CN104075615B - A kind of self-cleaning intelligence case tube heat exchanger and method - Google Patents
A kind of self-cleaning intelligence case tube heat exchanger and method Download PDFInfo
- Publication number
- CN104075615B CN104075615B CN201410269011.XA CN201410269011A CN104075615B CN 104075615 B CN104075615 B CN 104075615B CN 201410269011 A CN201410269011 A CN 201410269011A CN 104075615 B CN104075615 B CN 104075615B
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- China
- Prior art keywords
- cleaner plate
- heat exchanger
- leading screw
- ring
- gripper shoe
- 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.)
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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
- F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- 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
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/08—Non-rotary, e.g. reciprocated, appliances having scrapers, hammers, or cutters, e.g. rigidly mounted
-
- 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
- F28G15/00—Details
-
- 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
- F28G15/00—Details
- F28G15/003—Control arrangements
-
- 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
- F28G15/00—Details
- F28G15/02—Supports for cleaning appliances, e.g. frames
-
- 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
- F28G15/00—Details
- F28G15/04—Feeding and driving arrangements, e.g. power operation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The present invention relates to a kind of self-cleaning intelligence case tube heat exchanger and method.Cleaner plate assembly, cleaner plate positioning guide rail, gripper shoe, cleaner plate power leading screw and sewage runner cleaning block is had additional at housing cavity, cleaner plate power leading screw is rotated by the autocontrol step motor drive of shell end, cleaner plate power leading screw is installed cleaner plate assembly, gripper shoe, cleaner plate positioning guide rail it is equipped with up and down at housing cavity, cleaner plate assembly is under the driving of cleaner plate power leading screw, moving forward and backward along cleaner plate positioning guide rail, the dirt of heat exchanging tube-surface carries out scraping milling；The present invention solves the problem of heat exchanger soil cleaning, the technical barrier that before solving, shell and tube exchanger cannot be the most clear.Solving oil field to produce, trade effluent and dyeing sewage can not be by difficult problems for heat exchanger heat exchange.And improve the heat exchange efficiency of heat exchanger, add the service life of heat exchanger.
Description
Technical field
The present invention relates to a kind of shell-tube type heat transmission equipment and method, particularly to a kind of self-cleaning intelligence case tube heat exchanger and
Method.
Background technology
Shell-and-tube heat exchanger is by the common processing equipment of heat exchange operation.It is widely used in chemical industry, oil, oil
In the industrial departments such as work, electric power, light industry, metallurgy, atomic energy, shipbuilding, aviation, heat supply.Particularly add in petroleum refining and chemistry
During frock is put, occupy extremely important status.But heat exchanger is in use, scale can inevitably occur in
On heating surface, scale formation occur, scale thermal resistance is higher, greatly reduces rate of heat transfer；Simultaneously because fouling subtracts
Little flow area, media flow resistance increases, and energy consumption increases.The attachment of heat exchanger dirt and blocking are to hinder heat exchanger heat exchange effect
Rate and the main factor in life-span, the cleaning of heat exchanger is the maximum difficult point of the most common shell and tube exchanger.Existing heat exchange
The cleaning of device is divided into mechanical type and chemical formula, and shell and tube exchanger cannot thoroughly be cleaned by both approaches, and this just hinders and changes
The range of hot device and efficiency.A lot of high temperature sewage seriously cannot use due to water quality fouling heat exchanger to carry out recovery waste heat and cause
Thermal source is wasted.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, it is provided that a kind of self-cleaning intelligence package heat exchange
Device and method, the heat exchanger that can use in various high impurity water quality, it can be by the cleaning equipment of self according to sewage
Fouling speed come timing heat exchanger various foulings carry out self-cleaning, reach real non-scaling high efficient heat exchanging, expand
The range of heat exchanger.
A kind of self-cleaning intelligence case tube heat exchanger, including housing (O), heat exchanger tube (H), tube sheet (M), sewage inlet (F), soft
Changing water out (D), soften water inlet (L) and outlet of sewer (N), the inner chamber of described housing (O) is provided with organizes heat exchanger tube (H) more, changes
The two ends of heat pipe (H) connect by tube sheet (M) is fixing, and one end of housing (O) is provided with sewage inlet (F) and softens water out (D),
The other end is provided with softening water inlet (L) and outlet of sewer (N), and described softening water out (D), heat exchanger tube (H) and softening water enter
Mouth (L) connection, described sewage inlet (F), the inner chamber of housing (O) connect with outlet of sewer (N), it is characterized in that: at housing (O)
Inner chamber has additional cleaner plate assembly (G), cleaner plate positioning guide rail (I), gripper shoe (K), cleaner plate power leading screw (J) and sewage stream
Road cleaning block (P), cleaner plate power leading screw (J) is driven by the autocontrol motor (C) of shell end and rotates, in cleaner plate
Power leading screw (J) is upper installs one or more cleaner plate assembly (G), one or more gripper shoe (K), at shell
Body (O) inner chamber be equipped with cleaner plate positioning guide rail (I) up and down, cleaner plate assembly (G) is in the driving of cleaner plate power leading screw (J)
Under, moving forward and backward along cleaner plate positioning guide rail (I), the dirt on exchange heat pipe (H) surface carries out scraping milling；Described gripper shoe
(K) being enclosed within cleaner plate power leading screw (J), when cleaner plate power leading screw (J) rotates, gripper shoe (K) is motionless, carries out housing propping up
Support；The tube sheet (M) at housing two ends is provided with many groups sewage runner cleaning block (P) that can rush milling sewage runner, at housing
End is provided with control chip (A) and timing controlled panel (B), tube sheet (M) center in left side controlling autocontrol motor (C)
Being provided with cleaner plate power leading screw oil sealing (E), tube sheet (M) center on right side is provided with leading screw axle sleeve (Q).
