An efficient inertial sand remover

Abstract

The present invention relates to an efficient inertial dust remover. At least one flow guiding louver is provided with a first non-straight side wall and / or at least one flow guiding plate is provided with a first non-straight side wall and / or at least one flow guiding louver is provided with a non-uniform flow guiding hole assembly, and the remaining flow guiding louvers and / or the remaining flow guiding plates have a first straight side wall in contact with the air to be purified in the air inlet passage; the first non-straight side wall is a stepped side wall or an inclined side wall; a secondary dust collection box is provided between adjacent two guiding regions of the stepped side wall; the inclined side wall is arranged above the air to be purified or on the flow guiding plate; the non-uniform flow guiding hole assembly includes multiple groups of flow guiding holes located at different positions in the X-axis direction. The present invention can prevent impurities in the air to be purified from escaping from the flow guiding louvers and can reduce the noise generated by the collision of impurities.

Description

Technical Field

[0001] The present invention relates to the technical field of dust removal, and in particular to an efficient inertial sand remover. Background Art

[0002] An inertial sand remover is a dust removal device that makes the air to be purified collide with a baffle or rapidly changes the air flow direction, and separates and captures dust and sand by using inertial force. The inertial sand remover is also called an inert sand remover. It mainly makes the air to be purified turn rapidly or turn rapidly again with the help of a baffle. Among them, due to inertia, the movement trajectory of dust and sand particles is difficult to change quickly and cannot change the trajectory as fast as the air flow, so that the two are separated.

[0003] The Chinese utility model patent with the publication number CN204709957U discloses an inertial sand remover, as Figure 1 shown, which includes a ventilation duct 11. The air inlet of the ventilation duct 11 is arranged at the right end, and the air outlet is arranged at the left end. A collection box 12 with an opening facing the air inlet of the ventilation duct is arranged in the ventilation duct 11. Between the collection box 12 and the pipe wall of the ventilation duct 11, there is a flow guiding louver 13 that not only plays a role in filtering wind and sand but also guides dust and sand to the collection box 12. After the dirty air with a large dust content enters from the air inlet of the ventilation duct, under the action of the flow guiding blades 131 of the flow guiding louver 13, the air undergoes two bends. The clean air flows out from the other side of the flow guiding louver. The particles in the air move in a straight line under the action of inertia. Even smaller particles are not easily discharged with the air after two bends at a certain speed under the action of inertia, and finally fall into the collection box 12 and are discharged through the fan 14. The fine particles floating in a negative pressure state in the collection box 12 under the action of the fan will not flow back to the subsequent air duct but are discharged with the fan 14.

[0004] The Chinese utility model patent with the publication number CN208574346U discloses a gas-solid separator. Refer to Figure 2 shown. The gas-solid separator is composed of two side plates 21 arranged in a V shape. A number of inclined blades 22 are arranged at equal intervals on each side plate 21, and a flow guiding hole 23 is opened at the position where the projection of the inclined blade 22 on the side plate 21 is located, forming a zigzag channel through the inclined blade 22 and the flow guiding hole 23. When the gas enters between the two side plates 21 from the left side of the sand remover, the zigzag channel formed by the inclined blade 22 and the flow guiding hole 23 can filter the dust and sand in the air to be purified and collect the dust and sand into the collection box 24.

[0005] Since the inertial dust remover has multiple channels capable of discharging clean air, along the direction of gas flow, the flow rate of the gas will gradually decrease, the inertia of the dust particles in the gas will gradually decrease, and the dust particles will fall prematurely under the action of gravity. Excessive dust particles will accumulate near the opening of the collection box, reducing the dust collection efficiency, affecting the air flow in the ventilation duct, and changing the movement trajectory of the dust particles. In the existing inertial dust remover, two rows of guide vanes are arranged in a V shape, which can reduce the ventilation area near the collection box, so that the flow rate of the air to be purified is constant when flowing in the ventilation channel, ensuring that the dust particles have enough inertia to enter the collection box.

