Impurity filtering device for water reducing agent preparation

Abstract

The utility model provides an impurity filtering device for water reducing agent preparation, and relates to the technical field of water reducing agent preparation, the impurity filtering device comprises a filtering tank, a liquid conveying pipe, a liquid outlet pipe, a collecting hopper and a discharging pipe, a filter screen cylinder is fixed in the filtering tank, and a cleaning mechanism is arranged in the filtering tank; air is conveyed to the bottom end of the feeding hopper through the booster pump so as to blow flocculating agent powder into the material conveying pipe, and the flocculating agent powder is conveyed into the filtering tank through the material conveying pipe so as to condense impurities in a water reducing agent together. A water reducing agent stock solution filtered by the filter screen cylinder enters the liquid outlet pipe to be output outwards, the motor can drive the scraping plate to rotate on the inner side of the filter screen cylinder through the rotating shaft, the scraping plate and the filter screen cylinder are attached together, and the scraping plate can scrape impurities on the inner side of the filter screen cylinder, so that the impurities automatically fall into the collecting hopper and flow to the outside through the discharging pipe. The cleaning device is used for cleaning the inner side of the filter screen cylinder.

Description

Technical Field

[0001] The utility model relates to the technical field of water reducing agent preparation, in particular to an impurity filtering device for water reducing agent preparation. Background Art

[0002] Concrete water reducer is a chemical additive in building materials. Its chemical name is sodium methylene dimethyl dinaphthalene sulfonate polymer. Water reducer is made of methylnaphthalene and sulfur trioxide as raw materials. After sulfonation, condensation, neutralization and other reactions, it is finally dried to obtain the finished product. Water reducer can improve the rheological properties of concrete mixing, adjust the setting time of concrete, improve the durability of concrete, etc. It is widely used.

[0003] The existing water reducer is a chemical reaction during preparation, and a large amount of impurities will be generated during the preparation process. Therefore, filtration is essential in the production step of the water reducer. The existing filtering equipment can only clean the impurities after the whole batch of water reducer is filtered. The filtered impurities are easily accumulated near the filter holes, causing the filter holes to be blocked, resulting in reduced efficiency of water reducer filtration. Therefore, the utility model proposes a water reducer preparation impurity filtering device to solve the above problem. Utility Model Content

[0004] In view of the above problems, the utility model proposes an impurity filtering device for preparing a water reducer to solve the problem in the prior art that impurities can only be cleaned after the entire batch of water reducer is filtered, and the filtered impurities are easily accumulated near the filter holes, causing the filter holes to be blocked, resulting in reduced efficiency of water reducer filtration.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical scheme: a water reducing agent preparation impurity filtering device, including a filter tank, an infusion pipe, a liquid outlet pipe, a collecting hopper and a discharge pipe, one side of the top of the filter tank is connected to the infusion pipe, one side of the bottom of the filter tank is connected to the liquid outlet pipe, the bottom end of the filter tank is connected to the collecting hopper, the bottom end of the collecting hopper is connected to the discharge pipe, a filter screen cylinder is fixed inside the filter tank, and a cleaning mechanism is provided inside the filter tank.

[0006] A further improvement is that the cleaning mechanism includes a rotating shaft, a scraper and a motor, a rotating shaft is rotatably connected to the upper part of the filter tank, a plurality of scrapers are fixed to the outer side of the rotating shaft, a motor is installed on the top of the filter tank, and the output end of the motor is fixedly connected to the top end of the rotating shaft.

[0007] A further improvement is that one side of the scraper is fitted and connected to the inner side of the filter cylinder, adjacent scrapers are perpendicular to each other, and the length of the filter cylinder is equal to the sum of the vertical heights of the multiple scrapers.

[0008] A further improvement is that one end of the infusion tube extends to above the filter cylinder, one end of the liquid outlet tube extends to between the filter cylinder and the filter tank, and a feeding mechanism is provided on the top of the filter tank.

[0009] Further improvements are: the feeding mechanism includes a feed hopper, a booster pump and a feed pipe, the top of the filter tank is fixedly connected to the side away from the infusion pipe with a fixing frame, the top of the fixing frame is equipped with a feed hopper, one side of the fixing frame is equipped with a booster pump, the bottom end of the feed hopper is connected to the feed pipe, and the top of the feed hopper is provided with a sealing cover.

[0010] A further improvement is that one end of the feed pipe is inserted into the top of the filter tank and is provided with an elbow, a filter element is provided at the bottom end of the feed hopper, and the output end of the booster pump is connected to one end of the filter element.

[0011] A further improvement is that a nozzle is connected to the top of the interior of the filter tank, a water pump is installed on the top of the filter tank, and the output end of the water pump is connected to the interior of the nozzle.

