CN210114984U

CN210114984U - Novel SNCR urea dissolving tank

Info

Publication number: CN210114984U
Application number: CN201920600729.0U
Authority: CN
Inventors: 周进; 章颖; 韩飞飞
Original assignee: Jiangsu Tianying Environmental Protection Energy Equipment Co Ltd
Current assignee: Jiangsu Tianying Environmental Protection Energy Equipment Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-02-28
Anticipated expiration: 2029-04-29

Abstract

A novel SNCR urea dissolving tank relates to the field of chemical machinery. The device comprises a barrel with an opening at the upper end, wherein a discharge hole is formed in the lower part of the barrel, a top cover is connected to the upper end of the barrel, and a feed hole, a water inlet and a gas outlet are formed in the top cover; a vertically arranged rotating shaft is arranged in the middle of the inside of the barrel body, stirring blades are mounted on the rotating shaft, the lower end of the rotating shaft extends to the lower part of the barrel body, and the upper end of the rotating shaft extends upwards out of the top cover and is correspondingly connected with a driver for driving the rotating shaft to rotate; the heating device is arranged in the cylinder body and comprises an upper ring pipe and a lower ring pipe which are arranged up and down, and the upper ring pipe and the lower ring pipe are communicated and connected through a plurality of groups of middle vertical pipe assemblies which are arranged at intervals along the circumferential direction. The utility model discloses a heating device is including last ring canal, lower ring canal and connect the neutral pipe subassembly in the multiunit between last ring canal and lower ring canal, and this heating device has the advantage that the circulation space is many, heat transfer area is big, has further improved butt fusion efficiency.

Description

Novel SNCR urea dissolving tank

Technical Field

The utility model relates to the field of chemical machinery, in particular to a novel SNCR urea dissolving tank.

Background

Urea dissolving tanks are commonly used for the dissolution of solid particulate urea feedstocks. Traditional urine dissolving tank is steam coil heating or electrical heating, and steam coil heating heat transfer area is little and not be equipped with agitating unit, and electrical heating and urea solution area of contact are little, and heat exchange efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel SNCR urea dissolving tank can effectively solve the problem in the background art.

The technical scheme for realizing the purpose is as follows: a novel SNCR urea dissolving tank is characterized in that: the device comprises a barrel with an opening at the upper end, wherein a discharge hole is formed in the lower part of the barrel, a top cover is connected to the upper end of the barrel, and a feed hole, a water inlet and a gas outlet are formed in the top cover; a vertically arranged rotating shaft is arranged in the middle of the inside of the barrel body, stirring blades are mounted on the rotating shaft, the lower end of the rotating shaft extends to the lower part of the barrel body, and the upper end of the rotating shaft extends upwards out of the top cover and is correspondingly connected with a driver for driving the rotating shaft to rotate; the heating device comprises an upper ring pipe and a lower ring pipe which are arranged up and down, one side of the upper ring pipe is connected with a steam inlet pipe which extends out of the cylinder, the other side of the upper ring pipe is provided with a steam outlet pipe which extends out of the cylinder, the lower end of the lower ring pipe is connected with supporting legs which are supported in the cylinder, and the upper ring pipe and the lower ring pipe are communicated and connected through a plurality of groups of middle vertical pipe assemblies which are arranged at intervals along the circumferential direction.

The utility model has the advantages that:

the utility model discloses a heating device heats the solution when dissolving to urea, stirs the solution in the barrel through stirring paddle leaf, has effectively improved dissolving efficiency.

The utility model discloses a heating device is including last ring canal, lower ring canal and connect the neutral pipe subassembly in the multiunit between last ring canal and lower ring canal, and this heating device has the advantage that the circulation space is many, heat transfer area is big, has further improved butt fusion efficiency.

Further, in order to further increase the heat exchange area of the heating device, the middle vertical pipe assembly comprises three middle vertical pipes which are arranged in parallel and at intervals along the radial direction of the upper ring pipe and the lower ring pipe.

Further, for the convenience of maintenance and repair, a manhole is further arranged on the top cover.

Further, in order to facilitate the emptying of the solution in the cylinder, an emptying port is arranged on one side of the lower end of the cylinder.

Further, in order to measure the temperature in the cylinder body conveniently, a temperature metering opening is formed in one side of the cylinder body.

Furthermore, in order to discharge the condensed water in the heating device in time, a condensed water outlet pipe which extends out of the cylinder body is arranged on the lower ring pipe.

Furthermore, in order to ensure the uniform circulation of steam, the upper ring pipe comprises a left ring body and a right ring body which are semicircular and are mutually closed, two ends of the left ring body and two ends of the right ring body are both of a closed structure, the steam inlet pipe is connected to the left ring body, and the steam outlet pipe is connected to the right ring body.

Furthermore, a pump backflow port is arranged on the top cover and connected with the lower portion of the barrel through a circulating pump.

When the subsequent pipeline is overhauled, the circulating pump can be started, so that the solution in the cylinder body can realize self-circulation, and the solution in the cylinder body is prevented from caking.

Further, in order to improve the stirring efficiency, stirring blades are respectively installed at the middle part and the lower part of the rotating shaft.

Furthermore, in order to improve the stirring uniformity and improve the heat energy utilization rate, the stirring blade comprises two stirring blades which are perpendicular to each other, and the sections of the two stirring blades of the stirring blade are T-shaped and form 45-degree included angles with the axis of the rotating shaft respectively.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic structural view of a heating device;

fig. 4 is an enlarged view of a portion a in fig. 1.

