CN215842502U

CN215842502U - PNCR denitrification facility

Info

Publication number: CN215842502U
Application number: CN202121995382.8U
Authority: CN
Inventors: 季罡; 陈跃忠
Original assignee: Jiangsu Kairuida Environmental Protection Technology Co ltd
Current assignee: Jiangsu Kairuida Environmental Protection Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-02-18
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses a PNCR (pneumatic-physical random access) denitration device, which comprises a denitration device body, wherein a placing frame is arranged inside the denitration device body, a plurality of groups of catalyst bodies are arranged on the placing frame, and two convex blocks are arranged at the bottom of the placing frame. This PNCR denitrification facility, through fixed establishment, the setting of lug and recess, upwards promote T shape slider, T shape slider drives the round bar rebound, the round bar can drive L shape inserted bar rebound and compress reset spring, L shape inserted bar rebound back and draw-in groove phase separation, pull out the rack through handle two, thereby alright change catalyst body fast, the simple operation, the effectual denitration quality who improves the device, and simultaneously, through the setting of filter screen, the filter screen injects in the mounting groove that corresponds, the filter screen filters the large granule impurity in the flue gas, avoid large granule impurity to block up denitrification facility, make the unable normal clear of flue gas, influence denitrification facility's normal work.

Description

PNCR denitrification facility

Technical Field

The utility model relates to the technical field of denitration equipment, in particular to a PNCR denitration device.

Background

With the development of modern industrial production and the improvement of living standard, the importance of the process for removing nitrogen oxides from combustion flue gas and preventing environmental pollution has been pointed out as a problem worldwide.

At present, often need react through catalyst and flue gas in carrying out the denitration in-process, the effect of reaction is not obvious gradually after the long-time use of catalyst, and the quick replacement catalyst of being not convenient for mostly of current PNCR denitrification facility, make the denitration effect not high, reach the standard that the environmental protection was discharged, and simultaneously, the large granule impurity in the flue gas mostly can't be filtered to current PNCR denitrification facility, long-term the use leads to inside and the flue of denitrification facility to cause the jam easily, make the flue gas normally pass through, influence denitrification facility's normal work. Therefore, we improve the method and propose a PNCR denitration device.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the PNCR denitration device comprises a denitration device body, wherein a placing frame is arranged inside the denitration device body, a plurality of groups of catalyst bodies are arranged on the placing frame, two convex blocks are arranged at the bottom of the placing frame, two grooves are horizontally arranged on the inner wall of the bottom of the denitration device body, the outer sides of the convex blocks are in sliding connection with the corresponding inner walls of the grooves, a clamping block is fixedly arranged on one side of the placing frame, a clamping groove is formed in the top of the clamping block, a fixing mechanism is arranged on one side of the denitration device body and comprises a T-shaped sliding rail, a T-shaped sliding block, a round rod, a limiting rod, a reset spring and an L-shaped inserting rod, and the L-shaped inserting rod is clamped with the clamping groove.

As a preferred technical scheme of the present invention, the T-shaped slider is slidably connected to the inside of the T-shaped slide rail, the round bar is disposed inside the T-shaped slide rail, the T-shaped slider is fixedly connected to the outside of the round bar, the limit bar is vertically mounted on the inner wall of the bottom of the T-shaped slide rail, the bottom of the round bar is slidably sleeved on the outside of the limit bar, the top end of the round bar extends to the top of the T-shaped slide rail, the extending end of the round bar is fixed to the L-shaped insertion rod through a bolt, the return spring is disposed between the T-shaped slider and the inner wall of the top of the T-shaped slide rail, and the return spring is sleeved on the outside of the round bar.

As a preferred technical scheme, two mounting holes are formed in the top of the denitration device body, mounting grooves are formed in the mounting holes, a filter screen is arranged in each mounting groove, and a first handle is fixedly mounted at the top end of each filter screen.

As a preferred technical scheme, one side of the denitration device body is fixedly communicated with an air inlet pipe, the other side of the denitration device body is fixedly communicated with an air outlet pipe, and one side, far away from the air inlet pipe, of the air inlet pipe and the air outlet pipe is fixedly communicated with a flue.

As a preferable technical scheme of the utility model, a round hole is formed at the top of the T-shaped slide rail, and the side wall of the round hole is in sliding connection with the outer side of the round rod.

As a preferable technical scheme of the utility model, the bottom end of the round rod is provided with a round groove, and the inner wall of the round groove is connected with a limiting rod in a sliding manner.

