CN217567935U

CN217567935U - Denitration device

Info

Publication number: CN217567935U
Application number: CN202221122049.0U
Authority: CN
Inventors: 李培亮; 鲁佳旭; 王宇
Original assignee: Juying Dust Remover Mfg & Installation Co ltd Hebei
Current assignee: Juying Dust Remover Mfg & Installation Co ltd Hebei
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-10-14
Anticipated expiration: 2032-05-11

Abstract

The utility model relates to a denitrification facility technical field just discloses a denitrification facility, including purifying column, spraying system and defeated wind gap are installed respectively in the both sides of purifying column bottom, and the top of purifying column is provided with the air outlet, the semi-closed body of one side fixedly connected with in defeated wind gap, the inside of semi-closed body has cup jointed the multilayer filter part respectively and has cleared stifled part, and the inboard of multilayer filter part middle part cup joints with one side activity of clear stifled part. The utility model discloses the multilayer filter part that sets up, clear stifled part, semi-closed body, the defeated tuber pipe cooperation of transition equipment back can form and possess dual filter function, clear up the filtration conveyor who prevents stifled automatically, follow-up behind the purifying column equipment shared use that cooperation defeated wind gap, spraying system and purifying column are constituteed, get rid of the inside granule of gas when can guaranteeing high-efficient defeated wind effect, promote the denitration effect.

Description

Denitration device

Technical Field

The utility model relates to a denitrification facility technical field specifically is a denitrification facility.

Background

At present, in order to prevent the coal in the boiler from generating excessive NOx after burning to pollute the environment, the coal is required to be denitrated, and the treatment mode is generally divided into denitration before burning, denitration in the burning process and denitration after burning, wherein the denitration after burning is mainly used for denitrating the smoke gas generated after burning, the common treatment equipment is a purification tower which can be used for purifying various toxic and harmful waste gases by adopting a wet treatment method according to different waste gases and is a device which absorbs the essence of purification technologies such as a foam tower, a spray tower, a packed tower and the like and has a dust removal effect.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a denitrification facility has solved the problem that above-mentioned background art provided.

The utility model provides a following technical scheme: the utility model provides a denitration device, includes purifying column, spraying system and defeated wind gap are installed respectively in the both sides of purifying column bottom, and the top of purifying column is provided with the air outlet, one side fixedly connected with semi-closed body in defeated wind gap, the inside of semi-closed body has cup jointed multilayer filter unit respectively and has cleared stifled part, and the inboard of multilayer filter unit middle part cup joints with one side activity of clear stifled part, the top and the bottom of semi-closed body one end fixed mounting respectively have protective housing and transition defeated tuber pipe, dust collecting part has been cup jointed to protective housing's inboard, and fixed mounting has the back flow between one side of protective housing and one side of defeated wind gap.

Carefully, the inside of multiple-layer filtering part is including the threaded rod, and the terminal surface of threaded rod one end and the inner wall fixed connection of semi-closed body other end, the equal joint in both ends of threaded rod has one to filter the plate, and two have the isolation sleeve to filter movable mounting between the plate, the isolation sleeve joint is at the middle part of threaded rod, the surperficial threaded connection of threaded rod one end has the screw.

Carefully selecting, the filtering plate consists of a filtering frame and a filtering screen, the filtering frame and the filtering screen are both made of metal materials, and the surfaces of the filtering frame and the filtering screen are both subjected to anti-corrosion surface treatment.

Carefully, the inside of clear stifled part is including the rotation axis, and the one end activity of rotation axis cup joints the inboard at two filtration plate middle parts, and the rotation axis other end extends to the outside of semi-closed body one end and cup joints with semi-closed body activity, the fixed surface of rotation axis one end is connected with two scrapers, and two scrapers are located two outsides of filtering the plate respectively, two the equal fixedly connected with brush strip in surface of scraper blade, and brush strip and filtration plate swing joint, the scraper blade cup joints the inside at semi-closed body with the equal activity of brush strip, the other end fixed mounting of rotation axis has motor reducer, and motor reducer's input fixedly connected with servo motor, fixedly connected with support seat between the surface of servo motor bottom and the terminal surface of semi-closed body one end.

