Low-resistance external denitration airflow distribution device
By designing a low-resistance external denitrification airflow distribution device, and adopting a knob-driven threaded rod cleaning system and a motor-driven diversion mechanism, the problem of low efficiency caused by insufficient flue gas pretreatment was solved, dust cleaning and airflow diversion were achieved, and denitrification efficiency and economy were improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-03-27
AI Technical Summary
Existing technologies cannot pre-treat flue gas, resulting in decreased work efficiency.
A low-resistance external denitrification airflow distribution device was designed, comprising a knob-driven threaded rod cleaning system and a motor-driven diversion mechanism for cleaning the filter screen and achieving airflow diversion.
It effectively cleans dust, ensures uniform distribution of flue gas, and improves denitrification efficiency and system operation economy.
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Figure CN224050399U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to flue gas treatment technical field especially relates to low resistance's denitration gas flow distribution device of furnace outside. BACKGROUND
[0002] Low resistance's denitration gas flow distribution device of furnace outside is a kind of equipment applied to denitration process outside furnace, its main role is to make the flue gas containing nitrogen oxides evenly distribute in denitration reaction equipment, ensure that flue gas and denitrating agent are fully contacted and react, to reach the purpose of efficient denitration, while the device is through special structure design, such as the reasonable arrangement of guide vane and flow equalizing device, effectively reduce the resistance when flue gas passes, reduce the energy consumption of induced draft fan, improve the operation efficiency and economy of entire denitration system.
[0003] Through the retrieval, China patent publication No. CN214287392U discloses a thermal power boiler dust removal desulfurization and denitrification device, including the shell, the outer wall of the side of the shell is provided with the mounting hole one, and the inner wall of mounting hole one is inserted with the air inlet pipe, the top outer wall of the shell is fixedly connected with the water box, and the outer wall of one side of the water box is provided with the mounting hole two, the inner wall of the mounting hole two is inserted with the water inlet pipe, and the outer wall of the bottom of the water box is provided with the mounting hole three distributed at equal intervals, the inner wall of the mounting hole three is fixedly connected with the spray head, the utility model discloses a water inlet pipe is provided, after the flue gas enters into the shell from the air inlet pipe, under the action of speed reducer and inclined plate, the airflow can be slowed down, and the water inlet pipe is connected with the high-pressure water pipe, so water enters the water box and is sprayed from the spray head, so that the floating matter in the airflow after being slowed down can fully contact with water and be carried away from the water outlet pipe for treatment, so that the floating matter in the flue gas can be effectively treated, and the possibility of pipeline blockage is reduced, but in the prior art, the flue gas cannot be pretreated, which leads to low work efficiency. UTILITY MODEL CONTENTS
[0004] The utility model discloses low resistance's denitration gas flow distribution device of furnace outside aims at solving the technical problem of low work efficiency in prior art due to the flue gas cannot be pretreated.
[0005] To achieve the above-mentioned purpose, the utility model discloses low resistance's denitration gas flow distribution device of furnace outside, including the furnace body, the left side of the furnace body is installed with the loading box, the top of the loading box is provided with the knob, the bottom of the knob is fixedly connected with the threaded rod, the outer side of the threaded rod is connected with the threaded block, the left side of the threaded block is fixedly connected with the cleaning rod, the inside left side of the loading box is provided with the filter screen, the bottom of the filter screen is fixedly connected with the box body, the left side of the loading box is installed with the shunt mechanism, and the shunt mechanism plays the role of shunt.
[0006] Optionally,
[0007] The shunt mechanism includes a protection box arranged on the left side of the loading box, a motor is arranged on the top left side of the protection box, a rotating shaft is fixedly connected to the bottom of the motor, a gear one is fixedly connected to the outer side of the rotating shaft, a rotating rod one is rotatably connected to the top middle part of the protection box, a baffle one is fixedly connected to the bottom of the rotating rod one, a gear two is fixedly connected to the top of the rotating rod one, the gear one is meshingly connected with the gear two, a rotating disc one is fixedly connected to the top end of the rotating rod one, a rotating rod two is fixedly connected to the top of the rotating disc one, a connecting rod is rotatably connected to the top of the rotating rod two, a rotating rod three is rotatably connected to the bottom of the connecting rod, a rotating disc two is fixedly connected to the bottom of the rotating rod three, a rotating rod two is fixedly connected to the bottom of the rotating disc two, and a baffle two is fixedly connected to the outer side of the rotating rod two.