[0006] Since the separation of the gas and the dust particles is completed under the action of a sharp turn, such as Figure 1 and Figure 2 , two rows of guide vanes are arranged in a V shape inside the ventilation duct. In this way, although the flow rate of the air to be purified in the second half of the air inlet channel can be increased, however, some dust particles will impact on the surface of the guide vanes, and the guide vanes will change the movement trajectory of the dust particles, resulting in the dust particles being unable to move into the interior of the dust collection box. The kinetic energy of the dust particles due to the flow rate will be converted into internal energy when colliding with the guide vanes, reducing the movement speed of the dust particles, thus causing the dust particles to be unable to enter the dust collection box smoothly; in addition, since the dust particles impact on the guide vanes and change the movement direction of the dust particles, some dust particles will escape outward through the tortuous channel, resulting in poor filtering effect and low filtering efficiency of the dust remover. At the same time, due to the V-shaped arrangement, the sand particles impacting on the guide vanes will generate noise, and if no measures are taken subsequently, the noise will be transmitted to the air supply side. Summary of the Invention

[0007] Therefore, the technical problem to be solved by the present invention is how to prevent impurities from escaping outward during gas-solid or gas-liquid separation and reduce the noise generated by the collision of impurities.

[0008] To solve the above technical problems, the present invention provides an efficient inertial dust remover, which includes a guide louver, a primary dust collection box, and a guide housing that cooperate with each other to define an air inlet channel and an air outlet channel;

[0009] The air inlet channel extends along the X-axis direction, and the air inlet channel is used to receive the air to be purified flowing in the positive direction of the X-axis;

[0010] The air outlet channel is arranged on the side of the air inlet channel, and the air outlet channel is used to receive the clean air sent by the air inlet channel and then discharge it;

[0011] The guide louver is arranged between the side of the air inlet channel and the air outlet channel;

[0012] The primary dust collection box is arranged at the positive X-axis end of the air inlet channel, and the primary dust collection box is used to collect impurities in the air inlet channel;

[0013] The diversion housing includes a diversion plate located on the side or inside of the air inlet channel;

[0014] At least one of the diversion louvers is provided with a first non-straight side wall facing the air inlet channel and / or at least one of the diversion louvers is provided with a non-uniform diversion hole assembly connecting the air inlet channel and the air outlet channel and / or at least one of the diversion plates is provided with a first non-straight side wall facing the air inlet channel, and the remaining diversion louvers and / or the remaining diversion plates have a first straight side wall facing the air inlet channel,

[0015] The first non-straight side wall is a first stepped side wall or an inclined side wall. The first stepped side wall includes a plurality of first straight diversion areas located at different positions in the X-axis direction. The projections of each first straight diversion area along the X-axis direction overlap. Among adjacent two first straight diversion areas, the one located in the positive X-axis direction is offset by a set distance towards the side where the air to be purified is located relative to the one located in the negative X-axis direction. A secondary dust collection box with an opening facing the negative X-axis direction is provided at the turning point between adjacent two first straight diversion areas. The secondary dust collection box is flush with the first straight diversion area on its positive X-axis side and is used to collect impurities sent along the positive X-axis direction. The positive X-axis end of the inclined side wall is inclined by a set angle towards the side where the air to be purified is located relative to the negative X-axis end. The inclined side wall is arranged above the air inlet channel or the inclined side wall is arranged on the diversion plate;

[0016] The non-uniform diversion hole assembly includes multiple groups of diversion channels located at different positions in the X-axis direction. Among adjacent two groups of diversion channels, the ventilation area of the one located in the positive X-axis direction is smaller than that of the one located in the negative X-axis direction;

[0017] The projections of the first straight side walls along the X-axis direction overlap;

[0018] The sand and dust collected by the primary dust collection box and the secondary dust collection box are all discharged by a sand discharge fan.

[0019] In an embodiment of the present invention, one of the diversion plates is a central diversion plate arranged in the central area of the air inlet channel, and the central diversion plate is provided with two first stepped side walls or two inclined side walls respectively facing two of the diversion louvers.

[0020] In an embodiment of the present invention, one of the diversion plates is a top diversion plate arranged above the air inlet channel, and the top diversion plate is provided with one inclined side wall.

[0021] In one embodiment of the present invention, all of the deflector louvers are provided with the first stepped side wall.

[0022] In one embodiment of the present invention, the deflector louver is further provided with a second straight side wall facing the air outlet passage, and the projections of the second straight side walls in the X-axis direction overlap.

[0023] In one embodiment of the present invention, the deflector louver is further provided with a second stepped side wall facing the air outlet passage, the second stepped side wall includes a plurality of second straight deflector regions located at different positions in the X-axis direction, the projections of each of the second straight deflector regions in the X-axis direction overlap, and in two adjacent second straight deflector regions, the one located in the negative X-axis direction is offset by a set distance toward the side where the clean air is located relative to the one located in the positive X-axis direction.

[0024] In one embodiment of the present invention, all of the deflector louvers are provided with the non-uniform deflector hole assembly, and the X-axis dimensions of a plurality of deflector holes arranged in sequence along the positive X-axis direction gradually decrease.