Above-mentioned cleaner plate assembly (G) includes sewage runner hole (Ga), leading screw axis hole (Gb), cleaner plate (Gc), heat exchanger tube
Hole (Gd), wiper ring (Ge), lead screw shaft nut (Gh), cleaner plate guide rail hole, location (Gs), described cleaner plate (Gc) is by circle
The two panels cleaner plate composition of structure, described cleaner plate (Gc) is furnished with many groups sewage runner hole (Ga) and heat exchange pore (Gd), clearly
The center of clean plate (Gc) is provided with leading screw axis hole (Gb), and leading screw axis hole (Gb) is provided with lead screw shaft nut (Gh), is often organizing heat exchange pore
(Gd) position is provided with wiper ring (Ge), clamps multiple wiper ring (Ge) by two groups of cleaner plate (Gc), and utilizes wiper ring
(Ge) surface of exchange heat pipe (H) carries out scraping milling；The cleaner plate guide rail that is respectively arranged at two ends with up and down of described cleaner plate (Gc) is determined
Hole, position (Gs), is slidably matched by the cleaner plate positioning guide rail (I) of cleaner plate guide rail hole, location (Gs) with housing (O) inner chamber；Institute
The external diameter of the cleaner plate (Gc) stated is less than the internal diameter of housing.
Above-mentioned gripper shoe (K) includes gripper shoe sewage runner hole (Ka), gripper shoe leading screw axis hole (Kb), gripper shoe
(Kc), gripper shoe heat exchange pore (Kd), described gripper shoe (Kc) is laid with many groups gripper shoe sewage runner hole (Ka), many groups
Fagging heat exchange pore (Kd), center is provided with gripper shoe leading screw axis hole (Kb), gripper shoe leading screw axis hole (Kb) and cleaner plate power silk
Thick stick (J) is slidably matched.
Above-mentioned sewage runner cleaning block (P) is arranged on the inner side of two tube sheets (M), and sewage runner cleaning block (P) uses
The shape matched with sewage runner mouth, is distributed in the position corresponding with the sewage runner hole (Ga) of cleaner plate assembly (G), dirty
The external diameter of water flow passage cleaning block (P) is less than the internal diameter in sewage runner hole (Ga).
Above-mentioned wiper ring (Ge) is made up of left ring and right ring, and the internal ring of left ring is provided with spaced groove, right ring
Internal ring be provided with spaced projection, left ring is inlayed with right ring and is combined, and forms the groove of left ring with right after merging
The projection of ring is close to each other, it is achieved left ring scrapes the half circumferential area of milling heat exchanger tube (H), and it is remaining that right ring scrapes milling heat exchanger tube (H)
Second half circumferential area, reduces and scrapes milling resistance.
It is protruding (Ge3) that the right side of above-mentioned left ring (Ge1) is provided with cross, and the internal ring of right ring (Ge2) is provided with correspondence
Cross groove；Left ring (Ge1) inlays combination by cross protruding (Ge3) with cross groove with right ring (Ge2).
Above-mentioned wiper ring (Ge) is clipped at the fluting of cleaner plate intermediate heat transfer pore (Gd), and is provided with and makes wiper ring upper and lower
The surplus capacity moved left and right.
The using method of a kind of self-cleaning intelligence case tube heat exchanger, is realized by following methods:
First, it is enclosed within many heat exchanger tubes organizing wiper ring (Ge) more respectively, is then clamped many by two groups of cleaner plate (Gc)
Individual wiper ring (Ge), organizes cleaner plate (Gc) and it is possible to install on a heat exchanger tube more, inner by timing controlled panel (B)
Control chip (A) controls autocontrol motor (C) start by set date, and autocontrol motor (C) drives cleaner plate power leading screw
(J) rotate, have feed screw nut (Gh) in the lead screw hole at cleaner plate center, cleaner plate power leading screw (J) rotarily drive cleaner plate
(Gc) movable, the wiper ring (Ge) being clipped in cleaner plate moves forward and backward with cleaner plate (Gc), then absorption while moving
Dirt on heat exchanger tube scrapes mill off；Meanwhile, the outer rim utilizing cleaner plate (Gc) carries out dirt to housing (O) inwall and scrapes milling；
Secondly, the sewage runner in cleaner plate is rushed by sewage runner cleaning block (P) in recycling two tube sheet (M)
Milling, sewage runner cleaning block (P) external diameter is less than sewage runner internal diameter, and the dirt scraped after cleaning can be pulled away with sewage, scrapes
The interval time of milling sets according to sewage scale velocity, reaches to clean the purpose of heat exchanger by the method.
Preferably, cleaner plate power leading screw (J) drives cleaner plate assembly (G) to move forward and backward, and its track is by middle base
This anchor point moves to gripper shoe side to side, then, more reversely move to from gripper shoe side tube sheet side or another
Individual gripper shoe side；Finally, original basic fixed position point is returned.
