CN215610327U - Multistage dust collecting equipment that environmental protection was used - Google Patents
Multistage dust collecting equipment that environmental protection was used Download PDFInfo
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- CN215610327U CN215610327U CN202121657917.0U CN202121657917U CN215610327U CN 215610327 U CN215610327 U CN 215610327U CN 202121657917 U CN202121657917 U CN 202121657917U CN 215610327 U CN215610327 U CN 215610327U
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Abstract
The utility model discloses environment-friendly multistage dust removal equipment which comprises a filter box with an opening at the right side, wherein the top of the filter box is communicated and fixed with an air inlet pipe with a top end in a blocking structure, the tops of four sides of the air inlet pipe are communicated and fixed with a dust hood, the bottom of the filter box is embedded with a fan, the top of the fan is an air inlet and is communicated with the inside of the filter box, the inner wall of the top of the filter box is provided with a clamping groove, and a box-shaped filter screen with an opening at the top and the right side is movably sleeved in the filter box. The utility model has reasonable design, is convenient to realize multi-stage filtration and dust removal by matching the dust gas with the dust collection, the water adsorption filtration and purification and the active carbon filter screen filtration and purification in sequence, ensures that the discharged gas is clean gas, reduces the phenomenon of secondary discharge of fine dust, improves the dust removal effect, is convenient to rapidly remove and clean the dust collected by filtration, improves the cleaning efficiency and is beneficial to use.
Description
Technical Field
The utility model relates to the technical field of dust removing equipment, in particular to environment-friendly multistage dust removing equipment.
Background
Along with the continuous improvement of the national requirements on pollution control, the requirements on the emission of fine dust are increasingly strict, particularly heavy industry, the environmental pollution is particularly serious, in the industrial production, in order to ensure the environmental protection of workshops and the health of workers, the workshops need to be dedusted every day, and because some workshops do not allow water spraying for dedusting, the workshops which do not allow water spraying for dedusting are mostly dedusted in a mode of dust collection and filtration;
however, the dust collection device only adopts a dust collection and filtration mode, so that the defect of poor dust collection effect exists, more fine dust still exists in discharged gas after dust collection, the defect of inconvenience in quickly removing and cleaning the filtered and collected dust exists, and the use requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides environment-friendly multistage dust removal equipment.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the multi-stage dust removing equipment for environmental protection comprises a filter box with an opening at the right side, wherein the top of the filter box is communicated and fixed with an air inlet pipe with the top end of the air inlet pipe being of a blocking structure, the tops of four sides of the air inlet pipe are communicated and fixed with a dust hood, the bottom of the filter box is embedded with a fan, the top of the fan is an air inlet and is communicated with the inside of the filter box, the inner wall of the top of the filter box is provided with a clamping groove, a box-shaped filter screen with the top and the right sides being of the opening is movably sleeved in the filter box, the right side of the box-shaped filter screen is fixedly connected with a baffle, the left side of the baffle is in sealed movable contact with the right side of the filter box, the right side of the baffle is fixedly connected with a U-shaped handle, the left side of the baffle is fixedly connected with a quick fixing mechanism which is positioned in the filter box, the quick fixing mechanism is clamped with the inner wall of the top of the filter box, and the right side of the quick fixing mechanism penetrates through the baffle and extends into the U-shaped handle, and a water immersion type filtering and purifying mechanism is fixedly arranged at the bottom of the fan.
Preferably, fast solid mechanism is including fixing the rectangle box at baffle left side top, the right side of rectangle box sets up to the opening, fixedly connected with U-shaped seat on the left side inner wall of rectangle box, be equipped with the kelly in the U-shaped seat, and the top of kelly extends to the top of rectangle box and clamps mutually with the draw-in groove, rectangle box and the equal slip cap of U-shaped seat are established on the kelly, fixedly connected with spring between the bottom of kelly and the bottom inner wall of U-shaped seat, rotate on the bottom inner wall of rectangle box and install the fixed pulley, the right side of fixed pulley is equipped with the pull rod, the right-hand member of pull rod runs through the baffle and extends to in the U-shaped handle and fixedly connected with pull ring, the bottom fixedly connected with soft wire rope of kelly, and the one end of soft wire rope walk around the bottom of fixed pulley and with the left end fixed connection of pull rod.
