CN111659207A - Exhaust device for industrial production - Google Patents
Exhaust device for industrial production Download PDFInfo
- Publication number
- CN111659207A CN111659207A CN202010531337.0A CN202010531337A CN111659207A CN 111659207 A CN111659207 A CN 111659207A CN 202010531337 A CN202010531337 A CN 202010531337A CN 111659207 A CN111659207 A CN 111659207A
- Authority
- CN
- China
- Prior art keywords
- box
- box body
- pipe
- industrial production
- exhaust device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- B01D47/12—Washers with plural different washing sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of exhaust devices and discloses an exhaust device for industrial production, which comprises a circular cover and a box body, wherein a soundproof cotton ring is paved inside the circular cover, a mounting ring is fixedly sleeved inside the soundproof cotton ring, and an exhaust mechanism is arranged inside the mounting ring; one side of the circular cover is provided with an air inlet assembly, the other side of the circular cover is fixedly communicated with a receiving hopper, and an air outlet end of the receiving hopper is communicated with the box body through a communicating pipe; the bottom fixed mounting of case one side has the drain pipe, and fixed mounting has the valve on the drain pipe, the top fixed mounting of box has the water pump. Noise reduction treatment is carried out on noise generated by the driving motor and the fan blade by arranging the soundproof cotton ring, and meanwhile, the vibration of the driving motor is buffered by the soundproof cotton ring, so that the damage to the driving motor is reduced; the sucked gas is introduced into the box body to be subjected to gas washing treatment, so that the cleanness of the discharged air is further improved, and the human health is protected.
Description
Technical Field
The invention relates to the field of exhaust devices, in particular to an exhaust device for industrial production.
Background
The industrial production index is an index of physical quantity of industrial products compiled by weighted arithmetic mean, is an index which is commonly used for calculating and reflecting the development speed of the industry in western countries and is a preferred index of scene analysis, the industrial production index is a relative index which measures the substantial output of manufacturing industry, mining industry and public industry, the basis of measurement is quantity rather than sum, the index reflects the scene condition and the development trend of industrial economy in a certain period, and like other relative indexes, when the industrial production index is used, the comparability of data must be paid attention, and the index must be combined with an absolute index for use, so that the problem can be objectively and comprehensively explained.
In industrial production, dust is inevitably generated and attached to the air, an exhaust device is usually adopted to exhaust dust gas out of a factory area and directly exhaust the dust gas out of the factory area to pollute the surrounding environment, meanwhile, the existing exhaust device is usually a fan arranged at an air outlet, the fan vibrates to generate noise, an operator is in the noise for a long time and harms the hearing health, and the fan is stably connected with the air outlet through a support and generates rigid vibration when in use, so that the fan is easy to be damaged.
In order to solve the problems, the application provides an exhaust device for industrial production.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides an exhaust device for industrial production, noise reduction treatment is carried out on noise generated by using a driving motor and fan blades by arranging a soundproof cotton ring, and meanwhile, the vibration of the driving motor is buffered by the soundproof cotton ring, so that the damage to the driving motor is reduced; the sucked gas is introduced into the box body to be subjected to gas washing treatment, so that the cleanness of the discharged air is further improved, and the human health is protected.
(II) technical scheme
In order to solve the problems, the invention provides an exhaust device for industrial production, which comprises a circular cover and a box body, wherein a soundproof cotton ring is paved inside the circular cover, a mounting ring is fixedly sleeved inside the soundproof cotton ring, and an exhaust mechanism is arranged inside the mounting ring;
one side of the circular cover is provided with an air inlet assembly, the other side of the circular cover is fixedly communicated with a receiving hopper, and an air outlet end of the receiving hopper is communicated with the box body through a communicating pipe;
a drain pipe is fixedly arranged at the bottom of one side of the box, a valve is fixedly arranged on the drain pipe, a water pump is fixedly arranged at the top of the box, a liquid inlet of the water pump is fixedly communicated with the bottom of one side of the box through a liquid inlet pipe, a liquid outlet pipe is fixedly communicated with a liquid outlet of the water pump, a gas outlet end of the liquid outlet pipe extends into the box, and a spraying assembly is arranged at a liquid outlet end of the liquid outlet pipe;
the inside one side fixed mounting of box has the division board, the opening has been seted up to one side that the box top is close to the water pump, opening department sets up filtering component.