[0025] In one embodiment of the present invention, the deflector housing is a ventilation duct, the deflector louvers are connected to two opposite pipe walls of the ventilation duct and divide the inner cavity of the ventilation duct into the air inlet passage and at least one air outlet passage, and the air outlet passages are respectively arranged on the sides of the air inlet passage in the horizontal direction.

[0026] In one embodiment of the present invention, the deflector louver includes a plurality of V-shaped blades, the plurality of V-shaped blades are respectively located at different positions in the X-axis direction, the V-shaped blades are connected to the deflector housing, a deflector passage is formed between two adjacent V-shaped blades, and the apex of the acute angle of the V-shaped blade faces the negative X-axis direction.

[0027] In one embodiment of the present invention, the deflector louver includes a side plate and a plurality of inclined blades, the side plate is connected to the deflector housing, the plurality of inclined blades are connected to the side plate and are respectively located at different positions in the X-axis direction, deflector holes are provided on the side plate between two adjacent inclined blades, an acute angle is formed between the inclined blade and the side plate, and the apex of the acute angle faces the negative X-axis direction.

[0028] The above technical solutions of the present invention have the following advantages compared with the prior art:

[0029] 1) In the high-efficiency inertial sand remover of the present invention, by providing the above-mentioned stepped side wall and the secondary dust collection box, the stepped side wall makes the ventilation area of the air to be purified gradually decrease step by step along the positive X-axis direction. In this way, the change in wind speed is small, and the wind speed can keep the sand particles from falling down within a certain range and continue to move forward. At the same time, the stepped side wall basically does not collide with the dust and sand, resulting in the deformation of the movement trajectory of the dust and sand. At the same time, a secondary dust collection box is provided at the position of the diameter change, so that the dust and sand colliding at the position of the diameter change are collected, and the movement trajectory of the dust and sand is basically not deformed due to the collision of the dust and sand.

[0030] 2) In the high-efficiency inertial sand remover of the present invention, by setting the top deflector as an inclined side wall. In addition, when the dust and sand particles enter the air inlet channel, they are simultaneously affected by gravity and inertia. The movement trajectory of the dust and sand particles in the air inlet channel is similar to a parabola with the opening facing downwards. The movement trajectory of the dust and sand particles fits the slope of the top deflector. Therefore, by using the top deflector to reduce the area of the air inlet channel, there will be no situation where the dust and sand particles collide with the top deflector, and it can avoid the top deflector from changing the movement trajectory of the dust and sand particles.

[0031] 3) In the high-efficiency inertial sand remover of the present invention, since the inertial trajectory of the sand particles is not changed, the proportion of the sand particles reaching the collection box increases. The efficiency is increased from the original 90% to more than 95%, improving the sand removal efficiency and correspondingly increasing the adaptability range of the product.

[0032] 4) In the high-efficiency inertial sand remover of the present invention, due to the structural design of the guide louvers (such as the parallel arrangement of the guide V-shaped blades), it does not hinder the inertial movement of the sand particles and does not change the inertial movement trajectory of the sand particles. The sand particles do not collide with the guide louvers, reducing the noise generated by the collision of the sand particles with the guide louvers and achieving low-noise sand removal. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to make the content of the present invention easier to be clearly understood, the present invention will be further described in detail below according to the specific embodiments of the present invention in conjunction with the drawings.

[0034] Figure 1 It is a top view of an inertial sand remover in the prior art;

[0035] Figure 2 It is a top view of a gas-solid separator in the prior art;

[0036] Figure 3 It is a top view of the inertial sand remover provided in Embodiment 1 of the present invention;

[0037] Figure 4 It is a top view of the inertial sand remover provided in Embodiment 2 of the present invention;

[0038] Figure 5 It is a top view of the inertial sand remover provided in Embodiment 3 of the present invention

[0039] Figure 6 It is the top view of the inertial dust remover provided in the fourth embodiment of the present invention;

[0040] Figure 7 It is the front view of the inertial dust remover provided in the fifth embodiment of the present invention;

[0041] Figure 8 It is the three-dimensional view of the V-shaped blade and the primary dust collection box provided in the fifth embodiment of the present invention;

[0042] Figure 9 It is the top view of the inertial dust remover provided in the sixth embodiment of the present invention;

[0043] Figure 10 It is the top view of the inertial dust remover provided in the seventh embodiment of the present invention.

