CN107560494A - A kind of On Line Foul Removing Technology device - Google Patents
A kind of On Line Foul Removing Technology device Download PDFInfo
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- CN107560494A CN107560494A CN201710772183.2A CN201710772183A CN107560494A CN 107560494 A CN107560494 A CN 107560494A CN 201710772183 A CN201710772183 A CN 201710772183A CN 107560494 A CN107560494 A CN 107560494A
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- Prior art keywords
- descaling material
- descaling
- conveyance conduit
- flue gas
- removing technology
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Abstract
The invention discloses a kind of On Line Foul Removing Technology device, include the descaling material conveyance conduit of parallel communication to smoke conveying duct bottom, the descaling material conveyance conduit front end mouth of pipe is communicated to the flow of flue gas direction upstream position that smoke conveying duct bottom is corresponded in front of coil pipe and exported as descaling material, the descaling material conveyance conduit rear end mouth of pipe is communicated to smoke conveying duct bottom and corresponds to the flow of flue gas direction downstream position at coil pipe rear as descaling material sedimentation mouth, descaling material conveyance conduit intermediate connection accesses dynamic device, descaling material conveyance conduit, which also connects access, has descaling material to store and dispersal device, descaling material store and dispersal device in be stored with descaling material, descaling material exports, smoke conveying duct bottom between descaling material sedimentation mouth is provided with descaling material sedimentation plate.While the present invention can efficiently remove dirt on heat-mass exchange equipment system coil pipe, and device systems need not be out of service, realizes On Line Foul Removing Technology.
Description
Technical field
The present invention relates to caloic exchange system field, is specifically a kind of dirty for removing heat-mass exchange equipment and pipeline outer wall
The On Line Foul Removing Technology device of dirt.
Background technology
In recent years, with the fast development of social economy and the continuous growth of the size of population, plus the scarcity of natural resources,
Energy-conservation is increasingly valued by people.Such as answering for high heat efficient boiler, consumer waste incineration or biomass burning electricity generation technology
With etc. be gradually applied.
In these energy utilization technologies, heat-mass exchange equipment is common using energy source equipment.When equipment works, material
High-temp combustion in a device, for the heat in the flue gas of reclaimer discharge, energy utilization efficiency is improved, generally in high-temperature flue gas
Multiple rows of exhaust-heat absorption coil pipe is set in the passage of circulation, cryogen is full of in coil pipe, passes through power set and external container shape
Into circulation loop to absorb the heat in flue gas.Because containing a large amount of pollutants such as dirt oil, flying dust in flue gas, exchanged heat when passing through
During coil pipe, the dirt such as a large amount of dirt oil and flying dusts, which is just attached on coil pipe pipeline, forms for example dirty block of dirt etc., due to coil pipe tube wall
Between be fitted together to it is close, it is difficult for drop-off, easily cause the blocking in mixed gas pipeline road.Therefore scale removal problem is always this area skill
Art personnel's urgent problem.
At present, conventional descaling method has a 1, artificial scale removal, and 2, high-pressure hydraulic scale removal, 3, chemical cleaning, 4, steam blowing
Scale removal, 5, air distribution combustion detonation, 6, the methods of expanding with heat and contract with cold.Method 1 behind coil pipe back and convection heating surface to that can not remove
Totally, it is difficult to which clear all dirt；Method 2 is because using high-pressure hydraulic pump, energy consumption is big, simply blows siphunculus journey, it is impossible to thoroughly removes
Tube wall dirt；Chemical addition agent usage amount is big in method 3, and cost is high, it is desirable to which channel temperature reaches 1200 DEG C or so, it is necessary to uses
Special chemicals dosing plant, and it is difficult to ensure that dispensing is uniform during dosing；The power consumption of method 4,5 is big, scale removal is not clean, and needs frequent
Cut heat exchanger purging and burning, labor strength are big；Method 6 reaches scale removal purpose using cold oil and deep fat alternating switching, right
Heat-mass exchange equipment service life has a significant impact, and equipment is produced leakage, and it is larger to implement difficulty.Make a general survey of with
Upper six kinds of methods, common feature are that scale removal efficiency is low, high energy consumption, and most scale removal mode must first arrestment system
Operation, could scale removal after exhaust gas channel and heat exchange coil temperature decline.
