CN202490548U - Melting furnace waste gas filtering system - Google Patents
Melting furnace waste gas filtering system Download PDFInfo
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- CN202490548U CN202490548U CN2011205328423U CN201120532842U CN202490548U CN 202490548 U CN202490548 U CN 202490548U CN 2011205328423 U CN2011205328423 U CN 2011205328423U CN 201120532842 U CN201120532842 U CN 201120532842U CN 202490548 U CN202490548 U CN 202490548U
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- waste gas
- melting furnace
- filter pipe
- spray
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Abstract
The utility model discloses a melting furnace waste gas filtering system which comprises a spray tower, a filter tank group and a spray tower waste gas refiltering system, wherein the space in the spray tower is divided by at least two layers of filtering layers which can move up and down and can be detachable; in orthographic projections of any adjacent filter sieve plates, the shadows of sieve pores are not mutually coincided; the filter tank group comprises three filter tanks, a certain included angle is arranged between the axle wire of a filter pipeline between each adjacent filter tanks and a horizontal plane, and the included angles aer gradually decreased from upstream to downstream. The melting furnace waste gas filtering system comprises a blast pit, a well cover and a filter pipeline which is transversely arranged. The melting furnace waste gas filtering system provided by the utility model has the advantages that different types of waste gases can be comprehensively and effectively filtered, and the filtering effect of the waste gas can be greatly improved.
Description
Technical field
The utility model relates to a kind of filtration system, especially a kind of melting furnace waste gas filtering system.
Background technology
Exhaust-gas treatment refers to the waste gas that produces to industrial site, factory floor and before externally discharging, carries out preliminary treatment, to reach the work of the external emission standards of national waste gas.General exhaust-gas treatment has comprised aspects such as organic exhaust gas processing, dust exhaust-gas treatment, soda acid exhaust-gas treatment, peculiar smell exhaust-gas treatment and air disinfection sterilizing and purifying.Exhaust-gas treatment has top 5 factor: one will see whether be that industrial site is suitable for.Exhaust-gas treatment will be distinguished the air cleaning of civilian place.
At present, the spray column that the melting furnace waste gas filtering uses on the traditional market only is provided with the baffle plate that waste gas is passed through in body of the tower, and installation is provided with shower nozzle above baffle plate.This type spray column only carries out the filtration of simple, coarse to waste gas; Can only oarse-grained waste residue be filtered out, can not effectively must filter out the impurity of waste gas small particles, secondly for different types of waste gas; Especially the waste gas of complicated component, more sad filter; Can't reach satisfied filter result,, improve the height that the spray effect will increase spray column simultaneously if want to increase the distance of waste gas in spray column; Certainly will increase the cost of equipment, be the effective means that improves the spray effect so do not increase that the spray column height can fully spray again.
The spray liquid that contains waste residue that melting furnace waste gas filtering spray column is discharged; Only use the simple filtering pond generally; And this type filtered water reservoir is only as waste residue and the accommodation apparatus that contains the spray liquid of waste residue; Can't play filtration and catharsis, not meet the environmental requirement of environmental protection and energy saving, resource circulation utilization spray liquid.
Simultaneously, after filtering through spray column, the waste gas that composition is comparatively complicated, difficult with waste gas filtering to the external emission standards of national waste gas, also become the effective means that addresses this problem so the waste gas of crossing through the spray column spray cleaning filtered once more.
The utility model content
The technical problem that the utility model will solve provides a kind of melting furnace waste gas filtering system, can comprehensively effectively must various dissimilar waste gas be carried out filtration, purification.
The utility model is realized through following technical scheme.
A kind of melting furnace waste gas filtering system, it has comprised that air inlet is positioned at the spray column that bottom, gas outlet are positioned at the top, is arranged on the filtering ponds group at slag-drip opening place, spray column bottom;
Above-mentioned spray column is separated space in the tower by the two-layer at least filter course that can move up and down, increase dismounting; Filter course comprises bracing frame and the filtration sieve plate that is supported by bracing frame; Said filtration sieve plate is reference with the orthographic projection that vertical directional light produces, and in the orthographic projection of any adjacent filtration sieve plate, the shade of sieve aperture does not all overlap; Every layer of filter course top all is provided with the spray frame, and support body is provided with some nozzles of installing selected;
Above-mentioned filtering ponds group comprises at least two filtering ponds, is connected by filter pipe between the adjacent filtering ponds;
Above-mentioned melting furnace waste gas filtering system also includes spray column filter gas and refilters system, and the above-mentioned spray column filter gas system of refiltering comprises blast pit and filter pipe, and blast pit is located at underground; And be provided with the well cover and be installed in the blast pit well head; Well cover upper end is provided with through hole, and above-mentioned spray column outlet pipe passes through hole and stretches in the blast pit, and above-mentioned filter pipe is horizontally set at underground; The one of which end passes in the blast pit borehole wall, and the other end is " L " type and passes to the face of land.
