Raw material conveying equipment for defoaming agent production

By using a twin-screw conveying mechanism and a screening and cleaning mechanism, the problem of powder raw material agglomeration in defoamer production is solved, achieving uniform conveying and efficient dispersion of materials, thereby improving the production efficiency and quality of defoamers.

CN120964296APending Publication Date: 2025-11-18JIANGSU KEZHIXIN ENVIRONMENTAL PROTECTION MATERIAL CO LTD
View PDF 4 Cites 0 Cited by

Patent Information

Application Number
CN202511214337.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-28
Publication Date
2025-11-18

AI Technical Summary

Technical Problem

Existing raw material conveying equipment for defoamer production is prone to clumping and sticking when conveying powdered raw materials, leading to equipment blockage and uneven material distribution, which affects the production efficiency and finished product quality of defoamers.

Method used

It adopts a twin-screw conveying mechanism, a spiral blade meshing design and an arc-shaped groove structure, combined with a cleaning and screening mechanism to prevent agglomeration, ensure material uniformity and dispersion, and clean the inner wall of the material with a scraper, while the screening mechanism prevents agglomerates from entering the reaction vessel.

Benefits of technology

It effectively prevents powder raw materials from agglomerating and clumping during the conveying process, maintains material uniformity, improves the defoaming effect of the defoamer, avoids equipment blockage, and ensures the quality of the finished product.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120964296A_ABST
    Figure CN120964296A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of defoaming agent raw material conveying, and discloses a raw material conveying device for defoaming agent production, the raw material conveying device comprises a shell, a conveying mechanism, a cleaning mechanism and a screening mechanism, the conveying mechanism comprises a first conveying screw, a second conveying screw, a spiral blade and a power assembly; the spiral blades are connected to the peripheries of the first conveying screw and the second conveying screw, the first conveying screw and the second conveying screw are installed in the shell through the power assembly, the cleaning mechanism is used for cleaning the inner wall of the shell, and the screening mechanism is used for screening conveyed materials. By means of interaction of the double screws, defoaming agent powder can be effectively prevented from being gathered or agglomerated in the conveying process, it is ensured that the defoaming agent powder is better dispersed in liquid, the effect of a defoaming agent is improved, the arc-shaped grooves are formed in the spiral blades, the side walls of the two sides of each arc-shaped groove are located in the arc-shaped grooves in the corresponding spiral blades and rub against each other, and therefore the defoaming effect is improved. And residues on the blades can be scraped off.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of defoamer raw material conveying technology, and in particular to a raw material conveying equipment for defoamer production. Background Technology

[0002] Defoamers are food additives that eliminate foam. In the food industry, such as in the production and application of condiments and beverages, a large amount of foam is generated, which affects product quality and the production process. To suppress and eliminate foam, a specific amount of defoamer is usually added during production. In the production process of defoamers, the raw materials need to be transported and put into a reaction vessel for chemical reaction.

[0003] Chinese invention patent publication number CN215755315 discloses an automatic raw material feeding device for defoamer production. The device's main body has a motor housing fixedly installed on one side inside. A mold base plate is located on one side of the top of the motor housing. At least three sets of mold plates are arranged around the top of the mold base plate. A top plate is fixedly installed on one side of the top of the main body. A hydraulic cylinder is fixedly installed at the center of the top of the top plate. A pressure plate is fixedly installed on one side of the output end of the hydraulic cylinder. A servo motor is fixedly installed on one side of the bottom inside the motor housing. This automatic raw material feeding device for defoamer production enables simple and convenient feeding, reduces the workload of workers, effectively improves the work efficiency of users, enhances the practicality of the overall device, and brings better application prospects.

[0004] In existing defoamer raw material production and conveying equipment, powdered raw materials may clump or stick to the conveying device due to humidity, static electricity, or material characteristics, causing blockages and preventing the transport of raw materials. This affects the normal production efficiency of the defoamer. Furthermore, when the powder clumps, the uneven particle size prevents it from dispersing properly in the liquid when it enters the reaction vessel, thus affecting the defoaming effect of the finished defoamer.

