CN108387132A - A kind of tubular heat exchanger cleaning and dredging device - Google Patents
A kind of tubular heat exchanger cleaning and dredging device Download PDFInfo
- Publication number
- CN108387132A CN108387132A CN201810160456.2A CN201810160456A CN108387132A CN 108387132 A CN108387132 A CN 108387132A CN 201810160456 A CN201810160456 A CN 201810160456A CN 108387132 A CN108387132 A CN 108387132A
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- China
- Prior art keywords
- water
- pipe
- heat exchanger
- dredging
- tubular heat
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G3/00—Rotary appliances
- F28G3/04—Rotary appliances having brushes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G3/00—Rotary appliances
- F28G3/08—Rotary appliances having coiled wire tools, i.e. basket type
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a kind of tubular heat exchanger cleaning and dredging devices, including pedestal, the base lower surface is provided with idler wheel, the base upper surface is provided with water tank, big battery case and Duo Gen square tubes, it is connected with installing pipe by placement plate between the more square tubes, the installing pipe side is connected with water-supply-pipe, the water delivery pipe end connection dredging washer；Water pump is installed, the pump intake is connected to by suction hose with the water tank inside bottom, and the pump outlet is connected to by outlet pipe with the square tube on the water tank；The base upper surface edge is provided with the floor push being electrically connected with the water pump.Advantageous effect is：A kind of tubular heat exchanger cleaning and dredging device of the present invention can clean the heating tube of various thicknesses automatically, and can be dredged to blind pipe, eliminate the trouble of subsequent artefacts' dredging, time saving and energy saving, practicability is good.
Description
Technical field
The present invention relates to field of heat exchangers, and in particular to a kind of tubular heat exchanger cleaning and dredging device.
Background technology
Tubular heat exchanger is a kind of relatively conventional heat transmission equipment.Based on shell and tube have low pressure drop, it is cheap,
The advantages such as compact-sized, long lifespan, therefore it is widely used in the crowds such as food, chemical industry, biological medicine, plant extract, fermentation
In conglomerate.But since the heating tube of tubular heat exchanger common currently on the market generally mostly uses rectangle stringing so that
Later stage is cumbersome to the cleaning of heating tube, it is often necessary to each heating tube of man-hour manually hand-held giant hydro-peening, cleaning
Measure it is larger, it is time-consuming and laborious, although occurring a variety of tubular heat exchanger automatic flushing devices currently on the market, these row
Pipe heat exchanger automatic flushing device in actual use, there is problems：
For example application No. is 201610755767.4 Chinese invention patents, and it is automatically clear to disclose a kind of tubular heat exchanger
Cleaning device, tubular heat exchanger are distributed on identical spiral shell square P, identical interval D on spiral of Archimedes by several
Heating tube forms, and the composite drive cylinder with positioning pin of automatic flushing device is located on the nozzle of first heating tube, high
Pressure water cleaning pipe and high-pressure wash head are connect with air motor and pressure-control valve, the driving wheel equipped with auxiliary rotation air motor
Mounted on sliding rail rack one end, retaining mechanism is mounted in fixed seat, and retaining mechanism is fixed on sliding rail by holder locking nut
The other end of holder, fixed seat are fixed on the center of central downtake, and the composite drive cylinder with positioning pin drives with positioning
It is dynamic to be connected with the direction control mechanism of high-pressure wash head；
Above-mentioned tubular heat exchanger automatic flushing device is merely capable of to heating tube using spiral of Archimedes arrangement
Tubular heat exchanger is cleaned, for the tubular heat exchanger of general and very common heating tube rectangular array distribution
But it can not be cleaned, and during cleaning heating tube, be formed if the sundries such as heating tube internal cause incrustation scale are blocked automatically
When blind pipe, above-mentioned tubular heat exchanger automatic flushing device just directly skips the heating tube, therefore subsequently also needs to manually to this
Heating tube carries out dredging operation, and practicability is poor.
