CN107837644A - A kind of flue gas desulfurization and denitrification device lower slide bearing - Google Patents

A kind of flue gas desulfurization and denitrification device lower slide bearing Download PDF

Info

Publication number
CN107837644A
CN107837644A CN201711154308.1A CN201711154308A CN107837644A CN 107837644 A CN107837644 A CN 107837644A CN 201711154308 A CN201711154308 A CN 201711154308A CN 107837644 A CN107837644 A CN 107837644A
Authority
CN
China
Prior art keywords
sliding
sliding support
way
flue gas
plucking
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.)
Withdrawn
Application number
CN201711154308.1A
Other languages
Chinese (zh)
Inventor
蒋斌
张华�
刘莉莉
周亮
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201711154308.1A priority Critical patent/CN107837644A/en
Publication of CN107837644A publication Critical patent/CN107837644A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2253/00Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10Inorganic adsorbents
    • B01D2253/102Carbon
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/302Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/404Nitrogen oxides other than dinitrogen oxide
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treating Waste Gases (AREA)

Abstract

The present invention relates to a kind of flue gas desulfurization and denitrification device lower slide bearing, described sliding support includes single-directional sliding support and bidirectional sliding support;Fix with flue gas desulfurization and denitrification device on sliding support, fixed under sliding support with device support frame.It is sliding surface between sliding block and sliding block, upper slider or middle part sliding block are equipped with more than one resistance to plucking slideway, and upper slider or middle part sliding block are equipped with more than one oil filler point.It is of the invention compared with existing sliding support:Flue gas desulfurization and denitrification device is solved the problems, such as because of temperature change and caused by stress release;The design of resistance to plucking slideway solve the problems, such as flue gas desulfurization and denitrification device because caused by wind load, earthquake to uplift force;Sliding support is simple in construction, easy to process, makes short time limit, cost is low, simple installation, reduces construction costs, accelerates project progress.