[0005] Therefore, it is necessary to provide a raw material conveying device for defoamer production to solve the above-mentioned technical problems. Summary of the Invention

[0006] The purpose of this invention is to provide a raw material conveying device for defoamer production, so as to solve the existing problems in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: comprising a housing, a conveying mechanism, a cleaning mechanism, and a screening mechanism. The conveying mechanism includes a first conveying screw, a second conveying screw, helical blades, and a power assembly. The helical blades are helically connected to the outer periphery of the first and second conveying screws. The first and second conveying screws are rotatably mounted inside the housing via the power assembly. The power assembly is used to drive the first and second conveying screws. The cleaning mechanism is used to clean the inner wall of the housing. The screening mechanism is used to screen the conveyed material.

[0008] As a further embodiment of the present invention, the spiral blade is provided with an arc-shaped groove that is lower on the inside and higher on the outside along the spiral direction, and the spiral blade of the first conveying screw is engaged with the spiral blade of the second conveying screw.

[0009] As a further embodiment of the present invention, the power assembly includes a central gear, a first transmission gear, a second transmission gear, a third transmission gear, and a drive motor. The drive motor is fixedly mounted on the outer wall of the housing. The central gear is fixedly connected to the output end of the drive motor. The first transmission gear, the second transmission gear, and the third transmission gear are respectively meshed with the central gear. The first transmission gear is fixedly connected to one end of the first conveying screw, and the second transmission gear is fixedly connected to the second conveying screw.

[0010] As a further embodiment of the present invention, the cleaning mechanism includes a scraper, a lead screw, and a moving block. One end of the lead screw is fixedly connected to the third transmission gear, the moving block is threadedly connected to the lead screw, and the scraper is fixedly connected below the moving block.

[0011] As a further embodiment of the present invention, the scraper is located inside the housing, and the shape and size of the scraper correspond to the inside of the housing, and the contact surface between the scraper and the housing is an inclined surface.

[0012] As a further embodiment of the present invention, the screening assembly includes a screening box, a screen plate, an inclined block, and a transmission assembly. The screening box is connected to the lower part of the housing through the transmission assembly. The screen plate is fixedly connected inside the screening box and is inclined. The inclined block is fixedly connected to the inner walls on both sides of the screening box and is located below the screen plate. The transmission assembly is used to make the screening box vibrate.

[0013] As a further embodiment of the present invention, the bottom of the screening box is provided with a discharge port and a feed port, a baffle is provided on the feed port, the length of the baffle is less than that of the feed port, and a discharge port is also provided on one side wall of the screening box, with one end of the screening plate located on the lower end face of the discharge port.

[0014] As a further embodiment of the present invention, the transmission assembly includes a circular plate, a connecting rod, a pull rod, a spring, and a limiting plate. The circular plate is fixedly installed on the end of the lead screw away from the drive motor. A connecting shaft is fixedly installed on the circular plate. One end of the connecting rod is rotatably connected to the connecting shaft. One end of the pull rod is rotatably connected to the connecting rod, and the other end of the pull rod is fixedly connected to the baffle. The limiting plate is fixedly connected to the outer wall of the housing. A through groove is provided on the limiting plate, and the pull rod passes through the through groove and is fixedly connected to the baffle. The spring is fixedly connected between the baffle and the limiting plate, and the spring is located on both sides of the pull rod.

[0015] As a further embodiment of the present invention, a feeding port is provided on the bottom surface of the outer shell, and a feeding cylinder is provided on the top surface of the shell at the end away from the feeding port. The feeding port is located directly below the feeding port, and a protective cover is provided between the feeding port and the feeding port.

[0016] This invention utilizes the intermeshing of helical blades on a first and second conveying screw. Under sufficient shearing and mixing conditions, the interaction of the two screws effectively prevents the aggregation or clumping of defoamer powder during transport, maintaining material uniformity and ensuring better dispersion in the liquid, thereby improving the defoamer's effectiveness. Simultaneously, it avoids static electricity buildup during transport, which could lead to material scattering. Furthermore, arc-shaped grooves are created on the helical blades. During material transport, the sidewalls of these grooves are positioned within the corresponding arc-shaped grooves on the helical blades and rub against each other, scraping away residues and achieving automatic cleaning. A cleaning mechanism is further incorporated, causing a scraper to reciprocate inside the casing, scraping off raw materials adhering to the inner wall of the casing and preventing accumulation that could cause blockages during transport. Additionally, a screening mechanism is included to screen the raw materials by size before they enter the reaction vessel, preventing any remaining clumps from entering and affecting the quality of the finished defoamer product, thus further improving the production quality of the defoamer. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the overall structure of the present invention from another perspective;

