CN210237141U

CN210237141U - Urea pyrolysis furnace device

Info

Publication number: CN210237141U
Application number: CN201920736718.5U
Authority: CN
Inventors: Feng Li; 李凤; Zhilian Zhang; 张之练; Xuelian Gu; 顾雪莲; Jianchao Zhang; 张建超
Original assignee: Nanjing Hengzheng Energy Technology Co Ltd
Current assignee: Nanjing Hengzheng Energy Technology Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-04-03
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a urea pyrolysis furnace device, which comprises a cylinder body, wherein an arc flow equalizing plate is fixedly arranged on the upper side of the inner side wall of the cylinder body, a fixing ring is fixedly arranged on the inner side wall of the cylinder body, fixed grid plates are symmetrically and fixedly arranged on the upper part and the lower part of the inner side wall of the fixing ring, a movable grid plate is inserted between the two fixed grid plates, and an adjusting device is arranged on the right side wall of the movable grid plate, through the structures of the arc flow equalizing plate, the fixing ring, the fixed grid plate, the movable grid plate and the plane flow equalizing plate, hot air entering from an air inlet can uniformly flow through the cylinder body, so that the hot air is fully contacted with urea solution, the pyrolysis efficiency is promoted, in addition, under the adjusting effect of the adjusting device on the movable grid plate, the position of the movable grid plate can be finely adjusted, the flow velocity of the air is adjusted by adopting a mode of, promoting the pyrolysis.

Description

Urea pyrolysis furnace device

Technical Field

The utility model relates to a urea pyrolysis oven technical field specifically is urea pyrolysis oven device.

Background

The urea decomposing furnace is a urea solution pyrolysis reactor, the urea solution atomized by a spray gun is decomposed into ammonia and carbon dioxide in the furnace, when the hot air entering the decomposing furnace is unevenly distributed and the flow velocity is too fast or too slow and cannot be quickly filled in a hearth, the pyrolysis efficiency is reduced, the mode of improving the pyrolysis rate comprises improving the temperature of the entering air and promoting the pyrolysis, in addition, the hot air flows in at a proper speed, but the uniform flowing of the hot air can be ensured in the existing pyrolyzing furnace, but the flow velocity can not be controlled, the pyrolysis efficiency of each time can not be ensured to reach the best under the conditions of different urea liquid inlet speeds and different initial air speeds which possibly occur each time, if a device which can ensure that the hot air uniformly flows in to contact with the urea and can adjust the air flow velocity to a certain degree can be designed, such problems can be solved and for this purpose we propose a urea pyrolysis furnace plant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a urea pyrolysis oven device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: urea pyrolysis furnace device, including the barrel, the fixed intercommunication in lateral wall upside of barrel has urea feed liquor pipe, the equal fixed mounting in upper and lower both ends of barrel has the flange, the income gas port has been seted up to the upper end of barrel, the inside wall upside fixed mounting of barrel has the arc flow equalizer, the inside wall fixed mounting of barrel has solid fixed ring, and gu fixed ring is located the upside of urea feed liquor pipe, gu fixed ring's inside wall symmetry fixed mounting about has fixed grid plate, it has movable grid plate to peg graft between two fixed grid plates, the right flank wall of activity grid plate is equipped with adjusting device, the inside wall fixed mounting of barrel has the plane flow equalizer, and the plane flow equalizer is located the upside of urea feed liquor pipe and solid fixed ring's downside.

Preferably, adjusting device includes the cylinder piece, and cylinder piece fixed mounting in the lateral wall of barrel, the right side wall of cylinder piece sets up threaded hole, the inside wall spiro union of threaded hole has the threaded rod, and the left end of threaded rod runs through the barrel, the lateral wall right-hand member fixed mounting of threaded rod has the handle, and the left end of threaded rod rotates the right side wall of assembling in movable grid plate.

Preferably, the left end fixed mounting of threaded rod has the connecting block, the left side wall fixed mounting of connecting block has the plectane, the cylinder groove has been seted up to the right side wall of activity net board, and the plectane pegs graft in the cylinder inslot, the inside wall fixed mounting of cylinder groove has the fender ring, and the connecting block runs through and keeps off the ring.

Preferably, the outer side wall of the cylinder body is uniformly and fixedly provided with a heat preservation ring.

