Polycarboxylate-type water reducer pre-reactor
By introducing stirring, circulation and anti-caking components into the polycarboxylic acid water reducing agent pre-reactor, the clogging problem caused by raw material agglomeration is solved, and more efficient reaction quality and product quality are achieved, reducing potential risks after application.
Patent Information
- Application Number
- CN202421085154.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-17
AI Technical Summary
During the pre-reaction process of existing polycarboxylic acid water reducing agent, the raw materials are prone to agglomeration and cause clogging, which cannot effectively prevent the agglomeration generated during the reaction, affecting the reaction quality and product quality.
A polycarboxylic acid-based water reducing agent pre-reactor including a stirring assembly, a circulation assembly and an anti-caking assembly is designed. The raw materials are stirred and scraped through the stirring assembly, and the circulation assembly achieves uniform mixing and heating of the reactants to prevent The agglomeration assembly breaks the agglomeration material by knocking balls and steel ropes to prevent clogging.
It effectively improves the reaction quality of the pre-reaction of polycarboxylic acid water reducing agent, reduces hidden dangers after product application, enhances the anti-caking and blocking effect, and improves the quality of the final product.
Smart Images
Figure CN222287313U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of polycarboxylic acid water reducer production, in particular to a polycarboxylic acid water reducer pre-reactor. Background Art
[0002] Water reducer refers to an admixture that can reduce the amount of water used for mixing, improve the strength of concrete, or save cement under the condition of unchanged workability and cement dosage of concrete, and polycarboxylate water reducer is a high-performance water reducer widely used in highways, bridges, dams, tunnels, high-rise buildings and other projects. When preparing polycarboxylate water reducer, the reactants are usually pre-reacted to promote the copolymerization reaction to be more efficient. A polycarboxylate water reducer pre-reactor proposed by prior art announcement number CN214159604U is configured with a filter screen at the feed port to filter out the agglomeration before the raw materials enter the interior of the pre-reactor body, so as to avoid agglomeration of the raw materials during the reaction process or after the reaction is completed, which leads to blockage. However, in actual use, there are the following problems: during the pre-reaction process, the agglomeration of the raw materials includes the agglomeration of the raw materials themselves and the agglomeration generated during the reaction process. The above scheme can only solve the agglomeration of the raw materials themselves, so the anti-agglomeration and blockage effect is poor. Utility Model Content
[0003] In order to solve the above technical problems, the utility model provides a polycarboxylic acid water-reducing agent pre-reactor which can act on agglomerated raw materials to break up the raw materials and improve the reaction quality of the polycarboxylic acid water-reducing agent during pre-reaction.
[0004] The utility model discloses a polycarboxylic acid series water reducing agent pre-reactor, comprising a pre-reaction tank body, a support base, a feed port and a discharge pipe, wherein the bottom end of the pre-reaction tank body is fixedly connected with the support base to support the pre-reaction tank body, the top left side of the pre-reaction tank body is connected with the feed port, the bottom left end of the pre-reaction tank body is connected with the discharge pipe, and the discharge pipe is provided with a discharge control valve; the utility model also comprises a transmission, a drive motor, a stirring component, a circulation component and an anti-caking component, wherein the transmission is fixedly connected to the middle part of the top end of the pre-reaction tank body, the input end of the transmission is connected with the output end of the drive motor, the stirring component is installed inside the pre-reaction tank body, and the input end of the stirring component is connected with the output end of the transmission, the circulation component It is installed on the right side of the pre-reaction tank body, and the input end of the circulation component is connected to the output end of the stirring component. The anti-caking component is located in the middle of the pre-reaction tank body and is installed on the stirring component. The material is added to the pre-reaction tank body through the feed port, and the drive motor is started to drive the stirring component to stir the mixed liquid through the transmission. The raw materials react fully, the anti-caking component can act on the agglomerated raw materials to break them up, and the circulation component allows the reactants to circulate and stir in the pre-reaction tank body, thereby achieving uniform mixing and heating of the reactants to the greatest extent, effectively improving the reaction quality of the polycarboxylic acid water reducer during the pre-reaction, helping to improve the final product quality, and reducing the hidden dangers of the water reducer after it is used in the project.
