CN219518866U

CN219518866U - Urea hydrolysis device

Info

Publication number: CN219518866U
Application number: CN202320184695.8U
Authority: CN
Inventors: 张力; 万建华; 徐化林; 施爱民; 邓强; 张喆; 李舒婷; 陈华益
Original assignee: Huaqiang Chemical Group Co Ltd
Current assignee: Huaqiang Chemical Group Co Ltd
Priority date: 2023-01-31
Filing date: 2023-01-31
Publication date: 2023-08-15
Anticipated expiration: 2033-01-31

Abstract

The utility model provides a urea hydrolysis device, which belongs to the technical field of flue gas denitration, and comprises: the reaction kettle comprises a base, two supporting plates, wherein the two supporting plates are symmetrically and fixedly arranged on the upper surface of the base, the reaction kettle is rotationally arranged between the two supporting plates, the stirring assembly comprises a fixing rod, a spring rod, a stirring rod and a supporting rod, the supporting rod is fixedly arranged on the upper surface of the base, the fixing rod is fixedly arranged on the surface of the supporting rod, the fixing rod is fixedly connected with a plurality of spring rods, the spring rods are respectively and fixedly connected with the two stirring rods, the transmission assembly comprises a servo motor, a rotating rod, a driving wheel, a rotating sleeve, a driven wheel and a belt. According to the utility model, through the mutual coordination of the reaction kettle, the fixing component, the stirring component and the transmission component, the reaction kettle is heated uniformly in the heating process, the reaction is more complete, and the reaction efficiency is improved.

Description

Urea hydrolysis device

Technical Field

The utility model relates to the technical field of flue gas denitration, in particular to a urea hydrolysis device.

Background

Urea is also called urea and carbamide, and has the chemical formula of CH ₄ N ₂ O is an organic compound composed of carbon, nitrogen, oxygen and hydrogen, is a white crystal, is one of the simplest organic compounds, is a main nitrogen-containing end product of protein metabolism and decomposition in mammals and certain fish bodies, is used as a neutral fertilizer, and urea is applicable to various soils and plants, is easy to store and convenient to use, has small damage to the soil, is a chemical nitrogen fertilizer with larger use amount, and is also a nitrogen fertilizer with highest nitrogen content.

The urea is decomposed into ammonia and carbon dioxide gas in the hydrolysis reaction and the water reaction, so that the required ammonia is obtained, but in the heating process of the urea hydrolysis reaction, the heating of the reaction kettle is easy to be uneven, so that the reaction is insufficient, and the reaction efficiency is greatly reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a urea hydrolysis device, which solves the problems that the reaction kettle is heated unevenly easily in the heating process of urea hydrolysis reaction, so that the reaction is insufficient and the reaction efficiency is greatly reduced.

An embodiment of the present utility model provides a urea hydrolysis apparatus including:

the reaction kettle is characterized in that a feed inlet and a discharge outlet are respectively formed in two sides of the reaction kettle, and an air duct is rotatably arranged at the discharge outlet;

the fixing assembly comprises a base and two supporting plates, the two supporting plates are symmetrically and fixedly arranged on the upper surface of the base, rotating holes are formed in the surfaces of the two supporting plates, and the reaction kettle is rotatably inserted into the two rotating holes;

the stirring assembly comprises a fixed rod, a plurality of spring rods, two stirring rods and a supporting rod, wherein the supporting rod is vertically and fixedly arranged on the upper surface of the base, the fixed rod is horizontally and fixedly arranged on the surface of the supporting rod, one end, far away from the supporting rod, of the fixed rod penetrates into the reaction kettle and is fixedly connected with the plurality of spring rods, and one end, far away from the fixed rod, of the plurality of spring rods is respectively fixedly connected with the two stirring rods;

the transmission assembly comprises a servo motor fixedly arranged on the upper surface of the base, a rotating rod rotatably arranged on the supporting rod, a driving wheel fixedly sleeved on the rotating rod, a rotating sleeve rotatably sleeved on the fixing rod, a driven wheel fixedly sleeved on the rotating sleeve and a belt, one end of the rotating sleeve, which is close to the reaction kettle, is fixedly connected with the side surface of the reaction kettle, an output shaft of the servo motor is fixedly connected with the rotating rod, and the belt is fixedly sleeved on the driving wheel and the driven wheel;

further, the method further comprises the following steps: the adsorption component comprises a mounting block, a connecting rod and an absorbent, wherein the mounting block is fixedly arranged on the surface of the air duct, a threaded hole communicated with the air duct is formed in the surface of the mounting block, threads meshed with threads in the threaded hole are formed in the surface of the connecting rod, one end of the connecting rod is fixedly connected with the absorbent, and the threads of the connecting rod are inserted into the threaded hole.

Further, the surfaces of the two stirring rods are fixedly provided with scraping blades, and the two scraping blades are in sliding contact with the inner wall of the reaction kettle.

