CN215995908U

CN215995908U - Online ammonia water denitration anti-blocking device

Info

Publication number: CN215995908U
Application number: CN202122055061.6U
Authority: CN
Inventors: 邹复国
Original assignee: Chongqing Liangyou Refractory Technology Co ltd
Current assignee: Chongqing Liangyou Refractory Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-11
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses an online ammonia water denitration anti-blocking device, which is characterized in that: comprises a treatment tank (1) and a solid filter screen (2); the treatment tank (1) is internally provided with a containing cavity; the solid filter screen (2) is horizontally arranged in the accommodating cavity (1-1) and divides the accommodating cavity into an upper cavity (1-1) and a lower cavity (1-2); an ammonia water outlet (3) is arranged on the upper cavity (1-1); an ammonia water inlet (4) and a solid slag outlet (5) are arranged on the lower cavity (1-2), and the solid slag outlet (5) is used for being connected with a collecting pool (6). The utility model can be used for solving the problems of easy pump blockage, high replacement frequency, poor durability and online blockage prevention of ammonia water.

Description

Online ammonia water denitration anti-blocking device

Technical Field

The utility model relates to an ammonia water denitration online anti-blocking device.

Background

This cement kiln thermotechnical field is for solving the out-of-stock, uses the online out-of-stock of aqueous ammonia, and the online out-of-stock system of cement kiln system aqueous ammonia produces solid ammonia substance easily and blocks up the pump, and the aqueous ammonia goes into the aqueous ammonia bin, and the frequency of appearance is higher, leads to kiln system NOX index to discharge unusually to rise and forces to end the material and shut down the kiln, can cause environmental protection punishment and the kiln loss scheduling problem of shutting down. At present, a filter screen is directly arranged on a pipeline, but the problems of high replacement frequency and poor durability exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides an ammonia water denitration online anti-blocking device which can be used for solving the problems that ammonia water is easy to block a pump, high in replacement frequency, poor in durability and online anti-blocking.

In order to realize the purpose, the utility model provides an ammonia water denitration online anti-blocking device, which is characterized in that: comprises a treatment tank (1) and a solid filter screen (2); the treatment tank (1) is internally provided with a containing cavity; the solid filter screen (2) is horizontally arranged in the accommodating cavity (1-1) and divides the accommodating cavity into an upper cavity (1-1) and a lower cavity (1-2); an ammonia water outlet (3) is arranged on the upper cavity (1-1); an ammonia water inlet (4) and a solid slag outlet (5) are arranged on the lower cavity (1-2), and the solid slag outlet (5) is used for being connected with a collecting pool (6).

By adopting the scheme, when the device is used, the ammonia water inlet (4) is used for being connected with the pin removal system, and the ammonia water outlet (3) is connected with the pump. And the ammonia water containing solid ammonia substances discharged after the treatment of the denitration system enters the lower cavity (1-2) of the treatment tank (1) through the ammonia water inlet (4) for precipitation, is filtered by the solid substance filter screen (2) to remove solid substances, and then enters the upper cavity (1-1), and then can flow out of the ammonia water outlet (3) and is pumped away. By adopting the design, firstly, solid substances are removed from the discharged ammonia water containing the solid ammonia substances after the treatment of the denitration system before the ammonia water passes through the pump, so that the technical problem that the pump is easy to block by the ammonia water can be solved. Secondly, the treatment tank (1) has large inner volume and strong treatment capacity and can continuously work for a long time, so that the problems of frequent replacement, poor pressure resistance and incapability of online anti-blocking for a long time can be solved; in addition, the solid slag in the lower cavity (1-2) can be discharged into the collecting tank (6) from the solid slag discharge port (5) by opening the solid slag discharge port (5) periodically, the interior of the processing tank (1) does not need to be cleaned manually, and the maintenance is simple.

