CN2049755U - Auto dust cleaning machine for heat exchanger - Google Patents
Auto dust cleaning machine for heat exchanger Download PDFInfo
- Publication number
- CN2049755U CN2049755U CN 89204411 CN89204411U CN2049755U CN 2049755 U CN2049755 U CN 2049755U CN 89204411 CN89204411 CN 89204411 CN 89204411 U CN89204411 U CN 89204411U CN 2049755 U CN2049755 U CN 2049755U
- Authority
- CN
- China
- Prior art keywords
- supporting plate
- guide rail
- deashing
- heat exchanger
- ash removing
- 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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- Cleaning By Liquid Or Steam (AREA)
Abstract
The utility model discloses an auto dust cleaning machine for various tube array type heat exchangers. The cleaning tube of the machine is fixed on the supporting board in a transmission system and can carry out the reciprocating movement in the vertical and horizontal directions, which makes a spraying nozzle stretch among the tubes of the heat exchanger. The machine can realize the auto dust cleaning for heat exchanger under the condition of regular production without the need of shutdown, which ensures the long-term high efficiency of the heat exchange effect. By adopting the steam-water mixture as the cleaning medium and the special structure of the spraying nozzle, the machine has a better cleaning effect. The utility model has the advantages of simple device, convenient operation and obvious energy-saving effect, which can keep the heat exchange efficiency within the range of 85%-90%.
Description
The utility model relates to a kind of deashing device of heat exchanger, specifically a kind of device that cleans the heat exchanger single tube that sprays with fluid media (medium).
The heat exchanger ubiquity dust stratification of using on the Industrial Stoves is serious, influences the problem of heat exchange effect, does not also have a kind of effective deashing device now.At present the deashing of heat exchanger can only be in the annual overhaul phase, creeps into by the people and carries out artificial deashing in the flue.This mode, on the one hand badly to reach the space limited because of the environment in the flue, and the heat exchanger single tube is intensive, and ash-removal effect is poor, need blowing out during deashing on the other hand, thereby the deashing gap periods is long, can not keep the efficiently long-term of heat exchanger heat exchange effect.
The purpose of this utility model, just provide a kind of overcome above-mentioned deficiency, without the blowing out direct good automatic ash removing device of deashing and ash-removal effect just.
The utility model is achieved in that supporting plate and the deashing pipe on the transmission system is fixedly linked, and this supporting plate limits its movement locus by vertical guide rail and horizontal guide rail, makes the nozzle that links to each other with the deashing pipe stretch between the heat exchanger single tube.In the deashing pipe, feed the deashing medium, be ejected on the heat exchanger single tube by nozzle, thus heat exchanger single tube cleaning is clean.
Below in conjunction with description of drawings embodiment.
Fig. 1 is the structure chart of this device;
Fig. 2 is that the A-A of Fig. 1 is to view;
Fig. 3 is the user mode figure of this device;
Fig. 4 is that the B-B of Fig. 3 is to view.
As shown in Figure 1 and Figure 2, on the horizontal pin pendulum decelerator 1 of the driven by motor at vertical guide rail 4 tops, drive sprocket 2 is housed, one end of chain 5 links to each other with supporting plate 6 upper ends, the other end is walked around drive sprocket 2, endoporus by vertical guide rail 4, behind the driven sprocket 8 that is fixedly linked with screw-casing 9 of walking around the vertical guide rail bottom again, link to each other with the lower end of supporting plate 6.Supporting plate 6 rolls with vertical guide rail 4 by roller and is connected.Be fixed with deashing pipe 21 on supporting plate 6, for feeding the deashing medium, there is a nozzle 15 deashing pipe 21 lower ends, discharge the deashing medium.Upper and lower end at vertical guide rail 4 respectively is equipped with one stroke switch 3,7, and supporting plate 6 drives deashing pipe 21, does up-and-down movement.Vertical guide rail 4 is fixed on the supporting plate 11, and supporting plate 11 rolls with horizontal guide rail 14 by roller and is connected.On horizontal guide rail 14, also have two supporting plates 12,19, be positioned at the both sides of supporting plate 11, the two also is to roll with horizontal guide rail 14 to be connected, and is fixedly connected by leading screw 10, and leading screw 10 passes the screw-casing 9 on the supporting plate 11, screw-casing 9 is fixedlyed connected with sprocket wheel 8, thereby, make supporting plate 12,19 or vertical guide rail 4 do horizontal movement along with the rotation of sprocket wheel 8.For the spacing L of heat exchanger single tube, be evenly distributed with the hole on the horizontal guide rail 14, the pin 18 that cooperates the location is with it arranged on supporting plate 19, the electromagnet 16 on the supporting plate 19 is controlled rising and falling of pin 18.