Preferably, formula of soaking filtration purification mechanism is including setting up the water tank in the fan below, the water tank intussuseption is filled with water, the top of water tank is inlayed and is equipped with the air duct, and the bottom of air duct extends to in the water tank and fixedly connected with check valve, the bottom of check valve is established to the export, the top of air duct establish to the infundibulate structure and with the bottom fixed connection of fan, the top left side intercommunication of water tank is fixed with the blast pipe, and the top fixedly connected with active carbon filter screen of blast pipe, the bottom fixedly connected with base of water tank, and the bottom four corners of base all rotates and installs the walking wheel.
Preferably, a first mounting hole is formed in the inner wall of the top of the filter box, the inner wall of the first mounting hole is fixedly connected with the outer side of the air inlet pipe, a second mounting hole is formed in the inner wall of the bottom of the filter box, and the inner wall of the second mounting hole is fixedly connected with the outer side of the fan.
Preferably, a first square hole is formed in the inner wall of the top of the U-shaped seat, a second square hole is formed in the inner wall of the top of the rectangular box, and the inner wall of the second square hole and the inner wall of the first square hole are both in sliding connection with the outer side of the clamping rod.
Preferably, a rectangular through hole is formed in the top of the left side of the baffle, and the inner wall of the rectangular through hole is in sliding connection with the outer side of the clamping rod.
Preferably, a sealing rubber mat is fixedly bonded to the left side of the baffle, and the left side of the sealing rubber mat is in movable contact with the right side of the filter box.
Preferably, the right side intercommunication of water tank is fixed with inlet tube and outlet pipe, and the inlet tube is located the top of outlet pipe, and the right-hand member of inlet tube and the right-hand member of outlet pipe all fixedly connected with valve.
Compared with the prior art, the utility model has the beneficial effects that:
the air purifier comprises a filter box, an air inlet pipe, a dust hood, a fan, a box-shaped filter screen, a baffle plate, a U-shaped handle, a clamping groove, a rectangular box, a U-shaped seat, a clamping rod, a spring, a pull rod, a pull ring, a soft steel wire rope, a fixed pulley, a water tank, an air guide pipe, a one-way valve and an exhaust pipe, wherein the exhaust pipe is matched with an active carbon filter screen, the fan is started, the fan sequentially passes through the filter box, the air inlet pipe and the four dust hoods to suck external dust gas, the dust gas enters the filter box under the suction force, the box-shaped filter screen can filter and shield and collect dust in the dust gas, the gas downwards passes through the box-shaped filter screen and then is sent into water through the air guide pipe and the one-way valve, the water can adsorb and purify fine dust remaining in the gas, the gas upwards floats into the exhaust pipe and then is discharged through the active carbon filter screen, and the active carbon filter screen can further filter and purify the gas, under the coordination of dust gas filtration and collection, water adsorption, filtration and purification and activated carbon filter screen filtration and purification, multi-stage filtration and dust removal can be realized, so that discharged gas is clean gas, and the dust removal effect is improved;
when the dust collected by filtration is cleaned, the pull ring is pulled rightwards to drive the pull rod to move rightwards, the pull rod drives the soft steel wire rope to slide at the bottom of the fixed pulley, the soft steel wire rope drives the clamping rod to separate downwards from the clamping groove and compress the spring, the U-shaped handle is pulled rightwards to drive the baffle plate to move rightwards at the moment, the baffle plate drives the box-shaped filter screen to move rightwards, at the moment, a person can pour the dust collected by filtration in the box-shaped filter screen to clean, after the dust is cleaned, the box-shaped filter screen is inserted into the filter box leftwards, the baffle plate is moved leftwards to drive the sealing rubber mat to contact the right side of the filter box leftwards, the tension force applied to the right and the pull ring is released, the spring in a compression state drives the clamping rod to upwards clamp into the clamping groove at the moment, the installation is completed, and the dust collected by filtration can be conveniently and quickly moved out to be cleaned.
