Salt forming reaction product filtering device

Abstract

The utility model discloses a salt forming reaction product filtering device and relates to the field of fine chemical engineering. The utility model relates to a salifying reaction product filtering device, which comprises a tank body, a filter cartridge, a filter screen, a filter screen, a filter screen, a filter screen, a filter screen, a filter screen and a filter screen, and is characterized in that the opening at the upper end of the tank body is in threaded connection with a tank cover; the driving mechanism is used for driving the filter cartridge to rotate and is mounted on the tank body; when liquid in a 3, 4-dimethylpyrazole phosphate solution is filtered out, the 3, 4-dimethylpyrazole phosphate solution can be filtered out under the action of centrifugal force, and the liquid can better pass through the filtering holes under the action of the air injection box, so that the filtering efficiency of the 3, 4-dimethylpyrazole phosphate solution can be improved, and the filtering efficiency of the 3, 4-dimethylpyrazole phosphate solution can be improved. The filtering effect of liquid in the 3, 4-dimethyl pyrazole phosphate solution can be improved, the filtering efficiency can be improved, the moisture of the filtered 3, 4-dimethyl pyrazole phosphate is effectively reduced, and the subsequent drying efficiency of the 3, 4-dimethyl pyrazole phosphate is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of fine chemical industry, and specifically relates to a salt-forming reaction product filtering device. Background Art

[0002] 3,4-Dimethylpyrazole phosphate, also known as DMPP, is an organic phosphate compound. 3,4-Dimethylpyrazole phosphate was originally developed by BASF in Germany as a nitrogen fertilizer nitrase inhibitor. It has the characteristics of high efficiency, non-toxicity, stability and specificity. It has been widely used in agricultural production and is currently the best nitrogen fertilizer synergist with broad application prospects.

[0003] 3,4-dimethylpyrazole is an important intermediate in the synthesis of 3,4-dimethylpyrazole phosphate and can be used to prepare 3,4-dimethylpyrazole phosphate. The specific steps are: dissolving 3,4-dimethylpyrazole in methanol, adding 85% phosphoric acid at room temperature to adjust the pH value to 3-7, continuing to stir and react at 15-25°C for 2 hours, and after the reaction is complete, filtering and drying to obtain 3,4-dimethylpyrazole phosphate.

[0004] In the prior art, when filtering a 3,4-dimethylpyrazole phosphate solution, the 3,4-dimethylpyrazole phosphate solution is usually poured onto a filter screen. Under the action of gravity, the liquid in the 3,4-dimethylpyrazole phosphate passes through the filter screen and is separated from the 3,4-dimethylpyrazole phosphate. Although this method can also complete the filtering operation of the 3,4-dimethylpyrazole phosphate, the filtration time is relatively long, and the water content of the 3,4-dimethylpyrazole phosphate after filtration is also relatively large, which affects the subsequent drying efficiency of the 3,4-dimethylpyrazole phosphate. In view of this, the present utility model is specially proposed. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a salt-forming reaction product filtering device which can overcome the above problems or at least partially solve the above problems.

[0006] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is: a salt-forming reaction product filtering device, including a tank body, a tank cover is threadedly connected to the opening at the upper end of the tank body, and also includes: a filter cartridge, which is arranged in the tank body; a driving mechanism for driving the filter cartridge to rotate, which is installed on the tank body; a fixing rod, which is fixedly connected to the lower end of the tank cover; a cartridge cover, which is rotatably connected to the fixing rod; a jet box, which is fixedly connected to the inner wall of the tank body at equidistant intervals around the circumference and close to the filter cartridge, and a plurality of the jet boxes are connected to each other through connecting air pipes, and a plurality of jet heads are equidistantly connected to one side of the jet box close to the filter cartridge, and an air inlet pipe is installed on the tank body, and the air inlet pipe is connected to one of the jet boxes.