[0005] Preferably, the stirring assembly includes a main shaft, multiple stirring blades and multiple stirring rods. The input end of the main shaft is connected to the output end of the transmission. The multiple stirring blades are axially and evenly installed on the upper part of the outer wall of the main shaft, and the multiple stirring rods are evenly arranged and installed on the lower part of the outer wall of the main shaft. The driving motor drives the main shaft to rotate in the pre-reaction tank body through the transmission, thereby driving the stirring blades and the stirring rods to rotate. The stirring blades can preliminarily stir and break up the agglomerated materials, and the stirring rods stir the mixed liquid at the bottom to allow the raw materials to fully react.
[0006] Preferably, the stirring assembly also includes multiple connecting rods, multiple first arc scrapers and multiple second arc scrapers. The multiple connecting rods are axially and evenly installed on the outer wall of the lower end of the main shaft. The other end of the connecting rod is fixedly installed with the first arc scraper, and the first arc scraper is in sliding contact with the inner wall of the pre-reaction tank body. The multiple second arc scrapers are respectively fixedly installed on the stirring blades, and the second arc scrapers are in contact with the interior of the pre-reaction tank body. When the main shaft rotates, the first arc scraper is driven by the connecting rods, and at the same time, the stirring blades drive the second arc scraper to rotate to scrape and clean the inner wall of the pre-reaction tank body, which can effectively avoid the phenomenon of reaction solid powder sticking to the inner wall of the pre-reaction tank body and improve material utilization efficiency.
[0007] Preferably, a plurality of homogenizing holes are evenly formed on the stirring blade; when the stirring blade rotates, the mixed liquid passes through the uniform holes, so that the reactants are evenly mixed, which is beneficial to sufficient contact between the reactants, shortening the reaction time and improving the reaction effect.
[0008] Preferably, the anti-caking component includes a connecting seat, multiple rotating rods, a gear ring, multiple planetary gears, multiple steel ropes and multiple knocking balls. The connecting seat is fixedly installed in the middle of the main shaft, and multiple rotating rods are rotatably installed on the outer wall of the connecting seat. A planetary gear is fixedly installed on the other end of the rotating rod. A gear ring matching the planetary gear is installed in the middle of the inner wall of the pre-reaction tank body, and the planetary gear is meshed with the gear ring. Multiple steel ropes are evenly connected to the outer wall of the rotating rod, and the steel ropes are connected to the knocking balls. When the main shaft rotates, the rotating rods are driven to rotate in the pre-reaction tank body through the connecting seat, and the rotating rods are driven to rotate through the cooperation of the planetary gears and the gear ring, so that the steel ropes drive the knocking balls to rotate in the pre-reaction tank body, knock and beat the agglomerated materials, and break up the agglomerates in the raw materials themselves and the agglomerates generated during the reaction process, thereby enhancing the anti-caking and clogging effect.