The utility model has reasonable design, is convenient to realize multi-stage filtration and dust removal by matching the dust gas with the dust collection, the water adsorption filtration and purification and the active carbon filter screen filtration and purification in sequence, ensures that the discharged gas is clean gas, reduces the phenomenon of secondary discharge of fine dust, improves the dust removal effect, is convenient to rapidly remove and clean the dust collected by filtration, improves the cleaning efficiency and is beneficial to use.
Drawings
FIG. 1 is a schematic structural diagram of an environmental-friendly multistage dust removing apparatus according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1 filter box, 2 air inlet pipes, 3 dust hoods, 4 fans, 5 box-shaped filter screens, 6 baffles, 7U-shaped handles, 8 clamping grooves, 9 rectangular boxes, 10U-shaped seats, 11 clamping rods, 12 springs, 13 pull rods, 14 pull rings, 15 soft steel wire ropes, 16 fixed pulleys, 17 water tanks, 18 air guide pipes, 19 one-way valves, 20 exhaust pipes and 21 activated carbon filter screens.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a multi-stage dust removing device for environmental protection comprises a filter box 1 with an opening at the right side, an air inlet pipe 2 with a plugging structure at the top end is communicated and fixed at the top of the filter box 1, a dust hood 3 is communicated and fixed at the tops of four sides of the air inlet pipe 2, a fan 4 is embedded at the bottom of the filter box 1, the top of the fan 4 is an air inlet and communicated with the inside of the filter box 1, a clamping groove 8 is arranged on the inner wall of the top of the filter box 1, a box-shaped filter screen 5 with an opening at the top and the right side is movably sleeved in the filter box 1, a baffle 6 is fixedly connected at the right side of the box-shaped filter screen 5, the left side of the baffle 6 is in sealed movable contact with the right side of the filter box 1, a U-shaped handle 7 is fixedly connected at the right side of the baffle 6, a quick fixing mechanism positioned in the filter box 1 is fixedly connected at the left side of the baffle 6, and is clamped with the inner wall of the top of the filter box 1, the right side of the quick fixing mechanism penetrates through the baffle 6 and extends into the U-shaped handle 7, and the bottom of the fan 4 is fixedly provided with a water immersion type filtering and purifying mechanism;
the quick-fixing mechanism comprises a rectangular box 9 fixed at the top of the left side of a baffle 6, the right side of the rectangular box 9 is provided with an opening, a U-shaped seat 10 is fixedly connected to the inner wall of the left side of the rectangular box 9, a clamping rod 11 is arranged in the U-shaped seat 10, the top end of the clamping rod 11 extends to the upper side of the rectangular box 9 and is clamped with a clamping groove 8, the rectangular box 9 and the U-shaped seat 10 are slidably sleeved on the clamping rod 11, a spring 12 is fixedly connected between the bottom end of the clamping rod 11 and the inner wall of the bottom of the U-shaped seat 10, a fixed pulley 16 is rotatably mounted on the inner wall of the bottom of the rectangular box 9, a pull rod 13 is arranged on the right side of the fixed pulley 16, the right end of the pull rod 13 extends into a U-shaped handle 7 through the baffle 6 and is fixedly connected with a pull ring 14, a soft steel wire rope 15 is fixedly connected to the bottom end of the clamping rod 11, and one end of the soft steel wire rope 15 bypasses the bottom of the fixed pulley 16 and is fixedly connected with the left end of the pull rod 13;
the water immersion type filtering and purifying mechanism comprises a water tank 17 arranged below a fan 4, water is filled in the water tank 17, an air guide pipe 18 is embedded in the top of the water tank 17, the bottom end of the air guide pipe 18 extends into the water in the water tank 17 and is fixedly connected with a one-way valve 19, the bottom of the one-way valve 19 is provided with an outlet, the top end of the air guide pipe 18 is provided with a funnel-shaped structure and is fixedly connected with the bottom of the fan 4, the left side of the top of the water tank 17 is communicated with and is fixedly connected with an exhaust pipe 20, the top end of the exhaust pipe 20 is fixedly connected with an active carbon filter screen 21, the bottom of the water tank 17 is fixedly connected with a base, and four corners of the bottom of the base are rotatably provided with traveling wheels. Reduce fine dust exhaust phenomenon once more, improve the dust removal effect, and be convenient for remove the clearance fast to the dust of filtering collection, improve cleaning efficiency, be favorable to the use.