[0020] Figure 3 This is a schematic diagram of the internal structure of the housing of the present invention;

[0021] Figure 4 This is a schematic diagram of the cleaning mechanism structure of the present invention;

[0022] Figure 5 This is a schematic diagram of the power component structure of the present invention;

[0023] Figure 6 This is a schematic diagram of the screening mechanism of the present invention;

[0024] Figure 7 This is a schematic diagram of the internal structure of the screening box of the present invention;

[0025] Figure 8 This is a schematic diagram of the conveying mechanism structure of the present invention;

[0026] Figure 9 This is a schematic diagram of the spiral blade structure of the present invention.

[0027] In the diagram: 1. Shell; 2. Conveying mechanism; 21. First conveying screw; 22. Second conveying screw; 23. Spiral blade; 24. Power assembly; 241. Central gear; 242. First transmission gear; 243. Second transmission gear; 244. Third transmission gear; 245. Drive motor; 3. Cleaning mechanism; 31. Scraper; 32. Lead screw; 33. Moving block; 4. Screening assembly; 41. Screening box; 42. Screen plate; 43. Inclined block; 44. Transmission assembly; 441. Circular plate; 442. Connecting rod; 443. Pull rod; 444. Spring; 445. Limiting plate; 5. Arc-shaped groove; 6. Discharge port; 7. Inlet; 8. Baffle; 9. Discharge port; 10. Connecting shaft; 11. Through groove; 12. Feeding port; 13. Discharge cylinder; 14. Protective cover. Detailed Implementation

[0028] Example 1

[0029] like Figures 1-3 As shown, the conveying mechanism 2 includes a first conveying screw 21, a second conveying screw 22, a spiral blade 23, and a power assembly 24. The spiral blade 23 is spirally connected to the outer periphery of the first conveying screw 21 and the second conveying screw 22. The first conveying screw 21 and the second conveying screw 22 are rotatably installed in the housing 1 through the power assembly 24. The spiral blade 23 of the first conveying screw 21 and the spiral blade 23 of the second conveying screw 22 are meshed. A feeding port 12 is provided on the bottom surface of the outer side of the housing 1. A discharge cylinder 13 is provided on the top surface of the housing 1 at the end away from the feeding port 12. The feed inlet 7 is located directly below the feeding port 12, and a protective cover 14 is provided between the feeding port 12 and the feed inlet 7.

[0030] like Figure 8As shown, the power assembly 24 includes a central gear 241, a first transmission gear 242, a second transmission gear 243, a third transmission gear 244, and a drive motor 245. The drive motor 245 is fixedly mounted on the outer wall of the housing 1. The central gear 241 is fixedly connected to the output end of the drive motor 245. The first transmission gear 242, the second transmission gear 243, and the third transmission gear 244 are respectively meshed with the central gear 241. The first transmission gear 242 is fixedly connected to one end of the first conveying screw 21, and the second transmission gear 243 is fixedly connected to the second conveying screw 22.

[0031] In use, the material is first fed into the housing 1 through the discharge cylinder 13. Then, the drive motor 245 is started, and the output end of the drive motor 245 drives the central gear 241 to rotate. The central gear 241 drives the first transmission gear 242, the second transmission gear 243 and the third transmission gear 244 to rotate. At this time, under the rotation of the first transmission gear 242 and the second transmission gear 243, the first conveying screw 21 and the second conveying screw 22 rotate to rotate and convey the added material, pushing the material forward. Then, the material enters the screening box 41 through the feed port 7 and the protective cover 14.

[0032] The effect of this setup is that the spiral blades 23 on the first conveying screw 21 and the second conveying screw 22 mesh with each other. Under the premise of sufficient shearing and mixing, the interaction of the two screws can effectively prevent the defoamer powder from agglomerating or clumping during the conveying process, maintain the uniformity of the material, and ensure better dispersion in the liquid, thereby improving the effect of the defoamer. At the same time, it avoids the easy generation of static electricity in the material during the conveying process, which may lead to the material flying away.