[0009] Preferably, the circulation component includes a driving box, a conveying cylinder, a rotating shaft, two connecting pipes, a spiral conveying blade, a transmission wheel, a driving wheel and a transmission belt. The driving box is fixedly installed on the inner bottom end of the pre-reaction tank body, the conveying cylinder is fixedly connected to the right side wall of the pre-reaction tank body, the rotating shaft is rotatably installed inside the conveying cylinder, the upper and lower ends of the conveying cylinder are connected with connecting pipes, and the connecting pipes are connected with the upper and lower ends of the interior of the pre-reaction tank body. Spiral conveying blades are installed on the outer wall of the rotating shaft, a partition is provided at the bottom of the conveying cylinder, and a transmission wheel is installed at the bottom of the rotating shaft through the partition. The driving wheel is located inside the driving box and is installed on the outer wall of the main shaft. The interior of the driving box is connected with the bottom of the partition of the conveying cylinder, and the driving wheel and the transmission wheel are connected by a transmission belt. The circulation component includes a driving box, a conveying cylinder, a rotating shaft, two connecting pipes, a spiral conveying blade, a transmission wheel, a driving wheel and a transmission belt. The driving box is fixedly installed at the inner bottom end of the pre-reaction tank body, the conveying cylinder is fixedly connected to the right side wall of the pre-reaction tank body, the rotating shaft is rotatably installed inside the conveying cylinder, the upper and lower ends of the conveying cylinder are connected with connecting pipes, and the connecting pipes are connected with the upper and lower ends of the inner part of the pre-reaction tank body. Spiral conveying blades are installed on the outer wall of the rotating shaft, a partition is provided at the bottom of the conveying cylinder, and a transmission wheel is installed at the bottom of the rotating shaft through the partition. The driving wheel is located inside the driving box and is installed on the outer wall of the main shaft. The inside of the driving box is connected with the bottom of the partition of the conveying cylinder, and the driving wheel and the transmission wheel are connected by a transmission belt.
[0010] Preferably, the pre-reaction tank body is a double-layer structure, the middle part is a vacuum setting, and the bottom of the pre-reaction tank body is connected to a heating device, and the heating device is located inside the supporting base; the interior of the pre-reaction tank body is heated by the heating device, and the pre-reaction tank body adopts a double-layer structure, and the middle part is a vacuum setting, so as to reduce temperature loss, so that the reaction can be maintained within a suitable temperature range for a long time, so that the reactants can fully react, so that the product yield is high and the purity is high.
[0011] Compared with the prior art, the utility model has the following beneficial effects: the material is added into the pre-reaction tank body through the feed port, the driving motor is started to drive the stirring component to stir the mixed liquid through the transmission, the raw materials react fully, the anti-caking component can act on the agglomerated raw materials to break up the raw materials, and the circulation component allows the reactants to circulate and stir in the pre-reaction tank body, thus achieving uniform mixing and heating of the reactants to the greatest extent, effectively improving the reaction quality of the polycarboxylic acid water reducer during the pre-reaction, helping to improve the quality of the final product, and reducing the hidden dangers of the water reducer after it is used in the project. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model;
[0013] Figure 2 It is a front structural schematic diagram of the utility model;
[0014] Figure 3 It is a front cross-sectional structural schematic diagram of the utility model;
[0015] Figure 4 It is a schematic diagram of the internal structure of the utility model;
[0016] Figure 5 It is a partial structural schematic diagram of the utility model;
[0017] Markings in the attached drawings: 1. pre-reaction tank body; 2. support base; 3. feed port; 4. discharge pipe; 5. heating device; 6. transmission; 7. drive motor; 8. main shaft; 9. stirring blade; 10. stirring rod; 11. connecting seat; 12. rotating rod; 13. gear ring; 14. planetary gear; 15. steel rope; 16. knocking ball; 17. drive box; 18. conveying cylinder; 19. rotating shaft; 20. connecting pipe; 21. spiral conveying blade; 22. transmission wheel; 23. driving wheel; 24. transmission belt; 25. connecting rod; 26. first arc scraper; 27. second arc scraper. DETAILED DESCRIPTION
[0018] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.