[0008] Optionally,
[0009] A plurality of supporting legs are fixedly connected to the bottom of the furnace body at equal intervals, and a foot pad is fixedly connected to the bottom of the supporting leg.
[0010] Optionally,
[0011] A connecting plate is fixedly connected to the front side of the outer wall of the furnace body, and a label is fixedly connected to the outer side of the connecting plate.
[0012] Optionally,
[0013] A placing block is fixedly connected to the right side upper end of the furnace body, and a handle is fixedly connected to the outer side of the placing block.
[0014] Optionally,
[0015] A warning sign is arranged on the right side lower end of the furnace body, and a screw is threadedly connected to the outer side of the warning sign.
[0016] Optionally,
[0017] A storage box is fixedly connected to the rear top of the furnace body, and a cover plate is arranged on the top wall of the storage box.
[0018] Optionally,
[0019] An installation block is fixedly connected to the rear bottom of the furnace body, and a hook is fixedly connected to the outer side of the installation block.
[0020] The low-resistance furnace denitration gas flow distribution device provided by the embodiment of the utility model has one or more of the above technical solutions at least with one of the following technical effects:
[0021] 1. In the utility model, the rotating knob will drive the threaded rod to rotate, the threaded rod is connected with the cleaning rod through the threaded block, so that the cleaning rod moves, the loading box is provided with a filter screen, the box body is connected, the cleaning rod moves to clean the dust in the box, the dust falls into the box body, so that the dust can be effectively cleaned, and accumulation is avoided.
[0022] 2. In the utility model, the kinetic energy of the starting motor is transmitted through the rotating shaft and gear one, so that gear two rotates, and then rotating rod one and baffle one drive rotating disc one to rotate, the rotating rod one on the rotating disc one moves the connecting rod, so that rotating disc two rotates, rotating rod two and baffle two move, and airflow distribution is realized. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0024] Figure 1 It is a front view of the low-resistance denitration gas flow distribution device outside the furnace provided by the utility model;
[0025] Figure 2 It is a perspective view of the low-resistance denitration gas flow distribution device outside the furnace provided by the utility model;
[0026] Figure 3 It is a rear view of the low-resistance denitration gas flow distribution device outside the furnace provided by the utility model;
[0027] Figure 4 It is a local structure display view of the low-resistance denitration gas flow distribution device outside the furnace provided by the utility model;
[0028] Figure 5 It is a shunt mechanism schematic view of the low-resistance denitration gas flow distribution device outside the furnace provided by the utility model.
[0029] Among them, the reference signs in the drawing are:
[0030] 1, furnace body; 2, flow distribution mechanism; 201, protection box; 202, motor; 203, rotating shaft; 204, gear one; 205, rotating rod one; 206, gear two; 207, rotating disc one; 208, rotating rod two; 209, baffle one; 210, rotating rod two; 211, rotating disc two; 212, connecting rod; 213, rotating rod two; 214, baffle two; 3, loading box; 4, knob; 5, threaded rod; 6, threaded block; 7, cleaning rod; 8, filter screen; 9, box body; 10, supporting leg; 11, foot pad; 12, connecting plate; 13, label; 14, placing block; 15, handle; 16, warning board; 17, screw; 18, storage box; 19, cover plate; 20, mounting block; 21, hook. DETAILED DESCRIPTION
[0031] The embodiments of the present application will be described in detail below with reference to the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the embodiments of the present application, and should not be understood as limiting the present application.
[0032] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the embodiments of the present application and simplify the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0033] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.
[0034] In the embodiments of the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0035] In an embodiment of the utility model, as shown in Figure 1 、 Figure 2 and Figure 4 Indicated, provide low resistance denitration gas flow distribution device outside the furnace, including furnace body 1, the left side of furnace body 1 is installed with loading box 3, the top of loading box 3 is provided with knob 4, the bottom of knob 4 is fixedly connected with threaded rod 5, rotates knob 4 and drives threaded rod 5 to rotate, the outside of threaded rod 5 is screw-connected with threaded block 6, the left side of threaded block 6 is fixedly connected with cleaning rod 7, the inside left side of loading box 3 is provided with filter screen 8, the bottom of filter screen 8 is fixedly connected with box body 9, the left side of loading box 3 is installed with shunt mechanism 2, shunt mechanism 2 plays the role of shunt, the bottom of furnace body 1 is fixedly connected with a plurality of support legs 10 at equal intervals, the bottom of support leg 10 is fixedly connected with foot pad 11, plays the role of supporting the whole, the outer wall front side of furnace body 1 is fixedly connected with connecting plate 12, the outside of connecting plate 12 is fixedly connected with label 13;
[0036] Specifically, by rotating knob 4, drive threaded rod 5 to rotate, the outside of threaded rod 5 is screw-connected with threaded block 6, and threaded block 6 is fixed with cleaning rod 7, so that cleaning rod 7 can move correspondingly, loading box 3 is provided with filter screen 8, filter screen 8 is connected with box body 9, by this mode, the movement of cleaning rod 7 can effectively remove the dust in loading box 3, so that dust falls into box body 9, the bottom of furnace body 1 is fixedly connected with a plurality of support legs 10 at equal intervals, the bottom of support leg 10 is provided with foot pad 11, to realize the support of overall structure, the outer wall front side of furnace body 1 is fixedly connected with connecting plate 12, and the outside of connecting plate 12 is fixed with label 13.