When supporting plate 6 is moved down into lower dead center, travel switch 7 actions, the motor counter-rotating moves on the supporting plate 6, makes electromagnet 16 energising adhesives simultaneously, will insert pin 18 sucking-offs of guide rail hole, and supporting plate 12,19 moves right under the effect of sprocket wheel 8, screw-casing 9 and leading screw 10.When supporting plate 6 moved on to top dead centre, supporting plate 12,19 moved a spacing L just.Supporting plate 11 is motionless in this process, and because of the weight that the weight of bearing on the supporting plate 11 is born on the supporting plate 12,19, its frictional force is just big, thereby keeps stable.For increasing reliability, also can be provided with on supporting plate 11 increases the frictional force device.Concrete available one is equipped with the sheath of spring and slide block, screws fixingly by the hole on supporting plate 11 sidewalls, slide block is leaned on horizontal guide rail, thereby increase its frictional force.Supporting plate 6 moves on to after top dead center, travel switch 3 actions, and electromagnet 16 outages, pin 18 inserts in the guide rail hole under the effect of spring 17, makes supporting plate 12,19 location.At this moment supporting plate 6 moves down, and under the effect of sprocket wheel 8, screw-casing 9 and leading screw 10, supporting plate 11 moves right together with vertical guide rail 4.When supporting plate 6 arrives lower dead center, supporting plate 11 just in time moves the spacing L of a heat exchanger single tube, when supporting plate 12 moves to right stop, travel switch 13 actions on the horizontal guide rail 14 make the switch of electromagnet 16 reverse, and promptly stroke switch 3 makes it the adhesive of switching on, thereby travel switch 7 makes it to cut off the power supply and realizes moving to left of vertical guide rail, the action of the travel switch 20 on the horizontal guide rail 14 in like manner makes the break-make of electromagnet turn again, the reciprocating motion of the direction that can be up to the standard like this.
Under the qualification of vertical and horizontal guide rail, the movement locus indention of supporting plate 6 and the nozzle 15 that is attached thereto.The angle that the spray angle of nozzle 15 and heat exchanger single tube are arranged is consistent, and the deashing MEDIA FLOW is injected on the adjacent side of single tube associated side (as shown in Figure 3, Figure 4).In addition, also be provided with choke, control is by the amount of deashing pipe deashing medium.The deashing medium can be gas or water, and best medium is an air-water mixture.On an end three-way connection of deashing pipe 21, one road water receiving, the one tunnel connects compressed air.The two media microballon that nebulizes after this mixes is ejected into through nozzle on the tube wall of heat exchanger 22.Microballon shoots down black dirt in the generation explosion of sharply expanding of heat pipe wall upper volume, is extracted out by chimney behind the black dirt dusting shape that shoots down.
Transmission system in this device so that nozzle can move back and forth deashing continuously, and because of Nozzle structure, increases the suffered winding-up face of single tube owing to adopt automatically control, and the working media of mixing wastewater with air, so that ash-removal effect is better. This apparatus structure is simple, operation and easy to maintenance. Without blowing out, in the situation of ordinary production, can realize the automatic deashing of heat exchanger during deashing, guarantee the long-term efficient of heat exchanger heat transfer effect. This device is applicable to efflux heat-exchanger, insert heat exchanger and various tubular heat exchanger, and energy-saving effect is remarkable, can make the heat exchanger heat exchange efficiency remain on 85-90%. Used heat exchanger is as example on the kiln of producing 180000 tons of steel per year, use this device after, 2.525 kilograms of ton steel fuel-economizings, 110,000 yuan of RMB are amounted in 454.5 tons of year fuel-economizings.
The transmission system of this auto dust cleaning machine also can adopt the ratchet wheel and automatically stir the mode such as ratchet commutation, to realize the vertical and horizontal reciprocating movement of nozzle.
Claims (8)
1, a kind of automatic ash removing machine that is applicable to tubular heat exchanger, deashing pipe 21 is arranged for feeding the deashing medium, there is a nozzle 15 deashing pipe lower end, discharges the deashing medium, it is characterized in that deashing pipe 21 is fixed on the supporting plate 6 of transmission system, nozzle 15 stretches between the heat exchanger single tube.