Detailed Description

As shown in fig. 1-4, the utility model discloses an upper end open-ended barrel 1, the lower part of barrel 1 is provided with discharge gate 2, and lower extreme one side of barrel 1 is provided with evacuation mouth 3, and the upper end of barrel 1 is connected with top cap 4, is connected with on the top cap 4 to be the strengthening rib 5 that the cross was arranged, is provided with feed inlet 6, water inlet 7 and gas outlet 8 on the top cap 4, manhole 9, pump return flow mouth 10, and pump return flow mouth 10 passes through circulating pump 11 and barrel 1's sub-unit connection.

One side of barrel 1 is provided with temperature measurement mouth 12, middle part in the barrel 1 is provided with vertical arrangement's pivot 13, the lower extreme of pivot 13 extends to the lower part of barrel 1, stirring paddle leaf 14 is installed respectively to the middle part and the lower part of pivot 13, stirring paddle leaf 14 includes two stirring vane 15 that mutually perpendicular arranged, the cross-section of two stirring vane 15 of stirring paddle leaf 14 is the T shape, and be the angle with the axis of pivot 13 respectively and be an contained angle, a =45, the upper end of pivot 13 upwards stretches out top cap 4, and the correspondence is connected with drive pivot 13 pivoted driver 16, driver 1 can adopt the speed reducer commonly used among the prior art.

Be provided with heating device 17 in the barrel 1, heating device 17 is including being the upper ring pipe 18 that arranges from top to bottom, lower ring pipe 19, upper ring pipe 18 is including being semicircular, and left ring body 20 and the right ring body 21 that closes to each other, the both ends of left ring body 20 and right ring body 21 are enclosed construction, be connected with the steam inlet pipe 22 that outwards stretches out barrel 1 on the left ring body 20, be connected with the steam outlet pipe 23 that outwards stretches out barrel 1 on the right ring body 21, be connected with the comdenstion water outlet pipe 24 that outwards stretches out barrel 1 on the lower ring pipe 19, the lower extreme of lower ring pipe 19 is connected with the supporting legs 25 of supporting in barrel 1, pass through multiunit well riser subassembly 26 intercommunication connection along circumference between upper ring pipe 18 and the lower ring pipe 19, well riser subassembly 26 includes three well riser 27 along the radial parallel interval arrangement of upper ring pipe 18, lower ring pipe 19.

The utility model discloses the during operation, steam lets in heating device 17, heats the solution in

barrel

1, and 16 drive stirring paddle leaf 14 of driver stir the solution in barrel 1 simultaneously.

When follow-up pipeline is overhauled, can close discharge gate 2, start circulating pump 11, make the solution in the barrel 1 realize self-loopa, avoid the solution caking in the barrel 1.

Claims

1. A novel SNCR urea dissolving tank is characterized in that: the device comprises a barrel with an opening at the upper end, wherein a discharge hole is formed in the lower part of the barrel, a top cover is connected to the upper end of the barrel, and a feed hole, a water inlet and a gas outlet are formed in the top cover; a vertically arranged rotating shaft is arranged in the middle of the inside of the barrel body, stirring blades are mounted on the rotating shaft, the lower end of the rotating shaft extends to the lower part of the barrel body, and the upper end of the rotating shaft extends upwards out of the top cover and is correspondingly connected with a driver for driving the rotating shaft to rotate; the heating device comprises an upper ring pipe and a lower ring pipe which are arranged up and down, one side of the upper ring pipe is connected with a steam inlet pipe which extends out of the cylinder, the other side of the upper ring pipe is provided with a steam outlet pipe which extends out of the cylinder, the lower end of the lower ring pipe is connected with supporting legs which are supported in the cylinder, and the upper ring pipe and the lower ring pipe are communicated and connected through a plurality of groups of middle vertical pipe assemblies which are arranged at intervals along the circumferential direction.

2. The SNCR urea dissolving tank as recited in claim 1, wherein: the middle vertical pipe assembly comprises three middle vertical pipes which are arranged in parallel at intervals along the radial direction of the upper ring pipe and the lower ring pipe.

3. The SNCR urea dissolving tank as recited in claim 1, wherein: the top cover is also provided with a manhole.

4. The SNCR urea dissolving tank as recited in claim 1, wherein: and an evacuation port is arranged on one side of the lower end of the cylinder body.

5. The SNCR urea dissolving tank as recited in claim 1, wherein: and a temperature metering port is arranged on one side of the cylinder body.

6. The SNCR urea dissolving tank as recited in claim 1, wherein: and a condensed water outlet pipe extending outwards from the cylinder body is arranged on the lower ring pipe.

7. The SNCR urea dissolving tank as recited in claim 1, wherein: the upper ring pipe comprises a left ring body and a right ring body which are semicircular and are mutually closed, two ends of the left ring body and two ends of the right ring body are both of a closed structure, the steam inlet pipe is connected to the left ring body, and the steam outlet pipe is connected to the right ring body.

8. The SNCR urea dissolving tank as recited in claim 1, wherein: and a pump backflow port is arranged on the top cover and is connected with the lower part of the barrel through a circulating pump.

9. The SNCR urea dissolving tank as recited in claim 1, wherein: and stirring blades are respectively arranged at the middle part and the lower part of the rotating shaft.

10. A novel SNCR urea dissolving tank according to claim 9, wherein: the stirring paddle comprises two stirring blades which are perpendicular to each other, and the sections of the two stirring blades of the stirring paddle are T-shaped and form 45-degree included angles with the axis of the rotating shaft respectively.