[0019] Example 1
[0020] like Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, the bottom end of the pre-reaction tank body 1 is fixedly connected to a support base 2 to support the pre-reaction tank body 1, a feed port 3 is connected to the left side of the top of the pre-reaction tank body 1, the pre-reaction tank body 1 is a double-layer structure, the middle part is a vacuum setting, and the bottom of the pre-reaction tank body 1 is connected to a heating device 5, the heating device 5 is located inside the support base 2, the bottom left end of the pre-reaction tank body 1 is connected to a discharge pipe 4, and a discharge control valve is arranged on the discharge pipe 4, a transmission 6 is fixedly connected to the middle of the top end of the pre-reaction tank body 1, the input end of the transmission 6 is connected to the output end of the drive motor 7, and the input end of the main shaft 8 is connected to the output end of the transmission 6 A plurality of stirring blades 9 are axially and evenly installed on the upper part of the outer wall of the main shaft 8, a plurality of stirring rods 10 are evenly arranged and installed on the lower part of the outer wall of the main shaft 8, a plurality of homogenizing holes are evenly opened on the stirring blades 9, a connecting seat 11 is fixedly installed in the middle part of the main shaft 8, a plurality of rotating rods 12 are rotatably installed on the outer wall of the connecting seat 11, a planetary gear 14 is fixedly installed on the other end of the rotating rod 12, a gear ring 13 matching the planetary gear 14 is installed in the middle part of the inner wall of the pre-reaction tank body 1, the planetary gear 14 is meshed with the gear ring 13, a plurality of steel ropes 15 are evenly connected on the outer wall of the rotating rod 12, and a knocking ball 16 is connected to the steel rope 15;
[0021] The material is added into the pre-reaction tank body 1 through the feed port 3, and the driving motor 7 is started to drive the main shaft 8 to rotate in the pre-reaction tank body 1 through the transmission 6, thereby driving the stirring blade 9 and the stirring rod 10 to rotate. The stirring blade 9 can initially stir and disperse the agglomerated material. When the stirring blade 9 rotates, the mixed liquid passes through the uniform hole, so that the reactants are evenly mixed, which is conducive to full contact between the reactants, shortening the reaction time and improving the reaction effect. The stirring rod 10 stirs the mixed liquid at the bottom to make the raw materials fully react. The interior of the pre-reaction tank body 1 is heated by the heating device 5. The pre-reaction tank body 1 adopts A double-layer structure is used, and the middle part is vacuum-set to reduce temperature loss, so that the reaction can be maintained within a suitable temperature range for a long time, so that the reactants can fully react, and the product yield and purity are high. When the main shaft 8 rotates, the connecting seat 11 drives the rotating rod 12 to rotate in the pre-reaction tank body 1, and the planetary gear 14 and the gear ring 13 cooperate to drive the rotating rod 12 to rotate, so that the steel rope 15 drives the knocking ball 16 to rotate in the pre-reaction tank body 1, knocks and breaks up the agglomerated materials, breaks up the agglomerates in the raw materials themselves and the agglomerates generated during the reaction process, and enhances the anti-caking and clogging effect.
[0022] Example 2
[0023] like Figures 2 to 4As shown, on the basis of Example 1, it also includes a plurality of connecting rods 25 axially and evenly installed on the outer wall of the lower end of the main shaft 8, the other end of the connecting rod 25 is fixedly installed with a first arc scraper 26, the first arc scraper 26 is in sliding contact with the inner wall of the pre-reaction tank body 1, a plurality of second arc scrapers 27 are respectively fixedly installed on the stirring blade 9, the second arc scraper 27 is in contact with the inside of the pre-reaction tank body 1, the driving box 17 is fixedly installed on the inner bottom end of the pre-reaction tank body 1, the conveying cylinder 18 is fixedly connected to the right side wall of the pre-reaction tank body 1, and the rotating shaft 19 rotates It is installed inside the conveying cylinder 18, and the upper and lower ends of the conveying cylinder 18 are connected with connecting pipes 20, and the connecting pipes 20 are connected with the upper and lower ends of the interior of the pre-reaction tank body 1. A spiral conveying blade 21 is installed on the outer wall of the rotating shaft 19, and a partition is provided at the bottom of the conveying cylinder 18. A transmission wheel 22 is installed at the bottom of the rotating shaft 19 through the partition. The driving wheel 23 is located inside the driving box 17 and is installed on the outer wall of the main shaft 8. The interior of the driving box 17 is connected with the lower part of the partition of the conveying cylinder 18, and the driving wheel 23 and the transmission wheel 22 are connected through a transmission belt 24.