Preferably, the exhaust mechanism comprises an installation rod, a driving motor and fan blades, the driving motor is fixedly connected with the inner wall of the installation ring through the installation rod, and the fan blades are fixedly sleeved on a driving shaft of the driving motor.
Preferably, the air inlet assembly consists of a fan housing, an air inlet pipe and a connecting cover, the fan housing is fixedly communicated with the connecting cover through the air inlet pipe, and the connecting cover is fixedly communicated with the round cover.
Preferably, the inside of box is equipped with liquid water, the gas outlet end of communicating pipe stretches into the inside of box to submerge in liquid water.
Preferably, spray set comprises shower nozzle, shunt tubes and baffle, shunt tubes fixed mounting is in the inside of box, the shower nozzle is installed on the shunt tubes, and shower nozzle and shunt tubes intercommunication, baffle fixed mounting is on the shower nozzle, and the front of baffle and the back all with the inner wall fixed connection of box.
Preferably, filtering component comprises uncovered box and filter screen, form the opening from top to bottom of uncovered box, uncovered box is placed in box through-hole department, the fixed suit of filter screen is at the top of uncovered box.
Preferably, the two sides of the bottom of the open box are fixedly provided with positioning rods, and the bottom ends of the positioning rods extend into the box body and are connected with the box body in a sliding mode.
Preferably, the number of the spray heads is multiple, and the multiple spray heads are distributed at equal intervals between every two adjacent spray heads.
Preferably, the air inlet side of the mounting ring is fixedly provided with a limiting plate, and the outer wall of the limiting plate is respectively connected with the soundproof cotton ring and the round cover in a sliding manner.
The technical scheme of the invention has the following beneficial technical effects:
the method comprises the steps that a fan cover is installed above a position where dust is generated in a factory area, a driving motor is started to drive fan blades to rotate, the generated dust is extracted through the fan cover, the dust enters the interior of a box body along with gas through a communicating pipe and enters liquid water inside the box body, the dust is attached to the liquid water, a water pump is started to extract the liquid water inside the box body, the liquid water enters the inside of a flow dividing pipe through a liquid inlet pipe and a liquid outlet pipe, the gas and the dust discharged from the communicating pipe are sprayed again through a spray head to reduce dust, and the gas is discharged from the box body through a filter screen, so that a double-layer purification effect is; the soundproof cotton circle cushions the shock attenuation to the vibrations of driving motor and production to reduce the damage that hard vibrations caused when driving motor fixed mounting in the past, absorb the noise that produces simultaneously, reduce the noise to operating personnel's around influence, and then played the healthy effect of protection human hearing.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust device for industrial production according to the present invention.
Fig. 2 is a schematic partial structure diagram of an exhaust device for industrial production according to the present invention.
Fig. 3 is a schematic view of the internal structure of a box body in an exhaust device for industrial production.