Description

A kind of flue gas desulfurization and denitrification device lower slide bearing
Technical field:
The present invention relates to a kind of flue gas desulfurization and denitrification device lower slide bearing, the desulfuring and denitrifying apparatus that is particularly suitable for use in is starting Operation or the sliding support of period out of service temperature stress occasion caused by temperature change is to lower support frame.
Background technology:
Activated carbon (Jiao) integrated fume purification techniques utilizes the characterization of adsorption of activated carbon, and energy is simultaneously in efficient removal flue gas The pollutants such as dust, SO2, NOx, mercury, bioxin, moreover it is possible to remove the SO3 for being difficult to remove in Wet technique, avoid repetition and build If deviate from the purifier of different pollutants, while this technology also has certain catharsis to ultrafine dust (PM10), is A kind of renewable, resourcebility dry FGD process technology, in China, increasing enterprise was favored in recent years.
Can be right in the temperature change that activated carbon (Jiao) flue gas desulfurization and denitrification device brings into operation and period out of service is larger Lower support frame produces very unfavorable temperature stress.The temperature stress to device produce X to and Y-direction horizontal displacement, if Connecting node is without any processing at this, the stabilization of lower frame and safety will be produced a very large impact, or even influence whole dress Normal operation and the structure safety put.
To discharge the temperature stress at the connecting node, at this, sliding support need to be set.Sliding support in the market Form mainly has plate bearing, rocker bearing, spherical bearing, laminated rubber bearing etc., and is mainly used in bridge structure.Wherein Plate bearing is only applicable to the light-duty rack and latticed shell structure that span is small, and nothing substantially settles and temperature stress influence is little;Afterwards three Kind bearing belongs to pivoting support, releasable unfavorable moment of flexure and temperature stress, applied widely, but requires to make precision height, makes Valency is high.And meet that the sliding support of activated carbon (Jiao) flue gas desulfurization and denitrification device then needs special customized and requires high temperature resistant, so as to Manufacturing cost is of a relatively high, and the making duration is also longer, therefore has to reducing the cost of whole engineering project and speeding up the work Considerable influence.
The content of the invention:
It is an object of the invention to for above-mentioned deficiency, there is provided a kind of flue gas desulfurization and denitrification device lower slide bearing;
The purpose of the present invention is achieved through the following technical solutions:
A kind of flue gas desulfurization and denitrification device lower slide bearing, fixed with flue gas desulfurization and denitrification device 8 on sliding support, it is sliding Fixed under dynamic bearing with device support frame 9, described sliding support includes single-directional sliding support and bidirectional sliding support;
Single-directional sliding support includes unidirectional upper slider 1, unidirectional lower slider 2 and sliding surface 10, unidirectional upper slider 1 and list To being sliding surface 10 between lower slider 2, unidirectional upper slider 1 is provided with more than one resistance to plucking slideway 4 and more than two oil filler points 3 are formed;
Bidirectional sliding support includes two-way upper slider 5, two-way middle part sliding block 6 and two-way lower slider 7, two-way upper slider 5 It is sliding surface a10 between two-way middle part sliding block 6, is sliding surface b10 between two-way middle part sliding block 6 and two-way lower slider 7, Two-way upper slider 5 is provided with more than one resistance to plucking slideway 4, and two-way middle part sliding block 6 is provided with more than one resistance to plucking slideway 4,
Two-way upper slider 5 and two-way middle part sliding block 6 are respectively equipped with more than two oil filler points 3 and formed;
Described Bidirectional slide refers to upper slider 5 and middle part sliding block 6 respectively in X direction or the resistance to plucking slideway 4 of Y-direction slides The joint direction formed is Bidirectional slide.
The hypotenuse of resistance to plucking slideway 4 and horizontal direction angle are 55 °~75 °.
Sliding surface 10 and resistance to plucking slideway 4 between sliding block and sliding block and the wedge-shaped impression surface roughness rank that it coordinates are equal For≤6.3 °.
Single-directional sliding support is applied to the sliding support that gross thickness is 100mm~400mm;Bidirectional sliding support is applied to total Thickness is 120mm~450mm sliding support.
Beneficial effect:It is of the invention compared with existing sliding support:Flue gas desulfurization and denitrification device is solved because of temperature change And the release problem of caused stress;The design of resistance to plucking slideway solves flue gas desulfurization and denitrification device because of wind load, earthquake It is caused to uplift force the problem of;Sliding support is simple in construction, easy to process, makes short time limit, and cost is low, simple installation, Construction costs is reduced, accelerates project progress.
Brief description of the drawings
Fig. 1 is a kind of flue gas desulfurization and denitrification device bottom single-directional sliding support top view
Fig. 2 is the A-A profiles of accompanying drawing 1
Fig. 3 is the B-B profiles of accompanying drawing 1
Fig. 4 is a kind of flue gas desulfurization and denitrification device bottom bidirectional sliding support top view
Fig. 5 is the C-C profiles of accompanying drawing 4
Fig. 6 is the D-D profiles of accompanying drawing 4
1 unidirectional upper slider, 2 unidirectional lower sliders, 3 oil filler points, 4 resistance to plucking slideways, 5 two-way upper sliders, 6 two-way middle parts are slided Block, 7 two-way sliding lower sliders, 8 desulfuring and denitrifying apparatus, 9 device support frames, 10 sliding surfaces.
Embodiment:
The present invention is described in further detail with reference to the accompanying drawings and examples.
A kind of flue gas desulfurization and denitrification device lower slide bearing, fixed with flue gas desulfurization and denitrification device 8 on sliding support, Fixed under sliding support with device support frame 9, described sliding support includes single-directional sliding support and bidirectional sliding support;
Single-directional sliding support includes unidirectional upper slider 1, unidirectional lower slider 2 and sliding surface 10, unidirectional upper slider 1 and list To being sliding surface 10 between lower slider 2, unidirectional upper slider 1 is provided with more than one resistance to plucking slideway 4 and more than two oil filler points 3 are formed;
Bidirectional sliding support includes two-way upper slider 5, two-way middle part sliding block 6 and two-way lower slider 7, two-way upper slider 5 It is sliding surface a10 between two-way middle part sliding block 6, is sliding surface b10 between two-way middle part sliding block 6 and two-way lower slider 7, Two-way upper slider 5 is provided with more than one resistance to plucking slideway 4, and two-way middle part sliding block 6 is provided with more than one resistance to plucking slideway 4, double More than two oil filler points 3 are respectively equipped with to upper slider 5 and two-way middle part sliding block 6 to form;
Described Bidirectional slide refers to upper slider 5 and middle part sliding block 6 respectively in X direction or the resistance to plucking slideway 4 of Y-direction slides The joint direction formed is Bidirectional slide.
The hypotenuse of resistance to plucking slideway 4 and horizontal direction angle are 55 °~75 °.
Sliding surface 10 and resistance to plucking slideway 4 between sliding block and sliding block and the wedge-shaped impression surface roughness rank that it coordinates are equal For≤6.3 °.
