CN104111002A - Coiled pipe washing device - Google Patents

Coiled pipe washing device Download PDF

Info

Publication number
CN104111002A
CN104111002A CN201410320306.5A CN201410320306A CN104111002A CN 104111002 A CN104111002 A CN 104111002A CN 201410320306 A CN201410320306 A CN 201410320306A CN 104111002 A CN104111002 A CN 104111002A
Authority
CN
China
Prior art keywords
fixed
chassis
serpentine coil
cleaning device
cleaning
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.)
Granted
Application number
CN201410320306.5A
Other languages
Chinese (zh)
Other versions
CN104111002B (en
Inventor
林泉
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.)
Dalian Huizhida Technology Co Ltd
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 CN201410320306.5A priority Critical patent/CN104111002B/en
Publication of CN104111002A publication Critical patent/CN104111002A/en
Application granted granted Critical
Publication of CN104111002B publication Critical patent/CN104111002B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)

Abstract

A coiled pipe washing device is characterized in that the washing device is composed of supporting slide rails (1), a driving part (2) capable of moving along the supporting slide rails (1) and a washing part (3) located below the driving part (2), the driving part (2) can drive the washing part (3) to move in the axial direction of a coiled pipe, in the movement process, the washing part (3) can rotate, dirt on the outer wall of the coiled pipe are scraped off by a washing sleeve on the washing part under the action of frictional force, dirt is thoroughly washed off through a water spray pipe (15) on the washing part, and thus the coiled pipe can be washed.

