CN111790227A - Environment-friendly regeneration system of mixing plant - Google Patents
Environment-friendly regeneration system of mixing plant Download PDFInfo
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- CN111790227A CN111790227A CN202010685247.7A CN202010685247A CN111790227A CN 111790227 A CN111790227 A CN 111790227A CN 202010685247 A CN202010685247 A CN 202010685247A CN 111790227 A CN111790227 A CN 111790227A
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- water tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
Abstract
The invention provides an environment-friendly regeneration system of a mixing station, which comprises a wall plate and a ground, wherein the wall plate and the ground enclose the mixing station into a closed chamber, an air inlet partition plate with a wide top and a narrow bottom is arranged on the wall plate, the bottom of the air inlet partition plate is arranged on the ground, a first fan set is arranged in the top of the air inlet partition plate, indoor air is sucked into the air inlet partition plate by the first fan set, a floor drain plate is arranged in the bottom of the air inlet partition plate, a water tank is arranged below the floor drain plate, a second fan set facing the floor drain plate is arranged on one side of the water tank, air in the air inlet partition plate is sucked into the water tank by the second fan set, the higher end and the lower end of one end of the water tank are arranged underground, the lower end of the water tank is connected with a.
Description
Technical Field
The invention relates to the technical field of dust fall of a mixing station, in particular to an environment-friendly regeneration system of the mixing station.
Background
With the advance of the urbanization process of China, large and small cities in China build cities and build buildings. And the construction needs to build a mixing plant in suburb areas as a raw material supply point. At present, a plurality of mixing stations are open, so that very serious dust is blown out, and serious air pollution is caused. For this reason, a fog gun machine specially providing dust fall may be used. The general principle is that dust falls after being moistened by spraying water mist to the sky. However, the dust on the ground will dry after a long time and will be blown up again by wind. A considerable part of the dust is the raw material of concrete, and if the dust is not collected for secondary utilization, the dust is easy to cause waste on one hand, and the dust pollutes the environment on the other hand.
Disclosure of Invention
The invention aims to solve the technical problem of providing an environment-friendly regeneration system of a mixing plant, which recovers dust in the air for recycling when concrete is produced and also achieves the aim of environment protection.
The invention adopts the technical scheme that the environment-friendly regeneration system of the mixing plant comprises a wall plate and a ground, wherein the wall plate and the ground enclose the mixing plant into a closed chamber, the wall plate is provided with an air inlet partition plate with a wide upper part and a narrow lower part, the bottom of the air inlet partition plate is arranged on the ground, the top of the air inlet partition plate is internally provided with a first fan set, the first fan set sucks indoor air into the air inlet partition plate, the bottom of the air inlet partition plate is internally provided with a floor drain plate, a water tank is arranged below the floor drain plate, one side of the water tank is provided with a second fan set facing the floor drain plate, the second fan set sucks air in the air inlet partition plate into the water tank, one end of the water tank is higher and the other end of the water tank is lower and is arranged underground, the lower end of the water tank is connected with a reservoir, the high end of the water, the heating chamber is internally provided with a heat exchanger, wherein the water pump pumps water in the water storage tank into the heating chamber for heating, so that hot water flows into the water storage tank along the water tank, and in the flowing process of the hot water, air above the air inlet partition plate is liquefied and attached to dust in the air and falls into the water tank under the action of gravity and the second fan unit.
In one embodiment, a space is provided between the floor drain plate and the sink, and a filter is connected to one side of the floor drain plate and one side of the sink, and the filter is located in the space and separates the floor drain plate from the second fan unit.
In one embodiment, the first fan set includes a first mounting plate and a plurality of first fans arranged side by side on the first mounting plate, and the first mounting plate is arranged in the top of the air intake partition plate.
In one embodiment, the second fan set includes a second mounting plate and a plurality of second fans arranged side by side on the second mounting plate, and the second mounting plate is arranged on one side of the water tank.
In one embodiment, the heating chamber is deeper than the water tank, and the heating chamber is used for storing the hot water flowing out from the heat exchanger.
In one embodiment, the water pump is installed outside the heating chamber.
As an implementation mode, the top of the air intake partition plate extends into the room, a vertical air intake hole is formed in the air intake partition plate, and the air intake hole extends from the top of the air intake partition plate to the bottom of the air intake partition plate.