[0007] Furthermore, the driving mechanism includes a motor, a transmission shaft, and a cross-shaped rod. The motor is fixedly connected to the bottom of the tank body, the transmission shaft is fixedly connected to the output end of the motor, the upper end of the transmission shaft extends upward into the tank body and is fixedly connected to the cross-shaped rod, and the cross-shaped rod is connected to the bottom of the filter cartridge.

[0008] In order to facilitate the removal of the filter cartridge, further, the bottom of the filter cartridge is fixedly connected with a plurality of sockets used in conjunction with a cross-shaped rod, the end of the cross-shaped rod away from the transmission shaft is inserted into the socket, and the upper opening of the filter cartridge is fixedly connected with a circle of lifting ring through a connecting rod.

[0009] In order to improve the dehydration effect of 3,4-dimethylpyrazole phosphate, further, a plurality of scrapers are fixedly connected to the lower side of the cylinder cover on the fixing rod through supporting rods at equal intervals in a circle, and the scrapers are slidably attached to the inner wall of the filter cylinder.

[0010] In order to prevent 3,4-dimethylpyrazole phosphate from accumulating between the scraper and the inner wall of the filter cartridge, further, the side surface of the scraper is inclined.

[0011] In order to facilitate observation of the filtering condition of 3,4-dimethylpyrazole phosphate, further, an observation window is fixedly connected to the tank body, and the observation window is located between any two adjacent jet boxes.

[0012] After adopting the above technical scheme, the utility model has the following beneficial effects compared with the prior art: the utility model uses the filter cartridge, cartridge cover, drive mechanism, jet box and other components in coordination, so that when filtering the liquid in the 3,4-dimethylpyrazole phosphate solution, the 3,4-dimethylpyrazole phosphate solution can be filtered out under the action of centrifugal force, and under the action of the jet box, the liquid can pass through the filter holes better, which can not only improve the filtering effect of the liquid in the 3,4-dimethylpyrazole phosphate solution, but also improve the filtering efficiency, effectively reduce the moisture of the 3,4-dimethylpyrazole phosphate after filtering, and improve the subsequent drying efficiency of the 3,4-dimethylpyrazole phosphate.

[0013] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In the attached picture:

[0015] Figure 1 This is a structural schematic diagram of a salt-forming reaction product filtering device proposed by the utility model;

[0016] Figure 2A partial cross-sectional view of a salt-forming reaction product filtering device proposed in the utility model Figure 1 ;

[0017] Figure 3 A partial cross-sectional view of a salt-forming reaction product filtering device proposed in the utility model Figure 2 ;

[0018] Figure 4 The utility model discloses a structural schematic diagram of a filter cartridge, a cartridge cover, a fixing rod, a lifting ring, a scraper and a socket in a salt-forming reaction product filtering device.

[0019] In the figure: 1. tank body; 101. observation window; 102. jet box; 2. tank cover; 201. fixing rod; 202. cylinder cover; 203. scraper; 3. filter cylinder; 301. lifting ring; 302. socket; 4. motor; 401. transmission shaft; 402. cross rod. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0021] Embodiment 1:

[0022] Reference Figure 1-Figure 4 A salt-forming reaction product filtering device comprises a tank body 1, a tank cover 2 is threadedly connected to the opening at the upper end of the tank body 1, and also comprises: a filter cartridge 3, which is arranged in the tank body 1; a driving mechanism for driving the filter cartridge 3 to rotate, which is installed on the tank body 1; a fixing rod 201, which is fixedly connected to the lower end of the tank cover 2; a cartridge cover 202, which is rotatably connected to the fixing rod 201; a jet box 102, which is fixedly connected to the inner wall of the tank body 1 at equidistant intervals around the circumference and close to the filter cartridge 3, a plurality of jet boxes 102 are connected to each other through connecting air pipes, a plurality of jet heads are equidistantly connected to one side of the jet box 102 close to the filter cartridge 3, and an air inlet pipe is installed on the tank body 1, which is connected to one of the jet boxes 102.