Further, the tower wall inboard of above-mentioned spray column is provided with at least two vertical draw-in grooves, is provided with the slide block that can slide up and down and can block in the draw-in groove, and the support end of bracing frame is taken and is placed on the slide block.
Further; Above-mentioned spray column preferably is provided with the three layer filtration layer; In spray column, be respectively first filter course, second filter course, the 3rd filter course from lower to upper; The spray frame of every layer of filter course top setting is respectively the first spray frame, the second spray frame, the 3rd spray frame from lower to upper, and apart from being preferably 1.0m～1.5m, distance is preferably 0.8m～1.2m between second filter course and the second spray frame between first filter course and the first spray frame; Distance is preferably 0.5m～1.0m between the 3rd filter course and the 3rd spray frame, and every layer filtration sieve plate is equipped with the aperture to be 10mm～50mm and to divide equally the sieve aperture of distribution.
Further, in the orthographic projection of above-mentioned any adjacent filtration sieve plate, the video of sieve aperture does not all overlap and does not have an intersection.
Further; Above-mentioned filtered water reservoir comprises three filtering ponds; Be respectively first filtering ponds, second filtering ponds, the 3rd filtering ponds by upper reaches downstream; Connected by a filter pipe between adjacent filtering ponds, the axis of above-mentioned filter pipe and horizontal plane all have certain angle, and angle is progressively successively decreased by the upper reaches to downstream; The angle of the axis of filter pipe and horizontal plane is 40 °～60 ° between first and second filtering ponds, between second and third filtering ponds the angle of the axis of filter pipe and horizontal plane than the angle of the axis of filter pipe between first and second filtering ponds and horizontal plane little 10 °～20 °.
Further, two filter pipes of above-mentioned second filtering ponds connection are provided with the place, two diagonal angles that is installed in second filtering ponds respectively.
Further, the level height that above-mentioned spray column outlet pipe is positioned at the blast pit inner port is lower than the level height that filter pipe is positioned at blast pit borehole wall port, and the filter pipe lateral length is 200～300m.
Further, upper surface through hole, above-mentioned well cover upper end is provided with sealing ring and is close to the spray column outlet pipe, and above-mentioned sealing ring is provided with a circle back-up ring outward it is surrounded.
Further; Above-mentioned filter pipe inwall is provided with the baffle plate of series of parallel in the filter pipe cross section; Baffle plate is the baffle plate that refractory material makes; The upper edge of baffle plate is pasted and is fixed in filter pipe inwall upper end, and the two side ends of filter pipe inwall is fixed in along stickup in the both sides of baffle plate, and the ratio of the area of the area of above-mentioned baffle plate and filter pipe cross section is 0.3～0.6.
Further, the inside of above-mentioned blast pit and well cover, filter pipe inwall are equipped with the flame retardant coating that one deck refractory material makes.
The beneficial effect of the utility model:
1, spray column can be provided with voluntarily and filter the number of plies and filter space size, and the filtration number of times for different waste gas can must be set more flexibly;
2, the orthographic projection of sieve plate sieve aperture does not overlap and is arranged so that trend and the vertical line of waste gas between adjacent filter course has certain angle; Waste gas " complications " in spray column is risen; Increase the distance of waste gas, obtained the effect of abundant spray, improved the spray quality to greatest extent;
3, the angle of the axis of filter pipe and horizontal plane successively decreases from the upper reaches to downstream, can make time that spray liquid passes through pond, the upper reaches greater than the pond, downstream, has promptly strengthened the effect of classified filtering;
4, filter pipe is mounted on the place, two diagonal angles of filtered water reservoir, can make that the path distance of spray liquid in filtered water reservoir is maximum, improves the filtration, purification effect;
5, the whole filtration fraction that refilters system is arranged at underground; Can effectively utilize subsurface temperature and be lower than the above temperature in the face of land; Making filtering exhaust be arranged in the lower environment temperature carries out; Need not to increase cooling device and just can reach filter effect preferably, provide cost savings and the energy;
6, above waste gas mainly accumulates in filter pipe, and a series of baffle plates that are provided with, can increase contacting of waste gas and baffle plate effectively, the reinforcement filter effect increases the distance of waste gas in filter pipe simultaneously, further improves filter effect;
7, the spray column outlet pipe is lower than the level height that filter pipe is positioned at blast pit borehole wall port in the level height of blast pit inner port, can improve the flow that waste gas gets into filter pipe;
8, the flame retardant coating of whole system set inside can effectively must be protected equipment, avoids the too high damage that causes apparatus of EGT, has reduced maintenance cost;
9, back-up ring that is provided with around the through hole of well cover upper end and sealing ring can must prevent effectively that well from covering on lead to the hole site and revealing waste gas, have protected environment.