As one embodiment, the stirring station comprises a batching machine, wherein a conveying belt is arranged at the bottom of the batching machine, and a charging chute on the ground is arranged at the end part of the conveying belt; the mixing station further comprises a mixing station main body, a lifting belt is connected between the mixing station main body and the conveying belt, and the lower end portion of the lifting belt is embedded into the charging chute.
In one embodiment, the dosing machine and the mixing station body are both close to the air inlet partition.
Compared with the prior art, the indoor air suction device has the beneficial effects that the indoor air suction device is provided with the air inlet partition plate with the wide upper part and the narrow lower part, and indoor air is sucked into the air inlet partition plate along the downward oblique direction under the action of the first fan set and the second fan set. The top of the air inlet partition plate is wider, so that more air above the room can be sucked, and dust in the air also enters the air when the air is sucked into the air inlet partition plate. The water tank, the reservoir, the water pipe and the heating chamber below the floor drain plate are sequentially connected to form a circulating water path, wherein the water suction pump provides circulating power to continuously bring dust into the reservoir. Hot water flows over the water tank and is heated by a heat exchanger. The air in the upper area in the air inlet partition board is heated and liquefied, so that the indoor air is sucked into the air inlet partition board, and then the dust begins to adhere to the water vapor and goes downwards. And the second fan group provides downward helping hand, and dust is more and more at the attached steam of downward in-process, finally falls in the basin. Finally, the dust is accumulated in the reservoir, and the produced concrete water is directly pumped out, thereby realizing the recycling and achieving the purpose of environmental protection.
Drawings
FIG. 1 is a first view of an eco-friendly regeneration system for a mixing station provided by an embodiment of the present invention;
FIG. 2 is a second view of the eco-friendly regeneration system of the mixing station provided by an embodiment of the present invention;
FIG. 3 is a first enlarged fragmentary view of the eco-friendly regeneration system of the mixing station provided in FIG. 1;
FIG. 4 is a second enlarged partial view of the eco-friendly regeneration system of the mixing station provided in FIG. 1;
FIG. 5 is a third enlarged partial view of the eco-friendly regeneration system of the mixing station provided in FIG. 1;
fig. 6 is a third view of the eco-friendly regeneration system of the mixing station according to the embodiment of the present invention.
In the figure: 1. a wallboard; 2. a ground surface; 3. an air intake partition; 4. a first fan unit; 41. a first mounting plate; 42. a first fan; 5. a floor drain plate; 6. a water tank; 7. a second fan unit; 71. a second fan; 72. a second mounting plate; 8. a reservoir; 9. a heating chamber; 10. a water pipe; 11. a water pump; 12. a heat exchanger; 13. a filter housing; 14. an air inlet; 15. a dosing machine; 16. a conveyor belt; 17. a charging chute; 18. a mixing station main body; 19. a lifting belt.
Detailed Description
The foregoing and additional embodiments and advantages of the present invention are described more fully hereinafter with reference to the accompanying drawings. It is to be understood that the described embodiments are merely some, and not all, embodiments of the invention.
In one embodiment, as shown in fig. 1-2.
The environment-friendly regeneration system of the mixing plant provided by the embodiment comprises a wall plate 1 and a ground 2 which enclose the mixing plant into a closed chamber, wherein an air inlet partition plate 3 with a wide top and a narrow bottom is arranged on the wall plate 1, the bottom of the air inlet partition plate 3 is arranged on the ground 2, a first fan set 4 is arranged in the top of the air inlet partition plate 3, the first fan set 4 sucks indoor air into the air inlet partition plate 3, a floor drain plate 5 is arranged in the bottom of the air inlet partition plate 3, a water tank 6 is arranged below the floor drain plate 5, a second fan set 7 facing the floor drain plate 5 is arranged on one side of the water tank 6, the second fan set 7 sucks air in the air inlet partition plate 3 into the water tank 6, one end of the water tank 6 is high and the other end is low and is arranged under the ground, the lower end of the water tank 6 is connected with a reservoir 8, the high end of the water tank 6 is provided with a, wherein the water in the reservoir 8 is pumped into the heating chamber 9 by the water pump 11 to be heated, so that the hot water flows into the reservoir 8 along the water tank 6, and in the flowing process of the hot water, the air above the air inlet partition plate 3 is liquefied and attached to dust in the air, and falls into the water tank 6 under the action of gravity and the second fan group 7.