2, automatic ash removing machine according to claim 1, it is characterized in that transmission system is limited the movement locus of supporting plate 6 by vertical guide rail 4 and horizontal guide rail 14, vertical guide rail 4 is fixed on the supporting plate 11, supporting plate 11 rolls with horizontal guide rail 14 by roller and is connected, on horizontal guide rail 14, also have two supporting plates 12,19, be positioned at the both sides of supporting plate 11, the two is fixedly connected by leading screw 10, and leading screw 10 passes screw-casing 10 on the supporting plate 11.
3, automatic ash removing machine according to claim 2, it is characterized in that supporting plate 6 is connected with vertical guide rail 4 rollings by roller, after chain 5 was walked around driven sprocket 8 drive sprocket 2 at vertical guide rail top and vertical guide rail bottom, that be fixedly linked with leading screw 10, cross-over connection was in the upper/lower terminal of supporting plate 6.
4, automatic ash removing machine according to claim 1 is characterized in that the spray angle of nozzle 15 is consistent with the angle of heat exchanger single tube arrangement, and the deashing MEDIA FLOW is injected on the adjacent side of single tube associated side.
5, according to claim 1,2,3 or 4 described automatic ash removing machines, it is characterized in that being provided with choke, control is by the amount of deashing pipe deashing medium.
6,, it is characterized in that the deashing medium is gas, aqueous mixtures according to claim 1,2,3 or 4 described automatic ash removing machines.
7,, it is characterized in that on supporting plate 11, being provided with increase frictional force device according to claim 1,2 or 3 described automatic ash removing machines.
8, according to claim 1,2 or 3 described automatic ash removing machines, it is characterized in that on horizontal guide rail 14 spacing L corresponding to the heat exchanger single tube, be evenly distributed with the hole, the pin 18 that cooperates the location is with it arranged on supporting plate 19, the electromagnet 16 on the supporting plate 19 is controlled rising and falling of pin 18.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89204411 CN2049755U (en) | 1989-04-13 | 1989-04-13 | Auto dust cleaning machine for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89204411 CN2049755U (en) | 1989-04-13 | 1989-04-13 | Auto dust cleaning machine for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2049755U true CN2049755U (en) | 1989-12-20 |
Family
ID=4861774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89204411 Withdrawn CN2049755U (en) | 1989-04-13 | 1989-04-13 | Auto dust cleaning machine for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2049755U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494554A (en) * | 2011-12-05 | 2012-06-13 | 武汉钢铁(集团)公司 | Mechanical ash removing device at outer wall of heat exchanger tube group |
| CN104534919A (en) * | 2014-11-24 | 2015-04-22 | 河南巨龙生物工程股份有限公司 | Method for simultaneously conducting descaling and leakage detection on fermentation tank coil |
| CN107030044A (en) * | 2015-07-13 | 2017-08-11 | 中国石油天然气股份有限公司 | A kind of magnetic cleaner |
| EP4067739A1 (en) | 2021-03-29 | 2022-10-05 | Conservator Tyche Beheer B.V. | Method of and device for cleaning and/or inspecting a furnace or boiler |
-
1989
- 1989-04-13 CN CN 89204411 patent/CN2049755U/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494554A (en) * | 2011-12-05 | 2012-06-13 | 武汉钢铁(集团)公司 | Mechanical ash removing device at outer wall of heat exchanger tube group |
| CN102494554B (en) * | 2011-12-05 | 2013-04-03 | 武汉钢铁(集团)公司 | Mechanical ash removing device at outer wall of heat exchanger tube group |
| CN104534919A (en) * | 2014-11-24 | 2015-04-22 | 河南巨龙生物工程股份有限公司 | Method for simultaneously conducting descaling and leakage detection on fermentation tank coil |
| CN104534919B (en) * | 2014-11-24 | 2016-03-16 | 河南巨龙生物工程股份有限公司 | A kind of method of simultaneously carrying out the scale removal of fermentation tank coil pipe and leak detection |
| CN107030044A (en) * | 2015-07-13 | 2017-08-11 | 中国石油天然气股份有限公司 | A kind of magnetic cleaner |
| CN107030044B (en) * | 2015-07-13 | 2019-09-06 | 中国石油天然气股份有限公司 | A kind of magnetic cleaner |
| EP4067739A1 (en) | 2021-03-29 | 2022-10-05 | Conservator Tyche Beheer B.V. | Method of and device for cleaning and/or inspecting a furnace or boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |