CN211099009U

CN211099009U - Steam pressurizing device of urea reactor

Info

Publication number: CN211099009U
Application number: CN201921667881.7U
Authority: CN
Inventors: 刘光玉
Original assignee: Chengdu Xinli Pharmaceutical Chemical Equipment Co ltd
Current assignee: Chengdu Xinli Pharmaceutical Chemical Equipment Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-28
Anticipated expiration: 2029-10-08

Abstract

The utility model discloses a steam pressure device of urea reactor, including the steam booster, be equipped with booster unit on the steam booster, booster unit comprises steam circulator, steam overflow valve and output drive shaft. The utility model discloses in, be equipped with booster unit on the steam booster, booster unit comprises steam circulator and steam overflow valve, the steam booster passes through steam circulator and steam overflow valve and connects, swivelling joint has the drive shaft on the steam booster, be equipped with the seal pot on the steam circulator, be equipped with intake pipe and outlet duct on the seal pot, be connected with three way connection on the outlet duct, from this with intake pipe and steam booster intercommunication, an export and the outside urea reactor switch-on of three way connection, steam passes through behind the steam circulator, the drive shaft is rotatory, the (mixing) shaft connection on drive shaft and the urea reactor has and can stir, from this, need not to drop into driving motor.

Description

Steam pressurizing device of urea reactor

Technical Field

The utility model relates to a urea production technical field especially relates to a steam pressure device of urea reactor.

Background

Urea is generally produced in a urea reactor by chemical reaction of liquid ammonia and carbon dioxide gas, and pressure and temperature are required for production.

At present, the urea reactor cooperates with the steam booster usually, improves the pressure in the reactor, and the urea reactor sets up agitating unit for the area of contact of increase liquid ammonia and carbon dioxide gas and reduce the temperature gradient difference of liquid ammonia moreover, sets up agitating unit on the urea reactor usually, and agitating unit comprises driving motor and (mixing) shaft usually, can increase manufacturing cost from this, and the complicated maintenance of driving motor structure is inconvenient moreover.

Therefore, the utility model provides a steam pressure device of urea reactor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the steam pressurizing device of the urea reactor is provided for solving the problems that the setting cost of the urea reactor provided with the steam pressurizer that the driving motor is adopted to drive the stirring shaft to rotate is high, and the structure of the driving motor is complex and inconvenient to maintain.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steam pressurizing device of a urea reactor comprises a steam pressurizer, wherein a power assisting device is further arranged on the steam pressurizer and consists of a steam rotator, a steam overflow valve and an output driving shaft, the steam overflow valve is arranged outside the steam rotator and communicated with the steam rotator, the steam rotator is communicated with the steam pressurizer through a pipeline, and the driving shaft is arranged outside the steam rotator and rotationally connected with the steam rotator.

As a further description of the above technical solution:

the steam rotator comprises vertical seal pot and rotatory impeller, rotatory impeller sets up and is normal running fit in the seal pot, the exterior wall welding of seal pot has intake pipe and outlet duct.

As a further description of the above technical solution:

the rotary impeller is composed of a rotating shaft and a blade plate fixedly arranged on the outer surface wall of the rotating shaft, and two ends of the rotating shaft are in running fit with the top surface wall and the bottom surface wall in the sealing tank.

As a further description of the above technical solution:

one end of the rotating shaft penetrates through the sealing tank and extends out of the sealing tank to be fixedly connected with the output driving shaft.

As a further description of the above technical solution:

and a sealing sleeve which is in running fit with the rotating shaft is welded at the bottom of the sealing tank.

As a further description of the above technical solution:

the bottom welding of seal pot has the cell type mounting panel.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, be equipped with booster unit on the steam booster, booster unit comprises steam circulator and steam overflow valve, the steam booster passes through steam circulator and steam overflow valve and connects, swivelling joint has the drive shaft on the steam booster, be equipped with the seal pot on the steam circulator, be equipped with intake pipe and outlet duct on the seal pot, be connected with three way connection on the outlet duct, from this with intake pipe and steam booster intercommunication, an export and the outside urea reactor switch-on of three way connection, steam passes through behind the steam circulator, the drive shaft is rotatory, the (mixing) shaft connection on drive shaft and the urea reactor has and can stir, from this, need not to drop into driving motor.

2. The utility model discloses in, be equipped with rotatory impeller in the seal pot, rotatory impeller is rotatory under with the steam effect that gets into in the seal pot, simple structure.