The invention has the beneficial effects as follows: the present invention can produce soil conditions by heat transferring medium and regularly utilize motor band
Dynamic power leading screw rotates, and one is to drive cleaner plate heat exchanger inner walls to carry out dirt to scrape milling, and two is to drive in cleaner plate
Wiper ring exchange heat pipe carries out scraping milling, and three are and utilize the cleaning block on tube sheet to rush the sewage runner in cleaner plate
Wash；The heat exchanger that can use in various high impurity water quality, it can be by the equipment that the cleans fouling according to sewage of self
Speed carrys out the various foulings of timing heat exchanger and carries out self-cleaning.Reach real non-scaling high efficient heat exchanging.Expand heat exchange
The range of device, in the past in the industry such as oil, printing and dyeing due to the dregs of fat, glue class batting and polymer and high salinity can not
The sewage recycled can realize heat recovery now.
The present invention solves the problem of heat exchanger soil cleaning, the skill that before solving, shell and tube exchanger cannot be the most clear
An art difficult problem.Solving oil field to produce, trade effluent and dyeing sewage can not be by difficult problems for heat exchanger heat exchange.And improve
The heat exchange efficiency of heat exchanger, adds the service life of heat exchanger.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the movement locus figure of the cleaner plate of the present invention；
Fig. 3 is the front view of the cleaner plate assembly of the present invention；
Fig. 4 is the side view of the cleaner plate assembly of the present invention；
Fig. 5 is the side view of the gripper shoe assembly of the present invention；
Fig. 6 is the front view of the tube sheet cleaning block of the present invention；
Fig. 7 is the side view of the tube sheet cleaning block of the present invention；
Fig. 8 is casing cross-section figure and the positioning guide rail partial enlarged drawing of the present invention；
Fig. 9 is the wiper ring sectional view of the present invention；
Fig. 9 .1 is the wiper ring structure chart of the present invention；
Figure 10 is that the wiper ring of the present invention merges front view；
Figure 11 is the wiper ring combined side view of the present invention；
Figure 12 is the wiper ring of present invention movement locus figure in cleaner plate；
In upper figure: control chip (A), timing controlled panel (B), autocontrol motor (C), outlet of sewer (D), cleaning
Plate power leading screw oil sealing (E), sewage inlet (F), cleaner plate assembly (G), heat exchanger tube (H), cleaner plate positioning guide rail (I), cleaning
Plate power leading screw (J), gripper shoe (K), softening water inlet (L), tube sheet (M), softening water out (N), housing (O), sewage runner
Cleaning block (P), leading screw axle sleeve (Q)；
Sewage runner hole (Ga), leading screw axis hole (Gb), cleaner plate (Gc), heat exchange pore (Gd), wiper ring (Ge), lead screw shaft
Nut (Gh), cleaner plate guide rail hole, location (Gs), left ring (Ge1), right ring (Ge2), cross projection (Ge3)；
Gripper shoe sewage runner hole (Ka), gripper shoe leading screw axis hole (Kb), gripper shoe (Kc), gripper shoe heat exchange pore
(Kd).
Detailed description of the invention
In conjunction with accompanying drawing 1, the invention will be further described:
A kind of self-cleaning intelligence case tube heat exchanger, including housing (O), heat exchanger tube (H), tube sheet (M), sewage inlet (F), soft
Changing water out (D), soften water inlet (L) and outlet of sewer (N), the inner chamber of described housing (O) is provided with organizes heat exchanger tube (H) more, changes
The two ends of heat pipe (H) connect by tube sheet (M) is fixing, and one end of housing (O) is provided with sewage inlet (F) and softens water out (D),
The other end is provided with softening water inlet (L) and outlet of sewer (N), and described softening water out (D), heat exchanger tube (H) and softening water enter
Mouth (L) connection, described sewage inlet (F), the inner chamber of housing (O) connect with outlet of sewer (N), set up at housing (O) inner chamber
There are cleaner plate assembly (G), cleaner plate positioning guide rail (I), gripper shoe (K), cleaner plate power leading screw (J) and sewage runner cleaning block
(P), cleaner plate power leading screw (J) is driven by the autocontrol motor (C) of shell end and rotates, at cleaner plate power leading screw
(J) upper installation one or more cleaner plate assembly (G), one or more gripper shoe (K), in housing (O)
Chamber be equipped with cleaner plate positioning guide rail (I) up and down, cleaner plate assembly (G) under the driving of cleaner plate power leading screw (J), along
Cleaner plate positioning guide rail (I) moves forward and backward, and the dirt on exchange heat pipe (H) surface carries out scraping milling；Described gripper shoe (K) is enclosed within clearly
On clean plate power leading screw (J), when cleaner plate power leading screw (J) rotates, gripper shoe (K) is motionless, is supported housing；At housing
The tube sheet (M) at two ends is provided with many groups sewage runner cleaning block (P) that can rush milling sewage runner, is provided with control in the end of housing
The control chip (A) of autocontrol motor (C) processed and timing controlled panel (B), tube sheet (M) center in left side is provided with cleaner plate
Power leading screw oil sealing (E), tube sheet (M) center on right side is provided with leading screw axle sleeve (Q).