Carefully, protective housing's inside is including lower protective housing, and the top of lower protective housing has last protective housing through screw fixed mounting, the top of going up protective housing and the bottom fixed connection of semi-closed body, and the inside space of going up protective housing and the inner space of semi-closed body link up each other.

Carefully, the inside of the dust collection part comprises a transition threaded pipe, the transition threaded pipe is movably sleeved inside the lower protective shell, the top of the transition threaded pipe is fixedly connected with a dust removal cloth bag, and the top of the dust removal cloth bag is in threaded connection with the inner side of the bottom of the upper protective shell.

And carefully selecting, wherein a shaft sealing ring is arranged at the sleeve joint of the other end of the rotating shaft and the inner side of one end of the semi-closed pipe body, and the other end of the semi-closed pipe body is fixedly connected with one end of the air delivery port through a screw.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses the multilayer filter part that sets up, clear stifled part, semi-closed body, the defeated tuber pipe cooperation of transition equipment back can form and possess dual filter function, clear up the filtration conveyor who prevents stifled automatically, follow-up behind the purifying column equipment shared use that cooperation defeated wind gap, spraying system and purifying column are constituteed, get rid of the inside granule of gas when can guaranteeing high-efficient defeated wind effect, promote the denitration effect.

2. The utility model discloses the protection casing that sets up, the part that gathers dust, back flow cooperation equipment back can form filter equipment that gathers dust, cooperates foretell filtration conveyor to use the back jointly, can provide the collection that sinks to the dust that filters conveyor is automatic to be cleared up out, and can not interfere the operation of integrated device, further optimizes the result of use of whole equipment.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a schematic partial sectional view of the semi-enclosed tubular body of the present invention;

fig. 3 is a schematic sectional view of the protective housing of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a purification tower; 2. a spray system; 3. an air conveying opening; 4. a semi-closed tube body; 5. a transitional air delivery pipe; 6. a multi-layer filter element; 61. a threaded rod; 62. a filter plate; 63. an isolation sleeve; 7. clearing the blockage; 71. a rotating shaft; 72. a squeegee; 73. brushing the strip; 74. a motor reducer; 75. a servo motor; 8. a protective housing; 81. a lower protective shell; 82. an upper protective shell; 9. a dust collecting part; 91. a transition threaded pipe; 92. a dust removal cloth bag; 10. a return pipe; 11. a shaft seal ring.

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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 1, fig. 2, a denitration device, including a purification tower 1, a spraying system 2 and an air delivery port 3, the spraying system 2 and the air delivery port 3 are respectively installed at two sides of the bottom of the purification tower 1, and the top of the purification tower 1 is provided with an air outlet, one side of the air delivery port 3 is fixedly connected with a semi-closed pipe body 4, the inside of the semi-closed pipe body 4 is respectively sleeved with a multi-layer filtering component 6 and a blocking component 7, and the inner side of the middle part of the multi-layer filtering component 6 is movably sleeved with one side of the blocking component 7, the inside of the multi-layer filtering component 6 comprises a threaded rod 61, and the end face of one end of the threaded rod 61 is fixedly connected with the inner wall of the other end of the semi-closed pipe body 4, both ends of the threaded rod 61 are respectively clamped with a filtering plate 62, the filtering plate 62 is composed of a filtering frame and a filtering screen, and both the filtering frame and the filtering screen are made of metal materials, and the surfaces of both structures are both subjected to anti-corrosion surface treatment, the filtering plate 62 are respectively subjected to anti-corrosion surface treatment, the anti-corrosion treatment, the filtering plate 62 is clamped with a double-screw for providing a subsequent denitration treatment effect for the post-denitration treatment, and the post-denitration gas treatment of the multi-layer filtering plate 61.