Invention content
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of tubular heat exchanger cleaning and dredging device,
It can not be rectangular to heating tube common in the market with the tubular heat exchanger automatic flushing device for solving traditional in the prior art
The tubular heat exchanger of array distribution carries out the problems such as cleaning and can not be dredged to blind pipe automatically.It is provided by the invention all
Preferred technical solution can clean the heating tube of various thicknesses automatically in more technical solutions, and can to blind pipe into
Row dredging eliminates the trouble of subsequent artefacts' dredging, time saving and energy saving, and practicability waits well technique effects, elaboration as detailed below.
To achieve the above object, the present invention provides following technical schemes：
A kind of tubular heat exchanger cleaning and dredging device provided by the invention, including pedestal, the base lower surface setting
There are idler wheel, the base upper surface to be provided with water tank, big battery case and Duo Gen square tubes, pass through placement between the more square tubes
Plate is connected with installing pipe, and the installing pipe side is connected with water-supply-pipe, the water delivery pipe end connection dredging washer；It is described
Water pump is installed, the pump intake is connected to by suction hose with the water tank inside bottom, the water pump on water tank
Water outlet is connected to by outlet pipe with the square tube；The base upper surface edge is provided with the foot being electrically connected with the water pump
Step on switch；
The dredging washer includes sleeve, the baby battery that is fixedly mounted on described cylinder one end, be fixedly mounted on it is described
The decelerating motor of sleeve inner, the electric drive hydraulic thruster being fixedly mounted in the reducing motor output shaft, fixation are set in institute
It states the spiral head on the push rod cup of electric drive hydraulic thruster, the fixed sealing drum for being set in described cartridge exterior one end, be fixedly mounted
In the cartridges sides and the water inlet pipe that is connected to the water-supply-pipe and the sleeve inner；Control is installed on the water inlet pipe
Valve, there are three be electrically connected with the control valve, the decelerating motor and the electric drive hydraulic thruster respectively for the cartridges sides setting
The control switch connect.
Preferably, the placement plate upper surface offers placing groove；
Wherein, the placing groove is major arc slot；
Wherein, the internal diameter of the major arc slot is equal with the outer diameter of the sleeve.
Preferably, the spiral head side is evenly distributed with brush filament and bristle；
Wherein, the brush filament uses iron wire；
Wherein, the bristle is located at one end close to the sealing drum on the spiral head.
Preferably, the placement plate and the installing pipe quantity have it is multiple, and between the more square tubes from upper and
It is alternately arranged in linear type down；
Wherein, it is connected to inside the installing pipe both ends and the square tube；
Wherein, the every installing pipe side is communicated with the more water-supply-pipes；
Wherein, the every water delivery pipe end is mounted on the dredging washer.
Preferably, the fuselage back of the electric drive hydraulic thruster is installed with transmission shaft；
Wherein, the transmission shaft other end be inserted into the output shaft of the decelerating motor and with the reducing motor output shaft
It is fixedly connected.
Preferably, being provided with baffle ring in the middle part of the cartridges sides；
Wherein, the baffle ring is structure as a whole with the sleeve；
Wherein, the outer diameter of the sleeve should be less than the internal diameter of the heating tube of caliber minimum.
Preferably, the sealing drum is made of rubber；
Wherein, there are many models of the sealing drum；
Wherein, it the internal diameter of various types of sealing drums and is equal in length；
Wherein, the outer diameter of various types of sealing drums is each unequal.
Preferably, there are many models of the spiral head；
Wherein, the diameter of various types of spiral heads is each unequal.
Preferably, the control switch being electrically connected with the electric drive hydraulic thruster uses single-pole double-throw switch (SPDT).