Referring to the drawings 3,4, cleaner plate assembly (G) include sewage runner hole (Ga), leading screw axis hole (Gb), cleaner plate (Gc),
Heat exchange pore (Gd), wiper ring (Ge), lead screw shaft nut (Gh), cleaner plate guide rail hole, location (Gs), described cleaner plate (Gc)
Being made up of the two panels cleaner plate of circular configuration, described cleaner plate (Gc) is furnished with many groups sewage runner hole (Ga) and heat exchange pore
(Gd), being provided with leading screw axis hole (Gb) at the center of cleaner plate (Gc), leading screw axis hole (Gb) is provided with lead screw shaft nut (Gh), in often group
The position of heat exchange pore (Gd) is provided with wiper ring (Ge), clamps multiple wiper ring (Ge) by two groups of cleaner plate (Gc), and utilizes
The surface of wiper ring (Ge) exchange heat pipe (H) carries out scraping milling；Described cleaner plate (Gc) be respectively arranged at two ends with cleaner plate up and down
Guide rail hole, location (Gs), is slided by the cleaner plate positioning guide rail (I) of cleaner plate guide rail hole, location (Gs) with housing (O) inner chamber and joins
Close, make cleaner plate will not because of the rotation of leading screw rotation displacement；The external diameter of described cleaner plate (Gc) is less than the internal diameter of housing.
Referring to the drawings 5, gripper shoe (K) includes gripper shoe sewage runner hole (Ka), gripper shoe leading screw axis hole (Kb), gripper shoe
(Kc), gripper shoe heat exchange pore (Kd), described gripper shoe (Kc) is laid with many groups gripper shoe sewage runner hole (Ka), many groups
Fagging heat exchange pore (Kd), center is provided with gripper shoe leading screw axis hole (Kb), gripper shoe leading screw axis hole (Kb) and cleaner plate power silk
Thick stick (J) is slidably matched.
Referring to the drawings 6,7, sewage runner cleaning block (P) is arranged on the inner side of two tube sheets (M), sewage runner cleaning block
(P) use the shape matched with sewage runner mouth, be distributed in corresponding with the sewage runner hole (Ga) of cleaner plate assembly (G)
Position, the external diameter of sewage runner cleaning block (P) is less than the internal diameter in sewage runner hole (Ga).
9-11 referring to the drawings, wiper ring (Ge) is made up of left ring Ge1 and right ring Ge2, and the internal ring of left ring Ge1 is provided with interval
The groove of arrangement, the internal ring of right ring Ge2 is provided with spaced projection, and left ring is inlayed with right ring and combined, after merging
The groove forming left ring is close to each other with the projection of right ring, it is achieved left ring scrapes the half circumferential area of milling heat exchanger tube (H), and right ring is scraped
Milling heat exchanger tube (H) second half circumferential area remaining, reduces and scrapes milling resistance, and the concrete interval number of degrees set depending on heat exchanger operating condition design
Fixed.
It is protruding (Ge3) that the right side of the described left ring (Ge1) of the present invention is provided with cross, on the internal ring of right ring (Ge2)
It is provided with the cross groove of correspondence；Left ring (Ge1) is inlayed with cross groove by cross protruding (Ge3) with right ring (Ge2)
Combining, left ring (Ge1) scrapes the area of milling half, and right ring (Ge2) scrapes the remaining part of milling, so the most permissible during scraping milling
Dirt on heat exchanger tube is scraped the cleaner of milling.
Above-mentioned wiper ring (Ge) is clipped at the fluting of cleaner plate intermediate heat transfer pore (Gd), and is provided with and makes wiper ring upper and lower
The surplus capacity moved left and right.
The using method of a kind of self-cleaning intelligence case tube heat exchanger, is realized by following methods:
First, it is enclosed within many heat exchanger tubes organizing wiper ring (Ge) more respectively, is then clamped many by two groups of cleaner plate (Gc)
Individual wiper ring (Ge), organizes cleaner plate (Gc) and it is possible to install on a heat exchanger tube more, inner by timing controlled panel (B)
Control chip (A) controls autocontrol motor (C) start by set date, and autocontrol motor (C) drives cleaner plate power leading screw
(J) rotate, have feed screw nut (Gh) in the lead screw hole at cleaner plate center, cleaner plate power leading screw (J) rotarily drive cleaner plate
(Gc) movable, the wiper ring (Ge) being clipped in cleaner plate moves forward and backward with cleaner plate (Gc), then absorption while moving
Dirt on heat exchanger tube scrapes mill off；Meanwhile, the outer rim utilizing cleaner plate (Gc) carries out dirt to housing (O) inwall and scrapes milling；
Secondly, the sewage runner in cleaner plate is rushed by sewage runner cleaning block (P) in recycling two tube sheet (M)
Milling, sewage runner cleaning block (P) external diameter is less than sewage runner internal diameter, and the dirt scraped after cleaning can be pulled away with sewage, scrapes
The interval time of milling sets according to sewage scale velocity, reaches to clean the purpose of heat exchanger by the method.
Referring to the drawings 2, cleaner plate power leading screw (J) drives cleaner plate assembly (G) to move forward and backward, and its track is by middle
Basic fixed position point moves to gripper shoe side to side, then, more reversely moves to tube sheet side or another from gripper shoe side
One gripper shoe side；Finally, original basic fixed position point is returned.
Wherein, the movement locus figure of heat exchanger cleaner plate can be seen that (Fig. 2), heat exchanger is cleaner plate when normal work
It is integrally fixed on the position of anchor point A, plays the effect of gripper shoe and deflection plate, in front and back's cleaning process, only just play cleaning
The effect of plate.Having sewage runner in cleaner plate, sewage flows through at ordinary times from sewage runner, and sewage runner has in heat exchanger
Two effects, one is to walk sewage, and two is to manufacture turbulent flow augmentation of heat transfer.