[0012] The beneficial effects of the utility model are as follows: the booster pump delivers air to the bottom end of the feed hopper to blow the flocculant powder into the interior of the feed pipe, and the flocculant powder is delivered into the interior of the filter tank through the feed pipe to condense the impurities inside the water reducer together. After being filtered by the filter screen cylinder, the water reducer concentrate enters the interior of the liquid outlet pipe and is output outwardly. The motor can drive the scraper to rotate on the inner side of the filter screen cylinder through the rotating shaft. The scraper and the filter screen cylinder are fitted together. The scraper can scrape off the impurities on the inner side of the filter screen cylinder, so that the impurities automatically fall into the interior of the collecting hopper and flow to the outside through the discharge pipe to clean the inner side of the filter screen cylinder, so as to solve the problem that in the prior art, the impurities can be cleaned only after the whole batch of water reducer is filtered, and the filtered impurities are easily accumulated near the filter holes, causing the filter holes to be blocked, resulting in reduced efficiency of water reducer filtration. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the feeding mechanism of the utility model.

[0016] Among them: 1. Filter tank; 2. Infusion pipe; 3. Discharge pipe; 4. Collecting hopper; 5. Discharge pipe; 6. Filter cylinder; 7. Rotating shaft; 8. Scraper; 9. Motor; 10. Feed hopper; 11. Booster pump; 12. Filter element; 13. Infusion pipe; 14. Water pump; 15. Nozzle; 16. Fixed bracket. DETAILED DESCRIPTION

[0017] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with an embodiment. The embodiment is only used to explain the present invention and does not constitute a limitation on the protection scope of the present invention.

[0018] according to Figure 1 , 2 As shown in Figure 3, this embodiment proposes an impurity filtering device for preparing a water reducing agent, comprising a filter tank 1, an infusion pipe 2, an outlet pipe 3, a collecting hopper 4 and a discharge pipe 5, one side of the top of the filter tank 1 is connected to the infusion pipe 2, one side of the bottom of the filter tank 1 is connected to the outlet pipe 3, the bottom end of the filter tank 1 is connected to the collecting hopper 4, the bottom end of the collecting hopper 4 is connected to the discharge pipe 5, a filter screen cylinder 6 is fixed inside the filter tank 1, and a cleaning mechanism is provided inside the filter tank 1, the water reducing agent stock solution is transported into the interior of the filter tank 1 through the infusion pipe 2, and a flocculant is added into the interior of the filter tank 1 to condense the impurities inside the water reducing agent, and after being filtered by the filter screen cylinder 6, the water reducing agent stock solution enters the interior of the outlet pipe 3 and is output outwardly, and then the impurities adhering to the inner side of the filter screen cylinder 6 can be cleaned into the interior of the collecting hopper 4 by the cleaning mechanism, and discharged to the outside through the discharge pipe 5.

[0019] The cleaning mechanism includes a rotating shaft 7, a scraper 8 and a motor 9. The rotating shaft 7 is rotatably connected to the upper part of the inside of the filter tank 1, and multiple scrapers 8 are fixed on the outside of the rotating shaft 7. A motor 9 is installed on the top of the filter tank 1, and the output end of the motor 9 is fixedly connected to the top of the rotating shaft 7. One side of the scraper 8 is fitted and connected to the inner side of the filter cylinder 6. The positions of adjacent scrapers 8 are perpendicular to each other. The length of the filter cylinder 6 is equal to the sum of the vertical heights of multiple scrapers 8. The motor 9 can drive the scraper 8 to rotate on the inner side of the filter cylinder 6 through the rotating shaft 7. The scraper 8 is fitted together with the filter cylinder 6. The scraper 8 can scrape off the impurities on the inner side of the filter cylinder 6, so that the impurities automatically fall into the inside of the collecting hopper 4 and flow to the outside through the discharge pipe 5 to clean the inner side of the filter cylinder 6.

[0020] One end of the infusion pipe 2 extends to the top of the filter screen cylinder 6, and one end of the liquid outlet pipe 3 extends to between the filter screen cylinder 6 and the filter tank 1. A feeding mechanism is provided on the top of the filter tank 1, and the feeding mechanism includes a feed hopper 10, a booster pump 11 and a delivery pipe 13. A fixing frame 16 is fixedly connected to the side of the top of the filter tank 1 away from the infusion pipe 2, and the feed hopper 10 is installed on the top of the fixing frame 16. The booster pump 11 is installed on one side of the fixing frame 16. The bottom end of the feed hopper 10 is connected to the delivery pipe 13, and a sealing cover is provided on the top of the feed hopper 10. One end of the delivery pipe 13 is inserted into the top of the filter tank 1 and is provided with a Elbow, a filter element 12 is provided at the bottom end of the feed hopper 10, and the output end of the booster pump 11 is connected to one end of the filter element 12. The sealing cover is opened to convey the flocculant powder into the interior of the feed hopper 10, and then the sealing cover is closed back on the top of the feed hopper 10. The booster pump 11 conveys air to the bottom end of the feed hopper 10 to blow the flocculant powder into the interior of the feed pipe 13, and the flocculant powder is conveyed into the interior of the filter tank 1 through the feed pipe 13. The elbow on the feed pipe 13 also prevents the powder from flowing back. The filter element 12 can separate the booster pump 11 from the bottom end of the feed hopper 10 to prevent the flocculant powder from entering the interior of the booster pump 11 and causing damage.