[0024] When the main shaft 8 rotates, the first arc scraper 26 is driven by the connecting rod 25, and the stirring blade 9 drives the second arc scraper 27 to rotate to scrape and clean the inner wall of the pre-reaction tank body 1, which can effectively avoid the reaction solid powder sticking to the wall of the inner wall of the pre-reaction tank body 1, and improve the material utilization efficiency. The main shaft 8 drives the transmission wheel 22 to rotate through the driving wheel 23 and the transmission belt 24, so that the transmission wheel 22 drives the rotating shaft 19 to rotate, and the lower reactant is transported upward through the spiral conveying blade 21, and re-input into the upper part of the pre-reaction tank body 1 through the connecting pipe 20, so that the reactant circulates and stirs in the pre-reaction tank body 1, and the uniform mixing and heating of the reactants are achieved to the greatest extent, which effectively improves the reaction quality of the polycarboxylic acid water reducer during the pre-reaction, helps to improve the final product quality, and reduces the hidden dangers of the water reducer after being used in the project.
[0025] like Figures 1 to 5As shown, a polycarboxylic acid-based water-reducing agent pre-reactor of the utility model, when working, the material is added into the pre-reaction tank body 1 through the feed port 3, the interior of the pre-reaction tank body 1 is heated by the heating device 5, the pre-reaction tank body 1 adopts a double-layer structure, and the middle part is a vacuum setting to reduce temperature loss, the driving motor 7 is started to drive the main shaft 8 to rotate in the pre-reaction tank body 1 through the transmission 6, thereby driving the stirring blade 9 and the stirring rod 10 to rotate, the stirring blade 9 can initially stir and break up the agglomerated materials, the stirring rod 10 stirs the mixed liquid at the bottom, so that the raw materials react fully, the main shaft 8 rotates and drives the first arc scraper 26 through the connecting rod 25, and at the same time the stirring blade 9 drives the second arc scraper 27 to rotate to scrape and clean the inner wall of the pre-reaction tank body 1, It can effectively avoid the phenomenon that the reaction solid powder sticks to the inner wall of the pre-reaction tank body 1. When the main shaft 8 rotates, the connecting seat 11 drives the rotating rod 12 to rotate in the pre-reaction tank body 1, and the planetary gear 14 and the gear ring 13 cooperate to drive the rotating rod 12 to rotate, so that the steel rope 15 drives the knocking ball 16 to rotate in the pre-reaction tank body 1, knocks and beats the agglomerated materials to break up, and breaks up the agglomerates in the raw materials themselves and the agglomerates generated in the reaction process. The main shaft 8 drives the transmission wheel 22 to rotate through the driving wheel 23 and the transmission belt 24, so that the transmission wheel 22 drives the rotating shaft 19 to rotate, and the lower reactants are transported upward through the spiral conveying blades 21, and are re-input into the upper part of the pre-reaction tank body 1 through the connecting pipe 20, so that the reactants circulate and are stirred in the pre-reaction tank body 1.
[0026] The heating device 5, the transmission 6 and the driving motor 7 of the polycarboxylic acid-based water-reducing agent pre-reactor of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in the field.
[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A polycarboxylic acid-based water-reducing agent pre-reactor, comprising a pre-reaction tank body (1), a support base (2), a feed port (3) and a discharge pipe (4), wherein the bottom end of the pre-reaction tank body (1) is fixedly connected to the support base (2) to support the pre-reaction tank body (1), the top left side of the pre-reaction tank body (1) is connected to the feed port (3), the bottom left end of the pre-reaction tank body (1) is connected to the discharge pipe (4), and a discharge control valve is arranged on the discharge pipe (4); characterized in that: The invention also comprises a transmission (6), a drive motor (7), a stirring assembly, a circulation assembly and an anti-caking assembly. The transmission (6) is fixedly connected to the middle of the top end of the pre-reaction tank body (1), the input end of the transmission (6) is connected to the output end of the drive motor (7), the stirring assembly is installed inside the pre-reaction tank body (1), and the input end of the stirring assembly is connected to the output end of the transmission (6), the circulation assembly is installed on the right side of the pre-reaction tank body (1), and the input end of the circulation assembly is connected to the output end of the stirring assembly, and the anti-caking assembly is located in the middle of the pre-reaction tank body (1) and is installed on the stirring assembly.
