CN112108476A - Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace - Google Patents

Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace Download PDF

Info

Publication number
CN112108476A
CN112108476A CN202010954583.7A CN202010954583A CN112108476A CN 112108476 A CN112108476 A CN 112108476A CN 202010954583 A CN202010954583 A CN 202010954583A CN 112108476 A CN112108476 A CN 112108476A
Authority
CN
China
Prior art keywords
fixedly connected
collecting hood
main body
smoke collecting
sides
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
Application number
CN202010954583.7A
Other languages
Chinese (zh)
Inventor
杨大明
易荣瑞
孙杰
李慧
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 Supezet Engineering Technology Co ltd
Jiangsu Zhuoran Intelligent Heavy Industry Co ltd
Original Assignee
Shanghai Supezet Engineering Technology Co ltd
Jiangsu Zhuoran Intelligent Heavy Industry 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 Supezet Engineering Technology Co ltd, Jiangsu Zhuoran Intelligent Heavy Industry Co ltd filed Critical Shanghai Supezet Engineering Technology Co ltd
Priority to CN202010954583.7A priority Critical patent/CN112108476A/en
Publication of CN112108476A publication Critical patent/CN112108476A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/007Fume suction nozzles arranged on a closed or semi-closed surface, e.g. on a circular, ring-shaped or rectangular surface adjacent the area where fumes are produced

Landscapes

  • Ventilation (AREA)

Abstract

The invention relates to the technical field of auxiliary mechanisms, in particular to a modularized butt joint auxiliary mechanism for a convection section smoke collecting hood of a diesel hydrogenation furnace, which comprises a device main body, wherein the device main body comprises a smoke collecting hood main body, a connecting pipe, a base and a hydrogenation furnace main body, the connecting pipe is fixedly connected above the smoke collecting hood main body, the bottom end of the smoke collecting hood main body is fixedly connected with an oil suction port, two sides of the bottom end of the smoke collecting hood main body are fixedly connected with connecting rods, the bases are fixedly connected with the bottoms of the two groups of connecting rods, the hydrogenation furnace main body is fixedly connected with the middle part above the base, an adjusting mechanism is arranged below the smoke collecting hood main body and comprises first connecting blocks, and the first connecting blocks are fixedly connected with the two sides. The device can quickly adjust the height of the smoke collecting hood main body, so that the time of operators is saved and the practicability and the protection of the device are improved when oil stains are adsorbed.

