Ventilation pipeline capable of effectively preventing particles from entering interior to deposit and accumulate
By introducing a barrier mechanism into the ventilation duct, using mesh and pore design to block and settle particulate impurities, the problem of particulate impurity sedimentation in the ventilation duct is solved, and the ventilation effect is improved.
Patent Information
- Application Number
- CN202520082889.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-13
AI Technical Summary
The design of the smoke outlet of the ventilation duct cannot effectively prevent external particulate impurities from entering and accumulating inside, thus affecting the ventilation effect.
The system employs a blocking mechanism, including a second ring pipe, a baffle plate, a connecting pipe, and a collar, combined with a flow collector, a flow divider, and a baffle plate. Through the design of the mesh and air holes, it blocks and settles particulate impurities, preventing them from entering the ventilation duct.
It effectively prevents external particulate impurities from entering and settling inside the ventilation duct, maintaining ventilation efficiency and reducing the accumulation of particles inside the pipe.
Smart Images
Figure CN223709825U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of ventilation duct, specifically relates to a ventilation duct that can effectively prevent particles from entering the inside and depositing and piling up. BACKGROUND
[0002] Ventilation duct is the short name of ventilation duct, and it is a metal or nonmetal pipeline used in the ventilation and air conditioning engineering of industrial and civil buildings, so as to make air circulate.
[0003] When the ventilation duct is used for smoke exhaust and ventilation, the smoke generated by the equipment or the smoke absorbed by the equipment enters the ventilation duct through the smoke inlet, and is discharged through the smoke outlet, and the smoke outlet is connected with the outside, so that the particles and dust impurities in the outside can enter the inside of the ventilation duct through the smoke outlet and deposit and pile up, thereby affecting the ventilation effect. UTILITY MODEL CONTENTS
[0004] The utility model discloses a ventilation duct that can effectively prevent particles from entering the inside and depositing and piling up, so as to solve the problem that the smoke outlet of the ventilation duct is not designed to prevent the particles and dust impurities in the outside from entering the inside of the ventilation duct and depositing and piling up.
[0005] To achieve the above object, the utility model provides the following technical scheme: a ventilation duct that can effectively prevent particles from entering the inside and depositing and piling up, comprising
[0006] A ventilation duct body;
[0007] A blocking mechanism for preventing particles from entering, comprising a second ring pipe, a blocking plate installed inside the second ring pipe, a connecting pipe and a first ring pipe, and a sleeve ring sleeved outside one end of the ventilation duct body, wherein the inside of the first ring pipe is provided with a flow collector, the inside of the flow collector is provided with a first screen, and the surface of the blocking plate is provided with air holes.
[0008] A flow dividing piece installed inside the first ring pipe, comprising a stable ring, a flow dividing plate and a partition plate installed inside the stable ring, wherein the surface of the flow dividing plate is provided with flow dividing holes, and the two ends of the connecting pipe are connected with the second ring pipe and the partition plate respectively.
[0009] Preferably, the end of the ventilation duct body is provided with a tapered connecting part, the connecting part is a tapered structure with one wide end and one narrow end, the second ring pipe is communicated with the narrow end of the connecting part on the ventilation duct body, and the sleeve ring is distributed outside the narrow end of the connecting part.
[0010] Preferably, the outer diameter of the second ring tube is the same as the inner diameter of the sleeve ring, the second ring tube, the blocking plate and the center of the sleeve ring are on the same axis, and the outer surface of the blocking plate is consistent with the inner surface of the second ring tube.
[0011] Preferably, the air hole on the blocking plate is a tapered shape with one wide end and one narrow end.
[0012] Preferably, the surface of the blocking plate is provided with a second gauze, and the center of the second gauze is on the same axis as the center of the blocking plate.
[0013] Preferably, the connecting pipe is in a wave shape, the hollow structure of the collector is in a cone structure, and the outer diameter of the width of the collector is the same as the inner diameter of the first ring tube.
[0014] Preferably, the center of the collector, the stabilizing ring, the flow distribution plate and the partition plate are on the same axis, one end of the connecting pipe penetrates the partition plate, the stabilizing ring and the partition plate form a sedimentation cavity a, and the two ends of the connecting pipe are in communication with the second ring tube and the sedimentation cavity a respectively.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] In the utility model, the smoke outlet of the stable ventilation pipeline has a design of preventing external particle impurities from entering the ventilation duct and depositing and accumulating, the collector, the flow distribution plate and the partition plate block part of the air, part of the particle dust impurities deposits between the flow distribution plate and the partition plate, part of the particle impurities deposits between the blocking plate and the second ring tube, the first gauze and the second gauze block the particle impurities contained in the gas, and the particle dust impurities in the external air can be prevented from entering the main body of the ventilation pipeline and depositing and accumulating. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a structural schematic view of the utility model;
[0018] Fig. 2 It is a sectional structure schematic view of the first ring tube of the utility model;
[0019] Fig. 3 It is a side structure schematic view of the flow distribution plate of the utility model;
[0020] Fig. 4 It is a sectional structure schematic view of the second ring tube of the utility model;
[0021] In the drawing: 1, ventilation pipeline main body; 2, second ring tube; 3, connecting pipe; 4, first ring tube; 5, collector; 7, blocking plate; 11, sleeve ring; 51, first gauze; 61, stabilizing ring; 62, flow distribution plate; 63, partition plate; 71, air hole; 72, second gauze; 621, flow distribution hole. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.