Reference numerals: 1. a circular cover; 2. a sound insulation cotton ring; 3. installing a ring; 4. an air exhaust mechanism; 41. mounting a rod; 42. a drive motor; 43. a fan blade; 5. an air intake assembly; 51. a fan housing; 52. an air inlet pipe; 53. a connecting cover; 6. a receiving hopper; 7. a box body; 8. a communicating pipe; 9. a water pump; 10. a liquid inlet pipe; 11. a liquid outlet pipe; 12. a spray assembly; 121. a spray head; 122. a shunt tube; 123. a baffle plate; 13. a partition plate; 14. a filter assembly; 141. an open box; 142. filtering with a screen; 15. positioning a rod; 16. and a limiting plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the exhaust device for industrial production provided by the invention comprises a circular cover 1 and a box body 7, wherein a soundproof cotton ring 2 is laid inside the circular cover 1, a mounting ring 3 is fixedly sleeved inside the soundproof cotton ring 2, and an exhaust mechanism 4 is arranged inside the mounting ring 3;
one side of the circular cover 1 is provided with an air inlet component 5, the other side of the circular cover 1 is fixedly communicated with a receiving hopper 6, and the air outlet end of the receiving hopper 6 is communicated with a box body 7 through a communicating pipe 8;
a drain pipe is fixedly installed at the bottom of one side of the box 7, a valve is fixedly installed on the drain pipe, a water pump 9 is fixedly installed at the top of the box 7, a liquid inlet of the water pump 9 is fixedly communicated with the bottom of one side of the box 7 through a liquid inlet pipe 10, a liquid outlet of the water pump 9 is fixedly communicated with a liquid outlet pipe 11, a gas outlet end of the liquid outlet pipe 11 extends into the box 7, and a liquid outlet end of the liquid outlet pipe 11 is provided with a spraying assembly 12;
a partition plate 13 is fixedly mounted on one side of the interior of the box body 1, a through hole is formed in one side, close to the water pump 9, of the top of the box body 7, and a filtering component 14 is arranged at the through hole.
In an alternative embodiment, the exhaust mechanism 4 is composed of a mounting rod 41, a driving motor 42 and fan blades 43, the driving motor 42 is fixedly connected with the inner wall of the mounting ring 3 through the mounting rod 41, and the fan blades 43 are fixedly sleeved on a driving shaft of the driving motor 42.
In an alternative embodiment, the air inlet assembly 5 is composed of a fan housing 51, an air inlet pipe 52 and a connecting cover 53, wherein the fan housing 51 is fixedly communicated with the connecting cover 53 through the air inlet pipe 52, and the connecting cover 53 is fixedly communicated with the circular cover 1.
In an alternative embodiment, the interior of the box 7 contains liquid water, the air outlet end of the communicating pipe 8 extends into the interior of the box 7 and is submerged in the liquid water, and the air discharged from the air outlet end of the communicating pipe 8 and accompanying dust are contacted with the liquid water, so that the dust is mixed in the liquid water for dust settling treatment.
In an alternative embodiment, the spraying assembly 12 is composed of a spraying head 121, a shunt pipe 122 and a baffle 123, the shunt pipe 122 is fixedly installed inside the box body 7, the spraying head 121 is installed on the shunt pipe 122, the spraying head 121 is communicated with the shunt pipe 122, the baffle 123 is fixedly installed on the spraying head 121, and the front surface and the back surface of the baffle 123 are fixedly connected with the inner wall of the box body 7.
In an alternative embodiment, the filtering assembly 14 is composed of an open box 141 and a filter screen 142, the open box 141 is opened at the upper and lower sides, the open box 141 is placed at the through opening of the box 7, and the filter screen 142 is fixedly sleeved on the top of the open box 141.
In an optional embodiment, the locating lever 15 is fixedly mounted on both sides of the bottom of the open box 141, the bottom end of the locating lever 15 extends into the inside of the box body 7 and is connected with the box body 7 in a sliding manner, the locating lever 15 is used for limiting the position of the open box 141 in the horizontal direction on the box body 7, and when the filter screen 142 is cleaned, the open box 141 is moved above the vertical direction to drive the locating lever 15 to be separated from the box body 7, so that the convenience in detachment is achieved, and the box is cleaned.
In an optional embodiment, the number of the spray heads 121 is multiple, and the multiple spray heads 121 are distributed at equal intervals between every two adjacent spray heads 121, so that the extracted gas and accompanying dust are sprayed by arranging the multiple spray heads 121, and the spraying effect is improved.