Single-directional sliding support is applied to the sliding support that gross thickness is 100mm~400mm;Bidirectional sliding support is applied to total Thickness is 120mm~450mm sliding support.
Flue gas desulfurization and denitrification device lower slide bearing, can be divided into single-directional sliding support according to the action direction of temperature stress (i.e. X slides to slip or Y-direction) and bidirectional sliding support (i.e. X slides to slip and Y-direction).Single-directional sliding support shown in Fig. 1 Including unidirectional upper slider 1, unidirectional lower slider 2 and sliding surface 10, it is between unidirectional upper slider 1 and unidirectional lower slider 2 Sliding surface 10, unidirectional upper slider 1 is provided with two resistance to plucking slideways 4 and four oil filler points 3 are formed.The wherein hypotenuse of resistance to plucking slideway 4 With 60 ° of horizontal direction angle;The spacing of oil filler point 3 is 120-180mm, 8-12mm of diameter.Single-directional sliding support gross thickness The scope of application is 100mm~400mm.Bidirectional sliding support shown in Fig. 4 includes two-way upper slider 5, the two-way and of middle part sliding block 6 Two-way lower slider 7, is sliding surface a10 between two-way upper slider 5 and two-way middle part sliding block 6, two-way middle part sliding block 6 with it is two-way It is sliding surface b10 between lower slider 7, two-way upper slider 5 is provided with two or more resistance to plucking slideway 4, on two-way middle part sliding block 6 Provided with two or more resistance to plucking slideway 4, two-way upper slider 5 and two-way middle part sliding block 6 are respectively equipped with four oil filler points 3 and formed.Its 60 ° of the hypotenuse of middle resistance to plucking slideway 4 and horizontal direction angle;The spacing of oil filler point 3 is 120-180mm, 8-12mm of diameter.It is two-way The scope of application of sliding support gross thickness is 120mm~450mm.
Sliding support is made using steel construction sheet material in processing factory by certain processing technology, makes sliding block and sliding block Between the wedge-shaped impression surface roughness rank that coordinates with it of sliding surface 10 and resistance to plucking slideway 4≤6.3 °.After machining, The bottom of upper slider 1 or 5 and flue gas desulfurization and denitrification device vertical member is welded when job site is installed, lower slider 2 or 7 with The top welding of device support frame vertical member;Resistance to plucking slideway 4 is corresponding with wedge-shaped impression, ensures that the vertical of sliding support is One plane, wherein should meet that the hypotenuse of resistance to plucking slideway 4 and horizontal direction angular range are 55 °~75 °.After installation, to The oil filler point 3 of each sliding block injects lubricating oil.
When flue gas desulfurization and denitrification unit temp raises, caused temperature stress makes the upper slider 1 of single-directional sliding support Slided along resistance to plucking slideway 4, realize unidirectional slide;Make the upper slider 5 of bidirectional sliding support along direction (X to or Y To) resistance to plucking slideway 4 slide, make bidirectional sliding support upper slider 5 and middle part sliding block 6 along another direction (Y-direction or X to) Resistance to plucking slideway 4 slide, so as to realize Bidirectional slide.Meanwhile resistance to plucking slideway 4 is also act against wind load or geological process produces To uplift force, so as to realize the resistance to plucking function of sliding support.
Embodiment 1
A kind of flue gas desulfurization and denitrification device bottom single-directional sliding support, on unidirectional upper slider 1 with flue gas desulfurization and denitrification device 8 are fixed, and unidirectional lower slider 2 is fixed with device support frame 9;It is sliding between unidirectional upper slider 1 and unidirectional lower slider 2 Dynamic face 10, unidirectional upper slider 1 is provided with 2 resistance to plucking slideways 4 and 4 oil filler points 3 are formed;The spacing of oil filler point 3 is 150mm, directly Footpath 10mm.The hypotenuse of resistance to plucking slideway 4 and horizontal direction angle are 60 °.Sliding surface 10 and resistance to plucking slideway between sliding block and sliding block The 4 wedge-shaped impression surface roughness ranks coordinated with it are≤6.3 °.Single-directional sliding support is 150mm suitable for gross thickness Sliding support.
Embodiment 2
A kind of flue gas desulfurization and denitrification device lower slide bearing, it is solid with flue gas desulfurization and denitrification device 8 on two-way upper slider 5 Fixed, two-way lower slider 7 is fixed with device support frame 9;It is sliding surface between two-way upper slider 5 and two-way middle part sliding block 6 A10, is sliding surface b10 between two-way middle part sliding block 6 and two-way lower slider 7, two-way upper slider 5 and two-way lower slider 7 2 resistance to plucking slideways 4 are respectively equipped with, two-way upper slider 5 and two-way middle part sliding block 6 are respectively equipped with 4 oil filler points 3;Oil filler point 3 Spacing be 150mm, diameter 10mm.
Bidirectional slide refers to upper slider 5 and middle part sliding block 6 respectively in X direction or the resistance to plucking slideway 4 of Y-direction slides institute's structure Into joint direction be Bidirectional slide.The hypotenuse of resistance to plucking slideway 4 and horizontal direction angle are 60 °.
Sliding surface 10 and resistance to plucking slideway 4 between sliding block and sliding block and the wedge-shaped impression surface roughness rank that it coordinates are equal For≤6.3 °.Bidirectional sliding support is applied to the sliding support that gross thickness is 150mm.
Embodiment 3
A kind of flue gas desulfurization and denitrification device bottom single-directional sliding support, on unidirectional upper slider 1 with flue gas desulfurization and denitrification device 8 are fixed, and unidirectional lower slider 2 is fixed with device support frame 9;It is sliding between unidirectional upper slider 1 and unidirectional lower slider 2 Dynamic face 10, unidirectional upper slider 1 is provided with 3 resistance to plucking slideways 4 and 6 oil filler points 3 are formed;The spacing of oil filler point 3 is 160mm, directly Footpath 8mm.The hypotenuse of resistance to plucking slideway 4 and horizontal direction angle are 70 °.Sliding surface 10 and resistance to plucking slideway 4 between sliding block and sliding block The wedge-shaped impression surface roughness rank coordinated with it is≤6.3 °.It is 200mm's that single-directional sliding support, which is applied to gross thickness, Sliding support.
Embodiment 4
A kind of flue gas desulfurization and denitrification device lower slide bearing, it is solid with flue gas desulfurization and denitrification device 8 on two-way upper slider 5 Fixed, two-way lower slider 7 is fixed with device support frame 9;8 fixations are put, two-way lower slider 7 is solid with device support frame 9 It is fixed;Be sliding surface a10 between two-way upper slider 5 and two-way middle part sliding block 6, two-way middle part sliding block 6 and two-way lower slider 7 it Between be sliding surface b10, two-way upper slider 5 and two-way lower slider 7 are respectively equipped with 3 resistance to plucking slideways 4, two-way upper slider 5 6 oil filler points 3 are respectively equipped with two-way middle part sliding block 6;The spacing of oil filler point 3 is 160mm, diameter 8mm.
Bidirectional slide refers to upper slider 5 and middle part sliding block 6 respectively in X direction or the resistance to plucking slideway 4 of Y-direction slides institute's structure Into joint direction be Bidirectional slide.The hypotenuse of resistance to plucking slideway 4 and horizontal direction angle are 70 °.Cunning between sliding block and sliding block The wedge-shaped impression surface roughness rank that dynamic face 10 and resistance to plucking slideway 4 coordinate with it is≤6.3 °.Bidirectional sliding support is applicable In the sliding support that gross thickness is 200mm.