When needs clean, first chip sends instruction according to cleaning distance to motor, can see in (Fig. 2)
Going out, first cleaner plate assembly has fixing point A to move movement step 1 to switch-back point B, cleaner plate outer rim in this motor process
Housing dirt between A point to B point can be scraped milling totally, it is clean that the wiper ring in cleaner plate then scrapes milling the dirt on heat exchanger tube.
Second step, motor reversion makes cleaner plate adverse movement, by switch-back point B to switch-back point C motion step
Rapid 2, it is clean that cleaner plate outer rim and wiper ring then scrape milling the dirt of the housing between switch-back point B to switch-back point C and heat exchanger tube.
3rd step, motor rotates forward and makes cleaner plate be returned basic fixed position point A, final motion by switch-back point C
Step 3, it is clean that cleaner plate outer rim and wiper ring then scrape milling the dirt of the housing between switch-back point C to anchor point and heat exchanger tube,
Cleaner plate plays gripper shoe and the effect of deflection plate at anchor point after arriving anchor point and waits the finger of next cleaning circulation
Order.
Referring to the drawings 2, can have multiple gripper shoe and cleaner plate in a heat exchanger, they are according to uniform point of design
Join.Example；(Fig. 2) in cleaner plate shuttling movement three cleaner plate by two pieces of gripper shoe uniform distributions in heat exchanger, when wanting
During motion, three cleaner plate motions are to synchronize.
Gripper shoe is integrally fixed on heat exchanger shell, plays support and the effect of fixing heat exchanger tube, sees (Fig. 1) (Fig. 2).
Having heat exchange pore, sewage runner hole, leading screw axis hole in gripper shoe, there is no lead screw shaft nut so not transporting with guide screw movement
Dynamic, see (Fig. 5
Heat exchanger two is made up of tube sheet, and cleaner plate can to heat exchanger tube and inner wall of tube shell to carry out scraping milling in movement
Scale removal, but in longtime running, cleaner plate sewage runner is likely blocked by dirt, can so devising on the tube sheet at two
To rush the cleaning block of milling sewage runner, see (Fig. 6) (Fig. 7).Sewage runner cleaning block (P) external diameter is than sewage runner internal diameter outline
Little, cleaning block is thinner than sewage runner, and length is more than the thickness of cleaner plate.
Citing 1 is at Fig. 2. and cleaner plate G1 is when moving to switch-back point C, and the sewage runner cleaning block on tube sheet just can pass
Sewage runner.Dirt in sewage runner is rushed milling.Dirt under Chong Xiing is taken away with sewage.Citing 2；Cleaner plate G3 is when fortune
When moving switch-back point B, the sewage runner cleaning block on tube sheet just can pass sewage runner.Dirt in sewage runner is carried out
Rush milling.
The sewage runner of G3 gripper shoe cleans can set hollow runner cleaning block in cleaner plate, i.e. can be with sewage stream
Cross, it is also possible to rush milling sewage runner to gripper shoe.
Above cleaner plate, 180(diagonal angle is provided with hole, cleaner plate guide rail location, is used for fixing cleaning in cleaner plate scrapes milling campaign
The linearly walking front and back of the movement locus of plate.(Fig. 3) (Fig. 8)
It is provided with two rectilinear orbits at heat exchanger inner wall of tube shell, and hole, cleaner plate upper rail location is to be mapped.
It is for fixation that cleaner plate has been moved along a straight line, allows cleaner plate scrape in milling front and back and move along track.Will not be with
Leading screw rotates and rotates.(Fig. 1) (Fig. 3) (Fig. 8)
Choosing titanium material to make leading screw, cleaner plate and wiper ring, the internal diameter of wiper ring (Ge) is than heat exchanger tube (H) external diameter
Big slightly gap.Wiper ring Ge is made up of two parts, and ring a and ring b wiper ring internal diameter take formation interval at interval of 18 degree and hollow out knot
Structure (Fig. 9) wiper ring structure chart.Such design is to reduce wiper ring (Ge) and heat exchange while milling soils is scraped in acquirement
Milling resistance scraped by pipe (H).Wiper ring is formed (Figure 10) by ring a and the 18 degree of superpositions of the mutual rotational offset of ring b two parts
One of each wiper ring can scrape the dirt area of milling heat exchanger tube 180 degree, and two wiper rings (Ge) staggered are just
Milling heat exchanger tube 360 degree can be scraped while drag reduction to minimum, heat exchanger tube (H) dirt is scraped totally.Left ring and the right ring back of the body
Face forms a kind of tight structure (Fig. 9) (Figure 11) together with being mutually embedded in tongue two sides with groove.And be provided with surplus and can float
Dynamic, this surplus design is the production for heat exchanger tube (H) and alignment error, scrapes on heat exchanger tube (H) to increase wiper ring
Milling scrapes what milling ability designed by property increase wiper ring (Ge).