Above-mentioned a kind of tubular heat exchanger cleaning and dredging device, in use, described in being first placed in the placing groove
Dredging washer is removed, and then chooses the matched sealing drum and the spiral according to the internal diameter of heating tube to be cleaned
Head, and the sealing drum and the spiral head are fixed on the dredging washer, later, using the spiral head as head,
The dredging washer is inserted into the heating tube of tubular heat exchanger, until the baffle ring is in contact with heating tube, at this point, institute
Sealing drum is stated to fix heating tube ferrule；Then, the control switch control decelerating motor and described electronic is operated
Hydraulic push rod rotates, while operating the floor push and controlling the water pump and rotate and the washings in the water tank are passed through institute
It states square tube, the installing pipe, the water-supply-pipe, the water inlet pipe and is pumped into the sleeve inner and wash away the spiral head and heating tube
Inner wall；The decelerating motor rotation drives the electric drive hydraulic thruster, spiral head rotation, the electric drive hydraulic thruster rotation
It pushes the spiral head to the other end of heating tube to advance to move, in moving process, the spiral head can will be pasted onto heating
Stain on inside pipe wall, incrustation scale, impurity etc. are wiped off, and the brush filament and the bristle can be scrubbed further in heating tube
Wall, it is ensured that heating inside pipe wall, to complete the dredging washing and cleaning operation to heating tube, eliminates subsequent artefacts' dredging totally without spot
Trouble, time saving and energy saving, practicability is good；In actual use, multiple dredging washers can be inserted into more simultaneously
It in heating tube, can substantially shorten scavenging period in this way, and not influenced that (shell and tube having is changed by heating tube spread geometry is different
The heating tube rectangular array of hot device is distributed, hexagonal, the Triangle-Profile having), if the caliber of heating tube is inconsistent, can lead to
It crosses and replaces the matching sealing drum and the spiral head to solve, in short, needing the set through the sealing drum
Cylinder is fixedly plugged in heating tube nozzle, and ensures that the spiral head can be in contact with heating inside pipe wall, in this way could really
The sundries such as the incrustation scale protected on heating inside pipe wall are wiped off by the spiral head, while the washings in heating tube will not be from the sealing
It is revealed at cylinder.
Advantageous effect is：A kind of tubular heat exchanger cleaning and dredging device of the present invention can be to various thicknesses
Heating tube is cleaned automatically, and can be dredged to blind pipe, and the trouble of subsequent artefacts' dredging is eliminated, time saving and energy saving,
Practicability is good.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the front view of the present invention；
Fig. 2 is the right view of the present invention；
Fig. 3 is the internal structure chart of Fig. 1 of the present invention；
Fig. 4 is the partial enlarged view of Fig. 3 of the present invention；
Fig. 5 is the front view of the dredging washer of the present invention；
Fig. 6 is the internal structure chart of Fig. 5 of the present invention.
The reference numerals are as follows：
1, pedestal；2, idler wheel；3, water tank；4, big battery case；5, square tube；6, placement plate；7, installing pipe；8, placing groove；
9, water-supply-pipe；10, washer is dredged；11, floor push；12, sleeve；13, baby battery；14, decelerating motor；15, transmission shaft；
16, electric drive hydraulic thruster；17, baffle ring；18, water inlet pipe；19, control valve；20, sealing drum；21, spiral head；22, brush filament；23, it brushes
Hair；24, control switch；25, suction hose；26, outlet pipe；27, water pump.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Shown in Fig. 1-Fig. 6, a kind of tubular heat exchanger cleaning and dredging device provided by the invention, including pedestal 1, bottom
1 lower surface of seat is provided with idler wheel 2, and 1 upper surface of pedestal is provided with water tank 3, big battery case 4 and Duo Gen square tubes 5, more square tubes 5
Between be connected with installing pipe 7 by placement plate 6,5 one side of square tube is for installing fixed placement plate 6 and installing pipe 7, another party
Face is connected with water-supply-pipe 9,9 end of water-supply-pipe connection dredging washer 10 for being connected to installing pipe 7,7 side of installing pipe；Water tank
Water pump 27 is installed, 27 water inlet of water pump is connected to by suction hose 25 with 3 inside bottom of water tank, and 27 water outlet of water pump is logical on 3
Outlet pipe 26 is crossed to be connected to square tube 5；The floor push 11 being electrically connected with water pump 27 is provided at 1 top surface edge of pedestal；
Dredging washer 10 include sleeve 12, be fixedly mounted on cylinder one end baby battery 13, be fixedly mounted on sleeve 12
Internal decelerating motor 14, the electric drive hydraulic thruster 16 being fixedly mounted on 14 output shaft of decelerating motor, it is fixed be set in it is electronic
Spiral head 21, fixation on the push rod cup of hydraulic push rod 16 are set in the sealing drum 20 of 12 outside one end of sleeve, are fixedly mounted on
12 side of sleeve and the water inlet pipe 18 being connected to water-supply-pipe 9 and 12 inside of sleeve, sealing drum 20 are used for the sealing fixation of sleeve 12
In heating tube, washings is avoided to be revealed from sleeve 12；Control valve 19 is installed, control valve 19 is for controlling on water inlet pipe 18
Water inlet pipe 18 is discharged, and after a heating tube dredging cleaning, operable control valve 19 closes water inlet pipe 18, then pulls up thin
Logical washer 10 is inserted into the heating tube of another cleaning to be unclogged, and then operation control valve 19 opens water inlet pipe 18 again；Sleeve
The control switch 24 that there are three the settings of 12 sides is electrically connected with control valve 19, decelerating motor 14 and electric drive hydraulic thruster 16 respectively,
Control switch 24 is acted for controlling control valve 19, decelerating motor 14 and electric drive hydraulic thruster 16.
As optional embodiment, 6 upper surface of placement plate offers placing groove 8, and placing groove 8 is for placing dredging cleaning
Device 10；
Wherein, placing groove 8 is major arc slot；
Wherein, the internal diameter of major arc slot is equal with the outer diameter of sleeve 12, designs in this way, can be clamped on dredging washer 10 and put
It sets in slot 8, placing groove 8 is avoided to be slid from placement plate 6.
21 side of spiral head is evenly distributed with brush filament 22 and bristle 23；
Wherein, brush filament 22 uses iron wire, designs in this way, and it is dirty can will to be pasted onto the stubbornness on heating inside pipe wall by brush filament 22
Stain brushes off；
Wherein, bristle 23 is located at close to one end of sealing drum 20 on spiral head 21, designs in this way, ensures that brush filament 22 is first scrubbed
Inside pipe wall is heated, heating inside pipe wall is scrubbed after bristle 23.
Placement plate 6 and 7 quantity of installing pipe have multiple, and are alternately arranged from top to bottom in linear type between more square tubes 5；
Wherein, 7 both ends of installing pipe are connected to 5 inside of square tube；
Wherein, every 7 side of installing pipe is communicated with more water-supply-pipes 9；
Wherein, every 9 end of water-supply-pipe is mounted on dredging washer 10, designs in this way, can be simultaneously to more heating tubes
Dredging cleaning is carried out, effectively shortens scavenging period.
The fuselage back of electric drive hydraulic thruster 16 is installed with transmission shaft 15；
Wherein, 15 other end of transmission shaft is inserted into the output shaft of decelerating motor 14 and is fixed with 14 output shaft of decelerating motor and connected
It connects, transmission shaft 15 facilitates decelerating motor 14 to be fixedly connected with electric drive hydraulic thruster 16.
It is provided with baffle ring 17 in the middle part of 12 side of sleeve；
Wherein, baffle ring 17 is structure as a whole with sleeve 12, and baffle ring 17 is for preventing sleeve 12 to be excessively inserting in heating tube；
Wherein, the outer diameter of sleeve 12 should be less than the internal diameter of the heating tube of caliber minimum, design in this way, ensure that sleeve 12 is arranged
The heating tube of various calibers can be tightly inserted into after sealing drum 20.
Sealing drum 20 is made of rubber；
Wherein, there are many models of sealing drum 20；
Wherein, it the internal diameter of various types of sealing drums 20 and is equal in length；
Wherein, the outer diameter of various types of sealing drums 20 is each unequal, designs in this way so that dredging washer 10 can be right
The heating tube of various different thicknesses carries out dredging cleaning.