2. A polycarboxylic acid water reducer pre-reactor according to claim 1, characterized in that: The stirring assembly comprises a main shaft (8), a plurality of stirring blades (9) and a plurality of stirring rods (10); the input end of the main shaft (8) is connected to the output end of the transmission (6); the plurality of stirring blades (9) are axially and evenly mounted on the upper part of the outer wall of the main shaft (8); and the plurality of stirring rods (10) are evenly arranged and mounted on the lower part of the outer wall of the main shaft (8).
3. A polycarboxylic acid water reducer pre-reactor as claimed in claim 2, characterized in that: The stirring assembly further comprises a plurality of connecting rods (25), a plurality of first arc-shaped scrapers (26) and a plurality of second arc-shaped scrapers (27). The plurality of connecting rods (25) are axially and evenly mounted on the outer wall of the lower end of the main shaft (8). The other end of the connecting rod (25) is fixedly mounted with a first arc-shaped scraper (26), and the first arc-shaped scraper (26) is in sliding contact with the inner wall of the pre-reaction tank body (1). The plurality of second arc-shaped scrapers (27) are respectively fixedly mounted on the stirring blades (9), and the second arc-shaped scrapers (27) are in contact with the interior of the pre-reaction tank body (1).
4. A polycarboxylic acid water reducer pre-reactor as claimed in claim 2, characterized in that: The stirring blade (9) is evenly provided with a plurality of homogenizing holes.
5. A polycarboxylic acid water reducer pre-reactor as claimed in claim 2, characterized in that: The anti-caking component comprises a connecting seat (11), a plurality of rotating rods (12), a gear ring (13), a plurality of planetary gears (14), a plurality of steel ropes (15) and a plurality of knocking balls (16). The connecting seat (11) is fixedly mounted at the middle of a main shaft (8). A plurality of rotating rods (12) are rotatably mounted on the outer wall of the connecting seat (11). A planetary gear (14) is fixedly mounted on the other end of the rotating rod (12). A gear ring (13) matched with the planetary gear (14) is mounted at the middle of the inner wall of the pre-reaction tank body (1). The planetary gear (14) meshes with the gear ring (13). A plurality of steel ropes (15) are evenly connected to the outer wall of the rotating rod (12). The knocking balls (16) are connected to the steel ropes (15).
6. A polycarboxylic acid water reducer pre-reactor as claimed in claim 2, characterized in that: The circulation assembly comprises a driving box (17), a conveying cylinder (18), a rotating shaft (19), two connecting pipes (20), a spiral conveying blade (21), a transmission wheel (22), a driving wheel (23) and a transmission belt (24); the driving box (17) is fixedly mounted on the inner bottom end of the pre-reaction tank body (1); the conveying cylinder (18) is fixedly connected to the right side wall of the pre-reaction tank body (1); the rotating shaft (19) is rotatably mounted inside the conveying cylinder (18); the upper and lower ends of the conveying cylinder (18) are connected to the connecting pipe (20); the connecting pipe (21) is connected to the conveying cylinder (18); the conveying cylinder (18 ... The main shaft (8) is connected to the upper and lower ends of the pre-reaction tank body (1), a spiral conveying blade (21) is installed on the outer wall of the rotating shaft (19), a partition is provided at the bottom of the conveying cylinder (18), a transmission wheel (22) is installed at the bottom of the rotating shaft (19) through the partition, the driving wheel (23) is located inside the driving box (17) and is installed on the outer wall of the main shaft (8), the inside of the driving box (17) is connected to the lower part of the partition of the conveying cylinder (18), and the driving wheel (23) and the transmission wheel (22) are connected by a transmission belt (24).
7. A polycarboxylic acid water reducer pre-reactor according to claim 1, characterized in that: The pre-reaction tank body (1) is a double-layer structure, the middle part of which is vacuum-set, and the bottom of the pre-reaction tank body (1) is connected to a heating device (5), which is located inside the supporting base (2).