As a preferable technical scheme of the utility model, sealing strips are fixedly arranged on two side sides of the placing frame, and a second handle is fixedly connected to one side of the placing frame.

The utility model has the beneficial effects that:

1. according to the PNCR denitration device, the T-shaped sliding block is pushed upwards through the arrangement of the fixing mechanism, the protruding block and the groove, the T-shaped sliding block drives the round rod to move upwards, the round rod can drive the L-shaped inserting rod to move upwards and compress the reset spring, the L-shaped inserting rod is separated from the clamping groove after moving upwards, and the placing frame is pulled out through the second handle, so that the catalyst body can be replaced quickly, the operation is convenient and fast, and the denitration quality of the device is effectively improved;

2. this PNCR denitrification facility, through the setting of filter screen, in the filter screen injects the mounting groove that corresponds, the filter screen filters the large granule impurity in the flue gas, avoids large granule impurity to block up denitrification facility for the unable normal work that influences denitrification facility of flue gas passes through.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a PNCR denitration apparatus according to the present invention;

FIG. 2 is a schematic view of the PNCR denitration apparatus of the present invention, shown in a disassembled structure in FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 1 illustrating a PNCR denitration apparatus according to the present invention;

fig. 4 is a schematic diagram of a disassembled structure of a fixing mechanism of the PNCR denitration device according to the present invention.

In the figure: 1. a denitrification facility body; 2. placing a rack; 3. a catalyst body; 4. a bump; 5. a groove; 6. a clamping block; 7. a fixing mechanism; 701. a T-shaped slide rail; 702. a T-shaped slider; 703. a round bar; 704. a limiting rod; 705. a return spring; 706. an L-shaped insert rod; 8. mounting grooves; 9. a filter screen; 10. a first handle; 11. an air inlet pipe; 12. an air outlet pipe; 13. a flue; 14. a sealing strip; 15. and a second handle.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the PNCR denitration device of the present invention includes a denitration device body 1, a holding frame 2 is disposed inside the denitration device body 1, a plurality of groups of catalyst bodies 3 are disposed on the holding frame 2, two projections 4 are disposed at the bottom of the holding frame 2, two grooves 5 are horizontally disposed on the inner wall of the bottom of the denitration device body 1, the outer sides of the projections 4 are slidably connected with the inner walls of the corresponding grooves 5, a fixture block 6 is fixedly disposed on one side of the holding frame 2, a clamping groove is disposed at the top of the fixture block 6, a fixing mechanism 7 is disposed on one side of the denitration device body 1, the fixing mechanism 7 includes a T-shaped slide rail 701, a T-shaped slide block 702, a round bar 703, a limit bar 704, a return spring 705 and an L-shaped insert bar 706, and the L-shaped insert bar 706 is clamped with the clamping groove.

The T-shaped sliding block 702 is connected with the inside of the T-shaped sliding rail 701 in a sliding mode, the round rod 703 is arranged inside the T-shaped sliding rail 701, the T-shaped sliding block 702 is fixedly connected with the outer side of the round rod 703, the limiting rod 704 is vertically installed on the inner wall of the bottom of the T-shaped sliding rail 701, the bottom of the round rod 703 is sleeved on the outer side of the limiting rod 704 in a sliding mode, the top end of the round rod 703 extends to the top of the T-shaped sliding rail 701, the extending end of the round rod 703 is fixed with the L-shaped inserting rod 706 through a bolt, the reset spring 705 is arranged between the T-shaped sliding block 702 and the inner wall of the top of the T-shaped sliding rail 701, the reset spring 705 is sleeved on the outer side of the round rod 703, and when the T-shaped sliding rail is used, the reset effect can be achieved through the arrangement of the reset spring 705; the limiting rod 704 is arranged to limit the round rod 703, so that the round rod 703 cannot deviate in the moving process.

Wherein, two mounting holes have been seted up at the top of denitrification facility body 1, are provided with mounting groove 8 in the mounting hole, are provided with filter screen 9 in the mounting groove 8, and the top fixed mounting of filter screen 9 has a handle 10, and when using, through the setting of filter screen 9, large granule impurity in the filterable flue gas avoids the inside jam of denitrification facility.

Wherein, the fixed and intercommunication of denitration device body 1 one side has intake pipe 11, and the fixed and intercommunication of 1 another avris of denitration device body has outlet duct 12, and intake pipe 11 and outlet duct 12 are fixed and are communicated with flue 13 in the one side of keeping away from each other, and when using, through the setting of flue 13, the entering and the discharge of the flue gas of being convenient for.

