CN211119447U - Denitration device of boiler and boiler - Google Patents
Denitration device of boiler and boiler Download PDFInfo
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- CN211119447U CN211119447U CN201921849561.3U CN201921849561U CN211119447U CN 211119447 U CN211119447 U CN 211119447U CN 201921849561 U CN201921849561 U CN 201921849561U CN 211119447 U CN211119447 U CN 211119447U
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Abstract
The utility model discloses a denitration device of a boiler and the boiler, wherein the denitration device comprises a static mixer, a material input pipe, a connecting flange and a connecting piece; wherein: the one end of connecting pipe with static mixer's outer wall is connected, the connecting pipe with static mixer is linked together, flange includes first flange and second flange, the other end of connecting pipe is provided with first flange, the one end of material input pipe is provided with second flange, the connecting pipe with the material input pipe passes through first flange with second flange is linked together, first flange with second flange passes through the connection can be dismantled to the connecting piece and connect. Above-mentioned scheme can solve the problem that denitration device maintainability is low among the background art.
Description
Technical Field
The utility model relates to a flue gas denitration technical field especially relates to a denitrification facility and boiler of boiler.
Background
Because the comburent in the boiler of thermal power factory is not fully burnt, lead to containing oxynitrides such as a large amount of nitrogen monoxide, nitrogen dioxide in the boiler exhaust flue gas, the flue gas directly discharges and can cause environmental pollution in the external environment, consequently the boiler is equipped with denitrification facility often to reduce the content of oxynitrides such as nitrogen monoxide, nitrogen dioxide in the flue gas, and then reduce environmental pollution.
The denitration device comprises a static mixer and a material input pipe, the material input pipe is communicated with the static mixer, and the absorption liquid and the flue gas are conveyed into the static mixer through the material input pipe to be mixed, so that the aim of denitration is fulfilled.
However, the static mixer is connected with the material input pipe in a welding manner, and when the static mixer is maintained with the material input pipe, the connection between the static mixer and the material input pipe needs to be broken, so that the maintainability of the denitration device is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a denitrification facility and boiler of boiler to solve denitrification facility's problem that maintainability can hang down.
In order to solve the above problem, the utility model adopts the following technical scheme:
a denitration device of a boiler comprises a static mixer, a material input pipe, a connecting flange and a connecting piece; wherein:
the one end of connecting pipe with static mixer's outer wall is connected, the connecting pipe with static mixer is linked together, flange includes first flange and second flange, the other end of connecting pipe is provided with first flange, the one end of material input pipe is provided with second flange, the connecting pipe with the material input pipe passes through first flange with second flange is linked together, first flange with second flange passes through the connection can be dismantled to the connecting piece and connect.
A boiler comprises the denitration device.
The utility model discloses a technical scheme can reach following beneficial effect:
the utility model discloses an among the denitrification facility, the one end of connecting pipe is connected with static mixer's outer wall to the connecting pipe is linked together with static mixer, is provided with first flange on the connecting pipe, is provided with second flange on the material input tube, and connecting pipe and material input tube are linked together through first flange and second flange, and first flange and second flange pass through the connecting piece can dismantle the connection. At this moment, can make first flange and second flange phase separation through dismantling the connecting piece to realize dismantling of material input tube and static mixer, consequently can maintain or change material input tube and static mixer, and then improved denitrification facility's maintainability ability.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic view of a denitration apparatus disclosed in an embodiment of the present invention;
fig. 2 is a partial schematic view of a denitration apparatus disclosed in an embodiment of the present invention;
fig. 3 is a front view of a first connecting flange in the denitration device disclosed in the embodiment of the present invention;
fig. 4 is a schematic view of a connecting member in the denitration device disclosed in the embodiment of the present invention.
Description of reference numerals:
100-static mixer,
200-material input pipe,
300-connecting pipe,
400-connecting flange, 410-first connecting flange, 411-first connecting hole, 420-second connecting flange, 500-connecting piece, 510-first base, 520-first clamping part, 530-second clamping part, 540-second base, 550-strip-shaped inserting part,
600-seal, 610-first seal plate, 620-second seal plate, 630-third seal plate,
700-protective cover, 710-first substrate, 720-second substrate, 730-third substrate, 740-fourth substrate, 750-fifth substrate.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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.