[0044] Explanation of the reference numerals in the drawings of the specification: 11. Ventilation duct; 12. Collection box; 13. Guide vane; 131. Guide blade; 14. Fan;

[0045] 21. Side plate; 22. Inclined blade; 23. Flow guide hole; 24. Collection box;

[0046] 31. Air inlet channel; 32. Air outlet channel; 33. Guide vane; 331. Flow guide channel; 332. V-shaped blade; 333. First straight flow guide area; 334. Second straight flow guide area; 335. Side plate; 336. Inclined blade; 337. Flow guide channel; 34. Primary dust collection box; 35. Central flow guide plate; 351. First straight flow guide area; 352. Inclined side wall; 36. Secondary dust collection box; 37. Sand discharge fan; 38. Top flow guide plate; 381. Inclined side wall. Detailed implementation manners

[0047] The present invention will be further described below in conjunction with the drawings and specific embodiments, so that those skilled in the art can better understand the present invention and be able to implement it, but the illustrated embodiments are not intended to limit the present invention.

[0048] Embodiment 1: Refer to Figure 3 As shown, a high-efficiency inertial dust remover includes a guide vane 33, a primary dust collection box 34 and a guide housing that cooperate with each other to define an air inlet channel 31 and an air outlet channel 32;

[0049] The above-mentioned air inlet channel 31 extends along the X-axis direction, and the above-mentioned air inlet channel 31 is used to receive the air to be purified flowing in along the positive direction of the X-axis;

[0050] The above-mentioned air outlet channel 32 is arranged on the side of the above-mentioned air inlet channel 31, and the above-mentioned air outlet channel 32 is used to receive the clean air sent by the above-mentioned air inlet channel 31 and then discharge it;

[0051] The above-mentioned diversion louver 33 is provided between the side of the above-mentioned air inlet passage 31 and the above-mentioned air outlet passage 32;

[0052] The above-mentioned primary dust collection box 34 is provided at the positive X-axis end of the above-mentioned air inlet passage 31, and the above-mentioned primary dust collection box 34 is used to collect impurities in the above-mentioned air inlet passage 31;

[0053] The above-mentioned diversion housing includes a diversion plate located on the side or inside of the above-mentioned air inlet passage 31.

[0054] In this embodiment, one of the above-mentioned diversion plates is a central diversion plate 35 provided in the central area of the above-mentioned air inlet passage 31. The above-mentioned central diversion plate 35 is provided with two first stepped side walls facing the two above-mentioned diversion louvers 33 respectively. The above-mentioned first stepped side walls include a plurality of first straight diversion areas 351 located at different positions in the X-axis direction. The projections of each of the above-mentioned first straight diversion areas 351 in the X-axis direction overlap. Among the adjacent two above-mentioned first straight diversion areas 351, the one located in the positive X-axis direction is offset by a set distance toward the side where the air to be purified is located relative to the one located in the negative X-axis direction. At the turning point of the adjacent two above-mentioned first straight diversion areas 351, a secondary dust collection box 36 with an opening facing the negative X-axis direction is provided. The above-mentioned secondary dust collection box 36 is flush with the first straight diversion area on its positive X-axis side and is used to collect impurities sent along the positive X-axis direction.

[0055] The above-mentioned diversion louver 33 and the remaining diversion plates (not shown in the figure) are both provided with first straight side walls facing the above-mentioned air inlet passage 31, and the projections of the above-mentioned first straight side walls in the X-axis direction overlap.

[0056] The above-mentioned diversion louver 33 is provided with a uniform diversion hole assembly. The above-mentioned uniform diversion hole assembly includes a plurality of diversion channels 331 located at different positions in the X-axis direction, and the ventilation areas of different diversion channels 331 are the same.

[0057] In the above text, the overlap of the projections of the first straight diversion areas in the X-axis direction means that any position of the first straight diversion areas projects onto the same line in the X-axis direction, and the overlap of the projections of the first straight side walls in the X-axis direction means that any position of the first straight side walls projects onto the same line in the X-axis direction. By setting the above-mentioned first stepped side walls and the secondary dust collection box, the stepped side walls make the ventilation area of the air to be purified gradually decrease along the positive X-axis direction, without affecting the flow rate of the air to be purified. At the same time, the stepped side walls basically do not collide with the sand and dust, resulting in the deformation of the movement trajectory of the sand and dust. At the same time, a secondary dust collection box is set at the variable diameter position, so that the sand and dust colliding with the variable diameter position can be collected, and the movement trajectory of the sand and dust is basically not deformed due to collision.