Further, the concentric shaft of the reaction kettle is overlapped with the concentric shaft of the fixed rod.

Further, the diameter of the driving wheel is smaller than that of the driven wheel.

Further, the feeding hole and the discharging hole are fixedly provided with manual valves.

Compared with the prior art, the utility model has the following beneficial effects:

according to the urea hydrolysis reaction kettle, the fixing component, the stirring component and the transmission component are matched with each other, so that the reaction kettle can be continuously rotated in the urea hydrolysis reaction heating process, the reaction kettle is heated uniformly, the reaction is more complete, and the reaction efficiency is greatly improved.

Drawings

Fig. 1 is a front cross-sectional view of a urea hydrolysis apparatus according to an embodiment of the present utility model.

Fig. 2 is a schematic side view of a urea hydrolysis apparatus according to an embodiment of the present utility model.

Fig. 3 is an enlarged view of the structure at a in fig. 1.

Fig. 4 is an enlarged view of the structure at B in fig. 1.

In the above figures: 1. a reaction kettle; 2. a base; 3. a support plate; 4. a fixed rod; 5. a spring rod; 6. a stirring rod; 7. a support rod; 8. a servo motor; 9. a rotating lever; 10. a driving wheel; 11. a rotating sleeve; 12. driven wheel; 13. an air duct; 14. a mounting block; 15. a connecting rod; 16. and (5) scraping the blade.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

As shown in fig. 1-4, an embodiment of the present utility model provides a urea hydrolysis apparatus, including:

the reaction kettle 1, two sides of the reaction kettle 1 are respectively provided with a feed inlet and a discharge outlet, and the discharge outlet is rotatably provided with an air duct 13;

the fixing assembly comprises a base 2 and two support plates 3, the two support plates 3 are symmetrically and fixedly arranged on the upper surface of the base 2, the surfaces of the two support plates 3 are provided with rotating holes, and the reaction kettle 1 is rotatably inserted into the two rotating holes;

the stirring assembly comprises a fixed rod 4, a plurality of spring rods 5, two stirring rods 6 and a supporting rod 7, wherein the supporting rod 7 is vertically and fixedly arranged on the upper surface of the base 2, the fixed rod 4 is horizontally and fixedly arranged on the surface of the supporting rod 7, one end, far away from the supporting rod 7, of the fixed rod 4 penetrates into the reaction kettle 1 and is fixedly connected with the plurality of spring rods 5, and one end, far away from the fixed rod 4, of the plurality of spring rods 5 is respectively fixedly connected with the two stirring rods 6;

the transmission assembly comprises a servo motor 8 fixedly arranged on the upper surface of the base 2, a rotating rod 9 rotatably arranged on the supporting rod 7, a driving wheel 10 fixedly sleeved on the rotating rod 9, a rotating sleeve 11 rotatably sleeved on the fixed rod 4, a driven wheel 12 fixedly sleeved on the rotating sleeve 11 and a belt, one end of the rotating sleeve 11 close to the reaction kettle 1 is fixedly connected with the side surface of the reaction kettle 1, an output shaft of the servo motor 8 is fixedly connected with the rotating rod 9, and the belt is sleeved on the driving wheel 10 and the driven wheel 12;

the adsorption component comprises a mounting block 14, a connecting rod 15 and an absorbent, wherein the mounting block 14 is fixedly arranged on the surface of the air duct 13, a threaded hole communicated with the air duct 13 is formed in the surface of the mounting block 14, threads meshed with the threads in the threaded hole are formed in the surface of the connecting rod 15, one end of the connecting rod 15 is fixedly connected with the absorbent, and the threads of the connecting rod 15 are inserted into the threaded hole.

The surfaces of the two stirring rods 6 are fixedly provided with scraping blades 16, and the two scraping blades 16 are in sliding contact with the inner wall of the reaction kettle 1.

The concentric shaft of the reaction kettle 1 and the concentric shaft of the fixed rod 4 are overlapped, the reaction kettle 1 rotates, and the stirring rod 6 fixedly arranged on the surface of the fixed rod 4 rotates relative to the reaction kettle 1 in the reaction kettle 1, so that the stirring rod 6 rotates relative to the concentric shaft of the reaction kettle 1.

The diameter of the driving wheel 10 is smaller than that of the driven wheel 12, and the reaction kettle 1 can not rotate too fast through the transmission ratio between the driving wheel 10 and the driven wheel 12, so that heating is more uniform in the heating process.

The manual valve is fixedly arranged at the feed inlet and the discharge outlet, the manual valve is manually opened, then the reaction material is added from the feed inlet, and then the gas generated by the reaction is discharged from the discharge outlet.

