CN217746326U

CN217746326U - Water curtain type dust and ammonia removing system for urea granulation tail gas

Info

Publication number: CN217746326U
Application number: CN202221236558.6U
Authority: CN
Inventors: 李文杰
Original assignee: Shandong Better Chemical Engineering Co ltd
Current assignee: Shandong Better Chemical Engineering Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-08
Anticipated expiration: 2032-05-23

Abstract

The utility model relates to a urea granulation tail gas treatment technical field just discloses a water curtain formula of urea granulation tail gas removes dust and removes ammonia system, which comprises an outer shell, the lateral wall of shell has been seted up a plurality of openings and the opening part articulates there is the apron, the equal fixedly connected with riser of lateral wall of shell and apron, two the riser overcoat is equipped with same card frame, two mounting panels of lateral wall fixedly connected with of shell, the lateral wall of mounting panel rotates through the bearing and is connected with a screw thread section of thick bamboo, the threaded rod has been cup jointed to screw thread section of thick bamboo internal thread, the right-hand member fixedly connected with movable plate of threaded rod, two kellies of the lateral wall fixedly connected with of movable plate. The utility model discloses can appear damaging in the inside device of shell, convenient quick shell of opening overhauls the device, has improved the convenience that operating personnel overhauld and can increase the stability of apron installation, has guaranteed the stability of equipment work.

Description

Water curtain type dust and ammonia removing system for urea granulation tail gas

Technical Field

The utility model relates to a urea granulation tail gas treatment technical field especially relates to a water curtain formula dust removal ammonia removal system of urea granulation tail gas.

Background

With the increasing shortage of energy resources, various industries are pushing clean production, and as fertilizer production enterprises, the clean production reduces the content of urea dust discharged from the tail gas of a urea prilling tower, and reduces ammonia discharge, and the like, which are increasingly paid attention by people. At present, domestic urea production enterprises basically adopt a prilling tower for prilling, and because the production process is imperfect, the content of urea dust and ammonia in tail gas emission of the prilling tower seriously exceeds the standard.

The system and the process for removing dust and ammonia by using the water curtain of the urea granulation tail gas are provided in the patent of patent grant publication No. CN110538540A, are applied to the field of tail gas absorption, demisting and dust removal of a urea granulation tower, and the key points of the technical scheme are as follows: the device comprises a granulation tower and an absorption tower arranged outside the granulation tower, wherein a water curtain absorber is arranged at the air outlet of a louver at the top of the granulation tower along the periphery, the water curtain absorber is of a grid structure, one side of the water curtain absorber, which is far away from the granulation tower, is connected with a water curtain sprayer, the water curtain sprayer adopts a circular spraying structure, and the upper part of the water curtain sprayer, which is far away from the water curtain absorber, is connected with a baffle plate upward sprayer; has the technical effects that: avoid atomizing washing liquid to take out the granulation tower outside, in the urea liquid drop in the saturated steam ensured not taking into the atmosphere in the disengaging process, adopted reliable cascade absorber and gas-water separation technique, avoid causing secondary pollution, the device is when using, need place the spray thrower with more device in, because the spray thrower is encapsulated situation, inconvenient operating personnel overhauls and maintains the inside device of spray thrower, influences the convenience that operating personnel worked.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art dust removal ammonia removal system when using, need place the spray thrower with more device in, because the spray thrower is encapsulated situation, inconvenient operating personnel overhauls and maintains the inside device of spray thrower, influences the problem of operating personnel work convenience, and the water curtain formula dust removal ammonia removal system of urea granulation tail gas that provides.

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

the utility model provides a water curtain formula dust removal ammonia removal system of urea granulation tail gas, includes the shell, the lateral wall of shell has been seted up that a plurality of openings and opening part articulate has the apron, the equal fixedly connected with riser of lateral wall of shell and apron, two the riser overcoat is equipped with same calorie of frame, two mounting panels of lateral wall fixedly connected with of shell, the lateral wall of mounting panel rotates through the bearing and is connected with a screw thread section of thick bamboo, the threaded rod has been cup jointed to screw thread section of thick bamboo internal thread, the right-hand member fixedly connected with movable plate of threaded rod, two kellies of lateral wall fixedly connected with of movable plate, the card hole of mutually supporting with the kellies is all seted up to the lateral wall of card frame and riser, the outer wall fixed cover of screw thread section of thick bamboo is equipped with driven bevel gear, the lateral wall fixedly connected with diaphragm of mounting panel, the lateral wall of diaphragm rotates through the bearing and is connected with the bull stick, the lower extreme fixedly connected with of bull stick and the initiative bevel gear that driven bevel gear matches each other.

Preferably, the upper end fixedly connected with plectane of bull stick, the plectane dustcoat is equipped with the drum, the lower lateral wall fixedly connected with crown plate of drum, the equal fixedly connected with of upper and lower lateral wall of crown plate erects the round pin, a plurality of perpendicular grooves have been seted up to the upper lateral wall of diaphragm, two perpendicular holes have been seted up to the lateral wall of plectane, the same spring of lateral wall fixedly connected with of the relative one side of drum and plectane can increase the stability of apron installation, has guaranteed the stability of equipment work.