[0058] In this embodiment, the above-mentioned diversion housing is a ventilation duct. The above-mentioned diversion louver 33 is connected to two opposite pipe walls of the above-mentioned ventilation duct and divides the inner cavity of the above-mentioned ventilation duct into the above-mentioned air inlet channel 31 and two above-mentioned air outlet channels 32. The two above-mentioned air outlet channels 32 are respectively arranged on both sides of the above-mentioned air inlet channel 31 along the Y-axis direction. By arranging the air outlet channels on the horizontal sides of the air inlet channel, the air to be purified is discharged from the horizontal sides on both sides, and the flow path of the air to be purified will not be affected by gravity. The inertial dust remover has a simple and compact structure design and can achieve good dust removal effects.

[0059] In this embodiment, the above-mentioned diversion louver 33 includes a plurality of V-shaped blades 332. The above-mentioned plurality of V-shaped blades 332 are respectively located at different positions in the X-axis direction. The above-mentioned V-shaped blades 332 are connected to the above-mentioned diversion housing. A diversion channel 331 is formed between two adjacent above-mentioned V-shaped blades 332. The acute angle vertex of the above-mentioned V-shaped blade 332 faces the negative X-axis direction.

[0060] In this embodiment, by changing the width of the central diversion plate in stages and arranging secondary dust collection boxes with different widths inside the air inlet channel, the cross-section of the air inlet channel is gradually reduced by a plurality of secondary dust collection boxes, so as to maintain the flow rate of the gas inside the air inlet channel, ensure that the dust particles have enough inertia to be accurately blown into the primary dust collection box, and at the same time reduce the sand grains moving along the straight path from colliding with the diversion blades. It should be noted that the number of secondary dust collection boxes is not limited to the three shown in the figure and can also be multiple. In addition, the primary dust collection boxes and secondary dust collection boxes at various places inside the air inlet channel are all interconnected, and the collected dust can be discharged by the dust discharge fan 37.

[0061] Embodiment 2: Refer to Figure 4 As shown, the rest is the same as in Embodiment 1. The difference is that all of the above-mentioned diversion louvers 33 are provided with the above-mentioned first stepped side walls facing the above-mentioned air inlet channel 31. The above-mentioned first stepped side walls include a plurality of first straight diversion areas 333 located at different positions in the X-axis direction. The projections of each of the above-mentioned first straight diversion areas 333 along the X-axis direction overlap. Among two adjacent above-mentioned first straight diversion areas 333, the one located in the positive X-axis direction is offset by a set distance toward the side where the air to be purified is located relative to the one located in the negative X-axis direction. A secondary dust collection box 36 with an opening facing the negative X-axis direction is provided at the turning point between two adjacent above-mentioned first straight diversion areas 333. The above-mentioned secondary dust collection box 36 is flush with the first straight diversion area on its positive X-axis side and is used to collect impurities sent along the positive X-axis direction.

[0062] In the above text, the projection overlap of the first straight flow guiding area in the X-axis direction means that any position of the first straight flow guiding area is projected on the same line in the X-axis direction. By providing the above-mentioned first stepped side wall and the secondary dust collection box, the stepped side wall causes the ventilation area of the air to be purified in the positive X-axis direction to gradually decrease, without affecting the flow rate of the air to be purified. At the same time, the stepped side wall basically does not collide with the dust, resulting in the deformation of the movement trajectory of the dust. At the same time, a secondary dust collection box is provided at the reduced diameter position to collect the dust that collides with the reduced diameter position, and basically does not collide with the dust, resulting in the deformation of the movement trajectory of the dust.

[0063] In this embodiment, all the flow guiding louvers 33 are provided with a second stepped side wall facing the above-mentioned air outlet channel 32. The second stepped side wall includes a plurality of second straight flow guiding areas 334 located at different positions in the X-axis direction. The projections of each of the second straight flow guiding areas 334 in the X-axis direction overlap. Among the adjacent two second straight flow guiding areas 334, the one located in the negative X-axis direction is offset by a set distance toward the side where the clean air is located relative to the one located in the positive X-axis direction. The length dimensions of different above-mentioned flow guiding channels are the same. In the above text, the projection overlap of the second straight flow guiding area in the X-axis direction means that any position of the second straight flow guiding area is projected on the same line in the X-axis direction.