Description

Serpentine coil cleaning device
Technical field
The present invention relates to a kind of cleaning device, particularly a kind of serpentine coil cleaning device.
Background technology
In evaporative condenser, need to use a large amount of serpentine coils, improve heat exchange efficiency by increasing heat exchange area; Owing in use needing constantly to serpentine coil shower water, therefore the outer surface of serpentine coil is just very easy to get rusty; If adopt stainless steel bearing serpentine coil, its cost is very high, therefore generally all adopt now zinc-plated at irony tube outer surface or the mode of other antirust coats is set, even if but like this, in use for some time, the water stain of certain yellow still can be accumulated in the surface of serpentine coil, affects heat transfer effect.Therefore need regularly the outer wall of serpentine coil to be cleaned, but because the external surface area of serpentine coil is larger, in the time arranging, have certain angle again simultaneously, thereby cleaning up extremely bothers, and cleaning performance is also poor.And if with conventional cleaning means and the also antirust coat of as easy as rolling off a log its outer surface of destruction of method.
Summary of the invention
The present invention is in order to solve the existing above-mentioned deficiency of prior art, proposes a kind of special distribution that is adapted to serpentine coil, can carry out the device automatically cleaning to the outer wall of serpentine coil.
Technical solution of the present invention is: a kind of serpentine coil cleaning device, it is characterized in that: described cleaning device is by supporting slide rail 1, can form along supporting slide rail 1 drive part 2 moving and the cleaning part 3 that is positioned at drive part 2 belows, wherein support slide rail 1 and comprise two symmetrically arranged tracks 4, be respectively arranged with fixture 5 at the axial two ends of track 4, drive part 2 comprises the travelling car 6 matching with track 4, on travelling car 6, be provided with mobile motor 7, gear on mobile motor 7 outputs be arranged on the tooth bar 32 paralleling between two fixtures 5 and with track 4 and be meshed, be hinged with chassis 8 in the lower end of travelling car 6, the bottom rotational support on chassis 8 has hollow wheel gear 9, hollow wheel gear 9 drives by the rotary electric machine 10 being fixed on chassis 8, be fixedly installed bracing frame 31 in the bottom on chassis 8, bracing frame 31 inner bearings are supported with the upper end cover 11 linking with hollow wheel gear 9, the bottom of upper end cover 11 by multiple on circumference equally distributed connecting rod 12 be connected with bottom end cover 13, at upper end cover 11, in the space that bottom end cover 13 and multiple connecting rod 12 surround, be provided with air bag 14, the outside of air bag 14 is evenly distributed with multiple sparge pipes 15, all sparge pipes 15 all with the intracavity inter-connection of hollow wheel gear 9, the water intake end of hollow wheel gear 9 is positioned at the upper end on chassis 8, on travelling car 6, be provided with the air pump 17 with air gauge 16, air pump 17 is connected with air bag 14 by pipeline, described supporting connecting rod 12 and air bag 14 form a cleaning unit, also be socketed with outward and the relatively-stationary cleaning cover of cleaning unit at cleaning unit.
Described fixture 5 comprises the fixed head 18 directly contacting with track 4, on fixed head 18, be supported with fixed axis 19, on fixed axis 19, be provided with symmetrically two fixed mounts 20, on each fixed mount 20, be all threaded with the handwheel 22 of fixed block 21, be provided with clamping plate 23 with fixed block 21 matches, fixed mount 20 is connected with fixed axis 19 by fixed mount bolt 24.
Described handwheel 22 is two, and is symmetrical arranged.
Described cleaning unit is multiple, and mutually connects by connector 27 between adjacent cleaning unit.
On described travelling car 6, be provided with swing span 25, on swing span 25, be threaded and swung handwheel 26, swing the bottom of handwheel 26 and be hinged on chassis 8, and swing pin joint between handwheel 26 and chassis 8 between the center of circle and excircle on chassis 8.
Described connector is loop configuration, and its upper and lower two ends are respectively arranged with multiple jacks that match with connecting rod 12.
On described connector 27, be evenly distributed with multiple connecting holes 28, be provided with fixed bar 29 with connecting hole 28 matches, fixed bar 29 can be at the interior axial float of connecting hole 28, the top of fixed bar 29 and swing arm 30 center are hinged, on connector 27, be provided with the groove matching with swing arm 30, on the sidewall of connector 27, also offer the screwed hole matching with connecting hole 28, be provided with set bolt with this screwed hole matches, the bottom of connector 27 by connecting rope with clean cover and be connected.
Compared with the existing technology, tool has the following advantages in the present invention:
The serpentine coil cleaning device of this kind of version, for not being the problem of the custom-designed cleaning device of serpentine coil on market, design a kind of special construction that can be adapted to different size serpentine coil place casing, it can be along the axially-movable of serpentine coil in rotating, and creationary employing air bag provides the frictional force in cleaning process, do like this and both can provide enough frictional force, but not again that rigidity contacts with the outer wall of serpentine coil, in ensureing cleaning performance, protection serpentine coil can not be subject to the damage of rigidity.Simultaneously air bag is in the time coming in contact with the tube wall of rigidity, can deform and a part for tube wall is wrapped up, and increased the contact area between the two, improves cleaning performance and efficiency.Therefore can say that it has possessed multiple advantage, be particularly suitable for applying in the art, its market prospects are very wide.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is the structural representation of embodiment of the present invention fixture part.
Fig. 3 is the structural representation of embodiment of the present invention travelling car part.
Fig. 4 is the decomposing schematic representation of embodiment of the present invention cleaning part.
Fig. 5 is the cutaway view of embodiment of the present invention parts hollow wheel gear.
Fig. 6 is the structural representation of embodiment of the present invention connector part.
Detailed description of the invention