Preferably, the upper side wall of the cylinder is fixedly connected with a handle, so that the cylinder is convenient to rotate.

Preferably, the lateral wall fixedly connected with two screens poles of mounting panel, two screens grooves have been seted up to the pole wall of threaded rod, avoid the threaded rod rotatory, make the threaded rod only can remove about the horizontal direction.

Preferably, the inner wall of the cover plate is fixedly connected with a sealing gasket, so that the sealing performance of the cover plate is improved.

Preferably, the side wall of the side where the vertical plate and the clamping frame are contacted with each other is an inclined surface, so that the sealing property between the two vertical plates is improved.

Preferably, the spring is made of copper alloy, so that the corrosion resistance of the spring is improved.

Compared with the prior art, the utility model provides a water curtain formula of urea granulation tail gas removes dust and removes ammonia system possesses following beneficial effect:

1. this water curtain formula dust removal ammonia removal system of urea granulation tail gas through shell, apron, riser, card frame, mounting panel, a screw thread section of thick bamboo, threaded rod, movable plate, kelly, card hole, driven bevel gear, diaphragm, bull stick, the initiative bevel gear that sets up, can appear damaging in the shell internal device, and convenient quick shell of opening overhauls the device, has improved the convenience that operating personnel overhauld.

2. This water curtain formula dust removal ammonia removal system of urea granulation tail gas through the plectane, drum, crown plate, perpendicular round pin, perpendicular groove, perpendicular hole, spring, the handle that sets up, can increase the stability of apron installation, has guaranteed the stability of equipment work.

And the device does not relate to the part all the same with prior art or can adopt prior art to realize, the utility model discloses can appear when damaging in the inside device of shell, convenient quick shell of opening overhauls the device, has improved the convenience that operating personnel overhauld and can increase the stability of apron installation, has guaranteed the stability of equipment work.

Drawings

FIG. 1 is a schematic structural diagram of a water curtain type dust and ammonia removal system for urea granulation tail gas according to the present invention;

FIG. 2 is a diagram illustrating the stability of the installation of the cover plate in the water curtain type dust and ammonia removal system for the urea granulation tail gas proposed by the present invention;

FIG. 3 is a schematic diagram showing the positional relationship between a threaded cylinder and a threaded rod in a water curtain type dust and ammonia removal system for urea granulation tail gas according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a schematic diagram of the shape structure of the vertical plate and the clamping frame in the water curtain type dust and ammonia removal system for urea granulation tail gas provided by the utility model.

In the figure: 1. a housing; 2. a cover plate; 3. a vertical plate; 4. clamping a frame; 5. mounting a plate; 6. a threaded barrel; 7. a threaded rod; 8. moving the plate; 9. a clamping rod; 10. a clamping hole; 11. a driven bevel gear; 12. a transverse plate; 13. a rotating rod; 14. a driving bevel gear; 15. a circular plate; 16. a cylinder; 17. a ring plate; 18. a vertical pin; 19. a vertical slot; 20. a vertical hole; 21. a spring; 22. a handle; 23. a position clamping rod; 24. screens groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Embodiment 1 is as shown in fig. 1-5, a water curtain type dust removal ammonia removal system for urea granulation tail gas, including a housing 1, the lateral wall of housing 1 is provided with a plurality of openings and the opening part is hinged with a cover plate 2, the inner wall fixedly connected with of cover plate 2 seals up, the leakproofness of cover plate 2 has been increased, the equal fixedly connected with riser 3 of lateral wall of housing 1 and cover plate 2, two riser 3 overcoat are equipped with same card frame 4, the lateral wall of riser 3 and the side of card frame 4 contacting each other is the inclined plane, the leakproofness between two riser 3 has been increased, the lateral wall fixedly connected with of housing 1 has two mounting panels 5, the lateral wall of mounting panel 5 is connected with screw thread section of thick bamboo 6 through the bearing rotation, threaded rod 7 has been cup jointed to the internal thread of screw thread section of thick bamboo 6, the right-hand member fixedly connected with movable plate 8 of threaded rod 7, the lateral wall fixedly connected with two kelly 9 of movable plate 8, the lateral wall fixedly connected with the card hole 10 that kelly 9 matches each other is all seted up to the lateral wall of card frame 4 and riser 3, the outer wall fixed cover of screw thread section of thick bamboo 6 is equipped with driven bevel gear 11, the side wall fixedly connected with of mounting panel 12, the lateral wall fixedly connected with driven bevel gear 14 that the bearing rotation diaphragm 12, the lateral wall of transverse plate 12 is matched with the bevel gear 14 each other.