Description of drawings
Fig. 1 is the structural representation of this case study on implementation melting furnace waste gas filtering system;
Fig. 2 is the partial enlarged drawing at Figure 1A place;
Fig. 3 the one the second filters the part contrast sketch map of sieve plate orthographic projection stack;
The sketch map that Fig. 4 moves towards in spray column for waste gas;
Fig. 5 is the plan structure sketch map of filtering ponds group;
Fig. 6 is the visual angle sketch map of Fig. 5 C direction;
Fig. 7 is the visual angle sketch map of Figure 1B direction.
The specific embodiment
According to accompanying drawing and embodiment the utility model is done further explain below.
Fig. 1 is the structural representation of this case study on implementation melting furnace waste gas filtering system; With reference to Fig. 1; The utility model, melting furnace waste gas filtering system, it includes spray column 1, filtering ponds group 2, spray column waste gas and refilters system 3; Filtering ponds group 2 is arranged at the below of spray column 1, and spray column waste gas refilters the spray column outlet pipe 121 that system 3 connects spray column 1.
The air inlet 11 of spray column 1 is positioned at the bottom of spray column 1, and gas outlet 12 is positioned at the top of spray column 1, and slag-drip opening 13 is positioned at the bottom of spray column.
In this embodiment; Preferably be provided with the three layer filtration layer; Be respectively first filter course 14, second filter course 15, the 3rd filter course 16 from lower to upper; The top of each layer filter course is respectively equipped with the first spray frame 17, the second spray frame 18, the 3rd spray frame 19, these three spray framves choose respectively be arranged on spray column 1 tower wall wherein 3 flange ports 104,105,106 carry out the conveying of spray liquid as port, spray column 1 is provided with 3 peepholes 101,102,103 longitudinally at Ta Bi.
Wherein, distance is made as 1.2m between first filter course 14 and the first spray frame 17, and distance is made as 1.0m between second filter course 15 and the second spray frame 18, and distance is made as 0.8m between the 3rd filter course 16 and the 3rd spray frame 19.
Fig. 2 is the A part partial enlarged drawing of Fig. 1, with reference to Fig. 2, and combines Fig. 1; Each filter course 14,15,16 of spray column 1 is all consistent with the Installation Modes of spray column; So, promptly describe with first filter course 14 only to A part partial enlarged drawing at this, first filter course 14 constitutes by filtering sieve plate 141 and bracing frame 143; Bracing frame 143 is the vertical bar shape; The inwall place of spray column 1 is provided with two vertical and symmetrical draw-in grooves 107,108, is equipped with slide block 145 and slide block 147 in the draw-in groove 107,108 respectively, and slide block 145,147 lower ends are respectively equipped with and 107,108 of draw-in grooves have the fixture block 1451 and the fixture block 1471 of great friction coefficient; The two ends of bracing frame 143 are taken respectively and are put on slide block 145 and the slide block 147, filter sieve plate 141 and are positioned on the bracing frame 143.In like manner can get the filtration sieve plate and the bracing frame of second filter course 15, the filtration sieve plate of the 3rd filter course 16 and the structure of bracing frame are this not tired stating.The aperture of the filtration sieve plate of three layer filtration layer 14,15,16 is made as 10mm～50mm, and waste gas all is evenly to pass through through filtering sieve plate.
Fig. 3 the one the second filters the part contrast sketch map of sieve plate orthographic projection stack, and the sketch map that Fig. 4 moves towards in spray column for waste gas is with reference to Fig. 3, Fig. 4; And combination Fig. 1, each filters sieve plate is reference with the orthographic projection that vertical directional light produces, in the orthographic projection of any adjacent filtration sieve plate; The shade of sieve aperture does not all overlap; Only filter sieve plate orthographic projection stack situation to the one the second here and describe, the two or three to filter the situation of sieve plate similar with it, will not tire out and state.Like Fig. 3, the orthographic projection sieve aperture video 1511 that the orthographic projection sieve aperture video 1411 of the first filtration sieve plate 141 and second filters sieve plate does not all have intersection.When waste gas passed through by the space of three layer filtration layer 14,15,16 separation in the spray Tata, its trend was " complications " tendency like Fig. 4.
Fig. 5 is the plan structure sketch map of filtering ponds group, with reference to Fig. 5, and combines Fig. 1; Filtering ponds group 2; It is made up of three filtered water reservoirs, i.e. first filtered water reservoir 21, second filtered water reservoir 22 and the 3rd filtered water reservoir 23, and these three filtered water reservoirs 21,22,23 are the pond of rectangular body; And be in-line filtered water reservoir group, the mode of taking progressively to filter is filtered spray liquid.Connect by filter pipe 24 between first filtered water reservoir 21 and second filtered water reservoir 22, connect by filter pipe 25 between second filtered water reservoir 22 and the 3rd filtered water reservoir 3.