Wherein, the circular port has been seted up at T shape slide rail 701's top, and the lateral wall of circular port and the outside sliding connection of pole 703, when using, through the setting of circular port, play spacing effect, at the in-process that pole 703 removed, the phenomenon of skew can not appear.

Wherein, circular recess has been seted up to the bottom of round bar 703, and the inner wall sliding connection of circular recess has gag lever post 704, and when using, through the setting of circular recess, can play spacing effect for the phenomenon of skew can not appear in the round bar 703 removal in-process.

Wherein, rack 2's both sides side fixed mounting has sealing strip 14, and rack 2's one side fixedly connected with handle two 15 when using, through the setting of sealing strip 14, can play sealed effect, avoids the flue gas to reveal.

The working principle is as follows: when the denitration device is used, when the catalyst body 3 needs to be replaced, the T-shaped sliding block 702 is pushed upwards, the T-shaped sliding block 702 drives the round rod 703 to move upwards, the round rod 703 can drive the L-shaped insertion rod 706 to move upwards and compress the return spring 705, the L-shaped insertion rod 706 moves upwards and then is separated from the clamping groove, at the moment, the second handle 15 is pulled outwards, and the placing frame 2 is pulled out through the second handle 15, so that the catalyst body 3 can be replaced quickly, the operation is convenient, and the denitration quality of the denitration device is effectively improved; when large granule impurity is filtered to needs, inject filter screen 9 into corresponding mounting groove 8 in, filter screen 9 filters the large granule impurity in the flue gas, when needs change filter screen 9, directly upwards stimulates handle 10, takes out filter screen 9 from mounting groove 8 and changes.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

The PNCR denitration device comprises a denitration device body (1) and is characterized in that a placing rack (2) is arranged inside the denitration device body (1), a plurality of groups of catalyst bodies (3) are arranged on the placing rack (2), two bumps (4) are arranged at the bottom of the placing rack (2), two grooves (5) are horizontally arranged on the inner wall of the bottom of the denitration device body (1), the outer sides of the bumps (4) are in sliding connection with the inner walls of the corresponding grooves (5), a clamping block (6) is fixedly arranged on one side of the placing rack (2), a clamping groove is formed in the top of the clamping block (6), a fixing mechanism (7) is arranged on one side of the denitration device body (1), and the fixing mechanism (7) comprises a T-shaped sliding rail (701), a T-shaped sliding block (702), a round rod (703), a limiting rod (704), a return spring (705) and an L-shaped inserted rod (706), the L-shaped insertion rod (706) is clamped with the clamping groove.
2. The PNCR denitration device of claim 1, wherein the T-shaped slider (702) is slidably connected with the inside of the T-shaped slide rail (701), the round rod (703) is arranged inside the T-shaped slide rail (701), the T-shaped slider (702) is fixedly connected with the outside of the round rod (703), the limiting rod (704) is vertically installed on the bottom inner wall of the T-shaped slide rail (701), the bottom of the round rod (703) is slidably sleeved on the outside of the limiting rod (704), the top end of the round rod (703) extends to the top of the T-shaped slide rail (701), the extending end of the round rod (703) is fixed with the L-shaped inserted rod (706) through a bolt, the return spring (705) is arranged between the T-shaped slider (702) and the top inner wall of the T-shaped slide rail (701), and the return spring (705) is sleeved on the outside of the round rod (703).
3. The PNCR denitration device of claim 1, wherein two mounting holes are formed in the top of the denitration device body (1), a mounting groove (8) is formed in the mounting hole, a filter screen (9) is arranged in the mounting groove (8), and a first handle (10) is fixedly mounted at the top end of the filter screen (9).
4. The PNCR denitration device of claim 1, wherein an air inlet pipe (11) is fixed and communicated with one side of the denitration device body (1), an air outlet pipe (12) is fixed and communicated with the other side of the denitration device body (1), and a flue (13) is fixed and communicated with one side of the air inlet pipe (11) and the air outlet pipe (12) far away from each other.
5. The PNCR denitration device of claim 1, wherein a circular hole is opened at the top of the T-shaped slide rail (701), and the side wall of the circular hole is slidably connected with the outer side of the round rod (703).
6. The PNCR denitration device of claim 1, wherein a circular groove is opened at the bottom end of the circular rod (703), and a limiting rod (704) is slidably connected to the inner wall of the circular groove.
7. The PNCR denitration device of claim 1, wherein sealing strips (14) are fixedly installed on two side sides of the placing frame (2), and a second handle (15) is fixedly connected to one side of the placing frame (2).