Claims (4)

  1. It is fixed with flue gas desulfurization and denitrification device (8) on sliding support 1. a kind of flue gas desulfurization and denitrification device lower slide bearing, It is fixed with device support frame (9) under sliding support, it is characterised in that:Described sliding support include single-directional sliding support and Bidirectional sliding support;
    Single-directional sliding support includes unidirectional upper slider (1), unidirectional lower slider (2) and sliding surface (10), unidirectional upper slider (1) be sliding surface (10) between unidirectional lower slider (2), unidirectional upper slider (1) be provided with more than one resistance to plucking slideway (4) and More than two oil filler points (3) are formed;
    Bidirectional sliding support includes two-way upper slider (5), two-way middle part sliding block (6) and two-way lower slider (7), two-way top Be sliding surface a (10) between sliding block (5) and two-way middle part sliding block (6), two-way middle part sliding block (6) and two-way lower slider (7) it Between be sliding surface b (10), two-way upper slider (5) is provided with more than one resistance to plucking slideway (4), set on two-way middle part sliding block (6) There is more than one resistance to plucking slideway (4),
    Two-way upper slider (5) and two-way middle part sliding block (6) are respectively equipped with more than two oil filler points (3) and formed;
    Described Bidirectional slide refer to upper slider (5) and middle part sliding block (6) respectively in X direction or Y-direction resistance to plucking slideway (4) It is Bidirectional slide to slide formed joint direction.
  2. 2. according to a kind of flue gas desulfurization and denitrification device lower slide bearing described in claim 1, it is characterised in that:Resistance to plucking slideway (4) hypotenuse and horizontal direction angle are 55 °~75 °.
  3. 3. according to a kind of flue gas desulfurization and denitrification device lower slide bearing described in claim 1, it is characterised in that:Sliding block and cunning The wedge-shaped impression surface roughness rank that sliding surface (10) and resistance to plucking slideway (4) between block coordinate with it is≤6.3 °.
  4. 4. according to a kind of flue gas desulfurization and denitrification device lower slide bearing described in claim 1, it is characterised in that:It is unidirectional to slide Bearing is applied to the sliding support that gross thickness is 100mm~400mm;Bidirectional sliding support be applied to gross thickness be 120mm~ 450mm sliding support.
CN201711154308.1A 2017-11-20 2017-11-20 A kind of flue gas desulfurization and denitrification device lower slide bearing Withdrawn CN107837644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711154308.1A CN107837644A (en) 2017-11-20 2017-11-20 A kind of flue gas desulfurization and denitrification device lower slide bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711154308.1A CN107837644A (en) 2017-11-20 2017-11-20 A kind of flue gas desulfurization and denitrification device lower slide bearing

