CN215539151U - A dust removal device for perlite sand making that is easy to clean - Google Patents

A dust removal device for perlite sand making that is easy to clean Download PDF

Info

Publication number
CN215539151U
CN215539151U CN202022599504.3U CN202022599504U CN215539151U CN 215539151 U CN215539151 U CN 215539151U CN 202022599504 U CN202022599504 U CN 202022599504U CN 215539151 U CN215539151 U CN 215539151U
Authority
CN
China
Prior art keywords
rotating shaft
support frame
groove
dust removal
screw rod
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.)
Expired - Fee Related
Application number
CN202022599504.3U
Other languages
Chinese (zh)
Inventor
杨黎恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Farrelly New Building Materials Group Co ltd
Original Assignee
Shanghai Farley Building Materials Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanghai Farley Building Materials Co Ltd filed Critical Shanghai Farley Building Materials Co Ltd
Priority to CN202022599504.3U priority Critical patent/CN215539151U/en
Application granted granted Critical
Publication of CN215539151U publication Critical patent/CN215539151U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Separating Particles In Gases By Inertia (AREA)

Abstract

本实用新型公开了一种便于清理的珍珠岩制砂用除尘装置,包括装置外壳和通风口,所述装置外壳的内表面下端固定连接有支撑架,且支撑架上表面轴承连接带叶片螺旋杆的下端,所述带叶片螺旋杆的上端贯穿固定板的上下表面设置,且固定板固定连接于装置外壳的内表面,所述装置外壳的内表面设置有环形导槽,且装置外壳的内侧设置有滑动连接于环形导槽的旋板,所述带叶片螺旋杆的上端贯穿旋板的上下表面设置,且旋板的下表面与固定板的上表面接触连接。该便于清理的珍珠岩制砂用除尘装置能便于收集灰尘,便于有效的分离出洁净的空气和灰尘颗粒,便于清洗整个装置的内部,保证除尘装置的稳定工作和内部清洁。

Figure 202022599504

The utility model discloses a dust removal device for perlite sand making, which is convenient for cleaning, comprising a device casing and a ventilation port. A support frame is fixedly connected to the lower end of the inner surface of the device casing, and a bearing on the upper surface of the support frame is connected to a bladed screw rod. The upper end of the bladed screw rod is arranged through the upper and lower surfaces of the fixing plate, and the fixing plate is fixedly connected to the inner surface of the device shell, the inner surface of the device shell is provided with an annular guide groove, and the inner side of the device shell is provided with There is a rotating plate slidably connected to the annular guide groove, the upper end of the bladed screw rod is arranged through the upper and lower surfaces of the rotating plate, and the lower surface of the rotating plate is in contact with the upper surface of the fixing plate. The easy-to-clean dust removal device for perlite sand making can easily collect dust, facilitate effective separation of clean air and dust particles, facilitate cleaning of the interior of the entire device, and ensure stable operation and internal cleaning of the dust removal device.