The content of the invention is set it is an object of the invention to provide a kind of On Line Foul Removing Technology device with solving the exchange of prior art caloic
Existing for standby scale removal mode can not On Line Foul Removing Technology the problem of.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of On Line Foul Removing Technology device, it is characterised in that：Descaling material conveying including parallel communication to smoke conveying duct bottom
Pipeline, the smoke conveying duct is interior to be provided with coil pipe, and the descaling material conveyance conduit front end mouth of pipe is communicated to flue gas delivery pipe
Road bottom corresponds to the flow of flue gas direction upstream position in front of coil pipe, defeated with the front end mouth of pipe and the flue gas of descaling material conveyance conduit
Send and exported at pipeline communication as descaling material, the descaling material conveyance conduit rear end mouth of pipe is communicated to smoke conveying duct bottom pair
The flow of flue gas direction downstream position at coil pipe rear is answered, is connected with the rear end mouth of pipe of descaling material conveyance conduit and smoke conveying duct
Logical place accesses dynamic device, descaling material delivery pipe as descaling material sedimentation mouth, descaling material conveyance conduit intermediate connection
Road, which also connects access close to the position that descaling material exports, that descaling material is stored and dispersal device, descaling material are stored and disperseed
Descaling material is stored with device, and descaling material is emerged from descaling material outlet, descaling material outlet, descaling material sedimentation mouth
Between smoke conveying duct bottom be provided with descaling material sedimentation plate, descaling material sedimentation plate is located at below coil pipe, and scale removal material
Material sedimentation plate be set to along flow of flue gas direction height reduce successively it is domatic.
A kind of described On Line Foul Removing Technology device, it is characterised in that：It is located at power set in the descaling material conveyance conduit
And descaling material store and dispersal device between also connection Shuttoff Valve is installed.
A kind of described On Line Foul Removing Technology device, it is characterised in that：It is located at power set on the descaling material conveyance conduit
Forward and backward side also bypass has sewage draining exit, is respectively communicated with each sewage draining exit and is provided with sewage draining valve.
A kind of described On Line Foul Removing Technology device, it is characterised in that：The descaling material be the tiny solid granulates of high density or
Solid-state, liquefied mixture.
A kind of described On Line Foul Removing Technology device, it is characterised in that：The descaling material sedimentation plate has along flow of flue gas direction
Not less than 3% gradient.
A kind of described On Line Foul Removing Technology device, it is characterised in that：Descaling material sedimentation mouth is in up big and down small trapezoidal.
A kind of described On Line Foul Removing Technology device, it is characterised in that：The power set are fluid drive apparatus, power set
Two are generally set, two power set parallel communications are accessed among descaling material conveyance conduits, wherein a power set are
Primary, another power set are standby.
A kind of described On Line Foul Removing Technology device, it is characterised in that：The descaling material outlet is set to multiple different exporters
To osculum, particular number is depending on conveyance conduit width and descaling material physical property.
In the present invention, flow of flue gas direction, descaling material conveyance conduit, scale removal are connected in smoke conveying duct parallel connection outside
Power set, descaling material sedimentation mouth, descaling material outlet and sewage draining exit are set on materials transfer duct.Flue gas will connect with coil pipe
When touching, the descaling material of descaling material outlet first mixes with flue gas, then by coil pipe, so as to remove the dirty block on coil pipe, is gone
The descaling material sedimentation plate that the dirt part removed is dropped to below coil pipe, partly travels forward with flue gas, due to by gravity
And the drag effect of coil pipe, finally drop and settle mouth in descaling material, then descaling material outlet is delivered to by power set, with this
Move in circles so as to reach the purpose of online efficiently scale removal.
The invention has the advantages that while can efficiently removing dirt on heat-mass exchange equipment system coil pipe, and set
Standby system need not be out of service, realizes On Line Foul Removing Technology.It is dynamic to realize that this technology need to only be set in flue parallel connection outside one
The pipeline of the simple devices such as device, system architecture is simple, cheap.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
Fig. 2 is structural section figure of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, a kind of On Line Foul Removing Technology device, including parallel communication is to the scale removal of the bottom of smoke conveying duct 1
Materials transfer duct 9, smoke conveying duct 1 is interior to be provided with coil pipe, and coil pipe one end is coil pipe fluid issuing 2, and the coil pipe other end is disk
Pipe fluid import 3, descaling material delivery pipe, the 9 front end mouths of pipe are communicated to the bottom of smoke conveying duct 1 and correspond to flue gas in front of coil pipe
Flow direction upstream position, scale removal material is used as using the front end mouth of pipe of descaling material conveyance conduit 9 and the connectivity part of smoke conveying duct 1
Material outlet 4, the rear end mouth of pipe of descaling material conveyance conduit 9 is communicated to the flue gas stream that the bottom of smoke conveying duct 1 corresponds to coil pipe rear
Dynamic direction downstream position, descaling material is used as using the rear end mouth of pipe of descaling material conveyance conduit 9 and the connectivity part of smoke conveying duct 1
Mouth 5 is settled, the intermediate connection of descaling material conveyance conduit 9 accesses dynamic device 8, and descaling material conveyance conduit 9 is close to scale removal material
The position of material outlet 4, which also connects access, has descaling material to store and dispersal device 6, descaling material store and dispersal device 6 in deposit
Descaling material 10 is contained, and descaling material 10 is emerged from descaling material outlet 6, descaling material outlet 4, descaling material sedimentation mouth 5
Between the bottom of smoke conveying duct 1 be provided with descaling material sedimentation plate 13, descaling material sedimentation plate 13 is located at below coil pipe, and removes
Dirty material sedimentation plate 13 be set to along flow of flue gas direction height reduce successively it is domatic.