The technical solutions disclosed in the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 4, an embodiment of the present invention discloses a denitration device for a boiler, which may include a static mixer 100, a material input pipe 200, a connection pipe 300, a connection flange 400, and a connection member 500.
One end of the connection pipe 300 is connected to the outer wall of the static mixer 100, and the connection pipe 300 is connected to the static mixer 100. the static mixer 100 changes the flowing state of the fluid in the pipe by using the mixing unit fixed in the pipe, so as to achieve the purpose of thorough mixing between different fluids.
The connection flange 400 includes a first connection flange 410 and a second connection flange 420, the first connection flange 410 is provided at one end of the connection pipe 300 away from the static mixer 100, the second connection flange 420 is provided at one end of the material input pipe 200, the connection pipe 300 and the material input pipe 200 are communicated through the first connection flange 410 and the second connection flange 420, and the first connection flange 410 and the second connection flange 420 are detachably connected through the connection member 500.
Specifically, the material input pipe 200 may be an absorption liquid input pipe, or a flue gas input pipe, the absorption liquid or the flue gas sequentially flows through the material input pipe 200, the second connecting flange 420, the first connecting flange 410, and the connecting pipe 300, and finally enters the static mixer 100, and the flue gas and the absorption liquid are mixed in the static mixer 100, so as to achieve the purpose of denitration. The absorption liquid may be ammonia water or other substances for denitration. The connection member 500 may be a bolt and a nut, and the first connection flange 410 and the second connection flange 420 are provided with through holes through which the bolt is inserted to be engaged with the nut, thereby connecting the first connection flange 410 and the second connection flange 420.
Optionally, the connecting pipe 300 is welded to the outer wall of the static mixer 100, in order to prevent leakage at the weld joint, the connecting pipe 300 and the outer wall of the static mixer 100 may be welded in a full-weld manner, and meanwhile, the weld joint may be covered with leakage-proof glue, so as to further prevent leakage at the weld joint. The connecting pipe 300 and the first connecting flange 410 may be connected by welding, and the material inlet pipe 200 and the second connecting flange 420 may also be connected by welding.
The embodiment of the utility model provides an in, can make first flange 410 and second flange 420 phase separation through dismantling connecting piece 500 to realize dismantling of material input tube 200 and static mixer 100, consequently can maintain or change material input tube 200 and static mixer 100, and then improved denitrification facility's maintainability ability.
Absorption liquid or flue gas leak from the seam crossing of first flange 410 and second flange 420 easily, for solving this problem, the utility model discloses a denitrification facility can also include sealing member 600, and sealing member 600 encircles the butt joint gap setting of first flange 410 and second flange 420. At this time, the sealing member 600 covers the butt joint gap between the first connecting flange 410 and the second connecting flange 420, so that the butt joint gap can be blocked, leakage of absorption liquid or flue gas is prevented, and safety and reliability of the denitration device are improved.
Further, the sealing member 600 may include a first sealing plate 610, a second sealing plate 620, and a third sealing plate 630, where the first sealing plate 610 and the third sealing plate 630 are connected through the second sealing plate 620, the second sealing plate 620 is disposed around the butt gap between the first connecting flange 410 and the second connecting flange 420, the first sealing plate 610 is attached to the end surface of the first connecting flange 410, and the third sealing plate 630 is attached to the end surface of the second connecting flange 420. In this scheme, sealing member 600 can wrap up first flange 410 and second flange 420 to make the sealing performance between first flange 410 and the second flange 420 further improve, and then improved denitrification facility's security and reliability. Meanwhile, the first sealing plate 610 is attached to the first connecting flange 410, so that the first sealing plate 610 applies pressure to the first connecting flange 410, and the second sealing plate 620 is attached to the second connecting flange 420, so that the second sealing plate 620 applies pressure to the second connecting flange 420, so that the first connecting flange 410 and the second connecting flange 420 are pressed together more tightly, and the sealing performance between the first connecting flange 410 and the second connecting flange 420 is further improved.
The first connecting flange 410, the second connecting flange 420 and the connecting member 500 are easy to be damaged in the environment, in an optional embodiment, the utility model discloses a denitration device can also include the protection cover 700, this protection cover 700 is at least two, the first connecting flange 410 and the second connecting flange 420 are located the installation space that at least two protection covers 700 enclose, can dismantle the connection between the adjacent protection cover 700. At this time, the protective cover 700 covers the first connection flange 410, the second connection flange 420, and the connection member 500 inside, thereby preventing the first connection flange 410, the second connection flange 420, and the connection member 500 from being damaged, and thus extending the service life of the denitrification apparatus.
