CN202254975U - Corrugated plate type mechanical-draft cooling device - Google Patents
Corrugated plate type mechanical-draft cooling device Download PDFInfo
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- CN202254975U CN202254975U CN201120314274XU CN201120314274U CN202254975U CN 202254975 U CN202254975 U CN 202254975U CN 201120314274X U CN201120314274X U CN 201120314274XU CN 201120314274 U CN201120314274 U CN 201120314274U CN 202254975 U CN202254975 U CN 202254975U
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Abstract
A corrugated plate type mechanical-draft cooling device, which comprises an upper box body, a lower box body, a heat exchange channel located between the upper and the lower box bodies, and axial flow fans providing cooling air, wherein the lower box body is composed of an ash hooper and an ash unloading valve. The cooling device is characterized in that the upper box body is composed of a flue gas upper air inlet and an upper air outlet channel; the heat exchange channel located between the upper and the lower box bodies comprises an area A flue gas flow downward channel vertically arranged, an area B flue gas flow upward channel vertically arranged and adjacent to the area A with the interface, and a horizontal cooling channel horizontally arranged; and the area A flue gas flow downward channel and the area B flue gas flow upward channel adjacent to the area A with the interface form an adjacent interface. The utility model is simple in structure, convenient to manufacture and small in occupied area, does not easily adhere to dust, and can achieve stable cooling effect.
Description
Technical field
The utility model relates to a kind of cooling device; Particularly; The utility model relates to the board-like machine power of a kind of wave cooling device; The board-like machine power of said wave cooling device is used for cooling, the dedusting of industry electric stove dust technology furnace high-temperature ash-laden gas such as metallurgy, casting, and the board-like machine power of said wave cooling device is widely used in HVAC, machinery, environmental protection dedusting field.
Background technology
Logical in industries such as metallurgy, castings, often use electric furnace to smelt, electric furnace smelting can produce a large amount of dust polluting environments, in order to carry out environmental protection, the flue dust that produces during electric furnace smelting must capture with dedusting after the flue gas qualified discharge.At present, comparatively complete electric furnace dust captures with dust collecting process and is: and electric furnace dust discharges fume in stove (comprising flue gas cooling device)+and the ash-laden gas of enclosed hood+roof cover capture is through gathering flue gas qualified discharge to the sack cleaner dedusting.
Smoke evacuation is the smoke catching important means in the stove in electric stove dust technology; Smoke evacuation accounts for about 70% of whole electric furnace flue gas generating capacity in the stove; But the flue-gas temperature of discharging in the stove can reach 1000 ℃; Usually high-temperature dust removal filtrate heatproof≤250 ℃ just can be carried out dedusting after the processing that must high-temperature flue gas be lowered the temperature.
Existing flue gas cool-down device is the shell and tube mechanical air cooler, and what the tubulation interior orientation flowed is the dust-laden high-temperature flue gas.It is power that heat sink adopts blower fan, utilizes normal temperature air that high temperature tubulation outer wall is forced the blowing cooling, is the hot and cold exchange of the interior high temperature dust flue gas that flows of tubulation through tube wall, makes the cooling of high temperature dust flue gas.Its primary structure is made up of parts such as upper header, cooling tube, cooling blower, ash bucket, adapter, ladder landing platforms, and is as shown in Figure 1.
The heat exchanger tube of above-mentioned cooler is that shell and tube is arranged.The high temperature dust flue gas is through the at entering casing of smoke inlet pipeline from heat exchanger tube; Oarse-grained dust receives gravitational settling to ash bucket, contains short grained high-temperature flue gas and passes along fast rise in the tubulation from the bottom of heat exchanger tube, and the flue gas after the cooling gets into upper box and discharges casing; And normal temperature air is under the positive action of axial flow blower; Rapidly from the outer wall of heat exchanger tube wash away through, take away flue gas heat, reduced flue-gas temperature.After the oarse-grained dust of sedimentation gets into ash bucket, regularly open the rotation unloading valve, the dust stratification in the ash bucket is got rid of.Shell and tube mechanical air cooler device is widely used in the dedusting preceding road cooling of high-temperature flue gas, but in use there is following shortcoming in shell and tube mechanical air cooler device:
Because the hot and cold solid matter shell and tube that is exchanged for, the interbank of solid matter tubulation must be left certain spacing, to guarantee forcing blowing can pass through solid matter tubulation outer wall, takes away heat.Therefore, bulky, complex structure is made comparatively difficulty.