The detailed working process of the utility model is as follows:

1. when the staff hydrolyzes urea, first open the manual valve of feed inlet department, add the urea that will decompose into reation kettle 1, in closing the manual valve, heat it through the heating pipe, in the in-process of heating, the staff opens servo motor 8 in the drive assembly at first (servo motor 8 is prior art, do not describe in detail here), then servo motor 8's output shaft drives dwang 9 and rotates, dwang 9 drives the action wheel 10 of fixedly cup jointing on dwang 9 again and rotates, action wheel 10 passes through the transmission effect of belt and drives from the driving wheel 12 and rotate, then from driving wheel 12 drive rotation cup joint on dead lever 4 rotate cover 11, because the rotation cover 11 keeps away from bracing piece 7 one end and reation kettle 1 side fixed connection, and then rotate cover 11 drive reation kettle 1 together and rotate, constantly rotate through reation kettle 1, the urea in the messenger reation kettle 1 is heated more evenly.

2. When the reaction kettle 1 rotates, the stirring rod 6 fixedly installed on the fixed rod 4 through the spring rod 5 rotates relative to the reaction kettle 1, and then the stirring rod 6 always contacts with urea in the reaction kettle 1 continuously under the continuous rotation of the reaction kettle 1, so that urea hydrolysis is more thorough, and the reaction is more complete.

3. The scraping blade 16 fixedly arranged on the stirring rod 6 is in sliding contact with the inner wall of the reaction kettle 1, and under the action of the elastic force of the spring rod 5, the scraping blade 16 is always tightly propped against the inner wall of the reaction kettle 1, so that the scraping blade 16 can continuously scrape the inner wall of the reaction kettle 1 when the reaction kettle 1 rotates, and urea is prevented from remaining on the inner wall of the reaction kettle 1.

4. The urea hydrolysises the back and can produce a large amount of carbon dioxide, needs to open the manual valve of discharge gate department this moment, discharges the gas that produces the reaction from air duct 13, and at the exhaust in-process, the adsorbent of inserting in air duct 13 can absorb carbon dioxide, and then prevents that carbon dioxide from discharging to the air, pollutes the environment, and adsorbent accessible twists connecting rod 15, takes connecting rod 15 out from installation piece 14, and then changes.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. A urea hydrolysis apparatus, comprising:

the reaction kettle (1), the two sides of the reaction kettle (1) are respectively provided with a feed inlet and a discharge outlet, and the discharge outlet is rotatably provided with an air duct (13);

the fixing assembly comprises a base (2) and two supporting plates (3), wherein the two supporting plates (3) are symmetrically and fixedly arranged on the upper surface of the base (2), the surfaces of the two supporting plates (3) are provided with rotating holes, and the reaction kettle (1) is rotatably inserted into the two rotating holes;

the stirring assembly comprises a fixed rod (4), a plurality of spring rods (5), two stirring rods (6) and a supporting rod (7), wherein the supporting rod (7) is vertically and fixedly arranged on the upper surface of the base (2), the fixed rod (4) is horizontally and fixedly arranged on the surface of the supporting rod (7), one end, far away from the supporting rod (7), of the fixed rod (4) penetrates into the reaction kettle (1) and is fixedly connected with the plurality of spring rods (5), and one end, far away from the fixed rod (4), of the plurality of spring rods (5) is respectively fixedly connected with the two stirring rods (6);

the transmission assembly comprises a servo motor (8) fixedly mounted on the upper surface of the base (2), a rotating rod (9) rotatably mounted on the supporting rod (7), a driving wheel (10) fixedly sleeved on the rotating rod (9), a rotating sleeve (11) rotatably sleeved on the fixing rod (4), a driven wheel (12) fixedly sleeved on the rotating sleeve (11) and a belt, wherein the rotating sleeve (11) is close to one end of the reaction kettle (1) and fixedly connected with the side surface of the reaction kettle (1), an output shaft of the servo motor (8) is fixedly connected with the rotating rod (9), and the belt is fixedly sleeved on the driving wheel (10) and the driven wheel (12).

2. A urea hydrolysis device according to claim 1, further comprising:

the adsorption component comprises a mounting block (14), a connecting rod (15) and an absorbent, wherein the mounting block (14) is fixedly arranged on the surface of the air duct (13), a threaded hole communicated with the air duct (13) is formed in the surface of the mounting block (14), threads meshed with the threads in the threaded hole are formed in the surface of the connecting rod (15), one end of the connecting rod (15) is fixedly connected with the absorbent, and the threads of the connecting rod (15) are inserted into the threads in the threaded hole.

3. A urea hydrolysis device according to claim 1, wherein:

the surfaces of the stirring rods (6) are fixedly provided with scraping blades (16), and the scraping blades (16) are in sliding contact with the inner wall of the reaction kettle (1).

4. A urea hydrolysis device according to claim 1, wherein:

the concentric shaft of the reaction kettle (1) coincides with the concentric shaft of the fixed rod (4).

5. A urea hydrolysis device according to claim 1, wherein:

the diameter of the driving wheel (10) is smaller than that of the driven wheel (12).

6. A urea hydrolysis device according to claim 1, wherein:

and manual valves are fixedly arranged at the feed inlet and the discharge outlet.