Below in conjunction with brief description of the drawings the specific embodiment of the present invention.As shown in Figures 1 to 6: a kind of serpentine coil cleaning device, it is by supporting slide rail 1, the drive part 2 that can slide along support slide rail 1, with 3 three the part compositions of cleaning part that are positioned at drive part 2 belows, wherein support slide rail 1 and comprise two symmetrically arranged tracks 4, be respectively arranged with fixture 5 at the axial two ends of track 4, this device is fixed on the heat exchange box at serpentine coil place by fixture 5, drive part 2 comprises a travelling car 6 matching with track 4, on travelling car 6, be provided with mobile motor 7, wheel and rack 32 on the output of this mobile motor 7 is meshed, tooth bar 32 is arranged between two fixtures 5 and with track 4 and is parallel to each other, be hinged with the chassis 8 that can swing with respect to travelling car 6 in the lower end of travelling car 6, the bottom rotational support on this chassis 8 has hollow wheel gear 9, this hollow wheel gear 9 drives by the rotary electric machine 10 being fixed on chassis 8, bottom on chassis 8 is fixedly installed bracing frame 31, be supported with upper end cover 11 at bracing frame 31 inner bearings, and this upper end cover 11 can together rotate with hollow wheel gear 9, bottom at upper end cover 11 is connected with bottom end cover 13 by multiple connecting rods 12, and connecting rod 12 is uniformly distributed on circumference, at upper end cover 11, in space between bottom end cover 13 and multiple connecting rod 12, be filled with air bag 14, be provided with equably multiple sparge pipes 15 in the outside of air bag 14, and one end of all sparge pipes 15 all with the intracavity inter-connection of hollow wheel gear 9, the water intake end of hollow wheel gear 9 is positioned at the upper end on chassis 8, on travelling car 6, be also provided with the air pump 17 with air gauge 16, this air pump 17 is connected with air bag 14 by pipeline, the connecting rod 12 of above-mentioned supporting setting and the air bag 14 of Qi Nei form an independent cleaning unit, and be also socketed with outward and the relatively-stationary cleaning cover of cleaning unit at cleaning unit, cleaning unit is multiple, and mutually connects by connector 27 between adjacent cleaning unit,
Fixture 5 comprises a fixed head 18 that is fixed on track 4 one end, on fixed head 18, be supported with fixed axis 19, the two ends of this fixed axis 19 are provided with two fixed mounts 20 symmetrically, fixed block 21 has been threaded on each fixed mount 20, and on each fixed block 21 with handwheel 22, be provided with clamping plate 23 with fixed block 21 matches, fixed mount 20 is connected with fixed axis 19 by fixed mount bolt 24; And above-mentioned handwheel 22 is symmetrically arranged two;
On travelling car 6, be also provided with swing span 25, on swing span 25, be threaded and swung handwheel 26, this bottom that swings handwheel 26 is hinged on chassis 8, and the pin joint between swing handwheel 26 and chassis 8 is between the center of circle and excircle on chassis 8, and this pin joint does not overlap with the center of circle on chassis 8;
On connector 27, even circumferential is distributed with multiple connecting holes 28, be provided with fixed bar 29 with connecting hole 28 matches, this fixed bar 29 can be at the interior axial play of connecting hole 28, and the central point of the top of fixed bar 29 and swing arm 30 is hinged, on connector 27, be also provided with the groove matching with swing arm 30, on the sidewall of connector 27, also offer the screwed hole communicating with connecting hole 28, be provided with set bolt with this screwed hole matches, the bottom of fixed bar 29 is connected with cleaning cover by connecting rope, cleaning cover is strapped on cleaning unit by multiple connecting ropes that are connected with fixed bar 29, cannot relatively rotate with cleaning unit.
The course of work of the serpentine coil cleaning device of the embodiment of the present invention is as follows: first utilize fixture 5 that this device entirety is fixed on the box heat exchanger at serpentine coil place, first adjust two distances between fixed mount 20 according to the width of required fixing position, then tighten fixed mount bolt 24, allow fixed mount 20 locate, then tighten handwheel 22, allow handwheel 22 and fixed mount 20 that box heat exchanger sidewall sheet materials such as (or with) the fixing reinforcements of sidewall is clamped, realize the entirety of cleaning device to fix; This fixture 5 can be adapted to sidewall fixing of different model, condition, thickness, and the scope of application is wider;
When mobile motor 7 is worked, because the gear on its output is meshed with being fixed on two tooth bars 32 between fixture 5, therefore can drive travelling car 6 to move on slide rail 4, drive cleaning part 3 to move along the axial direction of slide rail 4; In the time that rotary electric machine 10 is worked, because the gear on its working end is meshed with hollow wheel gear 9, therefore can drive hollow wheel gear 9 to rotate, when rotating, hollow wheel gear 9 can drive connected upper end cover 11 to rotate, the rotation of the cleaning unit of final all mutual series connection; In the time that needs cleaning unit is adjusted angle, pendulum rotating starts to take turns 26, allow the screw rod swinging on handwheel 26 do longitudinal motion, owing to being hinged relation between the bottom of this screw rod and chassis 8, and the pin joint between the two is on the center of circle on chassis 8, and chassis 8 can swing with respect to travelling car 6, therefore in the time of screw rod lengthwise movement, can drive chassis 8 to swing in small angle range, to be adapted to different cleaning conditions;
The swing of the transverse movement of cleaning device, the rotation of cleaning unit, cleaning unit, the combination of above-mentioned three kinds of motions, can realize the thorough cleaning to serpentine coil.
In the time cleaning, first the interior inflation of air bag 14 to all mutual series connection by air pump 17, allow all air bags 14 all in inflated condition, inflate the pipeline between rear dismounting air pump 17 and air bag 14, the cleaning cover in air bag 14 outsides can produce pressure to the outer wall of serpentine coil under the effect of air bag 14, now flexible air bag 14 will some be wrapped in the serpentine coil outside of rigidity, increases the contact area between the two, to improve cleaning performance and articulation efficiency; In the time of cleaning unit and serpentine coil generation relative motion, the frictional force of cleaning between cover and serpentine coil just can be struck off the dirt on serpentine coil outer wall, realizes the cleaning to serpentine coil; And in the process of cleaning, because the water intake end place of hollow wheel gear 9 is plugged with water pipe, therefore, in cleaning process, current can enter multiple sparge pipes 15 by the inner chamber of hollow wheel gear 9 and spray, and the dirt striking off on serpentine coil is rinsed.