In this embodiment, the mixing station is in a relatively enclosed chamber. The closed chamber enclosed by the wall plate 1 and the ground 2 can prevent the dust of the mixing plant from polluting the atmosphere and the surrounding environment. In the present embodiment, it is only necessary to treat and purify indoor air, and to recover and reuse dust in the air. Specifically, an air intake partition plate 3 with a wide top and a narrow bottom is arranged in a room, and under the action of a first fan set 4 and a second fan set 7, indoor air is sucked into the air intake partition plate 3 along an oblique downward direction. Wherein the top of the intake partition 3 is wider so that more air can be drawn in from above the room, and occupies the space above the room without affecting the work below. Dust in the air also enters during the process of air being drawn into the intake partition 3. And the water tank 6, the reservoir 8, the water pipe 10 and the heating chamber 9 below the floor drain plate 5 are sequentially connected to form a circulating water path, wherein the water suction pump 11 provides circulating power to continuously bring dust into the reservoir 8.
In the present embodiment, hot water flows through the water tank 6 and is heated by the heat exchanger 12. In order to prevent small particles of dust from being discharged along with the first fan set 4 and the second fan set 7, air in the upper area inside the air inlet partition plate 3 is heated and liquefied, so that indoor air is sucked into the air inlet partition plate 3, and then water vapor begins to adhere to the dust and flows downwards. And the second fan unit 7 provides downward power assistance, and more water vapor is attached to dust in the downward process and finally falls into the water tank 6. Finally, the dust is accumulated in the reservoir 8, and the water for concrete is directly pumped out, thereby realizing recycling and achieving the aim of environmental protection.
In this embodiment, the water pipe 10 connects the heating chamber 9 and the reservoir 8, the heating chamber 9 being at a high level and the reservoir 8 being at a low level. In which water is pumped from the reservoir 8 into the heating chamber 9 by means of a suction pump 11, and a water line 10 is connected to the reservoir 8 at a relatively upper position in order to prevent already settled dust from being pumped away from the reservoir 8.
In one embodiment, as shown in FIG. 3.
The environment-friendly regeneration system of the mixing plant provided by the embodiment comprises a wall plate 1 and a ground 2 which enclose the mixing plant into a closed chamber, wherein an air inlet partition plate 3 with a wide top and a narrow bottom is arranged on the wall plate 1, the bottom of the air inlet partition plate 3 is arranged on the ground 2, a first fan set 4 is arranged in the top of the air inlet partition plate 3, the first fan set 4 sucks indoor air into the air inlet partition plate 3, a floor drain plate 5 is arranged in the bottom of the air inlet partition plate 3, a water tank 6 is arranged below the floor drain plate 5, a second fan set 7 facing the floor drain plate 5 is arranged on one side of the water tank 6, the second fan set 7 sucks air in the air inlet partition plate 3 into the water tank 6, one end of the water tank 6 is high and the other end is low and is arranged under the ground, the lower end of the water tank 6 is connected with a reservoir 8, the high end of the water tank 6 is provided with a, wherein the water in the reservoir 8 is pumped into the heating chamber 9 by the water pump 11 to be heated, so that the hot water flows into the reservoir 8 along the water tank 6, and in the flowing process of the hot water, the air above the air inlet partition plate 3 is liquefied and attached to dust in the air, and falls into the water tank 6 under the action of gravity and the second fan group 7. Besides, a gap is arranged between the floor drain plate 5 and the water tank 6, a filter cover 13 is connected to one side of the floor drain plate 5 and one side of the water tank 6, and the filter cover 13 is positioned in the gap and separates the floor drain plate 5 from the second fan set 7.
In the embodiment, because the second fan set 7 provides downward power assistance, more and more water vapor is attached to dust in the downward process, and the filter cover 13 arranged between the floor drain plate 5 and the water tank 6 can isolate water drops in the interval so as to finally fall into the water tank 6. And the air is discharged through the second fan unit 7 through the filter housing 13.
In one embodiment, as shown in FIG. 4.