Embodiment 2 is based on embodiment 1 and is shown in fig. 4, an upper end of the rotating rod 13 is fixedly connected with a circular plate 15, the circular plate 15 is covered with a cylinder 16, an upper side wall of the cylinder 16 is fixedly connected with a handle 22, the cylinder 16 is convenient to rotate, a lower side wall of the cylinder 16 is fixedly connected with a ring plate 17, upper and lower side walls of the ring plate 17 are both fixedly connected with vertical pins 18, an upper side wall of the transverse plate 12 is provided with a plurality of vertical grooves 19, a side wall of the circular plate 15 is provided with two vertical holes 20, a side wall of one side of the cylinder 16 opposite to the circular plate 15 is fixedly connected with a same spring 21, and the spring 21 is made of copper alloy, so that the corrosion resistance of the spring 21 is improved, the mounting stability of the cover plate can be increased, and the working stability of the device is ensured.

Two screens poles 23 of the lateral wall fixedly connected with of mounting panel 5, two screens grooves 24 have been seted up to the pole wall of threaded rod 7, through mutually supporting of screens pole 23 and screens groove 24, avoid the threaded rod 7 to rotate, make threaded rod 7 only can remove about the horizontal direction.

The utility model discloses in, during the use, pulling and rotatory handle 22, handle 22 drives drum 16, crown plate 17 and perpendicular round pin 18 remove, make the perpendicular round pin 18 of downside break away from perpendicular groove 19, then rotatory handle 22, handle 22 drives crown plate 17 rotatory, crown plate 17 is mutually supported through bayonet lock 18 and the perpendicular hole 20 of upside and is driven plectane 15 and bull stick 13 rotatory, bull stick 13 drives screw thread section of thick bamboo 6 rotatory through mutually supporting of initiative bevel gear 14 and driven bevel gear 11, it removes to drive threaded rod 7 through screw-thread fit, threaded rod 7 drives movable plate 8 and kelly 9 and removes, make kelly 9 break away from card hole 10, then separation card frame 4 and riser 3, then the apron 2 is opened in the rotation, apron 2 can be installed to the reverse operation, the device can appear when damaging in the inside device of shell, convenient quick shell is opened and is overhauld the device, the convenience that operating personnel overhauld has been improved.

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. The utility model provides a water curtain formula dust removal ammonia removal system of urea granulation tail gas, includes shell (1), its characterized in that, a plurality of openings and opening part are seted up to the lateral wall of shell (1) and are articulated to have apron (2), the equal fixedly connected with riser (3) of lateral wall of shell (1) and apron (2), two riser (3) overcoat is equipped with same card frame (4), two mounting panel (5) of lateral wall fixedly connected with of shell (1), the lateral wall of mounting panel (5) is connected with screw thread section of thick bamboo (6) through the bearing rotation, threaded rod (7) have been cup jointed to screw thread section of thick bamboo (6) internal thread, the right-hand member fixedly connected with movable plate (8) of threaded rod (7), two kelly (9) of lateral wall fixedly connected with of movable plate (8), card hole (10) that mutually match with kelly (9) are all seted up to the lateral wall of card frame (4) and riser (3), the outer wall fixed cover of screw thread section of thick bamboo (6) is equipped with driven bevel gear (11), the lateral wall fixedly connected with driven bevel gear (12) of mounting panel (5), the lateral wall of diaphragm (12) passes through bearing rotation bull stick (13), the lower extreme that the bevel gear (13) matches each other is connected with driven bevel gear (11).

2. The water curtain type dust and ammonia removal system for urea granulation tail gas as defined in claim 1, wherein a circular plate (15) is fixedly connected to the upper end of the rotating rod (13), a cylinder (16) is disposed outside the circular plate (15), a ring plate (17) is fixedly connected to the lower side wall of the cylinder (16), vertical pins (18) are fixedly connected to the upper and lower side walls of the ring plate (17), a plurality of vertical grooves (19) are formed in the upper side wall of the transverse plate (12), two vertical holes (20) are formed in the side wall of the circular plate (15), and the same spring (21) is fixedly connected to the side wall of the opposite side of the circular plate (15) and the circular plate (16).

3. The water curtain type dust and ammonia removal system for urea granulation exhaust gas as recited in claim 2, wherein a handle (22) is fixedly connected to the upper side wall of said cylinder (16).

4. The water curtain type dust and ammonia removal system for urea granulation tail gas as claimed in claim 1, wherein two retaining rods (23) are fixedly connected to the side wall of the mounting plate (5), and two retaining grooves (24) are formed in the rod wall of the threaded rod (7).

5. The water curtain type dust and ammonia removal system for urea granulation tail gas as recited in claim 1, wherein the inner wall of the cover plate (2) is fixedly connected with a sealing gasket.

6. The water curtain type dust and ammonia removing system for the urea granulation tail gas as claimed in claim 1, wherein the side walls of the vertical plates (3) and the clamping frames (4) which are contacted with each other are all inclined surfaces.

7. The water curtain type dust and ammonia removal system for urea granulation tail gas as recited in claim 2, wherein the spring (21) is made of copper alloy.