In an optional embodiment, a limiting plate 16 is fixedly mounted on the air inlet side of the mounting ring 3, the outer wall of the limiting plate 16 is respectively connected with the soundproof cotton ring 2 and the round cover 1 in a sliding manner, and under the action of the limiting plate 16, the use position of the round cover 1 is limited, so that the mounting ring 3 is prevented from moving backwards, and the use position of the mounting ring 3 is stable.
In the invention, a fan cover 51 is arranged above a place where dust is generated in a factory area, a driving motor 42 is started to drive a fan blade 43 to rotate, the generated dust is extracted through the fan cover 51, the dust enters the interior of a box body 7 along with gas through a communicating pipe 8 and enters liquid water in the interior of the box body 7, the dust is attached to the liquid water, a water pump 9 is started to extract the liquid water in the interior of the box body 7 and enters the interior of a shunt pipe 122 through a liquid inlet pipe 10 and a liquid outlet pipe 11, dust fall treatment is carried out on the gas and the dust exhausted from the communicating pipe 8 through spraying of a spray head 121, and the gas is exhausted from the box body 7 through a filter screen 142, so that a double-layer purification; the soundproof cotton ring 2 buffers and dampens the driving motor 42 and the generated vibration so as to reduce the damage caused by the rigid vibration when the driving motor 42 is fixedly installed in the past, and simultaneously absorbs the generated noise so as to reduce the influence of the noise on surrounding operators, thereby achieving the effect of protecting the hearing health of human bodies; the waste water generated in the box body 7 is discharged by the drain pipe by opening the valve, so that the box body is convenient to replace and use again.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. The utility model provides an exhaust device for industrial production, includes dome (1) and box (7), its characterized in that: a soundproof cotton ring (2) is laid in the round cover (1), a mounting ring (3) is fixedly sleeved in the soundproof cotton ring (2), and an air exhaust mechanism (4) is arranged in the mounting ring (3);
an air inlet assembly (5) is arranged on one side of the circular cover (1), a receiving hopper (6) is fixedly communicated with the other side of the circular cover (1), and an air outlet end of the receiving hopper (6) is communicated with a box body (7) through a communicating pipe (8);
a drain pipe is fixedly installed at the bottom of one side of the box (7), a valve is fixedly installed on the drain pipe, a water pump (9) is fixedly installed at the top of the box (7), a liquid inlet of the water pump (9) is fixedly communicated with the bottom of one side of the box (7) through a liquid inlet pipe (10), a liquid outlet of the water pump (9) is fixedly communicated with a liquid outlet pipe (11), a gas outlet end of the liquid outlet pipe (11) extends into the box (7), and a liquid outlet end of the liquid outlet pipe (11) is provided with a spraying assembly (12);
the water pump box is characterized in that a partition plate (13) is fixedly mounted on one side of the interior of the box body (1), a through opening is formed in one side, close to the water pump (9), of the top of the box body (7), and a filtering assembly (14) is arranged at the through opening.
2. The exhaust device for industrial production according to claim 1, wherein the exhaust mechanism (4) is composed of a mounting rod (41), a driving motor (42) and fan blades (43), the driving motor (42) is fixedly connected with the inner wall of the mounting ring (3) through the mounting rod (41), and the fan blades (43) are fixedly sleeved on the driving shaft of the driving motor (42).
3. An exhaust device for industrial production according to claim 1, characterized in that the air intake assembly (5) is composed of a fan housing (51), an air intake pipe (52) and a connecting cover (53), the fan housing (51) is fixedly communicated with the connecting cover (53) through the air intake pipe (52), and the connecting cover (53) is fixedly communicated with the circular cover (1).
4. An exhaust device for industrial production according to claim 1, wherein the interior of the box body (7) is filled with liquid water, and the air outlet end of the communicating pipe (8) extends into the interior of the box body (7) and is submerged in the liquid water.