There are many models of spiral head 21；
Wherein, the diameter of various types of spiral heads 21 is each unequal, designs in this way so that dredging washer 10 can be right
The heating tube of various different thicknesses carries out dredging cleaning.
The control switch 24 being electrically connected with electric drive hydraulic thruster 16 uses single-pole double-throw switch (SPDT), designs in this way, can pass through list
Double-pole double throw switch controls 16 positive and negative rotation of electric drive hydraulic thruster.
Above-mentioned a kind of tubular heat exchanger cleaning and dredging device, in use, first cleaning the dredging being placed in placing groove 8
Device 10 is removed, and then chooses matched sealing drum 20 and spiral head 21 according to the internal diameter of heating tube to be cleaned, and will be close
Sealed tube 20 and spiral head 21 are fixed on dredging washer 10, are head with spiral head 21 later, and dredging washer 10 is inserted into
In the heating tube of tubular heat exchanger, until baffle ring 17 is in contact with heating tube, at this point, sealing drum 20 is by heating tube ferrule
It is fixed；Then, operation-control switch 24 controls decelerating motor 14 and electric drive hydraulic thruster 16 rotates, while operating floor push 11
Washings in water tank 3 are pumped into sleeve 12 by the control rotation of water pump 27 by square tube 5, installing pipe 7, water-supply-pipe 9, water inlet pipe 18
Spiral head 21 and heating inside pipe wall are washed away in inside；The rotation of decelerating motor 14 drives electric drive hydraulic thruster 16, spiral head 21 to rotate, electricity
The rotation of hydrodynamic pressure push rod 16 pushes spiral head 21 to advance to the other end of heating tube and moves, and in moving process, spiral head 21 can
The stain that will be pasted onto on heating inside pipe wall, incrustation scale, impurity etc. are wiped off, and brush filament 22 and bristle 23 can be scrubbed further and be added
Heat pipe inner wall, it is ensured that heating inside pipe wall is totally without spot, to complete, to the dredging washing and cleaning operation of heating tube, to eliminate follow-up people
The trouble of work dredging, time saving and energy saving, practicability is good；In actual use, multiple dredging washers 10 can be inserted into simultaneously
It in more heating tubes, can substantially shorten scavenging period in this way, and not influenced the (tubulation having by heating tube spread geometry is different
The heating tube rectangular array of formula heat exchanger is distributed, hexagonal, the Triangle-Profile having), if the caliber of heating tube is inconsistent,
It can be solved by replacing matching sealing drum 20 and spiral head 21, in short, needing to consolidate sleeve 12 by sealing drum 20
Surely it is plugged in heating tube nozzle, and ensures that spiral head 21 can be in contact with heating inside pipe wall, just can ensure that heating in this way
The sundries such as the incrustation scale on inside pipe wall are wiped off by spiral head 21, while the washings in heating tube will not be revealed from sealing drum 20.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of tubular heat exchanger cleaning and dredging device, including pedestal (1), it is characterised in that：Pedestal (1) lower surface is set
It is equipped with idler wheel (2), pedestal (1) upper surface is provided with water tank (3), big battery case (4) and more square tubes (5), more institutes
It states and is connected with installing pipe (7) by placement plate (6) between square tube (5), installing pipe (7) side is provided with water-supply-pipe (9),
Water-supply-pipe (9) the end connection dredging washer (10)；Water pump (27), the water pump are installed on the water tank (3)
(27) water inlet is connected to by suction hose (25) with the water tank (3) inside bottom, and water pump (27) water outlet is by going out
Water pipe (26) is connected to the square tube (5)；It is provided at pedestal (1) top surface edge and to be electrically connected with the water pump (27)
Floor push (11)；
The dredging washer (10) includes sleeve (12), the baby battery (13) that is fixedly mounted on described cylinder one end, fixed peace
Mounted in the sleeve (12) internal decelerating motor (14), the electronic liquid that is fixedly mounted on the decelerating motor (14) output shaft
Pressure push rod (16), the fixed spiral head (21) being set on the push rod cup of the electric drive hydraulic thruster (16), fixation are set in institute
State the sealing drum (20) of the external one end of sleeve (12), be fixedly mounted on the sleeve (12) side and with the water-supply-pipe (9) and
The water inlet pipe (18) being connected to inside the sleeve (12)；Control valve (19), the sleeve are installed on the water inlet pipe (18)
(12) side setting there are three respectively with the control valve (19), the decelerating motor (14) and the electric drive hydraulic thruster (16)
The control switch (24) of electrical connection.