[0033] As shown in Figure 9, an arc-shaped groove 5 with a lower inner diameter and a higher outer diameter is provided on the spiral blade 23 along the spiral direction.

[0034] During use, during the conveying process, the two side walls of the arc groove 5 on the spiral blade 23 are located in the corresponding arc groove 5 on the spiral blade 23 and rub against each other.

[0035] The effect of this setting is that by further opening arc-shaped grooves 5 on the spiral blades 23, during the rotation and conveying of materials, the two side walls of the arc-shaped grooves 5 are located in the corresponding arc-shaped grooves 5 on the spiral blades 23 and rub against each other, which can scrape off the residue on the blades and achieve automatic cleaning.

[0036] Example 2

[0037] Based on Example 1, such as Figure 4The cleaning mechanism 3 includes a scraper 31, a lead screw 32, and a moving block 33. One end of the lead screw 32 is fixedly connected to the third transmission gear 244, the moving block 33 is threadedly connected to the lead screw 32, and the scraper 31 is fixedly connected to the bottom of the moving block 33.

[0038] The scraper 31 is located inside the housing 1, and the shape and size of the scraper 31 correspond to the inside of the housing 1. The contact surface between the scraper 31 and the housing 1 is an inclined surface.

[0039] During use, as the drive motor 245 rotates, the third transmission gear 244 drives the lead screw 32 to rotate. At this time, the moving block 33 on the lead screw 32 will move back and forth on the lead screw 32, causing the scraper 31 to move along the inner wall of the housing 1, thereby scraping the material adhering to the inner wall of the housing 1.

[0040] The effect of this setting is that the scraper 31 reciprocates inside the housing 1, scraping off the raw materials adhering to the inner wall of the housing 1, preventing the raw materials from gradually accumulating on the inner wall of the housing 1 and causing blockages during the rotary conveying process. This avoids situations where the conveying efficiency of the raw materials is affected or the device stops conveying due to blockages inside the housing 1.

[0041] Example 3

[0042] Based on Example 1 or 2, such as Figure 6 and Figure 7 As shown, the screening assembly 4 includes a screening box 41, a screen plate 42, an inclined block 43, and a transmission assembly 44. The screening box 41 is connected to the lower part of the housing 1 through the transmission assembly 44. The screen plate 42 is fixedly connected inside the screening box 41 and is inclined. The inclined block 43 is fixedly connected to the inner walls on both sides of the screening box 41 and is located below the screen plate 42.

[0043] The transmission assembly 44 includes a circular plate 441, a connecting rod 442, a pull rod 443, a spring 444, and a limiting plate 445. The circular plate 441 is fixedly installed on the end of the lead screw 32 away from the drive motor 245. A connecting shaft 10 is fixedly installed on the circular plate 441. One end of the connecting rod 442 is rotatably connected to the connecting shaft 10. One end of the pull rod 443 is rotatably connected to the connecting rod 442. The other end of the pull rod 443 is fixedly connected to the baffle 8. The limiting plate 445 is fixedly connected to the outer wall of the housing 1. A through groove 11 is provided on the limiting plate 445, and the pull rod 443 passes through the through groove 11 and is fixedly connected to the baffle 8. The spring 444 is fixedly connected between the baffle 8 and the limiting plate 445, and the spring 444 is located on both sides of the pull rod 443.

[0044] When in use, when the material enters the screening box 41, the connecting rod 442 will rotate along the connecting shaft 10 along the circular plate 441 as the screw 32 drives the circular plate 441 to rotate. From the lowest point to the highest point, the pull rod 443 will be pulled up and then lowered. The bottom of the pull rod will pull the screening box 41 to move upward first, compressing the spring 444 between the limit plate 445 and the baffle 8, and then releasing it. The spring 444 will generate force during the recovery deformation process, thereby causing the screening box 41 to vibrate. The screen plate 42 inside the screening box 41 will screen the raw material during the vibration.