In the utility model, a first mounting hole is arranged on the inner wall of the top of a filter box 1, the inner wall of the first mounting hole is fixedly connected with the outer side of an air inlet pipe 2, a second mounting hole is arranged on the inner wall of the bottom of the filter box 1, the inner wall of the second mounting hole is fixedly connected with the outer side of a fan 4, a first square hole is arranged on the inner wall of the top of a U-shaped seat 10, a second square hole is arranged on the inner wall of the top of a rectangular box 9, the inner wall of the second square hole and the inner wall of the first square hole are both in sliding connection with the outer side of a clamping rod 11, a rectangular through hole is arranged on the top of the left side of a baffle 6, the inner wall of the rectangular through hole is in sliding connection with the outer side of a clamping rod 13, a sealing rubber gasket is fixedly bonded on the left side of the baffle 6, the left side of the sealing rubber gasket is in movable contact with the right side of the filter box 1, a water inlet pipe and a water outlet pipe are communicated and fixedly arranged on the right side of a water tank 17, the water inlet pipe is positioned above the water outlet pipe, valves are both fixedly connected with the right end of the water inlet pipe, the dust removal device is reasonable in design, and can conveniently realize multi-stage filtration and dust removal by matching the dust gas with the dust collection, the water adsorption filtration and purification and the activated carbon filter screen 21 filtration and purification in sequence, so that the discharged gas is clean gas, the phenomenon of secondary discharge of fine dust is reduced, the dust removal effect is improved, the filtered and collected dust can be conveniently and rapidly removed and cleaned, the cleaning efficiency is improved, and the use is facilitated.
The working principle is as follows: when the dust removal device is used, the fan 4 is started, the fan 4 sucks the air inlet pipe 2 through the filter box 1, the air inlet pipe 2 sucks external dust gas through the four dust hoods 3, the dust gas sequentially enters the filter box 1 through the dust hoods 3 and the air inlet pipe 2 under the suction force, the box-shaped filter screen 5 can filter dust in the dust gas and shield and collect the dust in the filter box, primary filtering and dust removal are realized, the gas downwards passes through the box-shaped filter screen 5 and then is sent into the air duct 18 by the fan 4, the gas downwards passes through the one-way valve 19 and is discharged into water, the water can adsorb and purify fine dust remaining in the gas at the moment, secondary filtering and dust removal are realized, bubbles can be formed and float upwards when the gas enters the water, then the gas upwards is discharged into the exhaust pipe 20 and upwards passes through the activated carbon filter screen 21 and then is discharged, and the activated carbon filter screen 21 can further filter and purify the gas, under the coordination of dust gas filtration and collection, water adsorption, filtration and purification and activated carbon filter screen 21 filtration and purification, multi-stage filtration and dust removal can be realized, so that the discharged gas is clean gas, and the dust removal effect is improved;
when the dust filtered and collected in the box-shaped filter screen 5 needs to be taken out and cleaned, firstly, a pull ring 14 is pulled rightwards, the pull ring 14 drives a pull rod 13 to move rightwards, the pull rod 13 drives a soft steel wire rope 15 to slide at the bottom of a fixed pulley 16, the soft steel wire rope 15 drives a clamping rod 11 to slide downwards in a U-shaped seat 10 and compress a spring 12, the clamping rod 11 is separated downwards from a clamping groove 8 to release clamping, then, a U-shaped handle 7 is pulled rightwards, the U-shaped handle 7 drives a baffle 6 to move rightwards, the baffle 6 drives a rectangular box 9 and the box-shaped filter screen 5 to move rightwards, then, a person can pour and clean the dust filtered and collected in the box-shaped filter screen 5, after cleaning, the pull ring 14 is pulled rightwards again to compress the spring 12, the box-shaped filter screen 5 is inserted into the filter box 1 leftwards, the baffle 6 is moved leftwards to drive a sealing rubber gasket to contact with the right side of the filter box 1 leftwards, relax this moment 14 right pulling forces to the pull ring, the elasticity of the spring 12 that is in compression state drives card pole 11 and goes up the card and go into in draw-in