In the present invention, descaling material stores and the action principle of dispersal device 6：When whole system equipment is not run, scale removal
Material store and dispersal device 6 in fill descaling material, work as system operation, i.e., gas stream of pollution flows through comb, and is sunk on coil pipe
When long-pending dirt is more, power set 8 start with promote descaling material store and dispersal device 6 in the descaling material that fills it is upward
Motion, and risen with the amalgamation of air-flow phase and move to comb, with scale removal.
In descaling material conveyance conduit 9 positioned at power set 8 and descaling material store and dispersal device 6 between also connection peace
Equipped with Shuttoff Valve 7.
There is sewage draining exit 11,12, Mei Gepai positioned at 8 forward and backward side of power set also bypass on descaling material conveyance conduit 9
It is respectively communicated with dirty mouth and sewage draining valve is installed.
Descaling material 10 is the tiny solid granulates of high density or solid-state, liquefied mixture.
Descaling material sedimentation plate 13 has not less than 3% gradient along flow of flue gas direction.
Descaling material sedimentation mouth 5 is in up big and down small trapezoidal.
Power set 8 are fluid drive apparatus, and power set 8 generally set two, and two power set parallel communications connect
Enter among descaling material conveyance conduit, wherein a power set are primary, another power set are standby.
Descaling material outlet 4 is set to the osculum of multiple different export directions, and particular number is according to conveyance conduit width and scale removal
Depending on material property.
Claims (8)
- A kind of 1. On Line Foul Removing Technology device, it is characterised in that：Descaling material including parallel communication to smoke conveying duct bottom is defeated Pipeline is sent, coil pipe is provided with the smoke conveying duct, the descaling material conveyance conduit front end mouth of pipe is communicated to flue gas conveying Duct bottom corresponds to the flow of flue gas direction upstream position in front of coil pipe, with the front end mouth of pipe and flue gas of descaling material conveyance conduit Conveyance conduit connectivity part exports as descaling material, and the descaling material conveyance conduit rear end mouth of pipe is communicated to smoke conveying duct bottom The flow of flue gas direction downstream position at corresponding coil pipe rear, with the rear end mouth of pipe and smoke conveying duct of descaling material conveyance conduit Connectivity part settles mouth as descaling material, and descaling material conveyance conduit intermediate connection accesses dynamic device, descaling material conveying Pipeline, which also connects access close to the position that descaling material exports, has descaling material to store and dispersal device, descaling material store and point It is in bulk put in be stored with descaling material, and descaling material is emerged from descaling material outlet, descaling material outlet, descaling material sedimentation Smoke conveying duct bottom between mouthful is provided with descaling material sedimentation plate, and descaling material sedimentation plate is located at below coil pipe, and scale removal Material sedimentation plate be set to along flow of flue gas direction height reduce successively it is domatic.
- A kind of 2. On Line Foul Removing Technology device according to claim 1, it is characterised in that：The descaling material conveyance conduit middle position In power set and descaling material store and dispersal device between also connection Shuttoff Valve is installed.
- A kind of 3. On Line Foul Removing Technology device according to claim 1, it is characterised in that：The descaling material conveyance conduit is upper There is sewage draining exit in the forward and backward side of power set also bypass, be respectively communicated with each sewage draining exit and sewage draining valve is installed.
- A kind of 4. On Line Foul Removing Technology device according to claim 1, it is characterised in that：The descaling material is that high density is tiny Solid granulates or solid-state, liquefied mixture.