Claims (7)

1. a serpentine coil cleaning device, it is characterized in that: described cleaning device is by supporting slide rail (1), can be along supporting the drive part (2) of slide rail (1) motion and being positioned at cleaning part (3) composition below drive part (2), wherein support slide rail (1) and comprise two symmetrically arranged tracks (4), be respectively arranged with fixture (5) at the axial two ends of track (4), drive part (2) comprises the travelling car (6) matching with track (4), on travelling car (6), be provided with mobile motor (7), be positioned at gear on mobile motor (7) output and be arranged on the tooth bar (32) paralleling between two fixtures (5) and with track (4) and be meshed, be hinged with chassis (8) in the lower end of travelling car (6), the bottom rotational support on chassis (8) has hollow wheel gear (9), hollow wheel gear (9) drives by the rotary electric machine (10) being fixed on chassis (8), on chassis, the bottom of (8) is fixedly installed bracing frame (31), bracing frame (31) inner bearing is supported with the upper end cover (11) with hollow wheel gear (9) interlock, the bottom of upper end cover (11) by multiple on circumference equally distributed connecting rod (12) be connected with bottom end cover (13), in upper end cover (11), in the space that bottom end cover (13) and multiple connecting rod (12) surround, be provided with air bag (14), the outside of air bag (14) is evenly distributed with multiple sparge pipes (15), all sparge pipes (15) all with the intracavity inter-connection of hollow wheel gear (9), the water intake end of hollow wheel gear (9) is positioned at the upper end of chassis (8), on travelling car (6), be provided with the air pump (17) with air gauge (16), air pump (17) is connected with air bag (14) by pipeline, described supporting connecting rod (12) and air bag (14) form a cleaning unit, also be socketed with outward and the relatively-stationary cleaning cover of cleaning unit at cleaning unit.
2. serpentine coil cleaning device according to claim 1, it is characterized in that: described fixture (5) comprises the fixed head (18) directly contacting with track (4), on fixed head (18), be supported with fixed axis (19), on fixed axis (19), be provided with symmetrically two fixed mounts (20), on each fixed mount (20), be all threaded with the handwheel (22) of fixed block (21), be provided with clamping plate (23) with fixed block (21) matches, fixed mount (20) is connected with fixed axis (19) by fixed mount bolt (24).
3. serpentine coil cleaning device according to claim 2, is characterized in that: described handwheel (22) is two, and is symmetrical arranged.
4. serpentine coil cleaning device according to claim 1, is characterized in that: described cleaning unit is multiple, and mutually connects by connector (27) between adjacent cleaning unit.
5. serpentine coil cleaning device according to claim 1, it is characterized in that: on described travelling car (6), be provided with swing span (25), swing handwheel (26) has been threaded on swing span (25), the bottom that swings handwheel (26) is hinged on chassis (8) above, and the pin joint swinging between handwheel (26) and chassis (8) is positioned between the center of circle and excircle on chassis (8).
6. serpentine coil cleaning device according to claim 4, is characterized in that: described connector is loop configuration, and its upper and lower two ends are respectively arranged with multiple jacks that match with connecting rod (12).
7. serpentine coil cleaning device according to claim 6, it is characterized in that: on described connector (27), be evenly distributed with multiple connecting holes (28), be provided with fixed bar (29) with connecting hole (28) matches, fixed bar (29) can be in connecting hole (28) axial float, the center of the top of fixed bar (29) and swing arm (30) is hinged, on connector (27), be provided with the groove matching with swing arm (30), on the sidewall of connector (27), also offer the screwed hole matching with connecting hole (28), be provided with set bolt with this screwed hole matches, the bottom of connector (27) is connected with cleaning cover by connecting rope.
CN201410320306.5A 2014-07-08 2014-07-08 Serpentine coil cleaning device Active CN104111002B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410320306.5A CN104111002B (en) 2014-07-08 2014-07-08 Serpentine coil cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410320306.5A CN104111002B (en) 2014-07-08 2014-07-08 Serpentine coil cleaning device