The environment-friendly regeneration system of the mixing plant provided by the embodiment comprises a wall plate 1 and a ground 2 which enclose the mixing plant into a closed chamber, wherein an air inlet partition plate 3 with a wide top and a narrow bottom is arranged on the wall plate 1, the bottom of the air inlet partition plate 3 is arranged on the ground 2, a first fan set 4 is arranged in the top of the air inlet partition plate 3, the first fan set 4 sucks indoor air into the air inlet partition plate 3, a floor drain plate 5 is arranged in the bottom of the air inlet partition plate 3, a water tank 6 is arranged below the floor drain plate 5, a second fan set 7 facing the floor drain plate 5 is arranged on one side of the water tank 6, the second fan set 7 sucks air in the air inlet partition plate 3 into the water tank 6, one end of the water tank 6 is high and the other end is low and is arranged under the ground, the lower end of the water tank 6 is connected with a reservoir 8, the high end of the water tank 6 is provided with a, wherein the water in the reservoir 8 is pumped into the heating chamber 9 by the water pump 11 to be heated, so that the hot water flows into the reservoir 8 along the water tank 6, and in the flowing process of the hot water, the air above the air inlet partition plate 3 is liquefied and attached to dust in the air, and falls into the water tank 6 under the action of gravity and the second fan group 7. The first fan group 4 comprises a first mounting plate 41 and a plurality of first fans 42 arranged side by side on the first mounting plate 41, the first mounting plate 41 being arranged in the top of the intake partition 3.
In the present embodiment, the first fan unit 4 functions to suck indoor air into the intake partition 3. The first mounting plate 41 provides for the mounting of the first fans 42 in rows. And the first fan 42 is installed toward the intake partition 3.
In one embodiment, as shown in FIG. 5.
The environment-friendly regeneration system of the mixing plant provided by the embodiment comprises a wall plate 1 and a ground 2 which enclose the mixing plant into a closed chamber, wherein an air inlet partition plate 3 with a wide top and a narrow bottom is arranged on the wall plate 1, the bottom of the air inlet partition plate 3 is arranged on the ground 2, a first fan set 4 is arranged in the top of the air inlet partition plate 3, the first fan set 4 sucks indoor air into the air inlet partition plate 3, a floor drain plate 5 is arranged in the bottom of the air inlet partition plate 3, a water tank 6 is arranged below the floor drain plate 5, a second fan set 7 facing the floor drain plate 5 is arranged on one side of the water tank 6, the second fan set 7 sucks air in the air inlet partition plate 3 into the water tank 6, one end of the water tank 6 is high and the other end is low and is arranged under the ground, the lower end of the water tank 6 is connected with a reservoir 8, the high end of the water tank 6 is provided with a, wherein the water in the reservoir 8 is pumped into the heating chamber 9 by the water pump 11 to be heated, so that the hot water flows into the reservoir 8 along the water tank 6, and in the flowing process of the hot water, the air above the air inlet partition plate 3 is liquefied and attached to dust in the air, and falls into the water tank 6 under the action of gravity and the second fan group 7. The second fan unit 7 includes a second mounting plate 72 and a plurality of second fans 71 arranged side by side on the second mounting plate 72, and the second mounting plate 72 is provided on one side of the water tub 6.
In the present embodiment, the second fan group 7 functions to suck the air that has been in the intake partition plate 3 downward, and the indoor air is sucked into the intake partition plate 3 in an obliquely downward direction by the combined action with the first fan group 4.
In one embodiment, as shown in FIG. 1.
The environment-friendly regeneration system of the mixing plant provided by the embodiment comprises a wall plate 1 and a ground 2 which enclose the mixing plant into a closed chamber, wherein an air inlet partition plate 3 with a wide top and a narrow bottom is arranged on the wall plate 1, the bottom of the air inlet partition plate 3 is arranged on the ground 2, a first fan set 4 is arranged in the top of the air inlet partition plate 3, the first fan set 4 sucks indoor air into the air inlet partition plate 3, a floor drain plate 5 is arranged in the bottom of the air inlet partition plate 3, a water tank 6 is arranged below the floor drain plate 5, a second fan set 7 facing the floor drain plate 5 is arranged on one side of the water tank 6, the second fan set 7 sucks air in the air inlet partition plate 3 into the water tank 6, one end of the water tank 6 is high and the other end is low and is arranged under the ground, the lower end of the water tank 6 is connected with a reservoir 8, the high end of the water tank 6 is provided with a, wherein the water in the reservoir 8 is pumped into the heating chamber 9 by the water pump 11 to be heated, so that the hot water flows into the reservoir 8 along the water tank 6, and in the flowing process of the hot water, the air above the air inlet partition plate 3 is liquefied and attached to dust in the air, and falls into the water tank 6 under the action of gravity and the second fan group 7. The depth of the heating chamber 9 is greater than that of the water tank 6, and the heating chamber 9 is used for hot water flowing out of the heat storage exchanger 12. And a suction pump 11 is installed outside the heating chamber 9.