[0045] The effect of this setup is that the raw materials are sieved by the vibration of the sieve plate 42 before entering the reaction vessel, so that the raw materials of uniform size enter the reaction vessel to carry out chemical reaction, preventing any residual clumps of raw materials from entering the reaction vessel and affecting the quality of the defoamer product, thereby further improving the production quality of the defoamer.

[0046] like Figure 7 As shown, the bottom of the screening box 41 is provided with a discharge port 6 and a feed port 7. A baffle 8 is provided on the feed port 7. The length of the baffle 8 is less than that of the feed port 7. A discharge port 9 is also provided on one side wall of the screening box 41. One end of the screening plate is located on the lower end face of the discharge port 9.

[0047] When in use, after the raw materials are screened, the uniformly sized raw materials will enter the reaction vessel through the discharge port 6, while the lumpy raw materials will be discharged from the screening box 41 through the discharge port 9 along the inclined screening plate during vibration, and enter the recycling container for processing and reuse.

[0048] The effect of this setup is that by setting up the baffle 8 and the protective cover 14 in cooperation, the raw material can only enter the screening box 41 from directly above the sieve plate 42, allowing the raw material sufficient time to be screened, thereby improving the quality of the raw material entering the reaction vessel and further improving the production quality of the defoamer.

[0049] Working principle: In use, the material is first fed into the housing 1 through the discharge cylinder 13. Then, the drive motor 245 is started, causing the output end of the drive motor 245 to drive the central gear 241 to rotate. In turn, the central gear 241 drives the first transmission gear 242, the second transmission gear 243, and the third transmission gear 244 to rotate. At this time, under the rotation of the first transmission gear 242 and the second transmission gear 243, the first conveying screw 21 and the second conveying screw 22 rotate to rotate and convey the added material, pushing the material forward. Then, the material enters the screening box through the feed inlet 7 and the protective cover 14. Within 41, under the premise of sufficient shearing and mixing, the interaction of the twin screws can effectively prevent the defoamer powder from agglomerating or clumping during the conveying process, maintain the uniformity of the material, and ensure better dispersion in the liquid, thereby improving the effect of the defoamer. At the same time, it avoids the easy generation of static electricity in the material during the conveying process, which may lead to the material flying. Furthermore, an arc-shaped groove 5 is opened on the spiral blade 23, so that during the rotation and conveying of the material, the two side walls of the arc-shaped groove 5 are located in the corresponding arc-shaped groove 5 on the spiral blade 23 and rub against each other, which can scrape off the residue on the blade and achieve automatic cleaning.

[0050] During the rotation of the drive motor 245, the third transmission gear 244 will drive the lead screw 32 to rotate. At this time, the moving block 33 on the lead screw 32 will move back and forth on the lead screw 32, causing the scraper 31 to move along the inner wall of the housing 1. This allows the scraper 31 to scrape off the material adhering to the inner wall of the housing 1, preventing the raw material from gradually accumulating on the inner wall of the housing 1 and causing blockage during the rotational conveying process. This avoids the situation where the conveying efficiency of the raw material is affected or the device stops conveying due to blockage inside the housing 1.

[0051] By setting up the baffle 8 and the protective cover 14 in cooperation, the raw material can only enter the screening box 41 from directly above the sieve plate 42, so that the raw material has enough time to be screened, thereby improving the quality of the raw material entering the reaction vessel and further improving the production quality of the defoamer.

[0052] When the material enters the screening box 41, the connecting rod 442 will rotate along the connecting shaft 10 along the circular plate 441 as the lead screw 32 drives the circular plate 441 to rotate. From the lowest point to the highest point, the pull rod 443 will be pulled up and then lowered. The bottom of the pull rod will pull the screening box 41 to move upward first, compressing the spring 444 between the limiting plate 445 and the baffle 8, and then releasing it. The spring 444 will generate force during the recovery deformation process, thereby causing the screening box 41 to vibrate. The screen plate 42 inside the screening box 41 will screen the raw material during the vibration process, so that the raw material of uniform size enters the reaction vessel to carry out chemical reaction. This prevents the residual agglomerated raw material from entering the reaction vessel and affecting the quality of the defoamer product, thereby further improving the production quality of the defoamer.