[0037] In another embodiment of the utility model, as shown in Figure 2 、 Figure 3 and Figure 5As shown, the low-resistance off-gas denitration flow distribution device comprises a protection box 201 arranged at the left side of the loading box 3, a motor 202 arranged at the top left side of the protection box 201, a rotating shaft 203 fixedly connected to the bottom of the motor 202 and driven to rotate by the kinetic energy of the motor 202, a gear one 204 fixedly connected to the outer side of the rotating shaft 203, a rotating rod one 205 rotatably connected to the top middle part of the protection box 201, a baffle one 209 fixedly connected to the bottom of the rotating rod one 205, a gear two 206 fixedly connected to the top of the rotating rod one 205, the gear one 204 and the gear two 206 being in meshing connection, a rotating disc one 207 fixedly connected to the top end of the rotating rod one 205, a rotating rod two 210 rotatably connected to the bottom of the rotating rod one 208, a rotating disc two 211 fixedly connected to the bottom of the rotating rod two 210, a rotating rod two 213 fixedly connected to the bottom of the rotating disc two 211, a baffle two 214 fixedly connected to the outer side of the rotating rod two 213, a placing block 14 fixedly connected to the right side upper end of the furnace body 1, a handle 15 fixedly connected to the outer side of the placing block 14, the handle 15 being capable of better operation, a warning board 16 arranged at the right side lower end of the furnace body 1, and a screw 17 threadedly connected to the outer side of the warning board 16, the warning board 16 being fixed by the screw 17 and playing a warning role.
[0038] Specifically, after the motor 202 is started, the kinetic energy of the motor 202 drives the rotating shaft 203 to rotate, and then the gear one 204 fixedly connected to the rotating shaft 203 also starts to rotate, the meshing action of the gear one 204 and the gear two 206 drives the rotating rod one 205 to rotate, the rotation of the rotating rod one 205 causes the baffle one 209 and the rotating disc one 207 to rotate synchronously, the rotating rod one 208 installed on the rotating disc one 207 drags the connecting rod 212 to move correspondingly, and then drives the rotating disc two 211 to rotate, the rotating rod two 213 is arranged at the bottom of the rotating disc two 211 and the baffle two 214 is arranged on the rotating rod two 213. The baffle one 209 and the baffle two 214 are adjusted in cooperation, the placing block 14 is arranged at the right side upper end of the furnace body 1, the handle 15 is arranged at the outer side of the placing block 14 to facilitate operation, the warning board 16 is arranged at the right side lower end of the furnace body 1, the warning board 16 is connected to the screw 17 in cooperation with the outer side thread, the warning board 16 is fixed by the screw 17 and plays a warning function.
[0039] In another embodiment of the present application, Figure 2 and Figure 3As shown, the low-resistance denitration gas flow distribution device outside the furnace body 1 rear side top fixedly connected with storage box 18, the top wall of storage box 18 is provided with cover plate 19, can store some goods, the rear side bottom of furnace body 1 is fixedly connected with mounting block 20, the outer side of mounting block 20 is fixedly connected with hook 21, can be used for hanging some using tools;
[0040] Specifically, the rear side top of the furnace body 1 is provided with the storage box 18 fixedly connected therewith, the top wall of the storage box 18 is provided with the cover plate 19, and various articles can be stored, and the rear side bottom of the furnace body 1 is provided with the mounting block 20 fixedly connected therewith, and the outer side of the mounting block 20 is provided with the hook 21 for hanging various using tools.