[0023] Embodiment
[0024] Please refer to Figs. 1 to 4 The present utility model provides a technical scheme: a ventilation pipeline capable of effectively preventing particles from entering the inside to deposit and accumulate, comprising a ventilation pipeline main body 1; a blocking mechanism for preventing particles from entering, comprising a second ring pipe 2, a blocking plate 7 installed inside the second ring pipe 2, a connecting pipe 3 and a first ring pipe 4, a sleeve ring 11 sleeved outside one end of the ventilation pipeline main body 1, a flow collector 5 arranged inside the first ring pipe 4, a first gauze 51 arranged inside the flow collector 5, and air holes 71 arranged on the surface of the blocking plate 7; the flue gas discharged from the ventilation pipeline main body 1 is discharged from the second ring pipe 2 to the connecting pipe 3 and then from the first ring pipe 4 in sequence, the second ring pipe 2 is installed at one end of the flue gas outlet of the ventilation pipeline main body 1, the connecting pipe 3 is a pipeline with a wave shape, the gas flow channel inside the connecting pipe 3 is long, and the particles contained in the external air deposit in the connecting pipe 3 with the long flow channel when the external air passes through the connecting pipe 3 to enter the ventilation pipeline main body 1, so that the particles are prevented from entering the inside of the ventilation pipeline main body 1 to deposit and accumulate, the second ring pipe 2 and the sleeve ring 11 are combined by a conventional method, the second ring pipe 2 and the sleeve ring 11 are a split structure, and the second ring pipe 2 is detachable; a flow dividing piece installed inside the first ring pipe 4, comprising a stable ring 61, a flow dividing plate 62 and a partition plate 63 installed inside the stable ring 61, the surface of the flow dividing plate 62 is provided with flow dividing holes 621, and the two ends of the connecting pipe 3 are connected with the second ring pipe 2 and the partition plate 63 respectively; the flow dividing plate 62, the partition plate 63 and the stable ring 61 are combined by a conventional method, one end of the flow collector 5 has a small diameter, the first gauze 51 inside the flow collector 5 plays a blocking role, most of the particles in the external environment are prevented from passing through the flow collector 5 inside the first ring pipe 4, the flow dividing plate 62 also blocks the particles and dust impurities, there is a gap between the flow dividing plate 62 and the partition plate 63, the particles and dust impurities entering the first ring pipe 4 deposit and accumulate in the gap, so that the particles and dust impurities are prevented from entering the inside of the ventilation pipeline main body 1, the two ends of the connecting pipe 3 are connected with the second ring pipe 2 and the partition plate 63 respectively, which is beneficial to the gas flow, the first gauze 51 arranged inside the flow collector 5 blocks the large particles contained in the gas, the blocking plate 7 arranged inside the second ring pipe 2 blocks the airflow, the airflow is divided and passes through the air holes 71, and the blocking plate 7 achieves the effect of dividing the gas.
[0025] The end of the ventilation pipeline body 1 is provided with a tapered connecting portion, the connecting portion is a tapered structure with one wide end and one narrow end, the second ring pipe 2 is communicated with the narrow end of the connecting portion on the ventilation pipeline body 1, the sleeve ring 11 is distributed outside the narrow end of the connecting portion, and the second ring pipe 2 and the sleeve ring 11 are combined through a conventional method, and the second ring pipe 2 can be disassembled.
[0026] In the embodiment, the outer diameter of the second ring pipe 2 is same as the inner diameter of the sleeve ring 11, the second ring pipe 2, the blocking plate 7 and the center of the sleeve ring 11 are on the same axis, the outer surface of the blocking plate 7 is consistent with the inner surface of the second ring pipe 2, the air hole 71 on the blocking plate 7 is tapered with one wide end and one narrow end, the surface of the blocking plate 7 is provided with a second gauze 72, the center of the second gauze 72 is on the same axis as the center of the blocking plate 7, the gas passes through the air hole 71, the blocking plate 7 realizes the effect of shunting the gas, and part of the particle impurities contained in the gas are deposited in the cavity b formed between the blocking plate 7 and the second ring pipe 2, and the second gauze 72 also blocks the particle impurities contained in the gas.
[0027] In the embodiment, the connecting pipe 3 is in a wave shape, the hollow structure of the flow collector 5 is in a tapered structure, the outer diameter of the width of the flow collector 5 is same as the inner diameter of the first ring pipe 4, the connecting pipe 3 is a wave-shaped pipeline, the gas has a long flow channel in the connecting pipe 3, and when external air passes through the connecting pipe 3 to enter the ventilation pipeline body 1, the particle impurities contained in the external air are deposited in the long flow channel of the connecting pipe 3, so that the particles are prevented from entering the inside of the ventilation pipeline body 1 to be deposited and accumulated.