In addition, the adjacent protection covers 700 are detachably connected, so that the maintainability of the denitration device is further improved. Alternatively, the adjacent protection covers 700 may be coupled to each other by a screw coupling. The quantity of safety cover 700 is more for the denitrification facility equipment is loaded down with trivial details, and seam quantity is more simultaneously, causes the dust of external environment to get into safety cover 700 easily. The number of the protective cover 700 may be two, and at this time, the protective cover may protect the first connecting flange 410, the second connecting flange 420, and the connecting member 500, and the number of seams between the protective cover 700 is small, thereby improving the dustproof performance of the protective cover 700.
Specifically, the protective cover 700 may include a first substrate 710, a second substrate 720, and a third substrate 730, the first substrate 710 and the third substrate 730 are connected by the second substrate 720, the second substrate 720 is disposed around the butt seam of the first connection flange 410 and the second connection flange 420, the first substrate 710 is disposed toward the end surface of the first connection flange 410, and the third substrate 730 is disposed toward the end surface of the second connection flange 420. At this time, the protective cover 700 may directly cover the first and second connection flanges 410 and 420, thereby facilitating installation of the protective cover 700. Optionally, the first substrate 710, the second substrate 720 and the third substrate 730 may be connected by welding, and in order to improve the waterproof performance of the protective cover 700, the welding seams of the substrates may be covered with anti-leakage glue. The protective cover 700 may also be manufactured by integral casting.
In order to prevent the connection between the connection pipe 300 and the first connection flange 410 and the connection between the material input pipe 200 and the second connection flange 420 from being damaged, in another embodiment, the protection cover 700 may further include a fourth base plate 740 and a fifth base plate 750, the fourth base plate 740 extends from one end of the first base plate 710 and wraps a portion of the connection pipe 300, and the fifth base plate 750 extends from one end of the third base plate 730 and wraps a portion of the material input pipe 200.
At this time, the protective cover 700 can wrap the joint of the first connecting flange 410 and the connecting pipe 300 and the joint of the second connecting flange 420 and the material input pipe 200, so that the joint of the connecting pipe 300 and the first connecting flange 410 and the joint of the material input pipe 200 and the second connecting flange 420 are not easily damaged, and the safety and reliability of the denitration device are further improved.
For this reason, in an alternative embodiment, first gaps are formed between the protective cover 700 and the connecting pipe 300, the first connecting flange 410, the second connecting flange 420, and the material input pipe 200, and an anti-wear layer is disposed in the first gaps. This scheme can prevent to take place wearing and tearing between safety cover 700 and connecting pipe 300, first flange 410, second flange 420 and the material input pipe 200 to the life of extension denitrification facility. Optionally, the wear-resistant layer may be made of materials such as silica gel and plastic.
The protection cover 700 is disposed in an external environment and is easily corroded, and therefore, the protection cover 700 may be an anti-corrosion structure, so that the protection cover 700 is effectively prevented from being corroded, and the service life of the protection cover 700 is prolonged. Optionally, the protective cover 700 may be treated by plating, painting, or the like, so as to improve its corrosion resistance.
In the above embodiment, the connector 500 may be a threaded connector, but the threaded connector requires a special tool to disassemble and fasten it, making installation cumbersome. In an alternative embodiment, the connecting member 500 may include a first base 510, a first clamping portion 520 and a second clamping portion 530, the first clamping portion 520 and the second clamping portion 530 are disposed opposite to each other, the first connecting flange 410 has a first connecting hole 411, the second connecting flange 420 has a second connecting hole communicated with the first connecting hole 411, one ends of the first clamping portion 520 and the second clamping portion 530 are fixedly connected to the first base 510, and the other ends of the first clamping portion 520 and the second clamping portion 530 pass through the first connecting hole 411 and the second connecting hole to be clamped to the first connecting flange 410 or the second connecting flange 420. When the first connection flange 410 is connected with the second connection flange 420, one ends of the first clamping portion 520 and the second clamping portion 530 pass through the first connection hole 411 and the second connection hole and are clamped with the first connection flange 410 or the second connection flange 420, so that the first connection flange 410 and the second connection flange 420 are fixed; when the first connecting flange 410 and the second connecting flange 420 are detached, one ends of the first clamping portion 520 and the second clamping portion 530, which are far away from the first base 510, are separated from the first connecting flange 410 or the second connecting flange 420, and then the first clamping portion 520 and the second clamping portion 530 are moved out of the first connecting hole 411 and the second connecting hole, so that the first connecting flange 410 and the second connecting flange 420 are separated. By the scheme, the first connecting flange 410 and the second connecting flange 420 are connected simply and conveniently, and the denitration device is convenient to maintain.