Description

Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace
Technical Field
The invention relates to the technical field of auxiliary mechanisms, in particular to a modularized butt joint auxiliary mechanism for a convection section smoke collecting hood of a diesel hydrogenation furnace.
Background
The smoke collecting hood is similar to an enamel lamp shade, is used for installing smoke collecting of a detector with a larger distance from a roof, is generally applied to places such as families or processing plants at present, can produce higher-quality diesel oil in the hydrogenation process of the diesel oil, but also needs to be used for adsorbing oil stains generated by the smoke collecting hood, and along with the continuous development of the modern society, people have higher and higher requirements on the diesel oil, so that the smoke collecting hood is continuously developed and innovated, the using requirements of people are basically met at present, and some problems still exist.
The current collection petticoat pipe convection current complementary unit is when adsorbing the greasy dirt, and not very complete adsorbs the greasy dirt to because if too low in the position of collection petticoat pipe, can touch staff's head very easily, cause the injury to the staff, if the collection petticoat pipe is too high, do not have fine again to adsorb the greasy dirt, be difficult to reach the ideal effect of the oil smoke of discharging rapidly, consequently the urgent need for a diesel hydrogenation stove convection current section collection petticoat pipe modularization butt joint complementary unit and solve above-mentioned problem.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a modularized butt joint auxiliary mechanism for a convection section smoke collecting hood of a diesel oil hydrogenation furnace, so as to solve the problem that the conventional smoke collecting hood convection auxiliary device provided in the background art cannot completely adsorb oil stains completely when adsorbing the oil stains.
In order to achieve the purpose, the invention provides the following technical scheme: a modularized butt joint auxiliary mechanism for a convection section smoke collecting hood of a diesel hydrogenation furnace comprises a device main body, wherein the device main body comprises a smoke collecting hood main body, a connecting pipe, an oil suction port, a connecting rod, a base and a hydrogenation furnace main body, the connecting pipe is fixedly connected above the smoke collecting hood main body, the oil suction port is fixedly connected to the bottom end of the smoke collecting hood main body, the connecting rods are fixedly connected to two sides of the bottom end of the smoke collecting hood main body, the base is fixedly connected to the bottom end of the connecting rod, the hydrogenation furnace main body is fixedly connected to the middle part above the base, an adjusting mechanism is arranged below the smoke collecting hood main body and comprises a first connecting block, the first connecting block is fixedly connected to two sides of the lower part of the smoke collecting hood main body, the bottom end of the first connecting block is fixedly connected with a first threaded rod, the bottom end of the first threaded rod is inserted into a hole formed, two sets of all bearing connection on second connecting block top has first conical gear, and the all threaded connection of first conical gear is at first threaded rod surface, and two sets of first conical gear outside at any time all meshes there is second conical gear, and the all fixedly connected with dwang in the second conical gear outside, and is two sets of all fixedly connected with handles in the dwang outside.
Preferably, the base top both sides all fixedly connected with bracing piece, and bracing piece top inner wall all is connected with the dwang through the bearing.
Preferably, the bottom ends of the two groups of first threaded rods are fixedly connected with first limiting blocks.
Preferably, collection petticoat pipe main part top is provided with installation mechanism, and installation mechanism includes first fixed block, the first fixed block of all fixedly connected with in collection petticoat pipe main part top both sides, and first fixed block top is inserted and is established in the hole of seting up in connecting pipe bottom both sides, the fluting has all been seted up to connecting pipe bottom both sides, and inside all there is the second threaded rod, two sets of through threaded connection in the fluting the second threaded rod inboard all is connected with the second stopper through the bearing, and the second stopper keeps away from the all fixedly connected with second fixed block in one side of second threaded rod, two sets of the second fixed block inboard all is inserted and is established in the hole of seting up at first fixed block, and the all fixedly connected with sliders in both sides about the second stopper, two sets of the slider is kept away from the all sliding connection of.
Preferably, the second stopper is kept away from all fixedly connected with inserted bars in both ends about one side of second fixed block, and the inserted bar other end all overlaps and is equipped with loop bar, two sets of all fixed connection of loop bar is at the fluting inner wall.
Preferably, the two groups of the inserting rods are fixedly connected with third limiting blocks at the ends far away from the second limiting blocks, springs are fixedly connected with the other ends of the third limiting blocks, and the other ends of the springs are fixedly connected with the inner walls of the grooves.
Compared with the prior art, the invention has the beneficial effects that:
1. the modularized butt joint auxiliary mechanism of the convection section smoke collecting hood of the diesel hydrogenation furnace is provided with an adjusting mechanism, because the prior fume collecting hood can not well adsorb the oil stain if the position is too high when the oil stain is adsorbed, and can easily touch the head of a worker if the position is too low, therefore, the second bevel gear drives the first bevel gear to rotate by rotating the handle, so that the first threaded rod can rotate and move on the inner wall of the connecting rod, the height of the smoke collecting hood body can be adjusted, when the utility model is needed, the smoke collecting cover main body is moved downwards, when the utility model is not needed, the smoke collecting cover main body is lifted, so that the smoke collecting cover main body can not touch the head of the worker, the height of the smoke collecting hood main body can be quickly adjusted through the device, so that when oil stains are adsorbed, the time of operators is saved, and the practicability and the protection performance of the device are improved;