Preferably, the lateral wall upside fixed mounting of barrel has the hand hole, the lateral wall downside fixed mounting of barrel has the manhole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an arc flow equalizing plate, gu fixed ring, fixed grid plate, the structure of flow equalizing plate is all flowed in activity grid plate and plane, the order can be in the barrel even flow of hot-air that gets into from the gas inlet, make hot-air and urea solution fully contact, promote the efficiency of pyrolysis, under adjusting device's regulating action to the activity grid plate in addition, the position that can move about grid plate finely tunes, the mode air-conditioning's that adopts the cross-sectional area that changes the air and pass through the velocity of flow, when the air flow velocity is in suitable velocity of flow within range, promote going on of pyrolysis.

Drawings

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

Fig. 2 is a front sectional view of the fixing ring of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. the device comprises a cylinder body, 2, a urea liquid inlet pipe, 3, a flange, 4, a gas inlet, 5, an arc flow equalizing plate, 6, a fixing ring, 7, a fixing grid plate, 8, a movable grid plate, 9, an adjusting device, 91, a cylindrical block, 92, a threaded hole, 93, a threaded rod, 94, a handle, 95, a connecting block, 96, a circular plate, 10, a plane flow equalizing plate, 11, a cylindrical groove, 12, a retaining ring, 13, a heat preservation ring, 14, a hand hole, 15 and a manhole.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: urea pyrolysis furnace device, including barrel 1, the lateral wall upside of barrel 1 is fixed to be communicated with urea feed liquor pipe 2, add urea solution from urea feed liquor pipe 2, and make urea be the atomizing blowout, make it fully contact with hot-air, as shown in figure 1, install seal assembly at the left end of urea feed liquor pipe 2, both ends are all fixed with flange 3 about barrel 1, make things convenient for barrel 1 to be connected with other pipeline isotructures, the upper end of barrel 1 has seted up into gas port 4, hot-air is added from into gas port 4, and the lower extreme of barrel 1 also has seted up the hole, be convenient for the discharge of air, the inside wall upside of barrel 1 is fixed with arc flow equalizing plate 5, preliminarily flow equalize the entering air, make the air evenly distributed in barrel 1, the inside wall fixed mounting of barrel 1 has solid fixed ring 6, and solid ring 6 is located the upside of urea feed liquor pipe 2, the inner side wall of the fixed ring 6 is vertically symmetrically and fixedly provided with fixed grid plates 7, the fixed grid plates 7 also play a role in guiding air flow equalization, a movable grid plate 8 is inserted between the two fixed grid plates 7, the movable grid plate 8 can transversely move between the two fixed grid plates 7, as shown in figure 2, at the moment, grids of the movable grid plate 8 correspond to grids of the fixed grid plates 7 one by one, air can pass through, the right side wall of the movable grid plate 8 is provided with an adjusting device 9, the adjusting device 9 is used for controlling the movable grid plate 8 to transversely move, after the movable grid plate 8 transversely moves, the grids on the movable grid plate 8 and the grids on the fixed grid plates 7 are staggered, the cross-sectional area of the grids on the fixed grid plates 7 through which the air flows is reduced, the flow rate of the air can be increased, the function of adjusting the air flow rate is realized, the inner side wall of the cylinder body 1 is fixedly provided with a plane flow equalization plate 10, and the plane flow equalizing plate 10 is positioned at the upper side of the urea liquid inlet pipe 2 and the lower side of the fixing ring 6, and the air with the regulated flow velocity passes through the plane flow equalizing plate 10, so that the air is uniformly distributed in the cylinder body at a new flow velocity, and the hot air is conveniently and fully contacted with the spray of the urea solution.

Particularly, adjusting device 9 includes cylinder piece 91, and cylinder piece 91 fixed mounting is in the lateral wall of barrel 1, screw hole 92 has been seted up to the right side wall of cylinder piece 91, screw hole 92's inside wall spiro union has threaded rod 93, and the left end of threaded rod 93 runs through barrel 1, the lateral wall right-hand member fixed mounting of threaded rod 93 has handle 94, and the left end of threaded rod 93 rotates the right side wall of assembling in activity grid plate 8, it drives threaded rod 93 internal rotation at screw hole 92 to rotate handle 94, change the lateral position of threaded rod 93, and then drive 8 lateral shifting of activity grid plate, the realization is to the regulation of air flow rate.