groove 8 this moment, draw-in groove 8 passes through draw-in bar 11 to the restriction of rectangle box 9, realizes the fixed to baffle 6 and box-shaped filter screen 5, and the installation is accomplished for be convenient for remove the clearance fast to the dust of filtering the collection, improve cleaning efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The multi-stage dust removing equipment for environmental protection comprises a filter box (1) with the right side provided with an opening, and is characterized in that the top of the filter box (1) is communicated and fixed with an air inlet pipe (2) with the top end of a plugging structure, the tops of four sides of the air inlet pipe (2) are communicated and fixed with a dust hood (3), the bottom of the filter box (1) is embedded with a fan (4), the top of the fan (4) is an air inlet and communicated with the inside of the filter box (1), the inner wall of the top of the filter box (1) is provided with a clamping groove (8), a box-shaped filter screen (5) with the top and the right side both provided with the opening is movably sleeved in the filter box (1), the right side of the box-shaped filter screen (5) is fixedly connected with a baffle (6), the left side of the baffle (6) is in sealed movable contact with the right side of the filter box (1), the right side of the baffle (6) is fixedly connected with a U-shaped handle (7), the left side fixedly connected with of baffle (6) is located the fast solid mechanism of rose box (1), and fast solid mechanism clamps with the top inner wall of rose box (1), and the right side of fast solid mechanism runs through baffle (6) and extends to in U-shaped handle (7), the fixed formula of soaking filtration purification mechanism that is provided with in bottom of fan (4).
2. The multi-stage dust removing device for environmental protection according to claim 1, wherein the quick-fixing mechanism comprises a rectangular box (9) fixed at the top of the left side of the baffle plate (6), the right side of the rectangular box (9) is provided with an opening, a U-shaped seat (10) is fixedly connected to the inner wall of the left side of the rectangular box (9), a clamping rod (11) is arranged in the U-shaped seat (10), the top end of the clamping rod (11) extends to the upper side of the rectangular box (9) and is clamped with the clamping groove (8), the rectangular box (9) and the U-shaped seat (10) are both slidably sleeved on the clamping rod (11), a spring (12) is fixedly connected between the bottom end of the clamping rod (11) and the inner wall of the bottom of the U-shaped seat (10), a fixed pulley (16) is rotatably installed on the inner wall of the bottom of the rectangular box (9), a pull rod (13) is arranged on the right side of the fixed pulley (16), the right end of the pull rod (13) extends to the U-shaped handle (7) through the baffle plate (6) and is fixedly connected with a pull ring (14), the bottom end of the clamping rod (11) is fixedly connected with a soft steel wire rope (15), and one end of the soft steel wire rope (15) bypasses the bottom of the fixed pulley (16) and is fixedly connected with the left end of the pull rod (13).
3. The multi-stage dust removing equipment for the environmental protection according to claim 1, wherein the immersion type filtering and purifying mechanism comprises a water tank (17) arranged below the fan (4), the water tank (17) is filled with water, an air duct (18) is embedded at the top of the water tank (17), the bottom end of the air duct (18) extends into the water in the water tank (17) and is fixedly connected with a one-way valve (19), the bottom of the one-way valve (19) is set as an outlet, the top end of the air duct (18) is set as a funnel-shaped structure and is fixedly connected with the bottom of the fan (4), the left side of the top of the water tank (17) is communicated with and is fixed with an exhaust pipe (20), the top end of the exhaust pipe (20) is fixedly connected with an active carbon filter screen (21), the bottom of the water tank (17) is fixedly connected with a base, and walking wheels are rotatably installed at four corners of the bottom of the base.
4. The multi-stage dust removing equipment for environmental protection according to claim 1, wherein the inner wall of the top of the filter box (1) is provided with a first mounting hole, the inner wall of the first mounting hole is fixedly connected with the outer side of the air inlet pipe (2), the inner wall of the bottom of the filter box (1) is provided with a second mounting hole, and the inner wall of the second mounting hole is fixedly connected with the outer side of the fan (4).