The tubulation caliber is less, and in case of containing the hydrophily dust in the flue gas, and humidity of flue gas is when big, and dust can stick on the inwall of tube wall, can't remove the dust on the tube wall, influences the thermal conductivity of tube wall, and promptly hot and cold exchange can not be guaranteed stable cooling effect.Along with the dust on the tube wall is long-pending more thick more, reduced respectively to cool off the latus rectum of tubulation, cause shell and tube mechanical air cooler device resistance to increase, even cause tubulation to stop up, make the dedusting discharging that exceeds standard.
This shell and tube mechanical air cooler adopts down air intake, goes up the form of air-out, in order to increase heat exchange area, must increase tubulation length, is unfavorable for the layout of outlet conduit.Original shell and tube mechanical air cooler advances upward air-out of phoenix under being, cold and hot exchange interface is the cylinder cylinder.
In order to solve the larger process flue gas or further to reduce the problem of flue-gas temperature; This shell and tube mechanical air cooler technology can only be taked the mode of parallelly connected tubulation or lengthening tubulation; And the interbank of solid matter tubulation must be left certain spacing; Must increase axial flow blower simultaneously, increase energy consumption, also increase floor space.
The utility model content
For overcoming the problems referred to above; The purpose of the utility model is: the board-like machine power of a kind of wave cooling device is provided; The board-like machine power of said wave cooling device is simple in structure, easy to make, floor space is little, be difficult for adhering to dust; Can obtain to stablize cooling effect, therefore, the board-like machine power of said wave cooling device is a kind of novel energy-conserving machine power cooling device.
The board-like machine power of the wave of the utility model cooling device technical scheme is following:
The board-like machine power of a kind of wave cooling device; Comprise upper box, lower box, the heat exchanger channels between upper and lower casing and the axial flow blower of cooling air is provided; Said lower box is made up of the unloading valve of ash bucket and lower end thereof; It is characterized in that; Said upper box is made up of air intake passage on the flue gas and last air-out passage; Between air intake passage and the last air-out passage partition is arranged on the said flue gas, the said heat exchanger channels that is formed between the upper and lower casing comprises: with air intake channel connection on the said flue gas, the A district flue gas stream that vertically is provided with to lower channel and by the wave plate of template structure as the interface; With the downward channels abut setting of A district flue gas stream, with said flue gas on the B district flue gas stream of air-out channel connection to upper channel, and with said A district flue gas stream to lower channel and B district flue gas stream cooling air misorientation passage to the setting of upper channel misorientation.
Thus, air-flow can only flow downward entering A district downwards after getting into inlet channel, and through the B district upwards, the air-out passage is discharged on the entering flue gas.In this process, carry out heat exchange.
The wave plate has increased heat exchange area significantly, and the wave plate is the template structure simultaneously, and the cooling interface is that undaform is board-like, welding around the wave template, and the centre can produce vibration, has the automatic ash removing function, and is as shown in Figure 2.
Because the said heat exchanger channels that is formed between the upper and lower casing comprises: with air intake channel connection on the said flue gas, the A district flue gas stream that vertically is provided with to lower channel; With by the wave plate of template structure as the interface; With the downward channels abut setting of A district flue gas stream, with said flue gas on the B district flue gas stream of air-out channel connection to upper channel; Therefore; The airflow pattern that forms inner heat exchange is the U type, with the device of the same height of shell and tube mechanical air cooler in, the stroke that the hot gas flow process doubles.
According to the board-like machine power of the wave of the utility model cooling device, it is characterized in that, said cooling air misorientation passage and A district flue gas stream to lower channel and B district flue gas stream to the upper channel horizontally set.
According to the board-like machine power of the wave of the utility model cooling device, it is characterized in that the said A of being used for district flue gas stream is 1-3mm to the make progress wave plate thickness of template structure at channels abut interface of lower channel and B district flue gas stream.
According to the board-like machine power of the wave of the utility model cooling device, it is characterized in that casing during said heat exchanger channels between upper and lower casing constitutes.