Drawings

Fig. 1 shows a schematic structural diagram provided according to an embodiment of the present invention;

fig. 2 shows a schematic structural view of a steam spinner provided according to an embodiment of the present invention;

fig. 3 shows a schematic structural diagram of a rotary impeller provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a steam booster; 11. a booster device; 111. a steam spinner; 1111. sealing the tank; 11111. an air inlet pipe; 11112. an air outlet pipe; 11113. mounting a plate; 1112. rotating the impeller; 11121. a rotating shaft; 11122. a leaf plate; 112. a steam overflow valve; 113. a drive shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a steam pressurizing device of a urea reactor comprises a steam pressurizer 1, wherein the steam pressurizer 1 is further provided with a power assisting device 11, the power assisting device 11 is composed of a steam rotator 111, a steam overflow valve 112 and an output driving shaft 113, the steam overflow valve 112 is arranged outside the steam rotator 111 and communicated with the steam rotator 111, the steam rotator 111 is communicated with the steam pressurizer 1 through a pipeline, the driving shaft 113 is arranged outside the steam rotator 111 and rotatably connected with the steam rotator 111, the steam pressurizer 1 conveys steam to the steam rotator 111, and the steam rotator 111 drives the driving shaft 113 to rotate to output torque.

Specifically, as shown in fig. 2, the steam rotator 111 is composed of a vertical sealing tank 1111 and a rotating impeller 1112, the rotating impeller 1112 is arranged in the sealing tank 1111 and is in running fit, an air inlet pipe 11111 and an air outlet pipe 11112 are welded on the outer surface wall of the sealing tank 1111, a tee joint is welded at the mouth of the air outlet pipe 11112, one outlet of the tee joint is connected with the urea reactor, the other outlet of the tee joint is connected with a steam overflow valve 112, and the air inlet pipe 11111 is connected with the steam supercharger 1.

Specifically, as shown in fig. 2 and 3, the rotary impeller 1112 is composed of a rotating shaft 11121 and a blade 11122 fixedly arranged on the outer surface wall of the rotating shaft 11121, and both ends of the rotating shaft 11121 are rotationally matched with the top surface wall and the bottom surface wall in the sealed tank 1111, so that the structure is simple and the cost is low.

Specifically, as shown in fig. 2, one end of the rotating shaft 11121 penetrates through the sealing can 1111 and extends out of the sealing can to be fixedly connected with the output driving shaft 113, and the rotating shaft 11121 rotates to drive the driving shaft 113 to rotate.

Specifically, as shown in fig. 2, a sealing sleeve rotatably engaged with the rotating shaft 11121 is welded to the bottom of the sealing can 1111, and the sealing sleeve can protect the sealing can 1111 from leakage.

Specifically, as shown in fig. 2, a groove-shaped mounting plate 11113 is welded at the bottom of the seal tank 1111, so that the seal tank 1111 is conveniently mounted on the urea reactor.

The working principle is as follows: when the steam pressure-relief device is used, an overflow port on the steam overflow valve 112 is communicated with an external steam circulation pipeline, the other outlet is communicated with a urea reactor to provide steam pressure for the urea reactor, the strong mounting plate 11113 is mounted on the urea reactor, the driving shaft 113 is connected with a stirring shaft on the driving shaft, steam discharged from the steam pressure booster 1 enters the sealing tank 1111 through the air inlet pipe 11111, the steam is discharged through the air outlet pipe 11112, the steam and the blade 11122 act in the process to push the rotating impeller 1112 to rotate, the driving shaft 113 is driven to rotate, the stirring shaft is driven to rotate to stir, when the urea reactor is protected by pressurization or overpressure, the steam always flows in the sealing tank 1111 under the pressure-relief effect of the steam overflow valve 112, and the rotating impeller 1112 is kept to rotate continuously.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A steam pressurizing device of a urea reactor comprises a steam supercharger (1) and is characterized in that a power assisting device (11) is further arranged on the steam supercharger (1), the power assisting device (11) is composed of a steam rotator (111), a steam overflow valve (112) and an output driving shaft (113), the steam overflow valve (112) is arranged outside the steam rotator (111) and communicated with the steam rotator (111), the steam rotator (111) is communicated with the steam supercharger (1) through a pipeline, and the driving shaft (113) is arranged outside the steam rotator (111) and rotatably connected with the steam rotator (111).

2. A steam pressurizing device for a urea reactor as defined in claim 1, wherein said steam rotator (111) is composed of a vertical sealed tank (1111) and a rotary impeller (1112), said rotary impeller (1112) is disposed in the sealed tank (1111) and is in running fit with the sealed tank (1111), and an air inlet pipe (11111) and an air outlet pipe (11112) are welded to the outer surface wall of the sealed tank (1111).

3. A steam pressurizing device for a urea reactor as defined in claim 2, wherein said rotary impeller (1112) is comprised of a rotating shaft (11121) and blades (11122) fixedly provided on the outer surface wall of the rotating shaft (11121), and both ends of said rotating shaft (11121) are rotatably engaged with the top surface wall and the bottom surface wall in the sealed tank (1111).

4. A steam pressurizing device for urea reactor as defined in claim 3, wherein said rotating shaft (11121) has one end penetrating the sealed tank (1111) and protruding outside to be fixedly connected to the output driving shaft (113).

5. A steam pressurizing device for a urea reactor as claimed in claim 4, wherein a gland bush rotatably fitted with the rotating shaft (11121) is welded through the bottom of the sealed tank (1111).

6. A steam pressurizing device for a urea reactor as claimed in claim 5, characterized in that a trough-shaped mounting plate (11113) is welded to the bottom of the sealed tank (1111).