[0023] The driving mechanism includes a motor 4, a transmission shaft 401, and a cross-shaped rod 402. The motor 4 is fixedly connected to the bottom of the tank body 1, the transmission shaft 401 is fixedly connected to the output end of the motor 4, the upper end of the transmission shaft 401 extends upward into the tank body 1 and is fixedly connected to the cross-shaped rod 402, and the cross-shaped rod 402 is connected to the bottom of the filter cartridge 3.

[0024] When the 3,4-dimethylpyrazole phosphate solution needs to be filtered and dehydrated, the tank cover 2 is first opened, and then the 3,4-dimethylpyrazole phosphate solution can be poured into the filter cartridge 3. At this time, most of the liquid in the 3,4-dimethylpyrazole phosphate solution will be discharged into the tank body 1 through the filter holes of the filter cartridge 3, and discharged through the drain pipe set at the bottom. After the 3,4-dimethylpyrazole phosphate solution is poured into the filter cartridge 3, the tank cover 2 can be covered, and then the cartridge cover 202 will be on the fixing rod 2. 01, it abuts against the open end of the filter cartridge 3, thereby blocking the mouth of the filter cartridge 3 to prevent the subsequent discharge of 3,4-dimethylpyrazole phosphate from the mouth of the filter cartridge 3 when the filter cartridge 3 rotates, thereby affecting the collection amount of 3,4-dimethylpyrazole phosphate. After the cartridge cover 202 is covered, the motor 4 can be started at this time, and the motor 4 will drive the transmission shaft 401 to rotate, and the transmission shaft 401 will drive the filter cartridge 3 to rotate through the cross rod 402, and then the filter cartridge 3 will drive the 3,4-dimethyl The pyrazole phosphate solution rotates, so that the liquid in the 3,4-dimethylpyrazole phosphate solution can be thrown out through the filter holes under the action of centrifugal force, so that it can be separated from the 3,4-dimethylpyrazole phosphate. When the motor 4 is started, the clean gas is transported to the jet box 102 through the air intake pipe. Since the multiple jet boxes 102 are interconnected through the connecting air pipes, the multiple jet boxes 102 will be filled with clean gas at the same time. Among them, the nozzle on the jet box 102 is a boost nozzle. When the jet box 1 When the gas pressure in 02 reaches a certain value, it will be sprayed toward the filter cartridge 3 through the nozzle to blow off the 3,4-dimethylpyrazole phosphate attached to the filter holes of the filter cartridge 3, so that the liquid in the 3,4-dimethylpyrazole phosphate solution can better flow out of the filter cartridge 3 through the filter holes, effectively improving the filtering effect of the liquid in the 3,4-dimethylpyrazole phosphate solution, effectively reducing the moisture content of the 3,4-dimethylpyrazole phosphate, and improving the subsequent drying efficiency of the 3,4-dimethylpyrazole phosphate.

[0025] Embodiment 2:

[0026] Reference Figure 1-Figure 4, a salt-forming reaction product filtering device, which is basically the same as Example 1, and further: a plurality of sockets 302 used in conjunction with a cross-shaped rod 402 are fixedly connected to the bottom of the filter cartridge 3, and the end of the cross-shaped rod 402 away from the transmission shaft 401 is inserted into the socket 302, and a circle of lifting ring 301 is fixedly connected to the opening of the upper end of the filter cartridge 3 through a connecting rod. By making the cross-shaped rod 402 and the bottom of the filter cartridge 3 detachably connected through the socket 302, when the dehydration of 3,4-dimethylpyrazole phosphate is completed, after opening the tank cover 2 and the cylinder cover 202, the staff can take the filter cartridge 3 out of the tank body 1 through the lifting ring 301, thereby facilitating the staff to take out the 3,4-dimethylpyrazole phosphate from the filter cartridge 3 for the next drying operation.