5. The multi-stage dust removing device for environmental protection according to claim 2, wherein a first square hole is formed on the inner wall of the top of the U-shaped seat (10), a second square hole is formed on the inner wall of the top of the rectangular box (9), and the inner wall of the second square hole and the inner wall of the first square hole are both connected with the outer side of the clamping rod (11) in a sliding manner.
6. The multi-stage dust removing equipment for environmental protection according to claim 2, wherein the baffle (6) is provided with a rectangular through hole at the top of the left side, and the inner wall of the rectangular through hole is slidably connected with the outer side of the pull rod (13).
7. The multi-stage dust removing equipment for environmental protection according to claim 2, wherein the left side of the baffle plate (6) is fixedly bonded with a sealing rubber mat, and the left side of the sealing rubber mat is movably contacted with the right side of the filter box (1).
8. The multi-stage dust removing equipment for environmental protection according to claim 3, wherein the right side of the water tank (17) is communicated with and fixed with a water inlet pipe and a water outlet pipe, the water inlet pipe is positioned above the water outlet pipe, and the right end of the water inlet pipe and the right end of the water outlet pipe are both fixedly connected with valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121657917.0U CN215610327U (en) | 2021-07-21 | 2021-07-21 | Multistage dust collecting equipment that environmental protection was used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121657917.0U CN215610327U (en) | 2021-07-21 | 2021-07-21 | Multistage dust collecting equipment that environmental protection was used |
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| CN215610327U true CN215610327U (en) | 2022-01-25 |
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| CN202121657917.0U Active CN215610327U (en) | 2021-07-21 | 2021-07-21 | Multistage dust collecting equipment that environmental protection was used |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674048A (en) * | 2022-05-27 | 2022-06-28 | 江苏莱克科技有限公司 | Ventilation equipment for large-scale factory |
| CN114917717A (en) * | 2022-06-02 | 2022-08-19 | 深圳市世豪机电设备有限公司 | Dust-free filter device of automatic oven |
| CN115069677A (en) * | 2022-06-08 | 2022-09-20 | 江苏舒扬智能装备有限公司 | Mobile dust collection device for manufacturing industrial automatic control device |
| CN115341434A (en) * | 2022-09-05 | 2022-11-15 | 安徽海涵建设工程有限公司 | Filling type large-particle-size thickened water-stable layer paving method and device |
| CN117225129A (en) * | 2023-11-14 | 2023-12-15 | 山东省环能设计院股份有限公司 | Flue gas purification device for waste heat recovery |
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2021
- 2021-07-21 CN CN202121657917.0U patent/CN215610327U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114674048A (en) * | 2022-05-27 | 2022-06-28 | 江苏莱克科技有限公司 | Ventilation equipment for large-scale factory |
| CN114917717A (en) * | 2022-06-02 | 2022-08-19 | 深圳市世豪机电设备有限公司 | Dust-free filter device of automatic oven |
| CN114917717B (en) * | 2022-06-02 | 2023-04-18 | 深圳市世豪机电设备有限公司 | Dust-free filter device of automatic oven |
| CN115069677A (en) * | 2022-06-08 | 2022-09-20 | 江苏舒扬智能装备有限公司 | Mobile dust collection device for manufacturing industrial automatic control device |
| CN115069677B (en) * | 2022-06-08 | 2024-01-23 | 江苏舒扬智能装备有限公司 | Mobile dust collection device for manufacturing industrial automatic control device |
| CN115341434A (en) * | 2022-09-05 | 2022-11-15 | 安徽海涵建设工程有限公司 | Filling type large-particle-size thickened water-stable layer paving method and device |
| CN115341434B (en) * | 2022-09-05 | 2023-12-01 | 安徽海涵建设工程有限公司 | Filling type large-particle-size thickening water stable layer paving method and device |
| CN117225129A (en) * | 2023-11-14 | 2023-12-15 | 山东省环能设计院股份有限公司 | Flue gas purification device for waste heat recovery |
| CN117225129B (en) * | 2023-11-14 | 2024-01-19 | 山东省环能设计院股份有限公司 | Flue gas purification device for waste heat recovery |
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