In order to facilitate the installation of the first clamping portion 520 and the second clamping portion 530, a second gap is arranged between the first clamping portion 520 and the second clamping portion 530, and the second gap between the first clamping portion 520 and the second clamping portion 530 is changed, so that the installation and the disassembly of the first clamping portion 520 and the second clamping portion 530 are realized, but after the first clamping portion 520 and the second clamping portion 530 are clamped with the first connecting flange 410 or the second connecting flange 420, the denitration device is affected by external force, the second gap between the first clamping portion 520 and the second clamping portion 530 is easily reduced, so that the matching between the first clamping portion 520 and the second clamping portion 530 and the first connecting flange 410 or the second connecting flange 420 is disabled, and the first connecting flange 410 and the second connecting flange 420 are separated.
In an alternative embodiment, the connection member 500 may further include a second base 540 and a strip-shaped plugging portion 550, one end of the strip-shaped plugging portion 550 is fixedly connected to the second base 540, the other end of the strip-shaped plugging portion 550 passes through the first connection hole 411 and the second connection hole, and the strip-shaped plugging portion 550 is plugged into the second gap. At this moment, bar grafting portion 550 can insert in the access second clearance to make bar grafting portion 550 can tamp first joint portion 520 and second joint portion 530, thereby prevent that first joint portion 520 and second joint portion 530 from rocking, and then guarantee that the second clearance keeps unchangeable, make the connection of first joint portion 520 and second joint portion 530 more reliable.
When the first connecting flange 410 is connected with the second connecting flange 420, the first clamping portion 520 and the second clamping portion 530 penetrate through the first connecting hole 411 and then penetrate out of the second connecting hole, one ends of the first clamping portion 520 and the second clamping portion 530 far away from the first base 510 are clamped with the second connecting flange 420, one ends of the strip-shaped inserting portions 550 penetrate through the second connecting hole and are inserted into the second gap, and then the connecting piece 500 is assembled; when the first and second connection flanges 410 and 420 are detached, the bar-shaped insertion part 550 is first detached from the second gap, then the first and second catching parts 520 and 530 are separated from the second connection flange 420, and then the first and second catching parts 520 and 530 are taken out from the first and second connection holes 411 and 420, thereby completing the detachment of the first and second connection flanges 410 and 420.
In addition, when the first connection flange 410 is connected to the second connection flange 420, the first base 510 can cover the first connection hole 411, and the second base 540 can cover the second connection hole, so as to prevent dust from entering from the first connection hole 411 and the second connection hole, and further prevent the connection member 500 from being easily jammed when being detached.
Based on above-mentioned embodiment denitrification facility, the embodiment of the utility model provides a still disclose a boiler, the disclosed boiler has above-mentioned embodiment denitrification facility.
The utility model discloses what the key description in the above embodiment is different between each embodiment, and different optimization characteristics are as long as not contradictory between each embodiment, all can make up and form more preferred embodiment, consider that the literary composition is succinct, then no longer describe here.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The denitration device of the boiler is characterized by comprising a static mixer (100), a material input pipe (200), a connecting pipe (300), a connecting flange (400) and a connecting piece (500); wherein:
the one end of connecting pipe (300) with the outer wall of static mixer (100) is connected, connecting pipe (300) with static mixer (100) is linked together, flange (400) include first flange (410) and second flange (420), the other end of connecting pipe (300) is provided with first flange (410), the one end of material input tube (200) is provided with second flange (420), connecting pipe (300) with material input tube (200) pass through first flange (410) with second flange (420) are linked together, first flange (410) with second flange (420) pass through the connection can be dismantled in connecting piece (500) and connect.
2. The denitration device according to claim 1, further comprising a sealing member (600), wherein the sealing member (600) is disposed around the butt seam of the first connection flange (410) and the second connection flange (420).
