of the half cylinder 41. The combing needles 411 are evenly distributed in the axial direction and circumferential direction of the half cylinder 41.

[0040] When the two half-tubes 41 in the brush body tube 4 are in an assembled state, and the central axis of the corresponding brush body seat 341 coincides with the central axis of the brush body tube 4, the brush shaft 33 extends from the top of the brush body tube 4, and the side wall brush 34 is located in the brush body tube 4, and the bottom of the brush body tube 4 is in a closed state. In order to improve the sealing performance in the assembled state, a sealing strip is fixed to the assembled contact end of the half-tube 41. When the electric push rod 52 is started to drive the sliding sleeve 53 to slide upward along the spline sleeve 51, the sliding sleeve 53 drives the two bridging sliders 42 slidably installed on the upper slide rail 22 to slide away through the two No. 1 connecting rods 54, so that the two half-tubes 41 of the brush body tube 4 are gradually separated and opened.

[0041] When the cleaning device provided by the present invention is not in use, the side wall brush 34 is stored in the brush body tube 4 in the assembled closed state. The brush body tube 4 provides a closed and light-proof storage environment for the side wall brush 34, avoiding the influence of high temperature in the environment and ultraviolet rays from the sun on the bristles, delaying the aging of the bristles, maintaining the normal hardness, elasticity and wear resistance of the bristles, thereby extending the service life of the replaceable brush body 342 as a consumable, reducing the frequency of replacement of consumables and the cost of use. In addition, closed storage avoids the adhesion of dust, oil stains, etc. on the bristles, keeps the brush body clean, and facilitates efficient use next time.

[0042] like Figure 1 , Figure 3 , Figure 4 and Figure 6 As shown, the main frame 1 is also equipped with a radial driving mechanism 6 for driving the two side wall brush assemblies 3 and the two bottom brushes 7 to slide synchronously in opposite directions. The radial drive mechanism 6 includes a No. 1 motor 61 fixed to the top plate 11 by screws and a drive shaft 62 fixed to the output shaft of the No. 1 motor 61, the drive shaft 62 vertically penetrates the bottom plate 12 and the cylindrical shaft 21 in sequence, and the drive shaft 62 is rotatably installed in the cylindrical shaft 21 through a bearing; a screw section 621 is provided on the drive shaft 62, and the screw section 621 is located between the top plate 11 and the bottom plate 12; a drive frame 63 is installed on the screw section 621, and the drive frame 63 includes a screw sleeve 631 threadedly mounted on the screw section 621 and two guide shafts 632 vertically welded on the screw sleeve 631, two guide sleeves 121 corresponding to the two guide shafts 632 are welded on the bottom plate 12, and the guide shaft 632 is slidably installed in the guide sleeve 121 at the corresponding position; two No. 2 connecting rods 64 are hinged on the screw sleeve 631, and the two No. 2 connecting rods 64 are hinged to the other end of the guide rod 311 in the two side wall brushing assemblies 3 in a one-to-one manner. A driving gear 622 is fixed to the bottom end of the driving shaft 62 , and a rack 71 meshing with the driving gear 622 is provided on the bottom brush 7 .

[0043] When the side wall brush 34 is stored in the brush body tube 4, the two bottom brushes 7 are in a relatively close state. In actual work, the side wall brush 34 needs to be removed from the brush body tube 4, and the two bottom brushes 7 need to be relatively moved and unfolded. At this time, the two half-tubes 41 in the brush body tube 4 are first driven to the maximum separation state by the separation drive mechanism 5, and then the two side wall brush cleaning assemblies 3 and the two bottom brushes 7 can be synchronously driven and displaced by the radial drive mechanism 6. Specifically, the No. 1 motor 61 is started to drive the drive shaft 62 to rotate accordingly. On the one hand, the guide sleeve 1 Under the guidance of the 21 pairs of guide shafts 632, the screw segment 621 drives the screw sleeve 631 to make the screw sleeve 631 descend, and the screw sleeve 631 causes the two guide rods 311 to slide away from each other through the two No. 2 connecting rods 64, so that the two side wall brush assemblies 3 move away from each other in the axial direction of the guide rods 311 and move out from between the two pairs of half cylinders 41 synchronously. On the other hand, the driving shaft 62 drives the two racks 71 through the driving gear 622, so that the two bottom brushes 7 slide away from each other in the sliding groove 231 and gradually unfold from a relatively closed state.