Publications (1)

Publication Number Publication Date
CN107837644A true CN107837644A (en) 2018-03-27

Family

ID=61679159

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711154308.1A Withdrawn CN107837644A (en) 2017-11-20 2017-11-20 A kind of flue gas desulfurization and denitrification device lower slide bearing

Country Status (1)

Country Link
CN (1) CN107837644A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108730682A (en) * 2018-07-02 2018-11-02 光大环保技术研究院(南京)有限公司 A kind of smoke reaction tower sliding support
CN109821410A (en) * 2019-03-22 2019-05-31 国电环境保护研究院有限公司 A kind of support construction of desulphurization denitration tower
CN112957868A (en) * 2021-02-13 2021-06-15 徐逸萍 Flue gas desulfurization and denitration device lower part sliding support for accelerating progress

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108730682A (en) * 2018-07-02 2018-11-02 光大环保技术研究院(南京)有限公司 A kind of smoke reaction tower sliding support
CN109821410A (en) * 2019-03-22 2019-05-31 国电环境保护研究院有限公司 A kind of support construction of desulphurization denitration tower
CN109821410B (en) * 2019-03-22 2024-02-06 国电环境保护研究院有限公司 Supporting structure of desulfurization and denitrification tower
CN112957868A (en) * 2021-02-13 2021-06-15 徐逸萍 Flue gas desulfurization and denitration device lower part sliding support for accelerating progress

Similar Documents

Publication Publication Date Title
CN107837644A (en) A kind of flue gas desulfurization and denitrification device lower slide bearing
CN201900309U (en) Automatic clamping fixture for milling end faces of guide rail
CN206174140U (en) Flue gas desulfurization denitrification facility lower part sliding support
CN203755461U (en) Steel beam and steel column sliding support joint device
CN109138444B (en) Light steel structure
CN203654186U (en) Positioning and assembling device of longitudinal ribs of beam-type steel bridge deck slab
CN203855864U (en) Ballastless track bed concrete formwork for high-speed railway construction
CN209680998U (en) A kind of civil engineering construction steel bar bending apparatus
CN202647082U (en) Adjustment iron gasket
CN204024010U (en) The flat sliding platform of a kind of high long cornice construction water
CN205808304U (en) Steel construction butt weld width and misalignment depth detection apparatus
CN207597235U (en) A kind of cable-stayed type bridge earthquake resistance component
CN104060819B (en) Utilize the method for typified form construction shear wall and typified form used
CN109339253A (en) A kind of energy dissipation node for building structure
CN205317108U (en) Pier support preformed hole axis inspection device
CN107288270B (en) A kind of building iron protective layer clamping device
CN206671320U (en) A kind of water environment monitoring device
CN107262990B (en) Large linear movable steel member welding device
CN207478300U (en) A kind of adjustable type desulfurization synergistic mass transfer apparatus
CN206499245U (en) A kind of screen pipe sells frame
CN206840464U (en) A kind of glass processing folder passes guide locating device provided
CN203635075U (en) Device for connecting denitration device reactor and cold denitration steel structure
CN208034146U (en) A kind of hydraulic valve clamp for machining
CN204411897U (en) Demister apparatus for eliminating sludge
CN203832495U (en) Kiloton movable trolley

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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180327