2. a kind of tubular heat exchanger cleaning and dredging device according to claim 1, it is characterised in that：The placement plate
(6) upper surface offers placing groove (8)；
Wherein, the placing groove (8) is major arc slot；
Wherein, the internal diameter of the major arc slot is equal with the outer diameter of the sleeve (12).
3. a kind of tubular heat exchanger cleaning and dredging device according to claim 1, it is characterised in that：The spiral head
(21) side is evenly distributed with brush filament (22) and bristle (23)；
Wherein, the brush filament (22) uses iron wire；
Wherein, the bristle (23) is located at one end close to the sealing drum (20) on the spiral head (21).
4. a kind of tubular heat exchanger cleaning and dredging device according to claim 1, it is characterised in that：The placement plate
(6) and the installing pipe (7) quantity has multiple, and is alternately arranged from top to bottom in linear type between the more square tubes (5)；
Wherein, it is connected to inside installing pipe (7) both ends and the square tube (5)；
Wherein, every installing pipe (7) side is communicated with the more water-supply-pipes (9)；
Wherein, every water-supply-pipe (9) end is mounted on the dredging washer (10).
5. a kind of tubular heat exchanger cleaning and dredging device according to claim 1, it is characterised in that：The electric hydaulic
The fuselage back of push rod (16) is installed with transmission shaft (15)；
Wherein, transmission shaft (15) other end be inserted into the output shaft of the decelerating motor (14) and with the decelerating motor
(14) output shaft is fixedly connected.
6. a kind of tubular heat exchanger cleaning and dredging device according to claim 1, it is characterised in that：The sleeve (12)
It is provided with baffle ring (17) in the middle part of side；
Wherein, the baffle ring (17) is structure as a whole with the sleeve (12)；
Wherein, the outer diameter of the sleeve (12) should be less than the internal diameter of the heating tube of caliber minimum.
7. a kind of tubular heat exchanger cleaning and dredging device according to claim 1, it is characterised in that：The sealing drum
(20) rubber is used to make；
Wherein, there are many models of the sealing drum (20)；
Wherein, it the internal diameter of various types of sealing drums (20) and is equal in length；
Wherein, the outer diameter of various types of sealing drums (20) is each unequal.
8. a kind of tubular heat exchanger cleaning and dredging device according to claim 1, it is characterised in that：The spiral head
(21) there are many models；
Wherein, the diameter of various types of spiral heads (21) is each unequal.
9. a kind of tubular heat exchanger cleaning and dredging device according to claim 1, it is characterised in that：With the electronic liquid
The control switch (24) that push rod (16) is electrically connected is pressed to use single-pole double-throw switch (SPDT).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160456.2A CN108387132A (en) | 2018-02-27 | 2018-02-27 | A kind of tubular heat exchanger cleaning and dredging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810160456.2A CN108387132A (en) | 2018-02-27 | 2018-02-27 | A kind of tubular heat exchanger cleaning and dredging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108387132A true CN108387132A (en) | 2018-08-10 |
Family
ID=63068535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810160456.2A Withdrawn CN108387132A (en) | 2018-02-27 | 2018-02-27 | A kind of tubular heat exchanger cleaning and dredging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108387132A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465256A (en) * | 2018-12-30 | 2019-03-15 | 江苏亚星波纹管有限公司 | Block bellows scrub dredger |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109465256A (en) * | 2018-12-30 | 2019-03-15 | 江苏亚星波纹管有限公司 | Block bellows scrub dredger |
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Application publication date: 20180810 |