[0044] It should be noted that the cleaning device provided by the present invention should also at least include a rotary drive structure for rotary cleaning and a lifting structure for performing step-by-step lifting cleaning. In the present embodiment, the rotary drive structure may adopt a rotary drive motor, and the lifting structure may adopt a motor screw mechanism. Specifically, the output shaft of the rotary drive motor may be welded to the top plate 11 through a connecting frame, and the cylindrical shaft 21 is coaxially arranged with the output shaft of the rotary drive motor, and the rotary drive motor is fixed to the moving end of the motor screw mechanism.

[0045] The present invention provides a chemical reactor inner wall cleaning device, which is mainly used for Figure 1 The cylinder reactor shown in the figure is automatically cleaned. A water outlet is provided near the bottom of the side of the cylinder reactor. In order to facilitate the flow of dirt from the water outlet during the cleaning process, the cylinder reactor can be placed on an existing electric tilting platform. When the cleaning is nearing the end, the cylinder reactor can be driven to be in a tilted state by the electric tilting platform. In addition, a block for positioning the cylinder reactor can be installed on the electric tilting platform to position the cylinder reactor and make the central axis of the cylinder reactor and the central axis of the cylindrical shaft 21 basically coincide with each other. In actual cleaning, the following steps can be followed.

[0046] The first step: the cylinder reactor to be cleaned is positioned and placed on the electric tilting platform, and then lowered into the cylinder reactor by the lifting structure driving device. Next, the two half cylinders 41 in the brush body cylinder 4 are driven to separate to the maximum spacing state by the separation driving mechanism 5, and then the two side wall brushing assemblies 3 and the two bottom brushes 7 are synchronously driven by the radial driving mechanism 6, so that the side wall brushing assembly 3 is moved out of the brush body cylinder 4, and the side wall brush 34 is moved to a state of being effectively attached to the inner wall of the cylinder reactor, and at the same time, the two bottom brushes 7 are synchronously moved and unfolded, and the bristles of the bottom brush 7 are effectively in contact with the inner wall of the cylinder reactor.

[0047] Step 2: The cleaning liquid (mainly clean water, or a corresponding cleaning agent is added to the cleaning liquid according to the cleaning needs) is introduced into the water inlet 331 through an external pipeline. Under the switching control of the electromagnetic reversing valve, the cleaning liquid is sprayed outward from the high-pressure nozzle 332. In addition, the second motor 32 is started to drive the side wall brush 34 to rotate, so that the two side wall brushing assemblies 3 are in working state; at the same time, the rotary drive motor drives the cleaning device to rotate as a whole, and the side wall brush 34 brushes the inner side wall of the cylinder reactor while rotating and revolving with the device as a whole. During the brushing process, the high-pressure nozzle 332 synchronously flushes the area to be brushed below. Driven by the step-by-step descent of the lifting structure, the cleaning device rotates and cleans the inner side wall of the cylinder reactor step by step until it descends to the point where the bristles of the bottom brush 7 effectively contact the inner bottom wall of the cylinder reactor. As the cleaning device rotates as a whole, the bottom brush 7 brushes the inner bottom wall of the cylinder reactor and the dead corner of the side wall. It should be added here that in order to avoid the external pipeline from being entangled during the rotation of the brush shaft 33 and the revolution of the device as a whole, redundant length can be reserved for the external pipeline, and the external pipeline can be installed in conjunction with an existing pipeline slip ring; or the rotation and revolution can be performed in a multi-circle reciprocating manner, thereby avoiding the entanglement of the external pipeline through the above multiple methods.

[0048] Step 3: The electric tilting platform drives the cleaning device and the cylinder reactor to tilt synchronously. Under continuous cleaning, the cleaning liquid carries the cleaned residual substances and is discharged along the water outlet of the cylinder reactor. After the cleaning is completed, the cylinder reactor is reset to a horizontal state, and the cleaning device is moved upward from it, and finally the cylinder reactor is taken out.

[0049] Step 4: After the cylinder reactor is removed, the side wall brush 34 can be cleaned immediately. Specifically, the two side wall brush cleaning assemblies 3 are first driven by the radial drive mechanism 6 to be close and retracted until they are moved to a position where they can be stored in the brush body tube 4. Then, the two half tubes 41 in the brush body tube 4 are driven by the separation drive mechanism 5 to be assembled and tightly attached. Subsequently, on the one hand, the water inlet 331 and the brush body seat 341 are connected through the electromagnetic reversing valve, and the cleaning liquid is introduced into the water inlet 331 through the external pipe. The cleaning liquid flows along the inner cavity of the brush shaft 33 and the brush body. The inner cavity of the seat 341 enters the brush body barrel 4, and the injection is stopped when the brush body barrel 4 is basically filled. The brush body barrel 4 filled with cleaning liquid automatically forms a cleaning tank, and the internal space of the brush body barrel 4 is compact, which saves water and improves the utilization efficiency of the cleaning liquid. On the other hand, the second motor 32 drives the side wall brush 34 to rotate in the brush body barrel 4. During the rotation, the cleaning liquid is disturbed to automatically clean, and the bristles of the replaceable brush body 342 are in passive contact with the combing needle 411, which can effectively clean the bristle interlayer and the attached residues on the surface, thereby improving the cleaning effect. After completing a round of cleaning, the two half barrels 41 can be separated again to allow the cleaned cleaning liquid to flow out. In order to ensure the thoroughness of the cleaning of the side wall brush 34, the cleaning operation can be repeated again; after the thorough cleaning is completed, the two half barrels 41 are opened, and the side wall brush 34 can be stored in the brush body barrel 4 after drying.