Figure 12, illustrates heat exchanger heat-exchanging tube and installs and have certain error in production, then wiper ring is scraping milling fortune
Disorder of internal organs can bending and change the movement locus of oneself, this is because wiper ring is to be enclosed within above heat exchanger tube with heat exchanger tube up and down
's.Cleaner plate assembly and wiper ring are to be flexible coupling.Cleaner plate is the orbiting motion along oneself.So cleaner plate total performance is permissible
The heat exchanger of many heat exchanger tubes H1, H2, H3 moves, is unlikely to be stuck because of heat exchanger tube installation deviation.In cleaner plate
Heat exchange pore perforate be greater than the diameter of heat exchanger tube and less than the external diameter of wiper ring.So in scraping milling campaign, cleaner plate both may be used
Dropping out to drive wiper ring motion to be unlikely to again wiper ring, additionally wiper ring has certain surplus in cleaner plate mounting design,
Wiper ring can be allowed movable smoothly in cleaner plate.See (Figure 12) enlarged drawing.
Type of drive
Self-cleaning heat exchanger is driven power leading screw (J) to rotate driving by motor (C) and completes cleaner plate (Gc)
Seesawing, inner walls is scraped milling scale removal by cleaner plate outer rim in seesawing, and cleaner plate (Gc) drives clear simultaneously
Clean ring (Ge) is exchanged heat pipe (H) and is carried out scraping cleaning.Cleaner plate sewage runner is also rushed by tube sheet sewage runner cleaning block
Milling.Owing to the composition difference scale velocity of sewage is the most different, the best opportunity of scale removal is when dirt is newly formed, so every kind of dirt
The scale removal of water can be realized by timing controlled interval time.Add the heat exchanger suitability to various Sewage Environments.
Claims (7)
1. a self-cleaning intelligence case tube heat exchanger, including housing (O), heat exchanger tube (H), tube sheet (M), sewage inlet (F), softens
Water out (D), softening water inlet (L) and outlet of sewer (N), the inner chamber of described housing (O) is provided with organizes heat exchanger tube (H), heat exchange more
The two ends of pipe (H) connect by tube sheet (M) is fixing, and one end of housing (O) is provided with sewage inlet (F) and softens water out (D), separately
One end is provided with softening water inlet (L) and outlet of sewer (N), described softening water out (D), heat exchanger tube (H) and softening water inlet
(L) connection, described sewage inlet (F), the inner chamber of housing (O) connect with outlet of sewer (N), it is characterized in that: in housing (O)
Chamber has additional cleaner plate assembly (G), cleaner plate positioning guide rail (I), gripper shoe (K), cleaner plate power leading screw (J) and sewage runner
Cleaning block (P), cleaner plate power leading screw (J) is driven by the autocontrol motor (C) of shell end and rotates, moves in cleaner plate
Power leading screw (J) is upper installs one or more cleaner plate assembly (G), one or more gripper shoe (K), at housing
(O) inner chamber be equipped with cleaner plate positioning guide rail (I) up and down, cleaner plate assembly (G) is in the driving of cleaner plate power leading screw (J)
Under, moving forward and backward along cleaner plate positioning guide rail (I), the dirt on exchange heat pipe (H) surface carries out scraping milling；Described gripper shoe
(K) being enclosed within cleaner plate power leading screw (J), when cleaner plate power leading screw (J) rotates, gripper shoe (K) is motionless, carries out housing propping up
Support；The tube sheet (M) at housing two ends is provided with many groups sewage runner cleaning block (P) that can rush milling sewage runner, at housing
End is provided with control chip (A) and timing controlled panel (B), tube sheet (M) center in left side controlling autocontrol motor (C)
Being provided with cleaner plate power leading screw oil sealing (E), tube sheet (M) center on right side is provided with leading screw axle sleeve (Q)；
Described cleaner plate assembly (G) includes sewage runner hole (Ga), leading screw axis hole (Gb), cleaner plate (Gc), heat exchange pore
(Gd), wiper ring (Ge), lead screw shaft nut (Gh), cleaner plate guide rail hole, location (Gs), described cleaner plate (Gc) be circular knot
Structure, described cleaner plate (Gc) is furnished with many groups sewage runner hole (Ga) and heat exchange pore (Gd), is provided with at the center of cleaner plate (Gc)
Leading screw axis hole (Gb), leading screw axis hole (Gb) is provided with lead screw shaft nut (Gh), is provided with cleaning in the position often organizing heat exchange pore (Gd)
Ring (Ge), clamps multiple wiper ring (Ge) by two groups of cleaner plate (Gc), and utilizes the surface of wiper ring (Ge) exchange heat pipe (H)
Carry out scraping milling；The cleaner plate guide rail that is respectively arranged at two ends with up and down of described cleaner plate (Gc) positions hole (Gs), is led by cleaner plate
Rail hole, location (Gs) is slidably matched with the cleaner plate positioning guide rail (I) of housing (O) inner chamber；The external diameter of described cleaner plate (Gc) is little
Internal diameter in housing；
Described wiper ring (Ge) is made up of left ring (Ge1) and right ring (Ge2), and the internal ring of left ring (Ge1) is provided with and is spaced
Groove, the internal ring of right ring (Ge2) is provided with spaced projection, and left ring is inlayed with right ring and combined, shape after merging
The groove of Cheng Zuohuan is close to each other with the projection of right ring, it is achieved left ring scrapes the half circumferential area of milling heat exchanger tube (H), and right ring scrapes milling
Heat exchanger tube (H) second half circumferential area remaining, reduces and scrapes milling resistance.