Casing is not an enclosed construction in above-mentioned; Two kinds of different gases are flowing between the wave plate; Be that vertically flowing high-temperature gas, opposite side lateral flow of a side of plate gas at normal temperature; Isolation through the wave plate forms alternate high temperature has gas and gas at normal temperature passage, and realizes cooling through the heat transfer of wave plate.
According to the board-like machine power of the wave of the utility model cooling device, it is characterized in that said axial flow blower and the corresponding setting of said cooling air misorientation passage.
According to the board-like machine power of the wave of the utility model cooling device, it is characterized in that said cooling air misorientation passage is provided with the 1-3 layer, said axial flow blower is provided with the 1-3 layer.
According to the board-like machine power of the wave of the utility model cooling device, it is characterized in that smoke outlet is installed a temperature transducer.
According to the board-like machine power of the wave of the utility model cooling device, it is characterized in that the said A district flue gas stream of flowing through is the U type to lower channel and B district flue gas stream to the cooling blast operation passage of upper channel.
Said A district flue gas stream is structurally identical to upper channel to lower channel and B district flue gas stream; Can be with behind upper box air intake passage and the air-out passage right and left mutually changing; AB district air flow direction direction is exchanged, but the gas flow of AB district is opposite all the time, promptly forms U type airflow pattern.The AB district is structurally identical, can be with behind upper box air intake passage and the air-out passage right and left mutually changing, and AB district air flow direction direction is exchanged, but the gas flow of AB district is opposite all the time, promptly forms U type airflow pattern.
According to the board-like machine power of the wave of the utility model cooling device, it is characterized in that said wave plate can be done the slight lateral shake.
Thus, make the wave plate be difficult for sticking ash.
The operation principle of the utility model is following:
Casing during the high temperature dust flue gas gets into through pipeline place, the enterprising air port of upper box flue gas 6; The high temperature dust flue gas get into A district flue gas stream that wave plate 10 forms in lower channel vertically downward; Oarse-grained dust receives gravitational settling to ash bucket; Air-flow gets into B district flue gas stream in upper channel under the promotion of pressure reduction, be the U type at middle casing flue gas circulating pathway.
Normal temperature air is under the positive action of axial flow blower 4, and rapid therefrom casing is passed through by the outer wall transversal flow of A, B district wave plate 10, takes away flue gas heat, has reduced flue-gas temperature.Flue gas has obtained turning back in identical height, and the time of staying of the air current composition that flue gas goes out on cooling section advances down doubles, and has obtained better cooling effect.Owing to adopt the wave plate for the cooling interface, increased the film-cooled heat more than 50% than surface plate.Axial flow blower can arrange that 1 every layer is one group by the 1-3 layer.Smoke outlet is installed a temperature transducer, is used for the operation of Control Shaft flow fan.
At middle casing medium wave wave plate is that four side welds of large tracts of land framework connect; Do not reinforce in the middle of the plate face; Because the wave plate moulding is uneven, the pressure general mood stream of axial flow blower produces bigger resistance on wave plate surface, forces to form pressure reduction between general mood inflow entrance place and the exit on wave plate surface; Cause wave plate slight lateral shake, can make to adhere to that dust is fallen into ash bucket by the float force desorption on the wooden partition.Solved that sticking grey resistance increases and blocking problem on the inwall of shell and tube mechanical air cooler device tube wall, therefore, can remain better heat-exchange performance, and fabrication and processing has been simple.
According to the utility model; Be in middle casing air current composition to be that U type, cooling interface are the wave plate, under the situation that does not increase floor space, enlarged heat exchange area; Relatively can obtain bigger cooling value with shell and tube mechanical air cooler device; And adopted wave plate slight lateral dither technique, made in the flue gas dust be difficult for sticking to wave plate surface, can remain better heat-exchange performance; Solved that sticking grey resistance increases and blocking problem on the inwall of shell and tube mechanical air cooler device tube wall, and made simple.Therefore, the board-like mechanical cooler technology of wave is a kind of highly stable high-temperature flue gas cooling technology.
Description of drawings
Shown in Figure 1 is in the past shell and tube mechanical air cooler device sketch map.
Shown in Figure 2 is the board-like machine power of the wave cooling device sketch map of the utility model.
Shown in Figure 3 is the board-like machine power of the wave cooling device cross section view of Fig. 2.