Referring to fig. 1, 2, 3 and 4, the inside of the blockage removing component 7 includes a rotating shaft 71, one end of the rotating shaft 71 is movably sleeved inside the middle portions of the two filtering plate members 62, the other end of the rotating shaft 71 extends to the outside of one end of the semi-closed tube 4 and is movably sleeved with the semi-closed tube 4, a shaft seal ring 11 is installed at the sleeved position of the other end of the rotating shaft 71 and the inside of one end of the semi-closed tube 4, the other end of the semi-closed tube 4 is fixedly connected with one end of the air delivery port 3 through a screw, the shaft seal ring 11 can seal and protect the connection position of the other end of the rotating shaft 71 and the inside of one end of the semi-closed tube 4, the sealing performance of the semi-closed tube 4 is maintained while the rotation operation of the rotating shaft 71 is not interfered, two scraping plates 72 are fixedly connected to the surface of one end of the rotating shaft 71, and the two scraping plates 72 are respectively located outside the two filtering plate members 62, equal fixedly connected with brush strip 73 in surface of two scraper blades 72, and brush strip 73 and filter plate 62 swing joint, scraper blade 72 cup joints the inside at semi-closed body 4 with the equal activity of brush strip 73, the other end fixed mounting of rotation axis 71 has motor reducer 74, and motor reducer 74's input fixedly connected with servo motor 75, fixedly connected with support seat between the surface of servo motor 75 bottom and the terminal surface of semi-closed body 4 one end, foretell multilayer filter part 6, clear stifled part 7, semi-closed body 4 cooperation equipment back, can form and possess the dual filter function, automatic clearance prevents stifled filtration conveyor, follow-up at cooperation defeated wind gap 3, the purifying tower equipment that spraying system 2 and purifying tower 1 constitute uses after jointly, can guarantee the granule of gaseous inside when high-efficient defeated wind effect, promote the denitration effect.

Referring to fig. 1, 2 and 4, a protective casing 8 and a transitional air delivery pipe 5 are respectively and fixedly mounted at the top and the bottom of one end of the semi-closed pipe body 4, the protective casing 8 includes a lower protective casing 81, an upper protective casing 82 is fixedly mounted at the top of the lower protective casing 81 through screws, the top of the upper protective casing 82 is fixedly connected with the bottom of the semi-closed pipe body 4, the space inside the upper protective casing 82 is communicated with the space inside the semi-closed pipe body 4, and the protective casing 8 provides a downward conveying space for subsequent processing gas and dust cleaned by the filtering and conveying device, so as to provide a support structure for secondary filtering.

Referring to fig. 1, 2 and 3, a dust collecting component 9 is sleeved on the inner side of the protective housing 8, a return pipe 10 is fixedly installed between one side of the protective housing 8 and one side of the air delivery port 3, a transition threaded pipe 91 is arranged in the dust collecting component 9, the transition threaded pipe 91 is movably sleeved in the lower protective housing 81, a dust collecting cloth bag 92 is fixedly connected to the top of the transition threaded pipe 91, the top of the dust collecting cloth bag 92 is in threaded connection with the inner side of the bottom of the upper protective housing 82, and the protective housing 8, the dust collecting component 9 and the return pipe 10 are assembled in a matched manner to form a dust collecting and filtering device.

The working principle is as follows: in the denitration process, smoke gas is input into the purification tower 1 through the transitional air delivery pipe 5, the semi-closed pipe body 4 and the air delivery port 3, then the spraying system 2 is started, the spraying system 2 makes treatment liquid prepared by different reagents fully contact with the smoke gas to realize denitration treatment, the prior art is adopted, and therefore excessive burdens are not produced, and in the process that the smoke gas flows through the transitional air delivery pipe 5, the semi-closed pipe body 4 and the air delivery port 3, the multiple filtration treatment is mainly carried out through two threaded rods 61 in the multilayer filter part 6 to filter out particles in the gas, and part of the particles also enter the protective shell 8, the dust is removed and filtered through a transitional threaded pipe 91 in the dust collection part 9, so that the high-efficiency air delivery efficiency is ensured, and meanwhile, excessive particles are prevented from entering the purification tower 1, the operation load of the spraying system 2 and the purification tower 1 is reduced, after the multilayer filter component 6 is used for a certain time, the servo motor 75 in the blockage cleaning component 7 can be started, the output end of the servo motor 75 drives the rotating shaft 71, the two scrapers 72 and the brush strips 73 respectively connected with the two scrapers 72 to rotate in a reciprocating manner, the number of the brush strips 73 can be set to be a plurality according to actual requirements, the surfaces of the filter plate members 62 are scraped and brushed in a reciprocating manner by utilizing the rotating brush strips 73, the blockage cleaning effect on the filter plate members 62 is realized, meanwhile, the whole equipment maintains the operation state, no interference influence exists, the cleaned particles can move towards the inside of the protective shell 8 under the double actions of gravity and subsequent conveying gas, then concentrated filtering and collection are carried out by the transition threaded pipe 91, and the gas entering the protective shell 8 and filtered by the dust collecting component 9 returns to the inside of the air conveying port 3 through the return pipe 10, and (4) participating in the next denitration treatment.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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. The utility model provides a denitrification facility, includes purifying column (1), spraying system (2) and defeated wind gap (3), its characterized in that: spraying system (2) and defeated wind mouth (3) are installed respectively in the both sides of purifying tower (1) bottom, and the top of purifying tower (1) is provided with the air outlet, one side fixedly connected with semi-closed body (4) of defeated wind mouth (3), the inside of semi-closed body (4) has cup jointed multilayer filter unit (6) respectively and has cleared stifled part (7), and the inboard of multilayer filter unit (6) middle part cup joints with one side activity of clear stifled part (7), the top and the bottom of semi-closed body (4) one end respectively fixed mounting have protection casing (8) and transition defeated tuber pipe (5), dust collecting part (9) have been cup jointed to the inboard of protection casing (8), and fixed mounting has back flow (10) between one side of protection casing (8) and one side of defeated wind mouth (3).