Publications (2)

Publication Number Publication Date
CN104111002A true CN104111002A (en) 2014-10-22
CN104111002B CN104111002B (en) 2016-03-16

Family

ID=51707892

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410320306.5A Active CN104111002B (en) 2014-07-08 2014-07-08 Serpentine coil cleaning device

Country Status (1)

Country Link
CN (1) CN104111002B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930912A (en) * 2015-03-11 2015-09-23 天津市通洁高压泵制造有限公司 Coordinate type positioning device of shell-and-tube heat exchanger cleaning facility
CN104930914A (en) * 2015-03-11 2015-09-23 天津市通洁高压泵制造有限公司 Shell-and-tube heat exchanger cleaning device
CN105080911A (en) * 2015-08-21 2015-11-25 洛阳正远石化有限公司 Cleaning and overturning system for indirect air cooling heat exchange pipe bundle
CN106734027A (en) * 2016-12-25 2017-05-31 广西壮族自治区机械工业研究院 The vertical automatic area changing and positioning device and method of heater cleaning equipment of uncapping
CN111288838A (en) * 2020-03-05 2020-06-16 惠安信德机械有限公司 Condensation mechanism of chemical crystallization equipment
CN115739871A (en) * 2022-10-27 2023-03-07 中核武汉核电运行技术股份有限公司 Hydraulic impact grinding device suitable for deposited sludge between heat transfer pipes

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803959A (en) * 1988-03-24 1989-02-14 The Babcock & Wilcox Company Indexing sootblower
CN2251126Y (en) * 1995-12-01 1997-04-02 战立海 Screw washing unit
KR100499693B1 (en) * 2002-08-29 2005-07-07 여수대학교산학협력단 Tube Edge Cleaning System for Heat Exchanger
KR100894982B1 (en) * 2007-12-28 2009-04-24 한상철 System for cleaning of the plate heat exchanger
CN201476687U (en) * 2009-07-29 2010-05-19 江苏科能电力机械有限公司 Horizontal drive device of air cooling condenser cleaning equipment
CN101936679A (en) * 2009-07-01 2011-01-05 韩电Kps株式会社 Apparatus for visually inspecting and removing foreign object in gaps of bundle of heating tubes of upper portion of tube sheet of secondary side of steam generator
CN204027418U (en) * 2014-07-08 2014-12-17 林泉 Serpentine coil cleaning device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4803959A (en) * 1988-03-24 1989-02-14 The Babcock & Wilcox Company Indexing sootblower
CN2251126Y (en) * 1995-12-01 1997-04-02 战立海 Screw washing unit
KR100499693B1 (en) * 2002-08-29 2005-07-07 여수대학교산학협력단 Tube Edge Cleaning System for Heat Exchanger
KR100894982B1 (en) * 2007-12-28 2009-04-24 한상철 System for cleaning of the plate heat exchanger
CN101936679A (en) * 2009-07-01 2011-01-05 韩电Kps株式会社 Apparatus for visually inspecting and removing foreign object in gaps of bundle of heating tubes of upper portion of tube sheet of secondary side of steam generator
CN201476687U (en) * 2009-07-29 2010-05-19 江苏科能电力机械有限公司 Horizontal drive device of air cooling condenser cleaning equipment
CN204027418U (en) * 2014-07-08 2014-12-17 林泉 Serpentine coil cleaning device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104930912A (en) * 2015-03-11 2015-09-23 天津市通洁高压泵制造有限公司 Coordinate type positioning device of shell-and-tube heat exchanger cleaning facility
CN104930914A (en) * 2015-03-11 2015-09-23 天津市通洁高压泵制造有限公司 Shell-and-tube heat exchanger cleaning device
CN105080911A (en) * 2015-08-21 2015-11-25 洛阳正远石化有限公司 Cleaning and overturning system for indirect air cooling heat exchange pipe bundle
CN106734027A (en) * 2016-12-25 2017-05-31 广西壮族自治区机械工业研究院 The vertical automatic area changing and positioning device and method of heater cleaning equipment of uncapping
CN106734027B (en) * 2016-12-25 2019-05-10 广西壮族自治区机械工业研究院 The vertical automatic area changing and positioning device and method of heater cleaning equipment of uncapping
CN111288838A (en) * 2020-03-05 2020-06-16 惠安信德机械有限公司 Condensation mechanism of chemical crystallization equipment
CN111288838B (en) * 2020-03-05 2021-09-24 山东国宏中能科技发展有限公司 Condensation mechanism of chemical crystallization equipment
CN115739871A (en) * 2022-10-27 2023-03-07 中核武汉核电运行技术股份有限公司 Hydraulic impact grinding device suitable for deposited sludge between heat transfer pipes