Among the figure; 1 be upper box, 2 for lower box, 3 for heat exchanger channels between upper and lower casing, 4 is axial flow blower, 5 is the unloading valve of ash bucket and lower end thereof, 6 is air intake on the flue gas; 7 is last air-out passage; 8 be the A district flue gas stream that vertically is provided with to lower channel, 9 for B district flue gas stream to upper channel, 10 is the wave plate.
The specific embodiment
Below, lift embodiment, specify the board-like machine power of the wave cooling device of the utility model.
Embodiment 1
The board-like machine power of a kind of wave cooling device; Comprise upper box, lower box, the heat exchanger channels between upper and lower casing and the axial flow blower of cooling air is provided; Said lower box is made up of the unloading valve of ash bucket and lower end thereof, and said upper box is made up of air intake on the flue gas and last air-out passage; The A district flue gas stream that heat exchanger channels between upper and lower casing comprises vertical setting to lower channel and, interface same vertically to lower channel with A district flue gas stream in abutting connection with the B district flue gas stream that is provided with to upper channel, reach the cooling air interconnection of horizontally set; Said A district flue gas stream constitutes abutment to upper channel by the wave plate of template structure in abutting connection with the B district flue gas stream that is provided with to lower channel and interface.
In the present embodiment, casing during said heat exchanger channels between upper and lower casing constitutes.Axial flow blower can arrange that 1 every layer is one group by the 1-3 layer.
In the present embodiment, smoke outlet is installed a temperature transducer.Cooling blast operation passage is the U type.In the present embodiment, it is following that the board-like machine power of wave cooling device is applied to the flue gas cool-down of high temperature fume dust removal front ends such as casting smelting of nonferrous smelting, mechanical industry:
High-temperature flue gas (300-500 ℃) → board-like machine power of one-level wave cooling device (≤250 ℃) → board-like machine power of secondary wave cooling device (≤100 ℃) → sack cleaner → blower fan → chimney → qualified discharge.
In the present embodiment, except following, other are as embodiment 1.
The board-like machine power of said wave cooling device is applied to the flue gas cool-down dedusting of metallurgical electric furnace dedusting, refining furnace smoke evacuation system.
According to the board-like machine power of the wave of the utility model cooling device; Be at middle casing airflow pattern to be that U type, cooling interface are the wave plate; Under the situation that does not increase floor space, enlarged heat exchange area, relatively can obtain bigger cooling value with shell and tube mechanical air cooler device.According to the board-like machine power of the wave of the utility model cooling device; Adopted wave plate slight lateral dither technique; Make in the flue gas dust be difficult for sticking to wave plate surface; Can remain better heat-exchange performance, solve that sticking grey resistance increases and blocking problem on the inwall of shell and tube mechanical air cooler device tube wall, make simple.
Claims (8)
1. the board-like machine power of wave cooling device; Comprise upper box, lower box, the heat exchanger channels between upper and lower casing and the axial flow blower of cooling air is provided; Said lower box is made up of the unloading valve of ash bucket and lower end thereof; It is characterized in that; Said upper box is made up of air intake passage on the flue gas and last air-out passage; Between air intake passage and the last air-out passage partition is arranged on the said flue gas, the said heat exchanger channels that is formed between the upper and lower casing comprises: with air intake channel connection on the said flue gas, the A district flue gas stream that vertically is provided with to lower channel and by the wave plate of template structure as the interface; With the downward channels abut setting of A district flue gas stream, with said flue gas on the B district flue gas stream of air-out channel connection to upper channel, and with said A district flue gas stream to lower channel and B district flue gas stream cooling air misorientation passage to the setting of upper channel misorientation.
2. the board-like machine power of wave as claimed in claim 1 cooling device is characterized in that, said cooling air misorientation passage and A district flue gas stream to lower channel and B district flue gas stream to the upper channel horizontally set.
3. the board-like machine power of wave as claimed in claim 1 cooling device is characterized in that, the said A of being used for district flue gas stream is 1-3mm to the make progress wave plate thickness of template structure at channels abut interface of lower channel and B district flue gas stream.
4. the board-like machine power of wave as claimed in claim 1 cooling device is characterized in that, casing during said heat exchanger channels between upper and lower casing constitutes.
5. the board-like machine power of wave as claimed in claim 1 cooling device is characterized in that, said axial flow blower and the corresponding setting of said cooling air misorientation passage.