Furthermore, an inner convex baffle ring (1-3) is arranged in the middle of the inner wall of the accommodating cavity (1-1); a lining (7) is arranged in the upper cavity (1-1), the solid filter screen (2) is detachably fixed on the lining (7), and the lower end of the lining (7) is abutted against the inner convex baffle ring (1-3) and is limited by the inner convex baffle ring (1-3) to move downwards; an opening (1-11) is formed in the upper end of the upper cavity (1-1), and the opening (1-11) is sealed through an upper cover (8); the upper end of the bush (7) is abutted against the upper cover (8) and is limited by the upper cover (8) to move upwards; the lining (7) is provided with a second filtering hole (7-11) or the lining (7) is provided with a positive hole (7-12) which is communicated with the ammonia water outlet (3).

Furthermore, a lower baffle ring (7-1) is arranged in the lower end of the bushing (7); the device also comprises a pressure ring (7-2); the pressing ring (7-2) is inserted into the lining (7), the solid filter screen (2) is clamped between the pressing ring (7-2) and the lower retaining ring (7-1), and the pressing ring (7-2) and the lower retaining ring (7-1) are fixed through bolts (7-3). The solid filter screen (2) can be replaced independently, and is very simple and convenient to assemble and disassemble.

Further, the inner bottom surface (1-21) of the lower cavity (1-2) is obliquely arranged, and the solid slag discharge port (5) is arranged at the lower end of the inner bottom surface (1-21) of the lower cavity (1-2). The solid slag in the lower cavity (1-2) can be automatically discharged into the solid slag discharge port (5), so that manual cleaning is avoided.

Furthermore, the flow area of the ammonia water outlet (3) is smaller than that of the ammonia water inlet (4).

The utility model has the beneficial effects that:

first, the ammonia water inlet is used for connecting with the pin removal system, and the ammonia water inlet is connected with the pump. The ammonia water containing solid ammonia substances discharged after the treatment of the denitration system enters a lower cavity of the treatment tank through an ammonia water inlet for precipitation, is filtered by a solid substance filter screen to remove solid substances, then enters the upper cavity, and then flows out of the ammonia water inlet and is pumped away;

secondly, the solid substances are removed from the ammonia water containing the solid ammonia substances discharged after the treatment of the denitration system in the utility model before the ammonia water passes through the pump, so the technical problem that the pump is easy to block by the ammonia water can be solved. Secondly, the treatment tank has large volume and strong treatment capacity and can continuously work for a long time, so that the problems of frequent replacement, poor pressure resistance and incapability of long-term online anti-blocking can be solved; in addition, the solid slag in the lower cavity can be discharged into the collecting tank from the solid slag discharge port by opening the solid slag discharge port regularly, the interior of the processing tank does not need to be cleaned manually, and the maintenance is simple;

thirdly, the lining and the solid filter screen can be integrally taken out after the upper cover is opened; and the pulling-out operation does not need to extend into the middle part of the treatment tank, but only needs to be pulled out from the opening without contacting with the ammonia water in the upper chamber; the same is also true for loading; the operation is safer. In addition, this interior aqueous ammonia of cavity of resorption gets into the intracavity after solid filter screen filters earlier, and the aqueous ammonia of epicoele can flow into the aqueous ammonia export after second filters the hole once more through this bush on, can realize secondary filter, and this bush occupies that the space is little, changes advantages such as maintenance convenience.

Drawings

Fig. 1 is a schematic structural diagram of an ammonia water denitration online anti-blocking device in an embodiment of the utility model.

Fig. 2 is a schematic partial structure diagram of an ammonia water denitration online anti-blocking device in an embodiment of the utility model.

FIG. 3 is an assembly view of the liner and the solid filter according to one embodiment of the present invention.

FIG. 4 is a schematic structural diagram of an ammonia water denitration online anti-blocking device in the second embodiment of the present invention.

Fig. 5 is a schematic partial structure diagram of an ammonia water denitration online anti-blocking device in the second embodiment of the present invention.

Fig. 6 is an assembly view of the bushing and the solid filter according to the second embodiment of the present invention.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

the first embodiment is as follows: referring to fig. 1-3, an ammonia water denitration on-line anti-blocking device comprises a treatment tank 1 and a solid filter screen 2.