Figure 202022599504

Description

Pearlite system dust collector for sand convenient to clearance
Technical Field
The utility model relates to the technical field of dust removal devices, in particular to a perlite sand making dust removal device convenient to clean.
Background
The dust removal device is a filter device used for cleaning dust, and the problem of pollution to clean air is effectively avoided when the dust removal device is used.
But current dust collector is not convenient for concentrate the recovery dust to the device is not convenient for clear up, thereby leads to the dust not to have effectual separation impurity, makes environmental pollution more and more serious, and further secondary harm is healthy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a conveniently-cleaned dust removal device for perlite sand production, and aims to solve the problem that the conventional conveniently-cleaned dust removal device for perlite sand production is inconvenient to clean in the background art.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a pearlite system dust collector for sand convenient to clearance, includes device shell and vent, the internal surface lower extreme fixedly connected with support frame of device shell, and the support frame upper surface bearing connects the lower extreme of band blade hob, the upper end of taking the blade hob runs through the upper and lower surface setting of fixed plate, and fixed plate fixed connection is in the internal surface of device shell, the internal surface of device shell is provided with the annular guide slot, and the inboard of device shell is provided with sliding connection in the spiral plate of annular guide slot, the upper end of taking the blade hob runs through the upper and lower surface setting of spiral plate, and the lower surface of spiral plate is connected with the upper surface contact of fixed plate, it is provided with the motor to take the blade hob to run through the top surface that stretches into irregular inslot portion, take the blade hob to run through the top outside fixedly connected with second gear that stretches into irregular inslot portion, and the second gear is engaged and connected with a first gear, the first gear is fixedly connected with the outer side of the first rotating shaft end, the lower end of the first rotating shaft penetrates through the upper surface and the lower surface of the fixed block and is arranged, the lower end of the first rotating shaft is connected with the inner surface of the fixed block through a circular through groove bearing, the circular through groove penetrates through the upper surface and the lower surface of the fixed block and is arranged, the lower surface of the fixed block is arranged on the inner bottom surface of the irregular groove, the lower surface of the first rotating shaft penetrates through the irregular groove and extends into the square groove, the lower bottom end of the first rotating shaft is connected with the inner bottom surface of the square groove through a bearing, the lower end of the first rotating shaft is connected with one end of the second rotating shaft through a worm gear mechanism, the surface of the other end of the second rotating shaft is provided with a wind blade, one side bearing of the second rotating shaft is connected with the inner surface of the square groove, and the other side of the second rotating shaft is connected with an interlayer of the device shell, the vent runs through the internal surface of device shell to the internal surface of square groove, the internal surface of device shell runs through the vent and is provided with the filter core, and the upper end opposite side surface of device shell is provided with into dirt mouth.
Preferably, the whole horizontal inclination of device shell is 45 °, device shell lower extreme is provided with the clean gas export, and the clean gas export setting is between support frame and fixed plate, the clean gas export setting is in the one side that is close to the support frame, and clean gas export opening direction is down.
Preferably, the lower part of the device shell is in an inverted round table shape, and the dust outlet is arranged on the bottom surface of the device shell.
Preferably, the support frame contains a support frame and a hollow hole, and the hollow hole runs through the upper and lower surface setting of support frame, take blade screw lower surface bearing to connect in the upper surface of support frame, and the support frame sets up in the inboard of device shell.
Preferably, the spiral rod with the blades is connected with the fixed plate through a bearing, and the spiral rod with the blades is fixedly connected with the rotary plate.
Preferably, the first gear is provided with three-quarter teeth continuously, and the rotary plate and the fixed plate are three-quarter circular plates in shape.
Compared with the prior art, the utility model has the beneficial effects that: this dust collector for pearlite system sand convenient to clearance can be convenient for collect the dust, is convenient for effectual clean air of separation and dust particle, is convenient for wash the inside of whole device, guarantees dust collector's steady job and inside cleanness:
1. the motor drives the second gear to rotate, so that the second gear drives the first gear to rotate, the first rotating shaft is driven by the first gear to rotate, the second rotating shaft is rotated by the first rotating shaft, the wind blade rotates to generate inward-sucking wind, and dust is removed from the inside of the dust inlet entering device.
2. The dust inlet is connected with the water pipe, so that water enters the device, the blade screw rod is rotated, the water is sufficiently washed in the device, and the inside of the device is cleaned by removing sewage through the dust outlet at the bottom end of the device.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of point A of FIG. 1 according to the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic top view of the stand of the present invention;
FIG. 5 is a schematic top view of the rotating plate and the fixed plate according to the present invention.
In the figure: 1. a device housing; 2. a screw rod with blades; 3. a support frame; 301. a support frame; 302. hollowing out holes; 4. an annular guide groove; 5. rotating the plate; 6. a first rotating shaft; 7. an irregular groove; 8. a first gear; 9. a motor; 10. a second gear; 11. a dust inlet; 12. a fixing plate; 13. A square groove; 14. a fixed block; 15. a vent; 16. a second rotating shaft; 17. a wind blade; 18. a filter element; 19. a circular through groove; 20. a worm gear mechanism.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the utility model provides a technical solution: a dust removal device convenient for cleaning and used for perlite sand making comprises a device shell 1, a spiral rod 2 with blades, a support frame 3, a support frame 301, a hollow hole 302, an annular guide groove 4, a spiral plate 5, a first rotating shaft 6, an irregular groove 7, a first gear 8, a motor 9, a second gear 10, a dust inlet 11, a fixing plate 12, a square groove 13, a fixing block 14, a ventilation opening 15, a second rotating shaft 16, a wind blade 17, a filter element 18, a circular through groove 19 and a worm gear mechanism 20, wherein the lower end of the inner surface of the device shell 1 is fixedly connected with the support frame 3, a bearing on the upper surface of the support frame 3 is connected with the lower end of the spiral rod 2 with blades, the upper end of the spiral rod 2 with blades penetrates through the upper surface and the lower surface of the fixing plate 12 to be fixedly connected with the inner surface of the device shell 1, the inner surface of the device shell 1 is provided with the annular guide groove 4, and the inner side of the device shell 1 is provided with the spiral plate 5 connected with the annular guide groove 4 in a sliding manner, the upper end of the spiral rod with blades 2 penetrates through the upper surface and the lower surface of the spiral plate 5, the lower surface of the spiral plate 5 is in contact connection with the upper surface of the fixing plate 12, the spiral rod with blades 2 penetrates through the top surface extending into the irregular groove 7 and is provided with a motor 9, the spiral rod with blades 2 penetrates through the top outer side extending into the irregular groove 7 and is fixedly connected with a second gear 10, the second gear 10 is in meshing connection with a first gear 8, the first gear 8 is fixedly connected with the outer side of the end of the first rotating shaft 6, the lower end of the first rotating shaft 6 penetrates through the upper surface and the lower surface of the fixing block 14, the lower end of the first rotating shaft 6 is connected with the inner surface of the fixing block 14 through a circular through groove 19 bearing, the circular through groove 19 penetrates through the upper surface and the lower surface of the fixing block 14 and is arranged, the lower surface of the fixing block 14 is arranged on the inner bottom surface of the irregular groove 7, and the lower surface of the first rotating shaft 6 penetrates through the irregular groove 7, the lower surface of the first rotating shaft 6 penetrates through the inner part extending into the square groove 13, the lower bottom end of the first rotating shaft 6 is connected to the inner bottom surface of the square groove 13 through a bearing, the lower end of the first rotating shaft 6 is connected with one end of the second rotating shaft 16 through a worm gear mechanism 20, the other end surface of the second rotating shaft 16 is provided with a wind blade 17, one side of the second rotating shaft 16 is connected to the inner surface of the square groove 13 through a bearing, the other side of the second rotating shaft 16 is connected to an interlayer of the device shell 1 through a bearing, the ventilation opening 15 penetrates through the inner surface of the device shell 1 to the inner surface of the square groove 13, the inner surface of the device shell 1 penetrates through the ventilation opening 15 to be provided with a filter element 18, and the outer surface of the other side of the upper end of the device shell 1 is provided with a dust inlet 11.