6. the board-like machine power of wave as claimed in claim 5 cooling device is characterized in that said cooling air misorientation passage is provided with the 1-3 layer, and said axial flow blower is provided with the 1-3 layer.
7. the board-like machine power of wave as claimed in claim 1 cooling device is characterized in that, smoke outlet is installed a temperature transducer.
8. the board-like machine power of wave as claimed in claim 1 cooling device is characterized in that, the said A district flue gas stream of flowing through is the U type to lower channel and B district flue gas stream to the cooling blast operation passage of upper channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120314274XU CN202254975U (en) | 2011-08-24 | 2011-08-24 | Corrugated plate type mechanical-draft cooling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120314274XU CN202254975U (en) | 2011-08-24 | 2011-08-24 | Corrugated plate type mechanical-draft cooling device |
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| CN202254975U true CN202254975U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201120314274XU Expired - Fee Related CN202254975U (en) | 2011-08-24 | 2011-08-24 | Corrugated plate type mechanical-draft cooling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228579A (en) * | 2017-06-16 | 2017-10-03 | 无锡雪浪环境科技股份有限公司 | Self-cleaning high-performance forces cold wind blower |
| CN108844392A (en) * | 2018-08-10 | 2018-11-20 | 国家粮食局科学研究院 | A kind of heat exchanger |
| CN112742131A (en) * | 2020-12-31 | 2021-05-04 | 成都易态科技有限公司 | Treatment system and treatment method for flue gas generated in copper matte preparation by pyrogenic process |
| CN112774391A (en) * | 2020-12-31 | 2021-05-11 | 成都易态科技有限公司 | Heat exchange dust removing device |
| CN112774361A (en) * | 2020-12-31 | 2021-05-11 | 成都易态科技有限公司 | Heat exchange dust removing device |
| CN112807891A (en) * | 2020-12-31 | 2021-05-18 | 成都易态科技有限公司 | Heat exchange dust removal structure, heat exchange dust removal device and high-temperature dust-containing gas treatment method |
| CN112933830A (en) * | 2021-01-30 | 2021-06-11 | 成都易态科技有限公司 | Heat exchange dust removal structure, heat exchange dust removal device and high-temperature dust-containing gas treatment method |
-
2011
- 2011-08-24 CN CN201120314274XU patent/CN202254975U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228579A (en) * | 2017-06-16 | 2017-10-03 | 无锡雪浪环境科技股份有限公司 | Self-cleaning high-performance forces cold wind blower |
| CN108844392A (en) * | 2018-08-10 | 2018-11-20 | 国家粮食局科学研究院 | A kind of heat exchanger |
| CN112742131A (en) * | 2020-12-31 | 2021-05-04 | 成都易态科技有限公司 | Treatment system and treatment method for flue gas generated in copper matte preparation by pyrogenic process |
| CN112774391A (en) * | 2020-12-31 | 2021-05-11 | 成都易态科技有限公司 | Heat exchange dust removing device |
| CN112774361A (en) * | 2020-12-31 | 2021-05-11 | 成都易态科技有限公司 | Heat exchange dust removing device |
| CN112807891A (en) * | 2020-12-31 | 2021-05-18 | 成都易态科技有限公司 | Heat exchange dust removal structure, heat exchange dust removal device and high-temperature dust-containing gas treatment method |
| CN112933830A (en) * | 2021-01-30 | 2021-06-11 | 成都易态科技有限公司 | Heat exchange dust removal structure, heat exchange dust removal device and high-temperature dust-containing gas treatment method |
| CN112933830B (en) * | 2021-01-30 | 2022-09-09 | 成都易态科技有限公司 | Heat exchange dust removal structure, heat exchange dust removal device and high-temperature dust-containing gas treatment method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BAOSTEEL SPECIAL STEEL CO., LTD. Free format text: FORMER OWNER: BAOSHAN IRON + STEEL CO., LTD. Effective date: 20140115 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201900 BAOSHAN, SHANGHAI TO: 200940 BAOSHAN, SHANGHAI |
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| TR01 | Transfer of patent right |
Effective date of registration: 20140115 Address after: 200940 Baoshan District aquatic Road, Shanghai, No. 1269 Patentee after: BAOSTEEL SPECIALSTEEL CO., LTD. Address before: 201900 Fujin Road, Shanghai, No. 885, No. Patentee before: Baoshan Iron & Steel Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20200824 |