Self-cleaning intelligence case tube heat exchanger the most according to claim 1, is characterized in that: described gripper shoe (K) includes propping up
Fagging sewage runner hole (Ka), gripper shoe leading screw axis hole (Kb), gripper shoe (Kc), gripper shoe heat exchange pore (Kd), described props up
Fagging (Kc) is laid with many groups gripper shoe sewage runner hole (Ka), many groups gripper shoe heat exchange pore (Kd), and center is provided with gripper shoe
Leading screw axis hole (Kb), gripper shoe leading screw axis hole (Kb) is slidably matched with cleaner plate power leading screw (J).
Self-cleaning intelligence case tube heat exchanger the most according to claim 1, is characterized in that: described sewage runner cleaning block
(P) being arranged on the inner side of two tube sheets (M), sewage runner cleaning block (P) uses the shape matched with sewage runner mouth, distribution
In the position corresponding with the sewage runner hole (Ga) of cleaner plate assembly (G), the external diameter of sewage runner cleaning block (P) is less than sewage
The internal diameter in runner hole (Ga).
Self-cleaning intelligence case tube heat exchanger the most according to claim 1, is characterized in that: the right side of described left ring (Ge1)
Being provided with cross protruding (Ge3), the internal ring of right ring (Ge2) is provided with the cross groove of correspondence；Left ring (Ge1) and right ring
(Ge2) combination is inlayed by cross protruding (Ge3) with cross groove.
Self-cleaning intelligence case tube heat exchanger the most according to claim 1, is characterized in that: described wiper ring (Ge) is clipped in clearly
At the fluting of clean plate intermediate heat transfer pore (Gd), and it is provided with the surplus capacity allowing wiper ring move up and down.
6. use a using method for as above self-cleaning intelligence case tube heat exchanger according to any one of claim 1-5, its
Feature is to be realized by following methods:
First, be enclosed within many heat exchanger tubes organizing wiper ring (Ge) respectively more, then by two groups of cleaner plate (Gc) clamp multiple clearly
Clean ring (Ge), organizes cleaner plate (Gc) and it is possible to install on a heat exchanger tube, the control inner by timing controlled panel (B) more
Chip (A) controls autocontrol motor (C) start by set date, and autocontrol motor (C) drives cleaner plate power leading screw (J) rotation
Turn, have feed screw nut (Gh) in the lead screw hole of cleaner plate group switching centre, cleaner plate power leading screw (J) rotarily drive cleaner plate (Gc)
Movable, the wiper ring (Ge) being clipped in cleaner plate group moves forward and backward with cleaner plate (Gc), then absorption is existed while moving
Dirt on heat exchanger tube scrapes mill off；Meanwhile, the outer rim utilizing cleaner plate (Gc) carries out dirt to housing (O) inwall and scrapes milling；
Secondly, the sewage runner in cleaner plate group is rushed by sewage runner cleaning block (P) in recycling two tube sheet (M)
Milling, sewage runner cleaning block (P) external diameter is less than sewage runner internal diameter, and the dirt scraped after cleaning can be pulled away with sewage, scrapes
The interval time of milling sets according to sewage scale velocity, reaches to clean the purpose of heat exchanger by the method.
The using method of self-cleaning intelligence case tube heat exchanger the most according to claim 6, is characterized in that: cleaner plate power silk
Thick stick (J) drives cleaner plate assembly (G) to move forward and backward, and its track is to be moved to by gripper shoe to side by middle basic fixed position point
Limit, then, more reversely moves to tube sheet side or another gripper shoe side from gripper shoe side；Finally, return original
Basic fixed position point.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610868879.0A CN106568337B (en) | 2014-06-17 | 2014-06-17 | A kind of case tube heat exchanger |
| CN201410269011.XA CN104075615B (en) | 2014-06-17 | 2014-06-17 | A kind of self-cleaning intelligence case tube heat exchanger and method |
| CN201610869200.XA CN106568338B (en) | 2014-06-17 | 2014-06-17 | A kind of package heat-exchanger rig |
| CN201610868909.8A CN106568345B (en) | 2014-06-17 | 2014-06-17 | A kind of package heat transmission equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410269011.XA CN104075615B (en) | 2014-06-17 | 2014-06-17 | A kind of self-cleaning intelligence case tube heat exchanger and method |
Related Child Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610869200.XA Division CN106568338B (en) | 2014-06-17 | 2014-06-17 | A kind of package heat-exchanger rig |
| CN201610868909.8A Division CN106568345B (en) | 2014-06-17 | 2014-06-17 | A kind of package heat transmission equipment |
| CN201610868879.0A Division CN106568337B (en) | 2014-06-17 | 2014-06-17 | A kind of case tube heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104075615A CN104075615A (en) | 2014-10-01 |
| CN104075615B true CN104075615B (en) | 2016-11-23 |
Family
ID=51597055