[0050] The present invention provides a chemical reactor inner wall cleaning device, which is provided with a side wall brush cleaning assembly 3 for cleaning the inner side wall of the reactor and a bottom brush 7 for cleaning the inner bottom wall of the reactor, which can fully cover and clean the entire inner wall of the reactor without dead corners, thereby ensuring the thoroughness and cleanliness of the cleaning; in addition, a detachable or closable brush body cylinder 4 is matched with the side wall brush cleaning assembly 3, and during the cleaning operation, the side wall brush 34 can be moved out of the detached brush body cylinder 4 without affecting the normal cleaning operation, and after the cleaning is completed, the side wall brush 34 can be moved into the closed brush body cylinder 4 again, and combined with the side wall brush cleaning assembly 3 The side wall brush 34 can be cleaned automatically and timely by its own structure without manual cleaning, thus saving time and effort, and ensuring the cleanliness of the side wall brush 34 when it is used for cleaning again. When not in use, the side wall brush 34 can be stored in the brush body tube 4. In summary, the cleaning device provided by the present invention can, on the basis of satisfying the requirement of comprehensive cleaning of the reactor, timely and automatically clean the brush body part after the reactor is cleaned, and can store the brush body part in a light-proof and dust-proof manner, thus ensuring the cleanliness of the brush body before cleaning again, facilitating subsequent cleaning operations, extending the service life, reducing the replacement frequency of the brush body part as a consumable, and saving the use cost.

[0051] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0052] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0053] The above describes the preferred embodiments of the present invention. It should be understood that the present invention is not limited to the above-mentioned specific embodiments, and the devices and structures that are not described in detail should be understood to be implemented in a common manner in the art; any technician familiar with the art can make many possible changes and modifications without departing from the technical solution of the present invention, or modify them into equivalent embodiments with equivalent changes, which does not affect the essential content of the present invention. Therefore, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A chemical reactor inner wall cleaning device, characterized in that: The invention comprises a main frame (1), a slide rail frame (2) being fixed at the bottom end of the main frame (1), two side wall brush assemblies (3) being symmetrically distributed on both sides of the slide rail frame (2) and being used together for cleaning the inner side wall of the reactor being horizontally slidably mounted on the main frame (1), and two bottom brushes (7) being arranged to slide horizontally relative to each other and being used for cleaning the inner bottom wall of the reactor being installed at the bottom end of the slide rail frame (2); the main frame (1) is also equipped with a radial driving mechanism (6) for driving the two side wall brush assemblies (3) and the two bottom brushes (7) to slide synchronously in opposite directions; The two side wall brush assemblies (3) are each provided with a cylindrical brush body cylinder (4) in a corresponding manner, and the brush body cylinder (4) is composed of two half cylinders (41) separated in half. At least one bridging slider (42) is connected between the two half cylinders (41) in opposite positions in the two brush body cylinders (4), and the bridging slider (42) is horizontally slidably mounted on the slide rail frame (2). The slide rail frame (2) is also equipped with a separation driving mechanism (5) for driving the two half cylinders (41) in the brush body cylinder (4) to separate away from each other. The side wall brushing assembly (3) comprises a sliding frame (31) mounted horizontally and slidably on the main frame (1), and the sliding direction of the sliding frame (31) is perpendicular to the sliding direction of the bridge slider (42); a brush shaft (33) is mounted vertically and rotatably on the sliding frame (31); a side wall brush (34) is fixed to the bottom end of the brush shaft (33); the side wall brush (34) is conductively connected to the brush shaft (33) along the center axis; when the two half cylinders (41) in the brush body cylinder (4) are in an assembled state, and the center axis of the corresponding side wall brush (34) coincides with the center axis of the brush body cylinder (4), the brush shaft (33) extends into the brush body cylinder (4) from the top end, and the side wall brush (34) is located in the brush body cylinder (4), and the bottom end of the brush body cylinder (4) is in a closed state.