[0027] A plurality of scrapers 203 are fixedly connected to the fixed rod 201 at equal intervals on the lower side of the cylinder cover 202 through supporting rods. The scrapers 203 slide against the inner wall of the filter cylinder 3. When the filter cylinder 3 rotates to centrifugally dehydrate the 3,4-dimethylpyrazole phosphate, the scrapers 203 can scrape the 3,4-dimethylpyrazole phosphate attached to the inner wall of the filter cylinder 3, thereby further improving the dehydration effect of the 3,4-dimethylpyrazole phosphate.

[0028] The side surface of the scraper 203 is inclined. By setting the side surface of the scraper 203 at an inclination, when the scraper 203 scrapes off the 3,4-dimethylpyrazole phosphate attached to the inner wall of the filter cartridge 3, it can guide the 3,4-dimethylpyrazole phosphate and prevent part of the 3,4-dimethylpyrazole phosphate from accumulating between the scraper 203 and the inner wall of the filter cartridge 3 to affect the water removal effect.

[0029] An observation window 101 is fixedly connected to the tank body 1, and the observation window 101 is located between any two adjacent jet boxes 102. Through the setting of the observation window 101, when filtering out 3,4-dimethylpyrazole phosphate, the staff can observe the filtering condition of the liquid through the observation window 101, thereby facilitating the judgment of whether the filtering operation is completed, thereby improving the preparation efficiency of 3,4-dimethylpyrazole phosphate.

[0030] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment, it is not intended to limit the present invention.

Claims

1. A salt-forming reaction product filtering device, characterized in that: The invention comprises a tank body (1), wherein a tank cover (2) is threadedly connected to an opening at the upper end of the tank body (1), and further comprises: A filter cartridge (3) is arranged in the tank body (1); A driving mechanism for driving the filter cartridge (3) to rotate, mounted on the tank body (1); A fixing rod (201) fixedly connected to the lower end of the tank cover (2); A cylinder cover (202) rotatably connected to the fixing rod (201); The jet boxes (102) are fixedly connected to the inner wall of the tank body (1) at equal intervals in a circle and close to the filter cartridge (3). The plurality of jet boxes (102) are interconnected via connecting air pipes. A plurality of jet heads are connected at equal intervals on one side of the jet box (102) close to the filter cartridge (3). An air intake pipe is installed on the tank body (1), and the air intake pipe is connected to one of the jet boxes (102).

2. A salt-forming reaction product filtering device according to claim 1, characterized in that: The driving mechanism comprises a motor (4), a transmission shaft (401), and a cross-shaped rod (402); the motor (4) is fixedly connected to the bottom of the tank body (1); the transmission shaft (401) is fixedly connected to the output end of the motor (4); the upper end of the transmission shaft (401) extends upward into the tank body (1) and is fixedly connected to the cross-shaped rod (402); and the cross-shaped rod (402) is connected to the bottom of the filter cartridge (3).

3. A salt-forming reaction product filtering device according to claim 2, characterized in that: The bottom of the filter cartridge (3) is fixedly connected to a plurality of sockets (302) for use with a cross-shaped rod (402); the end of the cross-shaped rod (402) away from the transmission shaft (401) is inserted into the socket (302); and a lifting ring (301) is fixedly connected to the upper opening of the filter cartridge (3) via a connecting rod.

4. A salt-forming reaction product filtering device according to claim 1, characterized in that: A plurality of scrapers (203) are fixedly connected to the fixing rod (201) at the lower side of the cylinder cover (202) via supporting rods at equal intervals in a circle, and the scrapers (203) are slidably attached to the inner wall of the filter cylinder (3).

5. A salt-forming reaction product filtering device according to claim 4, characterized in that: The side surface of the scraper (203) is arranged to be inclined.

6. A salt-forming reaction product filtering device according to claim 1, characterized in that: An observation window (101) is fixedly connected to the tank body (1), and the observation window (101) is located between any two adjacent jet boxes (102).

Images