[0053] After the raw materials are screened, the uniformly sized raw materials will enter the reaction vessel through the discharge port 6, while the lumpy raw materials will be discharged from the screening box 41 through the discharge port 9 along the inclined screening plate during the vibration process, and enter the recycling container for processing and reuse.

Claims

1. A raw material conveying device for defoamer production, characterized in that: The device includes a housing, a conveying mechanism, a cleaning mechanism, and a screening mechanism. The conveying mechanism includes a first conveying screw, a second conveying screw, helical blades, and a power assembly. The helical blades are helically connected to the outer periphery of the first and second conveying screws. The first and second conveying screws are rotatably mounted inside the housing via the power assembly, which drives the first and second conveying screws. The cleaning mechanism cleans the inner wall of the housing, and the screening mechanism screens the conveyed material.

2. The raw material conveying equipment for defoamer production according to claim 1, characterized in that: The spiral blades are provided with arc-shaped grooves that are lower on the inside and higher on the outside along the spiral direction, and the spiral blades of the first conveying screw are engaged with the spiral blades of the second conveying screw.

3. A raw material conveying device for defoamer production according to claim 1, characterized in that: The power assembly includes a central gear, a first transmission gear, a second transmission gear, a third transmission gear, and a drive motor. The drive motor is fixedly mounted on the outer wall of the housing. The central gear is fixedly connected to the output end of the drive motor. The first transmission gear, the second transmission gear, and the third transmission gear are respectively meshed with the central gear. The first transmission gear is fixedly connected to one end of the first conveying screw, and the second transmission gear is fixedly connected to the second conveying screw.

4. The raw material conveying equipment for defoamer production according to claim 3, characterized in that: The cleaning mechanism includes a scraper, a lead screw, and a moving block. One end of the lead screw is fixedly connected to the third transmission gear, the moving block is threadedly connected to the lead screw, and the scraper is fixedly connected below the moving block.

5. The raw material conveying equipment for defoamer production according to claim 4, characterized in that: The scraper is located inside the housing, and the shape and size of the scraper correspond to the inside of the housing. The contact surface between the scraper and the housing is an inclined surface.

6. The raw material conveying equipment for defoamer production according to claim 1, characterized in that: The screening assembly includes a screening box, a screen plate, an inclined block, and a transmission assembly. The screening box is connected to the lower part of the housing through the transmission assembly. The screen plate is fixedly connected inside the screening box and is inclined. The inclined block is fixedly connected to the inner walls on both sides of the screening box and is located below the screen plate. The transmission assembly is used to make the screening box vibrate.

7. The raw material conveying equipment for defoamer production according to claim 6, characterized in that: The screening box has a discharge port at the bottom and a feed port at the top. A baffle is provided on the feed port, the length of which is less than that of the feed port. A discharge port is also provided on one side wall of the screening box, and one end of the screening plate is located on the lower end face of the discharge port.

8. The raw material conveying equipment for defoamer production according to claim 6, characterized in that: The transmission assembly includes a circular plate, a connecting rod, a pull rod, a spring, and a limiting plate. The circular plate is fixedly mounted on the end of the lead screw away from the drive motor. A connecting shaft is fixedly mounted on the circular plate. One end of the connecting rod is rotatably connected to the connecting shaft. One end of the pull rod is rotatably connected to the connecting rod, and the other end of the pull rod is fixedly connected to the baffle. The limiting plate is fixedly connected to the outer wall of the housing. A through slot is provided on the limiting plate, and the pull rod passes through the through slot and is fixedly connected to the baffle. The spring is fixedly connected between the baffle and the limiting plate, and the spring is located on both sides of the pull rod.

9. The raw material conveying equipment for defoamer production according to claim 8, characterized in that: The bottom surface of the outer shell is provided with a feeding port, and a feeding cylinder is provided on the top surface of the shell at the end away from the feeding port. The feeding port is located directly below the feeding port, and a protective cover is provided between the feeding port and the feeding port.

Citation Information

Patent Citations

  • Screw shaft assembly and double-screw conveying device thereof

    CN112407817A

  • Multi-stage screening equipment for food processing

    CN216779429U

  • Pulverized coal conveying device

    CN218878527U

  • Screw conveyer with screening function

    CN221561932U