The solid filter screen 2 is provided with a first filter hole.

The treatment tank 1 is internally provided with a containing cavity; the solid filter screen 2 is horizontally arranged in the accommodating cavity 1-1 and divides the accommodating cavity into an upper cavity 1-1 and a lower cavity 1-2; an ammonia water outlet 3 is arranged on the upper cavity 1-1; the lower cavity 1-2 is provided with an ammonia water inlet 4 and a solid slag outlet 5, and the solid slag outlet 5 is used for being connected with a collecting pool 6.

When the utility model is used, the ammonia water inlet 4 is used for connecting with a pin removal system, and the ammonia water outlet 3 is connected with a pump. And the ammonia water containing solid ammonia substances discharged after the treatment of the denitration system enters the lower cavity 1-2 of the treatment tank 1 through the ammonia water inlet 4 for precipitation, is filtered by the solid substance filter screen 2 to remove solid substances, then enters the upper cavity 1-1, and then can flow out of the ammonia water outlet 3 and be pumped away. By adopting the design, firstly, solid substances are removed from the discharged ammonia water containing the solid ammonia substances after the treatment of the denitration system before the ammonia water passes through the pump, so that the technical problem that the pump is easy to block by the ammonia water can be solved. Secondly, the treatment tank 1 has large inner volume and strong treatment capacity and can continuously work for a long time, so that the problems of frequent replacement, poor pressure resistance and incapability of long-term online anti-blocking can be solved; in addition, the solid slag in the lower cavity 1-2 can be discharged into the collecting tank 6 from the solid slag outlet 5 by opening the solid slag outlet 5 regularly, the interior of the processing tank 1 does not need to be cleaned manually, and the maintenance is simple.

Furthermore, an inner convex baffle ring 1-3 is arranged in the middle of the inner wall of the accommodating cavity 1-1; a lining 7 is arranged in the upper cavity 1-1, the solid filter screen 2 is detachably fixed on the lining 7, and the lower end of the lining 7 is abutted against the inner convex baffle ring 1-3 and is limited by the inner convex baffle ring 1-3 to move downwards; an opening 1-11 is arranged at the upper end of the upper cavity 1-1, and the opening 1-11 is sealed by an upper cover 8; the upper end of the bush 7 abuts against the upper cover 8 and is restricted from upward displacement by the upper cover 8.

Specifically, the liner 7 has second filter holes 7-11 in a sidewall thereof. The secondary filtration of impurities which are not completely filtered by the solid filter screen 2 can be realized.

When the upper cover 8 is opened, the lining 7 and the solid filter screen 2 can be taken out integrally; and the pulling-out operation does not need to extend into the middle part of the treatment tank 1, but only needs to be pulled out from the opening 1-11 without contacting with the ammonia water in the upper chamber 1-1; the same is also true for loading; the operation is safer. In addition, the ammonia water in the lower cavity 1-2 firstly enters the upper cavity 1-1 after being filtered by the solid filter screen 2, and the ammonia water in the upper cavity 1-1 can flow into the ammonia water outlet 3 after being filtered again by the second filter holes 7-11 on the bush 7, so that secondary filtration can be realized, the filter mechanism occupies small space, and the filter mechanism is convenient to replace and maintain.

Preferably, the second filtering holes 7-11 are smaller than the first filtering holes 2-1 of the solid filter 2. This allows for two-stage filtration.

Further, a lower baffle ring 7-1 is arranged in the lower end of the bushing 7.