2. this diesel oil hydrogenation furnace convection current section collection petticoat pipe modularization butt joint complementary unit is provided with installation mechanism, uses the back when collection petticoat pipe main part for a long time, needs to change the connecting pipe, at this moment through rotating the second threaded rod for inside the second fixed block left first fixed block under the rotation of second threaded rod, alright like this wash or change with quick dismantling the connecting pipe, labour saving and time saving has saved a large amount of time, has further improved the convenience of device.
Drawings
FIG. 1 is a schematic sectional elevation view of the structure of the present invention;
FIG. 2 is a schematic view of the present invention in use of FIG. 1;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
fig. 4 is an enlarged view of the structure at B in fig. 3 according to the present invention.
In the figure: 100. a device main body; 110. a smoke collecting hood main body; 120. a connecting pipe; 130. an oil suction port; 140. a connecting rod; 150. a base; 160. a hydrogenation furnace main body; 200. an adjustment mechanism; 210. a first connection block; 220. a first threaded rod; 221. a first stopper; 230. a second connecting block; 240. a first bevel gear; 250. a second bevel gear; 260. rotating the rod; 270. a handle; 280. a support bar; 300. an installation mechanism; 310. a first fixed block; 320. grooving; 330. a second threaded rod; 340. a second limiting block; 341. inserting a rod; 342. a loop bar; 343. a third limiting block; 344. a spring; 350. a second fixed block; 360. a slider; 370. a chute.
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. 1-4, an embodiment of the present invention is shown: a modularized butt joint auxiliary mechanism of a convection section fume collecting hood of a diesel hydrogenation furnace comprises a device main body 100, wherein the device main body 100 comprises a fume collecting hood main body 110, a connecting pipe 120, an oil suction port 130, a connecting rod 140, a base 150 and a hydrogenation furnace main body 160, the connecting pipe 120 is fixedly connected above the fume collecting hood main body 110, the oil suction port 130 is fixedly connected at the bottom end of the fume collecting hood main body 110, the connecting rod 140 is fixedly connected at two sides of the bottom end of the fume collecting hood main body 110, the base 150 is fixedly connected at the bottom ends of two groups of connecting rods 140, the hydrogenation furnace main body 160 is fixedly connected at the middle part above the base 150, an adjusting mechanism 200 is arranged below the fume collecting hood main body 110, the adjusting mechanism 200 comprises a first connecting block 210, the first connecting block 210 is fixedly connected at two sides below the fume collecting hood main body 110, the first connecting block 210 is fixedly connected at the bottom ends of the first connecting block, and the top of the connecting rod 140 is fixedly connected with the second connecting blocks 230, the top of the two sets of second connecting blocks 230 is connected with the first bevel gears 240 through bearings, the first bevel gears 240 are in threaded connection with the outer surface of the first threaded rod 220, the outer sides of the two sets of first bevel gears 240 are engaged with the second bevel gears 250 at any time, the outer sides of the second bevel gears 250 are fixedly connected with the rotating rods 260, and the outer sides of the two sets of rotating rods 260 are fixedly connected with the handles 270.
The both sides all fixedly connected with bracing piece 280 in base 150 top, and the inner wall in bracing piece 280 top all is connected with dwang 260 through the bearing, and its effect lies in, supports dwang 260 through bracing piece 280 for dwang 260 is more stable when rotating.
The bottom ends of the two sets of first threaded rods 220 are fixedly connected with first limiting blocks 221, and the first threaded rods 220 are limited by the first limiting blocks 221, so that the first threaded rods 220 cannot be separated from the inside of the connecting rod 140 when moving.
The installation mechanism 300 is arranged above the smoke collecting hood main body 110, the installation mechanism 300 comprises a first fixing block 310, the first fixing block 310 is fixedly connected to both sides of the upper part of the smoke collecting hood main body 110, the top end of the first fixing block 310 is inserted into holes formed in both sides of the bottom end of the connecting pipe 120, both sides of the bottom end of the connecting pipe 120 are provided with slots 320, the insides of the slots 320 are connected with second threaded rods 330 through threads, the insides of the two groups of second threaded rods 330 are connected with second limit blocks 340 through bearings, one sides of the second limit blocks 340 far away from the second threaded rods 330 are fixedly connected with second fixing blocks 350, the insides of the two groups of second fixing blocks 350 are inserted into the holes formed in the first fixing block 310, the upper side and the lower side of the second limit blocks 340 are fixedly connected with sliding blocks 360, one ends of the two groups of sliding blocks 360 far away from, the function of the fixing device is that when the connecting pipe 120 is required to be replaced, the second fixing block 350 is separated from the inside of the first fixing block 310 by rotating the second threaded rod 330, the fixing of the first fixing block 310 is released, and the connecting pipe 120 can be detached and cleaned at the moment.
Both ends are all fixedly connected with inserted bar 341 about the one side that second stopper 340 kept away from second fixed block 350, and the inserted bar 341 other end all overlaps and is equipped with loop bar 342, and the equal fixed connection of two sets of loop bars 342 is at fluting 320 inner wall, and its effect lies in, when second stopper 340 removed, through inserted bar 341 at the inside removal of loop bar 342 for second stopper 340 is more stable.
The two sets of insertion rods 341 are far away from the ends of the second limit blocks 340 and are fixedly connected with third limit blocks 343, the other ends of the third limit blocks 343 are fixedly connected with springs 344, and the other ends of the springs 344 are fixedly connected to the inner walls of the slots 320.