Also Published As

Publication number Publication date
CN104111002B (en) 2016-03-16

Similar Documents

Publication Publication Date Title
CN104111002A (en) Coiled pipe washing device
CN106239332B (en) A kind of oil pipeline inwall processing intelligence cleaning rust removalling equipment
CN106238415B (en) A kind of petroleum pipeline inner wall processor with cleaning, drying function
CN106247082B (en) A kind of gasoline feed pipe road inner wall full automatic treatment robot
CN208543333U (en) A kind of adjustable surface derusting device for steel tubes for building
CN107763312A (en) A kind of chemical pipeline support
CN110639900A (en) Pipeline inner wall cleaning robot
CN109454564B (en) Rust removal maintenance equipment of steel construction parking equipment
CN112495613B (en) Paint spraying and corrosion preventing device for interior of seamless steel pipe
CN206241835U (en) A kind of hydraulic engineering pipeline external surface derusting device
CN108723028B (en) Petroleum pipeline inner wall cleaning machine with self-stabilizing walking function
CN105964636A (en) Gasoline pipeline inner wall cleaning and drying intelligent integrated machine
CN207761250U (en) It is a kind of to facilitate the clean construction wall surface spraying device of paint can inner wall
CN103736699A (en) guide structure of pipeline cleaning device
CN204027418U (en) Serpentine coil cleaning device
CN109368393A (en) A kind of wrap-up of engineering construction lift well cable line
CN202316379U (en) Crankshaft surface washing box
CN207770376U (en) A kind of photovoltaic generation solar panel dust-extraction unit
CN212238489U (en) Pipeline cleaning device for oil exploration and exploitation convenient to adjust
CN107175245A (en) A kind of test tube automatic pollution removing equipment of the high-efficiency environment friendly of Chemical Engineering
CN203750891U (en) Innercircle brush cleaning machine of miniature bearing
CN213051212U (en) Automatic spraying device of FF oil storage tank
CN211027870U (en) Mechanical equipment for straightening reinforcing steel bar
CN203993420U (en) Spheroidal graphite cast-iron tube faucet sanding apparatus
CN209020689U (en) Glue sprayer is used in a kind of processing of mobile automobile part

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20191115

Address after: 116000, Liaoning province Dalian Pu Wan New District Stone Street Street Chinese Countryside

Patentee after: DALIAN HUIZHIDA TECHNOLOGY CO., LTD.

Address before: 5, 350000, pioneer garden, No. 10 South Harbour Road, Cangshan District, Fujian, Fuzhou, 403

Patentee before: Lin Quan