The whole horizontal inclination of device shell 1 is 45 to device shell 1 lower extreme is provided with the clean gas export, and the clean gas export setting is between support frame 3 and fixed plate 12, and the clean gas export setting is in the one side that is close to support frame 3, and clean gas export opening direction down, the dust that produces when the device better absorption system sand of being convenient for, make clear air smoothly go up from lower discharge, make clear air separate with the dust.
The lower part of the device shell 1 is in an inverted round table shape, and the dust outlet is arranged on the bottom surface of the device shell, so that dust particles processed by the spiral rod with blades 2 can be directly discharged and collected downwards along the device.
Support frame 3 contains support frame 301 and fretwork hole 302, and fretwork hole 302 runs through the upper and lower surface setting of support frame 301 to take 2 lower surface bearing of blade spiral rod to connect in the upper surface of support frame 301, and support frame 301 sets up in the inboard of device shell 1, and support frame 3 can not be along with rotating when 2 rotations of blade spiral rod of being convenient for take, makes the dust granule that 2 processings of blade spiral rod fall down through fretwork hole 302.
Take blade screw 2 to be connected for the bearing with fixed plate 12, and take blade screw 2 and spiral plate 5 to be fixed connection, can be convenient for take blade screw 2 only to drive spiral plate 5 and rotate to just can shelter from in breach department when spiral plate 5 rotates.
The first gear 8 is provided with three-quarters of teeth in succession, and the rotating plate 5 and the fixed plate 12 are shaped as three-quarters of circular plates, so that dust does not flow back through one quarter of the rotating plate 5 and the fixed plate 12 when the first gear 8 is rotated to one quarter.
The working principle is as follows: drive second gear 10 through motor 9 and rotate for second gear 10 drives first gear 8 and rotates, rotates through first gear 8 and drives first pivot 6, makes first pivot 6 let second pivot 16 rotatory, makes wind vane 17 rotate and produces the wind of inside uptake, and when the device removed dust, the accessible was operated as follows:
according to fig. 1 and 2, the motor 9 drives the second gear 10 to rotate, so that the second gear 10 drives the first gear 8 to rotate;
when the first gear 8 rotates to drive the first rotating shaft 6, the first rotating shaft 6 enables the second rotating shaft 16 to rotate, so that the wind blades 17 rotate to generate inward-sucked wind;
finally, the dust enters the device from the dust inlet 11, and is treated by the spiral rod 2 with the blades to obtain clean air and dust particles;
when the dust removal device is cleaned, the adjustment mode is as follows:
according to fig. 1 and 5, water is introduced into the interior of the apparatus by connecting the dust inlet 11 to the water pipe, the water is sufficiently washed in the interior of the apparatus by rotating the screw rod 2 with blades, and the interior cleaning is accomplished by discharging sewage through the dust outlet at the bottom end of the apparatus.
It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the purpose of convenience and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1.一种便于清理的珍珠岩制砂用除尘装置,包括装置外壳(1)和通风口(15),其特征在于:所述装置外壳(1)的内表面下端固定连接有支撑架(3),且支撑架(3)上表面轴承连接带叶片螺旋杆(2)的下端,所述带叶片螺旋杆(2)的上端贯穿固定板(12)的上下表面设置,且固定板(12)固定连接于装置外壳(1)的内表面,所述装置外壳(1)的内表面设置有环形导槽(4),且装置外壳(1)的内侧设置有滑动连接于环形导槽(4)的旋板(5),所述带叶片螺旋杆(2)的上端贯穿旋板(5)的上下表面设置,且旋板(5)的下表面与固定板(12)的上表面接触连接,所述带叶片螺旋杆(2)贯穿伸入至不规则槽(7)内部的顶端表面设置有电机(9),所述带叶片螺旋杆(2)贯穿伸入至不规则槽(7)内部的顶端外侧固定连接有第二齿轮(10),且第二齿轮(10)啮合连接有第一齿轮(8),所述第一齿轮(8)固定连接于第一转轴(6)端的外侧,且第一转轴(6)下端贯穿固定块(14)的上下表面设置,所述第一转轴(6)的下端通过圆形通槽(19)轴承连接于固定块(14)的内表面,且圆形通槽(19)贯穿固定块(14)的上下表面设置,所述固定块(14)下表面设置于不规则槽(7)的内底面,且第一转轴(6)下表面贯穿不规则槽(7)设置,所述第一转轴(6)下表面贯穿伸入至方形槽(13)的内部,且第一转轴(6)下底端轴承连接于方形槽(13)的内底面,所述第一转轴(6)下端通过蜗轮蜗杆机构(20)与第二转轴(16)一端相连接,且第二转轴(16)的另一端表面设置有风叶片(17),所述第二转轴(16)一侧轴承连接于方形槽(13)的内表面,且第二转轴(16)另一侧轴承连接于装置外壳(1)的夹层中,所述通风口(15)贯穿装置外壳(1)的内表面至方形槽(13)的内表面,所述装置外壳(1)的内表面贯穿通风口(15)设置有滤芯(18),且装置外壳(1)的上端另一侧外表面设置有入尘口(11)。