5. The exhaust device for industrial production according to claim 1, wherein the spray assembly (12) is composed of a spray head (121), a shunt pipe (122) and a baffle (123), the shunt pipe (122) is fixedly installed inside the box body (7), the spray head (121) is installed on the shunt pipe (122), the spray head (121) is communicated with the shunt pipe (122), the baffle (123) is fixedly installed on the spray head (121), and the front surface and the back surface of the baffle (123) are fixedly connected with the inner wall of the box body (7).
6. The exhaust device for industrial production according to claim 1, wherein the filtering component (14) is composed of an open box (141) and a filtering net (142), the open box (141) is opened up and down, the open box (141) is placed at the opening of the box body (7), and the filtering net (142) is fixedly sleeved on the top of the open box (141).
7. The exhaust device for industrial production according to claim 6, wherein positioning rods (15) are fixedly mounted on both sides of the bottom of the open box (141), and the bottom ends of the positioning rods (15) extend into the box body (7) and are slidably connected with the box body (7).
8. The exhaust device for industrial production according to claim 5, wherein the number of the spray heads (121) is multiple, and the multiple spray heads (121) are distributed at equal intervals between every two adjacent spray heads.
9. An exhaust device for industrial production according to claim 1, wherein a limiting plate (16) is fixedly installed at the air inlet side of the installation ring (3), and the outer wall of the limiting plate (16) is respectively connected with the soundproof cotton ring (2) and the circular cover (1) in a sliding manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531337.0A CN111659207A (en) | 2020-06-11 | 2020-06-11 | Exhaust device for industrial production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010531337.0A CN111659207A (en) | 2020-06-11 | 2020-06-11 | Exhaust device for industrial production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111659207A true CN111659207A (en) | 2020-09-15 |
Family
ID=72386715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010531337.0A Pending CN111659207A (en) | 2020-06-11 | 2020-06-11 | Exhaust device for industrial production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111659207A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206688407U (en) * | 2017-04-11 | 2017-12-01 | 山东协和学院 | A kind of air processor with noise reduction function |
| CN209222474U (en) * | 2018-11-26 | 2019-08-09 | 山东天造环保工程有限公司 | A kind of spray painting room waste gas circulation processing system |
| CN209317346U (en) * | 2018-12-03 | 2019-08-30 | 河北欣川环保设备制造有限公司 | A kind of features simple structure type deduster |
| CN209564746U (en) * | 2018-12-14 | 2019-11-01 | 漳浦明能光电科技有限公司 | A kind of electronic component processing workshop dust-extraction unit |
| CN209696601U (en) * | 2019-03-14 | 2019-11-29 | 褚可成 | A kind of atmosphere controlling device |
| CN209838722U (en) * | 2019-04-12 | 2019-12-24 | 河南朗迪叶轮机械有限公司 | Centrifugal air supply device |
| CN209976615U (en) * | 2019-05-14 | 2020-01-21 | 全椒县全动机械有限公司 | Fan wind-protecting ring of diesel engine |
| CN210385282U (en) * | 2019-06-09 | 2020-04-24 | 林东明 | Automatic efficient intelligence house air dust collecting equipment |
| CN210402238U (en) * | 2019-11-21 | 2020-04-24 | 湖南信息职业技术学院 | Computer fan fixed baseplate capable of preventing dust and noise |
| CN210461189U (en) * | 2019-07-08 | 2020-05-05 | 武汉高新鼓风机制造有限公司 | Gradual change noise reduction device for air blower |
| CN210623160U (en) * | 2019-10-25 | 2020-05-26 | 弋阳县宏田金属制品有限公司 | Fan for dust removal with function of making an uproar is fallen |