- A kind of 5. On Line Foul Removing Technology device according to claim 1, it is characterised in that：The descaling material sedimentation plate is along flue gas Flow direction has not less than 3% gradient.
- A kind of 6. On Line Foul Removing Technology device according to claim 1, it is characterised in that：The descaling material sedimentation mouth is presented greatly Under it is small trapezoidal.
- A kind of 7. On Line Foul Removing Technology device according to claim 1, it is characterised in that：The power set are fluid driving dress Put, power set generally set two, and two power set parallel communications are accessed among descaling material conveyance conduits, wherein one Power set are primary, and another power set are standby.
- A kind of 8. On Line Foul Removing Technology device according to claim 1, it is characterised in that：The descaling material outlet is set to multiple The osculum of different export directions, particular number is depending on conveyance conduit width and descaling material physical property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772183.2A CN107560494B (en) | 2017-08-31 | 2017-08-31 | A kind of On Line Foul Removing Technology device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772183.2A CN107560494B (en) | 2017-08-31 | 2017-08-31 | A kind of On Line Foul Removing Technology device |
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| Publication Number | Publication Date |
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| CN107560494A true CN107560494A (en) | 2018-01-09 |
| CN107560494B CN107560494B (en) | 2019-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710772183.2A Active CN107560494B (en) | 2017-08-31 | 2017-08-31 | A kind of On Line Foul Removing Technology device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487108A (en) * | 2019-09-10 | 2019-11-22 | 南通能达水务有限公司 | A kind of compound cleaning method of tubular heat exchanger |
| CN111715635A (en) * | 2020-06-13 | 2020-09-29 | 中国化学工程第十一建设有限公司 | Compressor oil circulation method |
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| JPH10339600A (en) * | 1997-06-03 | 1998-12-22 | Mitsubishi Heavy Ind Ltd | Device for cleaning heat exchanger |
| CN101839669A (en) * | 2010-05-07 | 2010-09-22 | 深圳市福尔沃机电设备有限公司 | On-line cleaning system for central air-conditioning condenser |
| CN201811251U (en) * | 2010-09-28 | 2011-04-27 | 佛山市汇控热能制冷科技有限公司 | Automatic soot cleaning device for shell and tube type heat exchanger |
| CN203494840U (en) * | 2013-07-12 | 2014-03-26 | 华北电力大学 | Online circulation cleaning device for anti-corrosion flue gas waste heat exchanger |
| CN103968674A (en) * | 2014-05-20 | 2014-08-06 | 莱芜钢铁集团有限公司 | Medium and low temperature smoke online pre-ash-removal device of rotary hearth furnace |
-
2017
- 2017-08-31 CN CN201710772183.2A patent/CN107560494B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10339600A (en) * | 1997-06-03 | 1998-12-22 | Mitsubishi Heavy Ind Ltd | Device for cleaning heat exchanger |
| CN101839669A (en) * | 2010-05-07 | 2010-09-22 | 深圳市福尔沃机电设备有限公司 | On-line cleaning system for central air-conditioning condenser |
| CN201811251U (en) * | 2010-09-28 | 2011-04-27 | 佛山市汇控热能制冷科技有限公司 | Automatic soot cleaning device for shell and tube type heat exchanger |
| CN203494840U (en) * | 2013-07-12 | 2014-03-26 | 华北电力大学 | Online circulation cleaning device for anti-corrosion flue gas waste heat exchanger |
| CN103968674A (en) * | 2014-05-20 | 2014-08-06 | 莱芜钢铁集团有限公司 | Medium and low temperature smoke online pre-ash-removal device of rotary hearth furnace |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487108A (en) * | 2019-09-10 | 2019-11-22 | 南通能达水务有限公司 | A kind of compound cleaning method of tubular heat exchanger |
| CN111715635A (en) * | 2020-06-13 | 2020-09-29 | 中国化学工程第十一建设有限公司 | Compressor oil circulation method |
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| Publication number | Publication date |
|---|---|
| CN107560494B (en) | 2019-04-05 |
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Address after: 230000 1st floor, building 18, phase II, e-commerce Park, Shushan Economic Development Zone, Hefei City, Anhui Province Patentee after: ANHUI PROVINCE GREEN GREEN BUILDING DESIGN Co.,Ltd. Address before: Changjiang Road 230009 in Anhui province Hefei city high tech Zone No. 683 extension base city square block C block Patentee before: ANHUI PROVINCE GREEN GREEN BUILDING DESIGN Co.,Ltd. |
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