2. A chemical reactor inner wall cleaning device according to claim 1, characterized in that: The slide rail frame (2) comprises a cylindrical shaft (21) vertically fixed to the bottom end of the main frame (1), and an upper slide rail (22) and a lower slide rail (23) are horizontally fixed to the outer side of the cylindrical shaft (21) and are distributed vertically. Two bridging sliders (42) are horizontally fixed between two oppositely located half-cylinders (41) in the two brush body cylinders (4), and the two bridging sliders (42) are respectively slidably mounted on the upper slide rail (22) and the lower slide rail (23). The separation drive mechanism (5) is assembled on the cylindrical shaft (21).

3. A chemical reactor inner wall cleaning device according to claim 2, characterized in that: The sliding frame (31) comprises a guide rod (311) mounted horizontally and slidably on the main frame (1) and a bearing seat (312) fixed to one end of the guide rod (311), and the brush shaft (33) is rotatably mounted on the bearing seat (312).

4. A chemical reactor inner wall cleaning device according to claim 3, characterized in that: The radial drive mechanism (6) comprises a drive shaft (62) vertically penetrating the cylindrical shaft (21), the drive shaft (62) being rotatably mounted in the cylindrical shaft (21) via a bearing; a screw section (621) is arranged on the drive shaft (62), a drive frame (63) is threadedly mounted on the screw section (621), the drive frame (63) is vertically slidably mounted on the main frame (1), two No. 2 connecting rods (64) are hingedly connected to the drive frame (63), and the two No. 2 connecting rods (64) are hingedly connected to the other ends of the guide rods (311) of the two side wall brush assemblies (3) in a one-to-one correspondence.

5. A chemical reactor inner wall cleaning device according to claim 4, characterized in that: The bottom end of the lower slide rail (23) is provided with two horizontally symmetrically arranged sliding grooves (231), and the two bottom brushes (7) are slidably mounted in the two sliding grooves (231) in a one-to-one correspondence; a driving gear (622) is fixed to the bottom end of the driving shaft (62), and a rack (71) meshing with the driving gear (622) is provided on the bottom brush (7).

6. The device for cleaning the inner wall of a chemical reactor according to claim 2, characterized in that: The separation drive mechanism (5) comprises a spline sleeve (51) sleeved and fixed on the cylindrical shaft (21); an electric push rod (52) is vertically fixed to the bottom end of the spline sleeve (51) via a fixing plate; a sliding sleeve (53) slidably mounted on the spline sleeve (51) is fixed to the output end of the electric push rod (52); two No. 1 connecting rods (54) are hinged on the sliding sleeve (53); and the other ends of the two No. 1 connecting rods (54) are hinged one by one to two bridging sliders (42) assembled with the upper slide rail (22).

7. The device for cleaning the inner wall of a chemical reactor according to claim 1, characterized in that: The side wall brush (34) comprises a brush body seat (341), the brush body seat (341) being a cylindrical structure penetrating along its own axis, the upper end of the brush body seat (341) being connected and fixed to the bottom end of the brush shaft (33); a plurality of detachably mounted replaceable brush bodies (342) are distributed on the circumference of the brush body seat (341).

8. The device for cleaning the inner wall of a chemical reactor according to claim 7, characterized in that: The brush shaft (33) is provided with a water inlet (331) and a high-pressure nozzle (332) in a horizontally connected manner, and the brush shaft (33) is also equipped with an electromagnetic reversing valve; when the electromagnetic reversing valve is switched, when the water inlet (331) and the high-pressure nozzle (332) are in a passage state, the water inlet (331) and the inner cavity of the brush body seat (341) are in a water passage disconnection state; when the water inlet (331) and the high-pressure nozzle (332) are in a water passage disconnection state, the water inlet (331) and the inner cavity of the brush body seat (341) are in a passage state.

9. The device for cleaning the inner wall of a chemical reactor according to claim 7, characterized in that: The brush body seat (341) has a plurality of plug-in slide grooves (3411) distributed on the circumference thereof for plugging and installing replaceable brush bodies (342); the plug-in slide grooves (3411) extend along the axial direction of the brush body seat (341), and the top and bottom ends of the plug-in slide grooves (3411) are respectively in a closed and open structure; and a fixing head (343) is installed at the bottom end of the brush body seat (341) so as to close the bottom end of the plug-in slide groove (3411) and to fix a plurality of replaceable brush bodies (342).

10. The device for cleaning the inner wall of a chemical reactor according to claim 1, characterized in that: A plurality of combing needles (411) for cleaning and combing with a side wall brush (34) are fixed on the inner wall of the half cylinder (41).

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