In the present embodiment, the heating chamber 9 functions to store water to some extent, and since the water in the heating chamber 9 is directly supplied from the heat exchanger 12, the hot water that does not flow out of the water storage in the heating chamber 9 is radiated too quickly. The temperature of the water in the water tank 6 can be secured to some extent.
In one embodiment, as shown in FIG. 6.
In the environment-friendly regeneration system of the mixing station provided by the embodiment, the mixing station comprises a dosing machine 15, a conveyer belt 16 is arranged at the bottom of the dosing machine 15, and a charging chute 17 on the ground 2 is arranged at the end part of the conveyer belt 16; the mixing station also comprises a mixing station main body 18, a lifting belt 19 is connected between the mixing station main body 18 and the conveyer belt 16, and the lower end part of the lifting belt 19 is embedded into the charging chute 17. Besides, the dosing machine 15 and the mixing station main body 18 are close to the air inlet partition plate 3.
In this embodiment, the material falling from the batching machine 15 is transported by the conveyor belt 16 and falls into the chute 17, where the chute 17 is the starting point of the lifting belt 19. After being transported by the lifting belt 19, the raw material is lifted to the stirring station main body 18.
The above-described embodiments further explain the object, technical means, and advantageous effects of the present invention in detail. It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the invention, may occur to those skilled in the art and are intended to be included within the scope of the invention.
Claims (9)
1. The environment-friendly regeneration system of the mixing station is characterized by comprising a wall plate (1) and a ground (2) which enclose the mixing station into a closed chamber, wherein an air inlet partition plate (3) with a wide upper part and a narrow lower part is arranged on the wall plate (1), the bottom of the air inlet partition plate (3) is arranged on the ground (2), a first fan set (4) is arranged in the top of the air inlet partition plate (3), indoor air is sucked into the air inlet partition plate (3) by the first fan set (4), a floor drain plate (5) is arranged in the bottom of the air inlet partition plate (3), a water tank (6) is arranged below the floor drain plate (5), a second fan set (7) facing the floor drain plate (5) is arranged on one side of the water tank (6), air in the air inlet partition plate (3) is sucked into the water tank (6) by the second fan set (7), one end of the water tank (6) is higher than the other end and is arranged underground, the low end of basin (6) is connected with cistern (8), the high-end of basin (6) is equipped with heating chamber (9), cistern (8) are connected through water pipe (10) heating chamber (9), be equipped with suction pump (11) on water pipe (10), be equipped with heat exchanger (12) in heating chamber (9), wherein suction pump (11) are heated in pumping cistern (8) interior water to heating chamber (9), make hot water along basin (6) refluence to in cistern (8), at the in-process that hot water flows, on the air liquefaction of upper side and the dust of attached to in the air in air baffle (3), at gravity with the effect of second fan group (7) falls down in basin (6).
2. The eco-friendly regeneration system of a mixing station according to claim 1, wherein a space is provided between the floor drain (5) and the water tank (6), a filter (13) is connected to one side of the floor drain (5) and one side of the water tank (6), and the filter (13) is located in the space and separates the floor drain (5) and the second fan set (7).
3. Eco-friendly regeneration system for mixing stations, according to claim 2, characterised in that said first fan group (4) comprises a first mounting plate (41) and a plurality of first side by side fans (42) provided on said first mounting plate (41), said first mounting plate (41) being provided in the top of said air intake baffle (3).
4. The eco-friendly regeneration system for a mixing station according to claim 3, wherein the second fan unit (7) comprises a second mounting plate (72) and a plurality of second fans (71) arranged side by side on the second mounting plate (72), the second mounting plate (72) being arranged at one side of the water tank (6).
5. Eco-friendly regeneration system for mixing plant according to claim 1, characterised in that the depth of the heating chamber (9) is greater than the depth of the tank (6), the heating chamber (9) being used to store the hot water flowing out of the heat exchanger (12).
6. Eco-friendly regeneration system for mixing stations, according to claim 5, characterized in that said suction pump (11) is mounted outside said heating chamber (9).