2. The denitration apparatus according to claim 1, wherein: the inside of multiple-layer filtering part (6) is including threaded rod (61), and the terminal surface of threaded rod (61) one end and the inner wall fixed connection of semi-closed body (4) other end, the equal joint in both ends of threaded rod (61) has one and filters plate (62), and movable mounting has isolation sleeve (63) between two filtration plates (62), isolation sleeve (63) joint is at the middle part of threaded rod (61), the surperficial threaded connection of threaded rod (61) one end has the screw.

3. The denitration apparatus according to claim 2, wherein: the filtering plate (62) is composed of a filtering frame and a filtering screen, the filtering frame and the filtering screen are made of metal materials, and the surfaces of the filtering frame and the filtering screen are subjected to anti-corrosion surface treatment.

4. The denitration apparatus according to claim 2, wherein: the inside of clear stifled part (7) is including rotation axis (71), and the one end activity of rotation axis (71) cup joints the inboard at two filtration plate (62) middle parts, and rotation axis (71) other end extends to the outside of semi-closed body (4) one end and cup joints with semi-closed body (4) activity, the fixed surface of rotation axis (71) one end is connected with two scraper blades (72), and two scraper blades (72) are located the outside of two filtration plate (62) respectively, two the equal fixedly connected with brush strip (73) in surface of scraper blade (72), and brush strip (73) and filtration plate (62) swing joint, scraper blade (72) and the equal activity of brush strip (73) cup joint in the inside of semi-closed body (4), the other end fixed mounting of rotation axis (71) has motor reducer (74), and the input fixedly connected with servo motor (75) of motor reducer (74), the fixed connection has a support seat between the surface of servo motor (75) bottom and the terminal surface of semi-closed body (4) one end.

5. The denitration apparatus according to claim 1, wherein: the inside of protection casing (8) is including lower protective housing (81), and the top of lower protective housing (81) has last protective housing (82) through screw fixed mounting, the top of last protective housing (82) and the bottom fixed connection of semi-closed body (4), and the space of going up protective housing (82) inside and the inner space of semi-closed body (4) link up each other.

6. The denitration apparatus according to claim 5, wherein: the dust collecting component is characterized in that the dust collecting component (9) is internally provided with a transition threaded pipe (91), the transition threaded pipe (91) is movably sleeved in the lower protective shell (81), the top of the transition threaded pipe (91) is fixedly connected with a dust collecting cloth bag (92), and the top of the dust collecting cloth bag (92) is in threaded connection with the inner side of the bottom of the upper protective shell (82) through threads.

7. The denitration apparatus according to claim 4, wherein: and a shaft sealing ring (11) is arranged at the sleeve joint of the other end of the rotating shaft (71) and the inner side of one end of the semi-closed pipe body (4), and the other end of the semi-closed pipe body (4) is fixedly connected with one end of the air delivery port (3) through a screw.