[0028] In the embodiment, the centers of the flow collector 5, the stable ring 61, the shunt plate 62 and the partition plate 63 are on the same axis, one end of the connecting pipe 3 penetrates through the partition plate 63, the stable ring 61 and the partition plate 63 form the deposition cavity a, and the two ends of the connecting pipe 3 are communicated with the second ring pipe 2 and the deposition cavity a respectively, so that the flue gas discharged from the ventilation pipeline body 1 is sequentially discharged from the second ring pipe 2 to the connecting pipe 3 and then from the first ring pipe 4.
[0029] The working principle and use process of the utility model are as follows:
[0030] When external air containing particle dust impurities enters the ventilation pipeline body 1, the air needs to pass through the first ring pipe 4, the connecting pipe 3 and the second ring pipe 2 in sequence and then enter;
[0031] The flow collector 5 provided in the first ring pipe 4 blocks part of the air, the first gauze 51 blocks part of the particle impurities in the air, the shunt plate 62 and the partition plate 63 block part of the air, the air enters the inside of the deposition cavity a, and part of the particle dust impurities are deposited in the deposition cavity a;
[0032] The connecting pipe 3 is a wave-shaped pipe, and the gas flows in a long flow channel inside the connecting pipe 3, and the external air enters the ventilation pipe body 1 through the connecting pipe 3, and the particle impurities contained in the external air are deposited in the connecting pipe 3 with the long flow channel, so that the particles are prevented from entering the ventilation pipe body 1 and being deposited and accumulated;
[0033] The blocking plate 7 realizes the effect of shunting the gas, and part of the particle impurities are deposited in the cavity b formed between the blocking plate 7 and the second ring pipe 2, and the second gauze 72 also blocks the particle impurities contained in the gas;
[0034] In summary, the ventilation pipe is provided with a design of a smoke outlet for preventing the external particle impurities from entering the ventilation pipe and being deposited and accumulated, the flow collector 5, the shunt plate 62 and the partition plate 63 in the first ring pipe 4 block part of the air, the air enters the deposition cavity a, part of the particle dust impurities are deposited in the deposition cavity a, the particle impurities contained in the external air are deposited in the connecting pipe 3 with the long flow channel, part of the particle impurities are deposited in the cavity b formed between the blocking plate 7 and the second ring pipe 2, and the second gauze 72 also blocks the particle impurities contained in the gas, so that the particle dust impurities in the external air are prevented from entering the ventilation pipe body 1 and being deposited and accumulated.
[0035] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A vent duct effective to prevent the ingress of particulate into internal sediment build-up, characterised in that: The ventilation pipe body (1) is provided with a ventilation pipe body (1); The blocking mechanism for preventing particles from entering includes a second ring pipe (2), a blocking plate (7) installed inside the second ring pipe (2), a connecting pipe (3) and a first ring pipe (4), and a sleeve ring (11) sleeved outside one end of the ventilation pipe body (1), wherein the inside of the first ring pipe (4) is provided with a flow collector (5), the inside of the flow collector (5) is provided with a first gauze (51), and the surface of the blocking plate (7) is provided with air holes (71). The flow distribution piece installed inside the first ring pipe (4) includes a stabilizing ring (61), a flow distribution plate (62) and a partition plate (63) installed inside the stabilizing ring (61), and the surface of the flow distribution plate (62) is provided with flow distribution holes (621), and the two ends of the connecting pipe (3) are connected with the second ring pipe (2) and the partition plate (63) respectively.
2. A vent duct effective to prevent the ingress of particulates into the internal sediment accumulation of claim 1, wherein: The end of the ventilation pipe body (1) is provided with a tapered connecting portion, which is a tapered structure with one wide end and one narrow end, the second ring pipe (2) is in communication with the narrow end of the connecting portion of the ventilation pipe body (1), and the sleeve ring (11) is distributed outside the narrow end of the connecting portion.
3. The vent duct according to claim 1, wherein: The outer diameter of the second ring pipe (2) is the same as the inner diameter of the sleeve ring (11), the centers of the second ring pipe (2), the blocking plate (7) and the sleeve ring (11) are on the same axis, and the outer surface of the blocking plate (7) is consistent with the inner surface of the second ring pipe (2).
4. The vent duct of claim 1, wherein: The air holes (71) on the blocking plate (7) are tapered with one wide end and one narrow end.
5. The vent duct according to claim 1, wherein: The surface of the blocking plate (7) is provided with a second gauze (72), and the center of the second gauze (72) is on the same axis as the center of the blocking plate (7).
6. The vent duct of claim 1, wherein: The connecting pipe (3) is in a wave shape, the flow collector (5) in a hollow structure is in a tapered structure, and the outer diameter of the width of the flow collector (5) is the same as the inner diameter of the first ring pipe (4).
7. The vent duct of claim 1, wherein: The centers of the flow collector (5), the stabilizing ring (61), the flow distribution plate (62) and the partition plate (63) are on the same axis, one end of the connecting pipe (3) penetrates through the partition plate (63), the stabilizing ring (61) and the partition plate (63) form a precipitation cavity a, and the two ends of the connecting pipe (3) are in communication with the second ring pipe (2) and the precipitation cavity a respectively.