1. A dust removal device for perlite sand making that is easy to clean, comprising a device casing (1) and a vent (15), characterized in that: a support frame (3) is fixedly connected to the lower end of the inner surface of the device casing (1). ), and the bearing on the upper surface of the support frame (3) is connected to the lower end of the bladed screw rod (2), the upper end of the bladed screw rod (2) is arranged through the upper and lower surfaces of the fixing plate (12), and the fixing plate (12) It is fixedly connected to the inner surface of the device housing (1), the inner surface of the device housing (1) is provided with an annular guide groove (4), and the inner surface of the device housing (1) is provided with a sliding connection to the annular guide groove (4) The upper and lower surfaces of the rotating plate (5) are arranged through the upper and lower surfaces of the rotating plate (5), and the lower surface of the rotating plate (5) is in contact and connected with the upper surface of the fixed plate (12), A motor (9) is provided on the top end surface of the bladed screw rod (2) that penetrates into the irregular groove (7), and the bladed screw rod (2) penetrates into the irregular groove (7). A second gear (10) is fixedly connected to the outside of the top end of the shaft, and the second gear (10) is meshed with a first gear (8), and the first gear (8) is fixedly connected to the outside of the end of the first shaft (6), And the lower end of the first rotating shaft (6) is arranged through the upper and lower surfaces of the fixing block (14), and the lower end of the first rotating shaft (6) is connected to the inner surface of the fixing block (14) through a circular through groove (19) bearing, and The circular through groove (19) is arranged through the upper and lower surfaces of the fixing block (14), the lower surface of the fixing block (14) is arranged on the inner bottom surface of the irregular groove (7), and the lower surface of the first rotating shaft (6) penetrates through the inner bottom surface of the irregular groove (7). A regular groove (7) is provided, the lower surface of the first rotating shaft (6) penetrates into the interior of the square groove (13), and the lower end bearing of the first rotating shaft (6) is connected to the inner bottom surface of the square groove (13). , the lower end of the first rotating shaft (6) is connected with one end of the second rotating shaft (16) through a worm gear mechanism (20), and the other end surface of the second rotating shaft (16) is provided with a wind blade (17), the One side bearing of the second rotating shaft (16) is connected to the inner surface of the square groove (13), and the other side bearing of the second rotating shaft (16) is connected to the interlayer of the device casing (1), and the vent (15) penetrates the device From the inner surface of the housing (1) to the inner surface of the square groove (13), the inner surface of the device housing (1) is provided with a filter element (18) through the ventilation opening (15), and the upper end of the device housing (1) is provided with a filter element (18). The side outer surface is provided with a dust inlet (11). 2.根据权利要求1所述的一种便于清理的珍珠岩制砂用除尘装置,其特征在于:所述装置外壳(1)的整体水平倾角为45°,所述装置外壳(1)下端设置有洁净气体出口,且洁净气体出口设置在支撑架(3)和固定板(12)之间,所述洁净气体出口设置在靠近支撑架(3)的一侧,且洁净气体出口开口方向朝下。2. The perlite sand-making dust removal device according to claim 1, characterized in that: the overall horizontal inclination angle of the device shell (1) is 45°, and the lower end of the device shell (1) is provided with There is a clean gas outlet, and the clean gas outlet is arranged between the support frame (3) and the fixing plate (12), the clean gas outlet is arranged on the side close to the support frame (3), and the clean gas outlet opening direction is downward . 3.根据权利要求1所述的一种便于清理的珍珠岩制砂用除尘装置,其特征在于:所述装置外壳(1)的下部设置为颠倒的圆台形状,且出尘口设置在其底面。3 . The perlite sand-making dust removal device according to claim 1 , characterized in that: the lower part of the device shell ( 1 ) is set in the shape of an upside-down truncated cone, and the dust outlet is set on its bottom surface. 4 . . 4.根据权利要求1所述的一种便于清理的珍珠岩制砂用除尘装置,其特征在于:所述支撑架(3)包含支撑架框(301)和镂空孔(302),且镂空孔(302)贯穿支撑架框(301)的上下表面设置,所述带叶片螺旋杆(2)下表面轴承连接于支撑架框(301)的上表面,且支撑架框(301)设置于装置外壳(1)的内侧。4 . The perlite sand-making dust removal device according to claim 1 , wherein the support frame ( 3 ) comprises a support frame frame ( 301 ) and a hollow hole ( 302 ), and the hollow hole (302) is arranged through the upper and lower surfaces of the support frame (301), the lower surface bearing of the bladed screw rod (2) is connected to the upper surface of the support frame (301), and the support frame (301) is arranged on the device casing (1) inside. 5.根据权利要求1所述的一种便于清理的珍珠岩制砂用除尘装置,其特征在于:所述带叶片螺旋杆(2)与固定板(12)为轴承连接,且带叶片螺旋杆(2)与旋板(5)为固定连接。5. A dust removal device for perlite sand making that is easy to clean according to claim 1, characterized in that: the bladed screw rod (2) and the fixing plate (12) are connected by bearings, and the bladed screw rod (2) is connected by a bearing. (2) It is fixedly connected with the rotary plate (5). 6.根据权利要求1所述的一种便于清理的珍珠岩制砂用除尘装置,其特征在于:所述第一齿轮设置有连续的四分之三齿牙,且旋板和固定板的形状为四分之三的圆板。6. The perlite sand-making dust removal device that is easy to clean according to claim 1, wherein the first gear is provided with continuous three-quarter teeth, and the shape of the rotating plate and the fixed plate is for a three-quarter circular plate.
CN202022599504.3U 2020-11-12 2020-11-12 A dust removal device for perlite sand making that is easy to clean Expired - Fee Related CN215539151U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022599504.3U CN215539151U (en) 2020-11-12 2020-11-12 A dust removal device for perlite sand making that is easy to clean