| CN210676306U (en) * | 2019-10-15 | 2020-06-05 | 江西宇波实业有限公司 | Energy-saving low-noise directional dust collector |
-
2020
- 2020-06-11 CN CN202010531337.0A patent/CN111659207A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206688407U (en) * | 2017-04-11 | 2017-12-01 | 山东协和学院 | A kind of air processor with noise reduction function |
| CN209222474U (en) * | 2018-11-26 | 2019-08-09 | 山东天造环保工程有限公司 | A kind of spray painting room waste gas circulation processing system |
| CN209317346U (en) * | 2018-12-03 | 2019-08-30 | 河北欣川环保设备制造有限公司 | A kind of features simple structure type deduster |
| CN209564746U (en) * | 2018-12-14 | 2019-11-01 | 漳浦明能光电科技有限公司 | A kind of electronic component processing workshop dust-extraction unit |
| CN209696601U (en) * | 2019-03-14 | 2019-11-29 | 褚可成 | A kind of atmosphere controlling device |
| CN209838722U (en) * | 2019-04-12 | 2019-12-24 | 河南朗迪叶轮机械有限公司 | Centrifugal air supply device |
| CN209976615U (en) * | 2019-05-14 | 2020-01-21 | 全椒县全动机械有限公司 | Fan wind-protecting ring of diesel engine |
| CN210385282U (en) * | 2019-06-09 | 2020-04-24 | 林东明 | Automatic efficient intelligence house air dust collecting equipment |
| CN210461189U (en) * | 2019-07-08 | 2020-05-05 | 武汉高新鼓风机制造有限公司 | Gradual change noise reduction device for air blower |
| CN210676306U (en) * | 2019-10-15 | 2020-06-05 | 江西宇波实业有限公司 | Energy-saving low-noise directional dust collector |
| CN210623160U (en) * | 2019-10-25 | 2020-05-26 | 弋阳县宏田金属制品有限公司 | Fan for dust removal with function of making an uproar is fallen |
| CN210402238U (en) * | 2019-11-21 | 2020-04-24 | 湖南信息职业技术学院 | Computer fan fixed baseplate capable of preventing dust and noise |
Non-Patent Citations (1)
| Title |
|---|
| 侯晓虹: "《普通高等院校环境科学与工程类系列规划教材 环境污染物分析》", 31 January 2017 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110397343B (en) | Composite movable sound barrier board with self-cleaning function and assembly thereof | |
| CN210829484U (en) | Diesel generating set convenient to inside clearance | |
| CN111659207A (en) | Exhaust device for industrial production | |
| CN214094792U (en) | Ventilation equipment with clean function | |
| CN106438504B (en) | Road cleaner | |
| CN108838175B (en) | Pipeline sweeps silencing device | |
| CN201428610Y (en) | Telescopiform vertical-type built-in air-intake filter muffler for Routs blower | |
| CN219355614U (en) | VOCs exhaust-gas treatment machine | |
| CN110215789A (en) | Workshop environmental protection dust collecting equipment | |
| CN207610434U (en) | A kind of net for air-source heat pump units durable type noise reduction shroud | |
| CN207865585U (en) | A kind of air purifier increasing intake | |
| CN216342672U (en) | Air outlet silencer | |
| CN216170716U (en) | Noise-reduction pulse type cloth bag dust remover | |
| CN205825165U (en) | Lampblack separation module for range hood and range hood | |
| CN211070591U (en) | Water rotating type paint mist treatment equipment | |
| CN218178925U (en) | Ash handling equipment of biomass boiler | |
| CN219043501U (en) | Road sound insulation screen double-sided cleaning vehicle | |
| CN108538278A (en) | A kind of muffler being equipped with filtering dust-separation mechanism | |
| CN219357895U (en) | Dustproof shakeout platform of making an uproar that falls | |
| CN110496480A (en) | Sound-absorbing efficient filter for automobile | |
| CN220933187U (en) | Millimeter wave passive radiation imaging detection device | |
| CN214700895U (en) | Telescopic side-suction integrated stove with noise reduction function | |
| CN213450932U (en) | Fan with noise reduction structure | |
| CN220398634U (en) | Vortex flow air flow sensor | |
| CN221347420U (en) | Fire control smoke exhaust fan export silencing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200915 |