[0064] In this embodiment, the V-shaped blades are arranged in parallel and are offset in stages, so that the distance between two rows of V-shaped blades gradually changes. The distance between two rows of V-shaped blades near the air inlet is h1, and the distance between two rows of V-shaped blades near the primary dust collection box is h2, where h2 < h1. Reducing the distance between two rows of V-shaped blades near the primary dust collection box can increase the flow rate of the gas at the opening of the primary dust collection box and ensure that the dust has sufficient inertia. In addition, a secondary dust collection box is added at the place where one row of V-shaped blades is offset. The edge of the secondary dust collection box is flush with the position of the subsequent V-shaped blades, avoiding the dust particles from colliding with the offset V-shaped blades. The collection box can collect the dust particles, and the middle collection box can also be connected to a sand discharge fan to discharge the dust particles. It should be noted that the number of times one row of V-shaped blades is offset can be multiple, and the distance between two rows of V-shaped blades can be h1 > h2 > h3... In addition, the primary dust collection boxes and the secondary dust collection boxes at various parts inside the air inlet channel are all interconnected, and the dust collected by each collection box can be discharged through the sand discharge fan.

[0065] Embodiment 3: Refer to Figure 5As shown, the rest is the same as in the second embodiment, except that the above-mentioned flow guiding shutter 33 includes side plates 335 and a plurality of inclined blades 336. The above-mentioned side plates 335 are connected to the above-mentioned flow guiding housing, and the above-mentioned plurality of inclined blades 336 are connected to the above-mentioned side plates 335 and are respectively located at different positions in the X-axis direction. A flow guiding channel 337 is provided on the side plate between two adjacent inclined blades 336. The inclined blade 336 forms an acute angle with the side plate 335, and the vertex of the acute angle faces the negative X-axis direction.

[0066] In this embodiment, two side plates are placed in parallel, and the two side plates are offset in segments, gradually reducing the distance between the two side plates. The air to be purified entering the dust remover from the negative X-axis direction end, although there is gas discharged from the flow guiding holes, however, the distance between the two side plates gradually shortens, and the flow rate of the air to be purified remains stable. The flow rate of the gas near the primary dust collection box can give sufficient inertia to the dust, and can blow the dust into the primary dust collection box. In addition, the inclined blades provided on the two side plates are parallel to each other. When the dust particles pass through the dust remover, the contact area between the dust particles and the inclined blades is small, and the movement direction of the dust particles will not be affected, ensuring that the dust particles completely enter the primary dust collection box. In addition, secondary dust collection boxes are additionally provided at the positions where the side plates are offset. The secondary dust collection boxes block the contact between the dust and the inclined blades, and can prevent the dust particles from colliding with the inclined blades. The number of times the side plates are offset in the figure can be implemented as multiple times, not limited to three times.

[0067] Embodiment Four: Refer to Figure 6 As shown, the rest is the same as in the second embodiment, except that the above-mentioned flow guiding shutter is provided with a second straight side wall facing the air outlet channel 32, and the projections of the second straight side wall in the X-axis direction overlap. In the above text, the projection of the second straight side wall in the X-axis direction overlapping means that the projection of any position of the second straight side wall in the X-axis direction is on the same line.

[0068] In this embodiment, the two rows of V-shaped blades are kept parallel, and the length of the blade part of the V-shaped blades is changed. The two rows of V-shaped blades are extended relatively. By the extended V-shaped blades, the area where the gas can flow in the air inlet channel is reduced, so as to increase the flow rate of the gas near the opening of the primary dust collection box, ensuring that the dust has sufficient flow rate to be blown into the primary dust collection box. In addition, secondary dust collection boxes are additionally provided at the positions where the lengths of the V-shaped blades change. The edge of the secondary dust collection box is flush with the edge of the extended V-shaped blade, using the collection box to block the collision of the dust particles with the V-shaped blades and collecting the dust particles.

[0069] Embodiment Five: Refer to Figure 7 and Figure 8As shown, the rest is the same as in the first embodiment, except that one of the above-mentioned flow guiding plates is a top flow guiding plate 38 provided above the above-mentioned air inlet passage. The top flow guiding plate 38 is provided with an inclined side wall 381. The positive X-axis end of the inclined side wall 381 is inclined at a set angle towards the side where the air to be purified is located relative to the negative X-axis end. After the air to be purified travels a certain distance in the positive X-axis direction, it descends along a parabola, and the inclined side wall is tangent to the parabola trajectory.

[0070] The top flow guiding plate is set as an inclined side wall. In addition, when the dust particles enter the air inlet passage, they are simultaneously affected by gravity and inertia. The movement trajectory of the dust particles in the air inlet passage is similar to a parabola with an opening facing downwards. The movement trajectory of the dust particles fits the slope of the top flow guiding plate. Therefore, even if the area of the air inlet passage is reduced by using the top flow guiding plate, there will be no situation where the dust particles collide with the top flow guiding plate, and it can avoid the top flow guiding plate from changing the movement trajectory of the dust particles.