The working principle is as follows: when oil stain adsorption is required to be carried out on the hydrogenation furnace main body 160, the handle 270 is rotated, the rotating rod 260 drives the second bevel gear 250 to rotate, at the moment, the second bevel gear 250 rotates to drive the first bevel gear 240 to rotate, because the bottom end of the first bevel gear 240 is connected with the second connecting block 230 through a bearing, at the moment, the first threaded rod 220 moves upwards under the rotation of the first bevel gear 240, so that the height of the smoke collecting hood main body 110 is adjusted, when the smoke collecting hood main body 110 is not required to be used, the handle 270 is rotated in the reverse direction, the smoke collecting hood main body 110 can return to the initial position again, the height adjustment of the smoke collecting hood main body 110 is realized, when the connecting pipe 120 needs to be replaced, the second threaded rod 330 is rotated, the second limiting block 340 drives the second fixing block 350 to leave the inside of the first fixing block 310 under the sliding action of the sliding block 360 and the, the connection tube 120 can be removed for cleaning and the operation is finished.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a diesel oil hydrogenation stove convection section collection petticoat pipe modularization butt joint complementary unit, includes device main part (100), device main part (100) are including collection petticoat pipe main part (110), connecting pipe (120), oil absorption mouth (130), connecting rod (140), base (150) and hydrogenation stove main part (160), and collection petticoat pipe main part (110) top fixedly connected with connecting pipe (120), collection petticoat pipe main part (110) bottom fixedly connected with oil absorption mouth (130), and collection petticoat pipe main part (110) bottom both sides all fixedly connected with connecting rod (140), two sets of connecting rod (140) bottom fixedly connected with base (150), and base (150) top middle part fixedly connected with hydrogenation stove main part (160), its characterized in that: the exhaust hood is characterized in that an adjusting mechanism (200) is arranged below the exhaust hood main body (110), the adjusting mechanism (200) comprises a first connecting block (210), both sides of the lower portion of the exhaust hood main body (110) are fixedly connected with the first connecting block (210), the bottom ends of the first connecting block (210) are fixedly connected with a first threaded rod (220), the bottom ends of the first threaded rods (220) are inserted into holes formed in the upper portion of a connecting rod (140), the top ends of the connecting rod (140) are fixedly connected with a second connecting block (230), the top ends of the second connecting blocks (230) are in bearing connection with first bevel gears (240), the first bevel gears (240) are in threaded connection with the outer surfaces of the first threaded rods (220), two sets of first bevel gears (240) are meshed with second bevel gears (250) at any time, and the outer sides of the second bevel gears (250) are fixedly connected with rotating rods (260), two sets of dwang (260) outside all fixedly connected with handle (270).
2. The modularized butt joint auxiliary mechanism of the convection section smoke collecting hood of the diesel hydrogenation furnace according to claim 1, is characterized in that: both sides of base (150) top are fixedly connected with bracing piece (280), and bracing piece (280) top inner wall all is connected with dwang (260) through the bearing.
3. The modularized butt joint auxiliary mechanism of the convection section smoke collecting hood of the diesel hydrogenation furnace according to claim 1, is characterized in that: the bottom ends of the two groups of first threaded rods (220) are fixedly connected with first limiting blocks (221).
4. The modularized butt joint auxiliary mechanism of the convection section smoke collecting hood of the diesel hydrogenation furnace according to claim 1, is characterized in that: the exhaust fume collecting hood is characterized in that an installation mechanism (300) is arranged above the exhaust fume collecting hood main body (110), the installation mechanism (300) comprises a first fixed block (310), both sides of the upper side of the exhaust fume collecting hood main body (110) are fixedly connected with the first fixed block (310), the top end of the first fixed block (310) is inserted into holes formed in both sides of the bottom end of the connecting pipe (120), both sides of the bottom end of the connecting pipe (120) are provided with a groove (320), the inside of the groove (320) is connected with a second threaded rod (330) through threads, the inner sides of the second threaded rod (330) are connected with a second limiting block (340) through a bearing, one side of the second limiting block (340) far away from the second threaded rod (330) is fixedly connected with a second fixed block (350), the inner sides of the second fixed block (350) are inserted into the holes formed in the first fixed block (310), and sliding blocks (360) are fixedly, two sets of the one end that second stopper (340) was kept away from in slider (360) all sliding connection has spout (370), and spout (370) all set up at fluting (320) inner wall.
5. The modularized butt joint auxiliary mechanism of the convection section smoke collecting hood of the diesel hydrogenation furnace according to claim 4, is characterized in that: both ends all fixedly connected with inserted bar (341) about second stopper (340) keep away from one side of second fixed block (350), and the inserted bar (341) other end all overlaps and is equipped with loop bar (342), two sets of loop bar (342) all fixed connection is at fluting (320) inner wall.
6. The modularized butt joint auxiliary mechanism of the convection section smoke collecting hood of the diesel hydrogenation furnace according to claim 5, is characterized in that: two sets of inserted bar (341) keep away from the one end of second stopper (340) all fixedly connected with third stopper (343), and the third stopper (343) other end all fixedly connected with spring (344), and spring (344) other end fixed connection is at fluting (320) inner wall.
CN202010954583.7A 2020-09-11 2020-09-11 Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace Pending CN112108476A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010954583.7A CN112108476A (en) 2020-09-11 2020-09-11 Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010954583.7A CN112108476A (en) 2020-09-11 2020-09-11 Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace

Publications (1)

Publication Number Publication Date
CN112108476A true CN112108476A (en) 2020-12-22

Family

ID=73803002

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010954583.7A Pending CN112108476A (en) 2020-09-11 2020-09-11 Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace

Country Status (1)

Country Link
CN (1) CN112108476A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4869156A (en) * 1987-11-27 1989-09-26 D-Con-Tainer, Inc. Controlled environment system and method for constructing same
CN208138642U (en) * 2018-03-15 2018-11-23 新昌县庆达机械有限公司 A kind of cryogen containment pipe fitting
CN109538801A (en) * 2018-12-17 2019-03-29 盐城市华凯阀业制造有限公司 A kind of high-performance control valve
CN208757161U (en) * 2018-08-03 2019-04-19 福建省闽中宝环保科技有限公司 A kind of weldering fume purifier
CN210098497U (en) * 2019-06-13 2020-02-21 张家港市三元泰机械设备有限公司 Dust collector of wire drawing machine
CN210754283U (en) * 2019-09-11 2020-06-16 天津博宇钢管有限公司 Welding fume suction device
CN210770989U (en) * 2019-08-05 2020-06-16 华电电力科学研究院有限公司 Automatic plugging device of pipeline
CN214022514U (en) * 2020-09-11 2021-08-24 江苏卓然智能重工有限公司 Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4869156A (en) * 1987-11-27 1989-09-26 D-Con-Tainer, Inc. Controlled environment system and method for constructing same
CN208138642U (en) * 2018-03-15 2018-11-23 新昌县庆达机械有限公司 A kind of cryogen containment pipe fitting
CN208757161U (en) * 2018-08-03 2019-04-19 福建省闽中宝环保科技有限公司 A kind of weldering fume purifier
CN109538801A (en) * 2018-12-17 2019-03-29 盐城市华凯阀业制造有限公司 A kind of high-performance control valve
CN210098497U (en) * 2019-06-13 2020-02-21 张家港市三元泰机械设备有限公司 Dust collector of wire drawing machine
CN210770989U (en) * 2019-08-05 2020-06-16 华电电力科学研究院有限公司 Automatic plugging device of pipeline
CN210754283U (en) * 2019-09-11 2020-06-16 天津博宇钢管有限公司 Welding fume suction device
CN214022514U (en) * 2020-09-11 2021-08-24 江苏卓然智能重工有限公司 Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace

Similar Documents

Publication Publication Date Title
CN214022514U (en) Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace
CN110410810B (en) Environment-friendly chimney with filtering capability
CN111545491A (en) Enterprise information display ash removal device based on double-ratchet transmission principle
CN112108476A (en) Modularized butt joint auxiliary mechanism for convection section smoke collecting hood of diesel hydrogenation furnace
CN210485814U (en) Range hood with electric lifting device
CN217530165U (en) A dust removal mechanism for milling machine processing
CN204100341U (en) A kind of top side range hood wind-collecting cover
CN213178503U (en) Full-automatic UV purifies integral type petticoat pipe
CN213362558U (en) Biological energy-saving furnace is with wind channel that has anti-clogging structure
CN114028924A (en) Desulfurization and denitrification dust removal equipment based on heat supply of waste heat of boiler flue gas
CN206959079U (en) A kind of portable lampblack absorber for changing vertical height
CN221230227U (en) Environmental protection engineering construction dust device
CN112354316A (en) Watering dust device for building site
CN213205737U (en) Portable tunnel construction is with spraying dust device
CN112091239A (en) Inclined rail numerical control lathe
CN217070096U (en) Acid waste gas collection device of environment-friendly
CN220321404U (en) Oil smoke purification all-in-one machine convenient to install and maintain
CN219442846U (en) Volatile gas collecting device for reagent cabinet
CN114246791B (en) Portable moxa smoke clarifier
CN219867937U (en) Adjustment mechanism and boiler cinder collection car
CN215787675U (en) Burn prevention device for tower cylinder welding
CN220804889U (en) Portable welding fume purifier
CN215901128U (en) Pulse single-machine bag type dust collector
CN221015267U (en) Activated carbon deodorizing adsorption box
CN219272487U (en) Lampblack purifier convenient to change filter core

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

Application publication date: 20201222