Specifically, the left end fixed mounting of threaded rod 93 has connecting block 95, and the left side wall fixed mounting of connecting block 95 has plectane 96, and cylinder groove 11 has been seted up to the right side wall of activity net board 8, and plectane 96 pegs graft in cylinder groove 11, and the inside wall fixed mounting of cylinder groove 11 keeps off ring 12, and connecting block 95 runs through and keeps off ring 12, through this place structure, makes threaded rod 93 and activity net board 8 can take place relative rotation, makes the removal of threaded rod 93 can drive activity net board 8 and remove simultaneously.

Specifically, the outer side wall of the cylinder 1 is uniformly and fixedly provided with a heat preservation ring 13 which is a support ring of the heat preservation material outside the cylinder 1.

Particularly, the lateral wall upside fixed mounting of barrel 1 has hand hole 14, is convenient for stretch into in hand hole 14 department and receives or the instrument is installed, is overhauld or is examined, and the lateral wall downside fixed mounting of barrel 1 has manhole 15, is convenient for the staff business turn over in manhole department and installs, overhauls or inspect.

The working principle is as follows: this urea pyrolysis oven device, hot-air gets into from the income gas port 4 of barrel 1 upside, successively pass through arc flow equalizing plate 5 after getting into, upside fixed grid board 7, activity grid board 8, the effect of downside fixed grid board 7 and plane flow equalizing plate 10, make hot-air can evenly be full of in with barrel 1, and carry out abundant contact with the spraying of urea solution, promote going on of pyrolysis, simultaneously, can adjust the horizontal position of activity grid board 8 through adjusting device 9, the position of activity grid board 8 changes the back, can make the grid on the activity grid board 8 misplace with the grid on the fixed grid board 7, change the minimum cross-sectional area that the air flows through, and then change the velocity of flow of air, through this mode, can make the velocity of flow of hot-air be in the velocity of flow range that is fit for carrying out the pyrolysis, promote going on of pyrolysis, improve the efficiency of pyrolysis.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Urea pyrolysis oven device, its characterized in that: comprises a cylinder body (1), a urea liquid inlet pipe (2) is fixedly communicated with the upper side of the outer side wall of the cylinder body (1), flanges (3) are fixedly arranged at the upper end and the lower end of the cylinder body (1), an air inlet (4) is formed in the upper end of the cylinder body (1), an arc-shaped flow equalizing plate (5) is fixedly arranged on the upper side of the inner side wall of the cylinder body (1), a fixing ring (6) is fixedly arranged on the inner side wall of the cylinder body (1), the fixed ring (6) is positioned at the upper side of the urea liquid inlet pipe (2), the inner side wall of the fixed ring (6) is symmetrically and fixedly provided with fixed grid plates (7) from top to bottom, a movable grid plate (8) is inserted between the two fixed grid plates (7), the right side wall of the movable grid plate (8) is provided with an adjusting device (9), a plane flow equalizing plate (10) is fixedly arranged on the inner side wall of the cylinder body (1), and the plane flow equalizing plate (10) is positioned at the upper side of the urea liquid inlet pipe (2) and the lower side of the fixed ring (6).

2. The urea pyrolysis furnace apparatus of claim 1, wherein: adjusting device (9) include cylinder piece (91), and cylinder piece (91) fixed mounting in the lateral wall of barrel (1), threaded hole (92) have been seted up to the right side wall of cylinder piece (91), the inside wall spiro union of threaded hole (92) has threaded rod (93), and the left end of threaded rod (93) runs through barrel (1), the lateral wall right-hand member fixed mounting of threaded rod (93) has handle (94), and the left end of threaded rod (93) rotates the right side wall of assembling in activity grid plate (8).

3. The urea pyrolysis furnace apparatus of claim 2, wherein: the left end fixed mounting of threaded rod (93) has connecting block (95), the left side wall fixed mounting of connecting block (95) has plectane (96), cylinder groove (11) have been seted up to the right side wall of activity net board (8), and plectane (96) peg graft in cylinder groove (11), the inside wall fixed mounting of cylinder groove (11) has fender ring (12), and connecting block (95) run through and keep off ring (12).

4. The urea pyrolysis furnace apparatus of claim 1, wherein: and the outer side wall of the cylinder body (1) is uniformly and fixedly provided with a heat preservation ring (13).

5. The urea pyrolysis furnace apparatus of claim 1, wherein: the hand hole (14) is fixedly installed on the upper side of the outer side wall of the barrel body (1), and the manhole (15) is fixedly installed on the lower side of the outer side wall of the barrel body (1).