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610868879.0A Active CN106568337B (en) | 2014-06-17 | 2014-06-17 | A kind of case tube heat exchanger |
| CN201610868909.8A Expired - Fee Related CN106568345B (en) | 2014-06-17 | 2014-06-17 | A kind of package heat transmission equipment |
| CN201410269011.XA Expired - Fee Related CN104075615B (en) | 2014-06-17 | 2014-06-17 | A kind of self-cleaning intelligence case tube heat exchanger and method |
| CN201610869200.XA Active CN106568338B (en) | 2014-06-17 | 2014-06-17 | A kind of package heat-exchanger rig |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610868879.0A Active CN106568337B (en) | 2014-06-17 | 2014-06-17 | A kind of case tube heat exchanger |
| CN201610868909.8A Expired - Fee Related CN106568345B (en) | 2014-06-17 | 2014-06-17 | A kind of package heat transmission equipment |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610869200.XA Active CN106568338B (en) | 2014-06-17 | 2014-06-17 | A kind of package heat-exchanger rig |
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| Country | Link |
|---|---|
| CN (4) | CN106568337B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015010455A1 (en) * | 2015-08-11 | 2017-02-16 | Linde Aktiengesellschaft | heat exchangers |
| CN105180685A (en) * | 2015-10-08 | 2015-12-23 | 中铁隆昌铁路器材有限公司 | Split type tubular cooler for heat exchange of metal part quenching and tempering media |
| CN106323051B (en) * | 2016-11-15 | 2018-09-14 | 河南科技大学第一附属医院 | A kind of energy-saving heat exchanger |
| CN109751894A (en) * | 2017-11-08 | 2019-05-14 | 丹阳市日晟工业设备有限公司 | A kind of heat exchanger |
| CN108981426B (en) * | 2018-06-28 | 2020-07-14 | 佛山市高明区杨和金属材料专业镇技术创新中心 | Anti-scaling heat exchanger |
| CN109186312B (en) * | 2018-10-23 | 2023-09-26 | 辽宁科技大学 | Heat radiator with scale-removing baffle plate |
| CN112815769A (en) * | 2019-12-18 | 2021-05-18 | 彭香莲 | Heat exchanger and operation method |
| CN111780584A (en) * | 2020-06-15 | 2020-10-16 | 陆晓霖 | Winding tube type heat exchanger of garbage incinerator |
| CN112161497A (en) * | 2020-09-05 | 2021-01-01 | 万江新能源集团有限公司 | Device for improving heat exchange efficiency of sewage heat exchanger |
| CN113063231B (en) * | 2021-04-15 | 2022-07-19 | 山东众诚风凯科技有限公司 | Geothermal energy heat exchange device |
| CN113477034A (en) * | 2021-06-04 | 2021-10-08 | 陈改琴 | Environment-friendly coking exhaust treatment device |
| CN113405383B (en) * | 2021-06-29 | 2022-05-20 | 宁波巨化化工科技有限公司 | Automatic switching structure of heat exchange tube of gas phase reactor |
| CN113804019B (en) * | 2021-09-13 | 2023-10-10 | 杭州华辰旅业集团有限公司 | Hotel waste heat recovery hot water device and method thereof |
| WO2024047468A1 (en) * | 2022-08-30 | 2024-03-07 | Ecofan Offshore Solutions & Services Pvt. Ltd. | Oil and gas well fluid heating and pumping system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB375132A (en) * | 1931-08-28 | 1932-06-23 | Thomas Thompson Brown | Improvements in tubular heat exchangers for use in oil fuel installations and applicable also for use as feed water heaters, evaporators, condensers and coolers |
| CN201926344U (en) * | 2010-07-31 | 2011-08-10 | 福建新大陆环保科技有限公司 | Heat exchanger with automatic cleaning device |
| CN202109793U (en) * | 2011-02-11 | 2012-01-11 | 李宗发 | Scale-free uniform-distribution and turbulent-flow high efficiency heat exchanger |
| CN203340896U (en) * | 2013-07-22 | 2013-12-18 | 蔡振霖 | Cleaning device for noodles extruding cover |
| CN203928860U (en) * | 2014-06-17 | 2014-11-05 | 衣启武 | A kind of self-cleaning intelligence case tube heat exchanger |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201297887Y (en) * | 2008-09-12 | 2009-08-26 | 林遂铭 | Condenser pipe scale remover |
| CN102679755A (en) * | 2012-05-30 | 2012-09-19 | 苏州市金翔钛设备有限公司 | Self-cleaning type high-efficiency tower top condenser |
-
2014
- 2014-06-17 CN CN201610868879.0A patent/CN106568337B/en active Active
- 2014-06-17 CN CN201610868909.8A patent/CN106568345B/en not_active Expired - Fee Related
- 2014-06-17 CN CN201410269011.XA patent/CN104075615B/en not_active Expired - Fee Related
- 2014-06-17 CN CN201610869200.XA patent/CN106568338B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB375132A (en) * | 1931-08-28 | 1932-06-23 | Thomas Thompson Brown | Improvements in tubular heat exchangers for use in oil fuel installations and applicable also for use as feed water heaters, evaporators, condensers and coolers |
| CN201926344U (en) * | 2010-07-31 | 2011-08-10 | 福建新大陆环保科技有限公司 | Heat exchanger with automatic cleaning device |
| CN202109793U (en) * | 2011-02-11 | 2012-01-11 | 李宗发 | Scale-free uniform-distribution and turbulent-flow high efficiency heat exchanger |
| CN203340896U (en) * | 2013-07-22 | 2013-12-18 | 蔡振霖 | Cleaning device for noodles extruding cover |
| CN203928860U (en) * | 2014-06-17 | 2014-11-05 | 衣启武 | A kind of self-cleaning intelligence case tube heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106568345B (en) | 2018-08-21 |
| CN106568345A (en) | 2017-04-19 |
| CN106568337B (en) | 2018-11-06 |
| CN106568338A (en) | 2017-04-19 |
| CN106568337A (en) | 2017-04-19 |
| CN106568338B (en) | 2019-01-08 |
| CN104075615A (en) | 2014-10-01 |
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