[0021] A nozzle 15 is connected to the top of the filter tank 1, and a water pump 14 is installed on the top of the filter tank 1. The output end of the water pump 14 is connected to the inside of the nozzle 15. After the water reducer is discharged from the inside of the filter tank 1, the input end of the water pump 14 can be connected to an external water source, and the external water source can be transported into the nozzle 15 through the water pump 14. Water can be transported into the inside of the filter tank 1 through the nozzle 15, so as to automatically clean the inside of the filter tank 1, and the sewage is discharged to the outside through the discharge pipe 5.

[0022] The impurity filtering device, the booster pump 11 conveys air to the bottom end of the feed hopper 10, so as to blow the flocculant powder into the interior of the feed pipe 13, and convey the flocculant powder into the interior of the filter tank 1 through the feed pipe 13, so as to condense the impurities inside the water reducer together, and the water reducer concentrate after being filtered by the filter screen cylinder 6 enters the interior of the liquid outlet pipe 3 and is output outwardly, the motor 9 can drive the scraper 8 to rotate on the inner side of the filter screen cylinder 6 through the rotating shaft 7, and the scraper 8 is fitted together with the filter screen cylinder 6, and the scraper 8 can scrape off the impurities inside the filter screen cylinder 6, so that the impurities automatically fall into the interior of the collecting hopper 4, and flow to the outside through the discharge pipe 5, so as to clean the inner side of the filter screen cylinder 6.

[0023] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A device for filtering impurities in the preparation of a water reducing agent, comprising a filter tank (1), a liquid infusion pipe (2), a liquid outlet pipe (3), a collecting hopper (4) and a discharge pipe (5), characterized in that: One side of the top of the filter tank (1) is connected to a liquid infusion pipe (2), one side of the bottom of the filter tank (1) is connected to a liquid outlet pipe (3), the bottom end of the filter tank (1) is connected to a collecting hopper (4), the bottom end of the collecting hopper (4) is connected to a discharge pipe (5), a filter screen cylinder (6) is fixed inside the filter tank (1), and a cleaning mechanism is provided inside the filter tank (1); The cleaning mechanism comprises a rotating shaft (7), a scraper (8) and a motor (9); the upper part of the interior of the filter tank (1) is rotatably connected to the rotating shaft (7); a plurality of scrapers (8) are fixed to the outer side of the rotating shaft (7); the top of the filter tank (1) is equipped with a motor (9); the output end of the motor (9) is fixedly connected to the top end of the rotating shaft (7).

2. The impurity filtering device for preparing a water reducing agent according to claim 1, characterized in that: One side of the scraper (8) is closely connected to the inner side of the filter cylinder (6), the positions of adjacent scrapers (8) are perpendicular to each other, and the length of the filter cylinder (6) is equal to the sum of the vertical heights of the plurality of scrapers (8).

3. The impurity filtering device for preparing a water reducing agent according to claim 1, characterized in that: One end of the liquid infusion tube (2) extends to the top of the filter cylinder (6), one end of the liquid outlet tube (3) extends to between the filter cylinder (6) and the filter tank (1), and a loading mechanism is provided on the top of the filter tank (1).

4. The impurity filtering device for preparing a water reducing agent according to claim 3, characterized in that: The feeding mechanism comprises a feed hopper (10), a booster pump (11) and a delivery pipe (13); a fixing frame (16) is fixedly connected to the top of the filter tank (1) on a side away from the delivery pipe (2); the feed hopper (10) is installed on the top of the fixing frame (16); a booster pump (11) is installed on one side of the fixing frame (16); the bottom end of the feed hopper (10) is connected to the delivery pipe (13); and a sealing cover is provided on the top end of the feed hopper (10).

5. The impurity filtering device for preparing a water reducing agent according to claim 4, characterized in that: One end of the feed pipe (13) is inserted into the top of the filter tank (1) and is provided with an elbow, the bottom end of the feed hopper (10) is provided with a filter element (12), and the output end of the booster pump (11) is connected to one end of the filter element (12).

6. The impurity filtering device for preparing a water reducing agent according to claim 1, characterized in that: The top of the filter tank (1) is connected to a nozzle (15), and a water pump (14) is installed on the top of the filter tank (1), and the output end of the water pump (14) is connected to the inside of the nozzle (15).

Images