3. The denitration device according to claim 2, wherein the sealing member (600) comprises a first sealing plate (610), a second sealing plate (620) and a third sealing plate (630), the first sealing plate (610) and the third sealing plate (630) are connected through the second sealing plate (620), the second sealing plate (620) is arranged around the butt seam of the first connecting flange (410) and the second connecting flange (420), the first sealing plate (610) is abutted against the end face of the first connecting flange (410), and the third sealing plate (630) is abutted against the end face of the second connecting flange (420).
4. The denitration device according to claim 1, further comprising at least two protection covers (700), wherein the first connecting flange (410) and the second connecting flange (420) are located in an installation space surrounded by at least two protection covers (700), and adjacent protection covers (700) are detachably connected.
5. The denitration apparatus according to claim 4, wherein the protection cover (700) comprises a first substrate (710), a second substrate (720) and a third substrate (730), the first substrate (710) and the third substrate (730) are connected through the second substrate (720), the second substrate (720) is disposed around the butt seam of the first connection flange (410) and the second connection flange (420), the first substrate (710) is disposed toward the end surface of the first connection flange (410), and the third substrate (730) is disposed toward the end surface of the second connection flange (420);
the protective cover (700) further comprises a fourth substrate (740) and a fifth substrate (750), the fourth substrate (740) extends out of one end of the first substrate (710) and wraps the connecting pipe (300), the fifth substrate (750) extends out of one end of the third substrate (730) and wraps the material input pipe (200).
6. The denitration device according to claim 5, wherein a first gap is formed between the protective cover (700) and the connecting pipe (300), the first connecting flange (410), the second connecting flange (420) and the material input pipe (200), and a wear-resistant layer is arranged in the first gap.
7. The denitration apparatus according to claim 4, wherein the protection cover (700) is an anticorrosive structure.
8. The denitration device according to claim 1, wherein the connecting member (500) comprises a first base (510), a first clamping portion (520) and a second clamping portion (530), the first clamping portion (520) and the second clamping portion (530) are arranged oppositely, the first connecting flange (410) is provided with a first connecting hole (411), the second connecting flange (420) is provided with a second connecting hole communicated with the first connecting hole (411), one ends of the first clamping portion (520) and the second clamping portion (530) are respectively and fixedly connected with the first base (510), and the other ends of the first clamping portion (520) and the second clamping portion (530) penetrate through the first connecting hole (411) and the second connecting hole to be clamped with the first connecting flange (410) or the second connecting flange (420).
9. The denitration device according to claim 8, wherein the connecting member (500) further comprises a second base (540) and a strip-shaped insertion portion (550), a second gap is formed between the first clamping portion (520) and the second clamping portion (530), one end of the strip-shaped insertion portion (550) is fixedly connected with the second base (540), the other end of the strip-shaped insertion portion (550) passes through the first connecting hole (411) and the second connecting hole, and the strip-shaped insertion portion (550) is inserted into the second gap.
10. A boiler, characterized by comprising the denitration apparatus of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849561.3U CN211119447U (en) | 2019-10-30 | 2019-10-30 | Denitration device of boiler and boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921849561.3U CN211119447U (en) | 2019-10-30 | 2019-10-30 | Denitration device of boiler and boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211119447U true CN211119447U (en) | 2020-07-28 |
Family
ID=71693439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921849561.3U Active CN211119447U (en) | 2019-10-30 | 2019-10-30 | Denitration device of boiler and boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211119447U (en) |
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2019
- 2019-10-30 CN CN201921849561.3U patent/CN211119447U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.7 Anji Road, Andong Park, Jinjiang science and Technology Industrial Park, Quanzhou City, Fujian Province, 362271 Patentee after: Guoneng Shenfu (Jinjiang) Thermal Power Co.,Ltd. Patentee after: SHENHUA FUJIAN ENERGY Co.,Ltd. Patentee after: Liu Hongguo Address before: No.7 Anji Road, Andong Park, Jinjiang science and Technology Industrial Park, Quanzhou City, Fujian Province, 362271 Patentee before: FUJIAN JINJIANG COGENERATION Co.,Ltd. Patentee before: SHENHUA FUJIAN ENERGY Co.,Ltd. Patentee before: Liu Hongguo |
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| CP01 | Change in the name or title of a patent holder |