[0041] Working principle: rotating knob 4 drives threaded rod 5 to rotate, threaded rod 5 is connected with threaded block 6 on the outer side in a threaded manner, connecting cleaning rod 7 is arranged on threaded block 6, so that cleaning rod 7 can move, filter screen 8 is arranged in loading box 3, connecting box body 9 is arranged on filter screen 8, so that cleaning rod 7 moves to clean dust in loading box 3, dust falls into box body 9, and dust can be efficiently and effectively cleaned.
[0042] Start motor 202, the kinetic energy of motor 202 drives rotating shaft 203 to rotate, which drives gear one 204 fixedly connected therewith to rotate, gear one 204 meshes with gear two 206, which drives rotating rod one 205 to rotate, since rotating rod one 205 rotates, baffle one 209 rotates with rotating disc one 207, rotating rod one 208 is arranged on rotating disc one 207, which drives connecting rod 212 to move, which drives rotating disc two 211 to rotate, rotating rod two 213 is arranged on the bottom of rotating disc two 211, and baffle two 214 is arranged on rotating rod two 213, baffle one 209 cooperates with baffle two 214, and the effect of airflow shunting is realized.
[0043] The above only describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A low resistance flue gas denitration flow distribution device outside the furnace, comprising a furnace body (1), characterized in that: The left side of the furnace body (1) is provided with a loading box (3), the top of the loading box (3) is provided with a knob (4), the bottom of the knob (4) is fixedly connected with a threaded rod (5), the outer side of the threaded rod (5) is threadedly connected with a threaded block (6), the left side of the threaded block (6) is fixedly connected with a cleaning rod (7), the inner left side of the loading box (3) is provided with a filter screen (8), the bottom of the filter screen (8) is fixedly connected with a box body (9), the left side of the loading box (3) is provided with a shunt mechanism (2), and the shunt mechanism (2) plays a shunt role.
2. The low resistance denitration gas flow distribution device outside the furnace according to claim 1, characterized in that: The shunt mechanism (2) comprises a protection box (201), the protection box (201) is arranged on the left side of the loading box (3), the top left side of the protection box (201) is provided with a motor (202), the bottom of the motor (202) is fixedly connected with a rotating shaft (203), the outer side of the rotating shaft (203) is fixedly connected with a gear one (204), the top of the protection box (201) is rotatably connected with a rotating rod one (205), the bottom of the rotating rod one (205) is fixedly connected with a baffle one (209), the top of the rotating rod one (205) is fixedly connected with a gear two (206), the gear one (204) is meshedly connected with the gear two (206), the top end of the rotating rod one (205) is fixedly connected with a rotating disc one (207), the top of the rotating disc one (207) is fixedly connected with a rotating rod one (208), the top of the rotating rod one (208) is rotatably connected with a connecting rod (212), the bottom of the connecting rod (212) is rotatably connected with a rotating rod two (210), the bottom of the rotating rod two (210) is fixedly connected with a rotating disc two (211), the bottom of the rotating disc two (211) is fixedly connected with a rotating rod two (213), and the outer side of the rotating rod two (213) is fixedly connected with a baffle two (214).
3. The low resistance flue gas denitration flow distribution device according to claim 1, characterized in that: The bottom of the furnace body (1) is fixedly connected with a plurality of supporting legs (10) at equal intervals, and the bottom of the supporting leg (10) is fixedly connected with a foot pad (11).
4. The low resistance, off-oven denitration gas flow distribution device of claim 1, wherein: The outer wall of the furnace body (1) is fixedly connected with a connecting plate (12) on the front side, and the outer side of the connecting plate (12) is fixedly connected with a label (13).
5. The low resistance off-oven denitration gas flow distribution device according to claim 1, characterized in that: The right upper end of the furnace body (1) is fixedly connected with a placing block (14), and the outer side of the placing block (14) is fixedly connected with a handle (15).
6. The low resistance, off-oven denitration gas flow distribution device of claim 1, wherein: The right lower end of the furnace body (1) is provided with a warning sign (16), and the outer side of the warning sign (16) is threadedly connected with a screw (17).
7. The low resistance, off-oven denitration gas flow distribution device of claim 1, wherein: The top of the rear side of the furnace body (1) is fixedly connected with a storage box (18), and the top wall of the storage box (18) is provided with a cover plate (19).
8. The low resistance, off-oven denitration gas flow distribution device of claim 1, wherein: The bottom of the rear side of the furnace body (1) is fixedly connected with a mounting block (20), and the outer side of the mounting block (20) is fixedly connected with a hook (21).
Citation Information
Patent Citations
Dedusting, desulfurization and denitrification device for thermal power generation boiler
CN214287392U