[0071] In this embodiment, two rows of V-shaped blades are placed parallel to each other and at equal distances. The top of each V-shaped blade inside the air inlet passage is in contact with the top flow guiding plate 38. Since the top flow guiding plate 38 is inclined in the movement direction of the air to be purified, as the air to be purified gradually approaches the primary dust collection box, the top flow guiding plate 38 gradually reduces the area where the air to be purified can flow in the air inlet passage, ensuring that the air to be purified has sufficient flow velocity, so that the dust has sufficient inertia to ensure that the dust is blown into the primary dust collection box. In addition, when the dust particles enter the air inlet passage, they are simultaneously affected by gravity and inertia. The movement trajectory of the dust particles in the air inlet passage is similar to a parabola with an opening facing downwards. The movement trajectory of the dust particles fits the slope of the top flow guiding plate 38. Therefore, even if the area of the air inlet passage is reduced by using the top flow guiding plate 38, there will be no situation where the dust particles collide with the top flow guiding plate 38, and it can avoid the top flow guiding plate 38 from changing the movement trajectory of the dust particles. The above-mentioned central flow guiding plate can be set in this embodiment.

[0072] Embodiment Six: Refer to Figure 9 , the rest is the same as in the first embodiment, except that the above-mentioned central flow guiding plate 35 is provided with two inclined side walls 352 respectively facing the two flow guiding louvers 33. The positive X-axis end of the inclined side wall 352 is inclined at a set angle towards the side where the air to be purified is located relative to the negative X-axis end.

[0073] The above-mentioned inclined side walls 352 make the ventilation area of the above-mentioned air inlet passage 31 gradually decrease in the positive X-axis direction. At the same time, since the inclined side walls are far from the flow guiding louvers and the taper of the inclined side walls is small, even the impurities that change the movement trajectory of the dust will not cause the dust to escape from the flow guiding louvers.

[0074] Embodiment Seven: Refer to Figure 10As shown, the rest is the same as in the first embodiment, except that each of the above-mentioned flow guide louvers is provided with a non-uniform flow guide hole assembly. The non-uniform flow guide hole assembly includes a plurality of first flow guide channels 331 located at different positions in the X-axis direction, and the X-axis direction dimensions of the plurality of flow guide channels 331 arranged in sequence along the positive X-axis direction gradually decrease.

[0075] In this embodiment, two rows of V-shaped blades are arranged horizontally, and the width of the zigzag channel formed between adjacent two V-shaped blades gradually decreases along the moving direction of the air to be purified. When the air to be purified enters, since the inertial force of the sand particles is large at the beginning, the large spacing between the V-shaped blades at the beginning will not change the inertia of the sand particles, and the sand particles still move towards the primary dust collection box at a relatively high speed. As the speed of the sand particles decreases, the spacing between the V-shaped blades also slowly becomes smaller, and the difficulty of the air flow going out increases. Therefore, the possibility of the sand particles changing the inertial direction becomes smaller. In this way, it is ensured that the inertial direction of the sand particles does not change and they enter the primary dust collection box along a straight line direction. The above-mentioned central flow guide plate can be provided in this embodiment.

[0076] The above-mentioned non-uniform flow guide hole assembly can also be applied to the first to sixth embodiments above. According to the efficiency, it can be adjusted how many sections are needed, or it can be one section. The length of each section is the distance of the inertial flow of the sand particles.

[0077] Obviously, the above embodiments are only examples given for clear illustration and are not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or variations can be made based on the above description. It is not necessary and impossible to list all the implementation manners here. And the obvious changes or variations derived therefrom are still within the protection scope of the present invention.