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022599504.3U CN215539151U (en) 2020-11-12 2020-11-12 A dust removal device for perlite sand making that is easy to clean

Publications (1)

Publication Number Publication Date
CN215539151U true CN215539151U (en) 2022-01-18

Family

ID=79814851

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022599504.3U Expired - Fee Related CN215539151U (en) 2020-11-12 2020-11-12 A dust removal device for perlite sand making that is easy to clean

Country Status (1)

Country Link
CN (1) CN215539151U (en)

Similar Documents

Publication Publication Date Title
CN215539151U (en) A dust removal device for perlite sand making that is easy to clean
CN215692896U (en) Electric and automatic dust collector that uses thereof
CN213725407U (en) Enamel bathtub production is with fixed point dust collection device
CN211676806U (en) Air purification device in precision casting preparation workshop
CN221155721U (en) Centrifugal sewage treatment device
CN118543181A (en) A dust removal device for mining engineering
CN219897506U (en) Waste gas absorbing device
CN214106254U (en) Multifunctional high-efficiency water type dust remover
CN212081553U (en) Noise reduction's new fan of haze that removes
CN214555852U (en) A computer dust removal nozzle
CN214269068U (en) A dust removal device for chemical fertilizer raw material processing
CN222836958U (en) A device for collecting and treating oil pollution in exhaust pipe
CN210584192U (en) A dust collecting equipment for cement manufacture
CN221359178U (en) Spiral-flow type water curtain exhaust-gas treatment all-in-one
CN219965933U (en) Side suction type dust collection mechanism convenient for suction inlet angle adjustment
CN223307041U (en) Construction dust removal ventilation device
CN216173125U (en) Dust collection device to calcium carbonate grinding
CN221881717U (en) Anti-blocking plasma air purifier
CN221601489U (en) Air filtration equipment for air pollution
CN218530299U (en) Green mine construction is with operation dust collector
CN208652732U (en) A kind of cascade combined apparatus for purifying
CN215374759U (en) Flue gas separation device for environmental protection detection
CN221670921U (en) A closed type sauce frying device
CN215939456U (en) Dust collector for municipal works
CN222585810U (en) High-efficiency filtering device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: Room 1329, No. 7, Lane 3129, Shenzhuan Road, Sheshan Town, Songjiang District, Shanghai, 201600

Patentee after: Shanghai Farrelly New Building Materials Group Co.,Ltd.

Address before: 201600 No.69, Lane 9493, Songjin highway, Chedun Town, Songjiang District, Shanghai

Patentee before: Shanghai Farley building materials Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20220118