7. The environment-friendly regeneration system of the mixing station as recited in claim 1, wherein the top of the air inlet partition (3) extends into the room, the air inlet partition (3) is provided with a vertical air inlet hole (14), and the air inlet hole (14) extends from the top of the air inlet partition (3) to the bottom of the air inlet partition (3).
8. The eco-friendly recycling system of a mixing station according to claim 1, wherein the mixing station comprises a dosing machine (15), a conveyor belt (16) is arranged at the bottom of the dosing machine (15), and a blanking groove (17) on the ground (2) is arranged at the end of the conveyor belt (16); the mixing station further comprises a mixing station main body (18), a lifting belt (19) is connected between the mixing station main body (18) and the conveying belt (16), and the lower end of the lifting belt (19) is embedded into the charging chute (17).
9. Eco-friendly recycling system for mixing stations according to claim 8, characterized in that the dosing machine (15), the mixing station body (18) are located close to the air intake partition (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685247.7A CN111790227B (en) | 2020-07-16 | 2020-07-16 | Environment-friendly regeneration system of mixing plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010685247.7A CN111790227B (en) | 2020-07-16 | 2020-07-16 | Environment-friendly regeneration system of mixing plant |
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| CN111790227A true CN111790227A (en) | 2020-10-20 |
| CN111790227B CN111790227B (en) | 2021-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010685247.7A Active CN111790227B (en) | 2020-07-16 | 2020-07-16 | Environment-friendly regeneration system of mixing plant |
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| FR2082176A5 (en) * | 1970-03-05 | 1971-12-10 | Prorea | Gas scrubber - contacting gas and spray-mist splashed up by agitators |
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| CN104906892A (en) * | 2015-04-29 | 2015-09-16 | 浙江触捷光电科技有限公司 | Dust-free workshop |
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| CN108656361A (en) * | 2018-04-26 | 2018-10-16 | 北京安捷鑫德混凝土有限公司 | Concrete mixing plant |
| CN209363245U (en) * | 2019-01-14 | 2019-09-10 | 北京世安莱博实验室科技有限公司 | A kind of anti-backflow Environmental-protective ventilating cabinet |
| CN110774146A (en) * | 2019-12-03 | 2020-02-11 | 安徽正义研磨环保科技有限公司 | Sealed polishing room |
| CN210907332U (en) * | 2019-04-30 | 2020-07-03 | 扬州莱铂瑞实验设备有限公司 | Air supplementing and guiding device for ventilation cabinet |
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2020
- 2020-07-16 CN CN202010685247.7A patent/CN111790227B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2082176A5 (en) * | 1970-03-05 | 1971-12-10 | Prorea | Gas scrubber - contacting gas and spray-mist splashed up by agitators |
| CN201070563Y (en) * | 2007-07-30 | 2008-06-11 | 中天建设集团有限公司 | Dust atmosphere air purifier |
| CN104906892A (en) * | 2015-04-29 | 2015-09-16 | 浙江触捷光电科技有限公司 | Dust-free workshop |
| CN105944472A (en) * | 2016-06-28 | 2016-09-21 | 宁波市鄞州立成涂装设备有限公司 | Waste gas recycling method for spraying and coating line |
| CN108656361A (en) * | 2018-04-26 | 2018-10-16 | 北京安捷鑫德混凝土有限公司 | Concrete mixing plant |
| CN209363245U (en) * | 2019-01-14 | 2019-09-10 | 北京世安莱博实验室科技有限公司 | A kind of anti-backflow Environmental-protective ventilating cabinet |
| CN210907332U (en) * | 2019-04-30 | 2020-07-03 | 扬州莱铂瑞实验设备有限公司 | Air supplementing and guiding device for ventilation cabinet |
| CN110774146A (en) * | 2019-12-03 | 2020-02-11 | 安徽正义研磨环保科技有限公司 | Sealed polishing room |
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| CN111790227B (en) | 2021-06-01 |
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Address after: 350314 Yuanhong investment zone, Fuzhou City, Fujian Province Applicant after: Fujian Hongsheng Material Technology Co.,Ltd. Address before: 350314 Yuanhong investment zone, Fuzhou City, Fujian Province Applicant before: FUZHOU HONG SHENG BUILDING MATERIAL Co.,Ltd. |
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