The device also comprises a pressure ring 7-2; the pressing ring 7-2 is inserted into the lining 7, the pressing ring 7-2 is positioned above the lower retaining ring 7-1, the solid object filter screen 2 is clamped between the pressing ring 7-2 and the lower retaining ring 7-1, and the pressing ring 7-2 and the lower retaining ring 7-1 are fixed through bolts 7-3. When replacing, the cover 8 is opened, then the lining 7 is lifted up and the solid filter screen 2 is taken out together. Then the bolt 7-3 is loosened, and the solid filter screen 2 can be detached and pulled out after the press ring 7-2 is taken down. Then a new solid filter screen 2 is arranged in the lining 7, the press ring 7-2 is inserted into the lining 7, and the solid filter screen 2 is tightly pressed by the bolt 7-3 and fixed on the lower baffle ring 7-1. Therefore, the solid filter screen 2 can be replaced independently, so that the operation of the loading, unloading and replacing processes is very simple and convenient.

Further, the bottom surface 1-21 in the lower chamber 1-2 is arranged obliquely, and the solid slag discharge port 5 is arranged at the lower end of the bottom surface 1-21 in the lower chamber 1-2. The solid slag in the lower cavity 1-2 can be automatically discharged into the solid slag discharge port 5, so that manual cleaning is avoided.

Further, the flow area of the ammonia water outlet 3 is smaller than that of the ammonia water inlet 4.

Example two: referring to fig. 4-6, the present embodiment is substantially the same as the first embodiment, except that: the liner 7 has no filtering holes but adopts a pair of positive holes 7-12 provided on the side wall of the liner 7 for communicating with the ammonia water outlet 3. When the upper cover 8 is opened, the lining 7 and the solid filter screen 2 can be integrally taken out; and the pulling-out operation does not need to extend into the middle part of the treatment tank 1, but only needs to be pulled out from the opening 1-11 without contacting with the ammonia water in the upper chamber 1-1; the same is also true for loading; the operation is safer.

The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides an online anti-blocking device of aqueous ammonia denitration which characterized in that: comprises a treatment tank (1) and a solid filter screen (2);

the treatment tank (1) is internally provided with a containing cavity;

the solid filter screen (2) is horizontally arranged in the accommodating cavity (1-1) and divides the accommodating cavity into an upper cavity (1-1) and a lower cavity (1-2);

an ammonia water outlet (3) is arranged on the upper cavity (1-1);

an ammonia water inlet (4) and a solid slag outlet (5) are arranged on the lower cavity (1-2), and the solid slag outlet (5) is used for being connected with a collecting pool (6).

2. The ammonia water denitration on-line anti-blocking device of claim 1, characterized in that: an inward convex baffle ring (1-3) is arranged in the middle of the inner wall of the accommodating cavity (1-1);

a lining (7) is arranged in the upper cavity (1-1), the solid filter screen (2) is detachably fixed on the lining (7), and the lower end of the lining (7) is abutted against the inner convex baffle ring (1-3) and is limited by the inner convex baffle ring (1-3) to move downwards;

an opening (1-11) is formed in the upper end of the upper cavity (1-1), and the opening (1-11) is sealed through an upper cover (8); the upper end of the bush (7) is abutted against the upper cover (8) and is limited by the upper cover (8) to move upwards;

the lining (7) is provided with a second filtering hole (7-11) or the lining (7) is provided with a positive hole (7-12) which is communicated with the ammonia water outlet (3).

3. The ammonia water denitration on-line anti-blocking device as claimed in claim 2, characterized in that: a lower baffle ring (7-1) is arranged in the lower end of the bushing (7);

the device also comprises a pressure ring (7-2);

the pressing ring (7-2) is inserted into the lining (7), the solid filter screen (2) is clamped between the pressing ring (7-2) and the lower retaining ring (7-1), and the pressing ring (7-2) and the lower retaining ring (7-1) are fixed through bolts (7-3).

4. The ammonia water denitration on-line anti-blocking device as claimed in any one of claims 1 to 3, characterized in that: the inner bottom surface (1-21) of the lower cavity (1-2) is obliquely arranged, and the solid slag discharge port (5) is arranged at the lower end of the inner bottom surface (1-21) of the lower cavity (1-2).

5. The ammonia water denitration on-line anti-blocking device as claimed in any one of claims 1 to 3, characterized in that: the flow area of the ammonia water outlet (3) is smaller than that of the ammonia water inlet (4).