Claims

1. An efficient inertial dust remover, comprising a guiding louver, a primary dust collection box, and a guiding housing that cooperate with each other to define an air inlet passage and an air outlet passage; The air inlet passage extends along the X-axis direction, and the air inlet passage is used to receive the air to be purified flowing in along the positive X-axis direction; The air outlet passage is arranged on the side of the air inlet passage, and the air outlet passage is used to discharge the clean air sent by the air inlet passage; The guiding louver is arranged between the side of the air inlet passage and the air outlet passage; The primary dust collection box is arranged at the positive X-axis end of the air inlet passage, and the primary dust collection box is used to collect impurities in the air inlet passage; The guiding housing includes a guiding plate located on the side or inside of the air inlet passage; It is characterized in that at least one of the guiding louvers is provided with a first non-straight side wall facing the air inlet passage and / or at least one of the guiding louvers is provided with a non-uniform guiding hole assembly communicating the air inlet passage and the air outlet passage and / or at least one of the guiding plates is provided with a first non-straight side wall facing the air inlet passage, and the remaining guiding louvers and / or the remaining guiding plates have a first straight side wall facing the air inlet passage, The first non-straight side wall is a first stepped side wall or an inclined side wall. The first stepped side wall includes a plurality of first straight guiding areas located at different positions in the X-axis direction. The projections of each first straight guiding area along the X-axis direction overlap. Among adjacent two first straight guiding areas, the one located in the positive X-axis direction is offset by a set distance toward the side where the air to be purified is located relative to the one located in the negative X-axis direction. At the turning point between adjacent two first straight guiding areas, a secondary dust collection box with an opening facing the negative X-axis direction is provided. The secondary dust collection box is flush with the first straight guiding area on its positive X-axis side and is used to collect impurities sent along the positive X-axis direction. The positive X-axis end of the inclined side wall is inclined by a set angle toward the side where the air to be purified is located relative to the negative X-axis end. The inclined side wall is arranged above the air inlet passage or the inclined side wall is arranged on the guiding plate; The non-uniform guiding hole assembly includes multiple groups of guiding channels located at different positions in the X-axis direction. Among adjacent two groups of guiding channels, the ventilation area of the one located in the positive X-axis direction is smaller than that of the one located in the negative X-axis direction; The projections of the first straight side walls along the X-axis direction overlap; The sand and dust collected by the primary dust collection box and the secondary dust collection box are all discharged by a sand discharge fan.

2. The high-efficiency inertial sand remover according to claim 1, wherein One of the guiding plates is a central guiding plate arranged in the central area of the air inlet passage, and the central guiding plate is provided with two first stepped side walls or two inclined side walls respectively facing two of the guiding louvers.

3. The high-efficiency inertial sand remover according to claim 1, characterized in that One of the guiding plates is a top guiding plate arranged above the air inlet passage, and the top guiding plate is provided with one inclined side wall.

4. The high-efficiency inertial sand remover according to claim 1, characterized in that All of the guiding louvers are provided with the first stepped side walls.

5. The high-efficiency inertial sand remover according to claim 1, characterized in that, The guiding louver is further provided with a second straight side wall facing the air outlet passage, and the projections of the second straight side walls along the X-axis direction overlap.

6. The high-efficiency inertial sand remover according to claim 1, characterized in that The flow guiding louver further has a second stepped side wall facing the air outlet channel. The second stepped side wall includes a plurality of second straight flow guiding regions located at different positions in the X-axis direction. The projections of each of the second straight flow guiding regions in the X-axis direction overlap. Among two adjacent second straight flow guiding regions, the one located in the negative X-axis direction is offset by a set distance toward the side where the clean air is located relative to the one located in the positive X-axis direction.

7. The high-efficiency inertial sand remover according to claim 1, characterized in that, All of the flow guiding louvers are provided with the non-uniform flow guiding hole assemblies, and the X-axis direction dimensions of a plurality of the flow guiding channels arranged in sequence in the positive X-axis direction gradually decrease.

8. The high-efficiency inertial sand remover according to claim 1, characterized in that The flow guiding housing is a ventilation duct. The flow guiding louvers are connected to two opposite pipe walls of the ventilation duct and divide the inner cavity of the ventilation duct into the air inlet channel and at least one air outlet channel. The air outlet channels are respectively arranged on the sides of the air inlet channel in the horizontal direction.

9. The high-efficiency inertial sand remover according to claim 1, wherein, The flow guiding louver includes a plurality of V-shaped blades. The plurality of V-shaped blades are respectively located at different positions in the X-axis direction. The V-shaped blades are connected to the flow guiding housing, and a flow guiding channel is formed between two adjacent V-shaped blades. The vertex of the acute angle of the V-shaped blade faces the negative X-axis direction.

10. The high-efficiency inertial sand remover according to claim 1, characterized in that, The flow guiding louver includes a side plate and a plurality of inclined blades. The side plate is connected to the flow guiding housing. The plurality of inclined blades are connected to the side plate and are respectively located at different positions in the X-axis direction. Flow guiding holes are provided on the side plate between two adjacent inclined blades. The inclined blades and the side plate form an acute angle, and the vertex of the acute angle faces the negative X-axis direction.

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