Fig. 6 is the visual angle sketch map of Fig. 5 C direction; With reference to Fig. 6, and combine Fig. 1,5, the axis and the horizontal plane of filter pipe 24,25 all have certain angle; And angle is progressively successively decreased by the upper reaches to downstream; The angle of axis and horizontal plane that is filter pipe 24 is greater than the axis of filter pipe 5 and the angle of horizontal plane, and the axis of filter pipe 24 and the angle of horizontal plane are 40 °～60 °, and the axis of filter pipe 25 and the angle of horizontal plane be little 10 °～and 20 °;
With reference to Fig. 7, spray column filter gas refilters system 3 and is made up of blast pit cover 31, well 32, filter pipe 34.Blast pit 32 and filter pipe 34 are positioned at underground, and well cover 31 is positioned at the face of land, and spray column outlet pipe 121 passes well cover 31 and stretches in the blast pit 32.
Well cover 31 setting be installed in blast pit 32 well heads directly over; Well cover 31 plays the function that prevents that waste gas from leaking; The upper end of well cover 31 is provided with through hole 317, and the through hole 317 that spray column outlet pipe 121 passes well cover 31 stretches into the inside of blast pit 32, and upper surface through hole 317 places of well cover 31 upper ends are provided with sealing ring 313 and circle retaining 315; Sealing ring 313 is close to spray column outlet pipe 121; Play the waste gas that prevents through spray column outlet pipe 121 gets into blast pit 32 and outwards reveal from well cover 31 through holes 317, circle retaining 315 is positioned at the periphery of sealing ring 313, and sealing ring 313 is blocked; Protected sealing ring 313 not receive extraneous damage, and it is aging to make that sealing ring 313 is difficult for; The flame retardant coating 311 that well cover 31 set inside have one deck refractory material to make; The inside of blast pit 32 equally also is provided with the flame retardant coating 321 that one deck refractory material makes; Flame retardant coating 321,311 protection blast pit 32 and well covers 31 avoid receiving the equipment damage that the temperature of waste gas is brought.
Fig. 7 is the sketch map at Figure 1B direction visual angle, with reference to Fig. 7, and combines Fig. 1; Protection filter pipe 34 inwalls are provided with a series of baffle plates 347; Baffle plate 347 is parallel to the cross section of filter pipe 34, and the upper end of being fixed in filter pipe 34 inwalls is pasted in the upper edge of baffle plate 347, and the two side ends of filter pipe 34 inwalls is fixed in the both sides of baffle plate 347 along stickup; The baffle plate that baffle plate 347 makes for refractory material, the ratio of the area of its area and filter pipe 34 cross sections is 0.3～0.6.Being provided with of baffle plate 347 can increase contacting of waste gas and baffle plate effectively, strengthens filter effect, increases the distance of waste gas in filter pipe simultaneously, further improves filter effect.
The foregoing description only is the technical conceive and the characteristics of explanation the utility model, and its purpose is to let the personage that is familiar with this art can understand the utility model content and also implements, and can not limit the protection domain of the utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection domain of the utility model.
Claims (10)
1. melting furnace waste gas filtering system, it has comprised that air inlet is positioned at the spray column that bottom, gas outlet are positioned at the top, is arranged on the filtering ponds group at slag-drip opening place, spray column bottom; It is characterized in that,
Said spray column is separated space in the tower by the two-layer at least filter course that can move up and down, increase dismounting; Filter course comprises bracing frame and the filtration sieve plate that is supported by bracing frame; Said filtration sieve plate is reference with the orthographic projection that vertical directional light produces, and in the orthographic projection of any adjacent filtration sieve plate, the shade of sieve aperture does not all overlap; Every layer of filter course top all is provided with the spray frame, and support body is provided with some nozzles of installing selected;
Said filtering ponds group comprises at least two filtering ponds, is connected by filter pipe between the adjacent filtering ponds;
Said melting furnace waste gas filtering system also includes spray column filter gas and refilters system, and the above-mentioned spray column filter gas system of refiltering comprises blast pit and filter pipe, and blast pit is located at underground; And be provided with the well cover and be installed in the blast pit well head; Well cover upper end is provided with through hole, and above-mentioned spray column outlet pipe passes through hole and stretches in the blast pit, and above-mentioned filter pipe is horizontally set at underground; The one of which end passes in the blast pit borehole wall, and the other end is " L " type and passes to the face of land.
2. melting furnace waste gas filtering according to claim 1 system is characterized in that the tower wall inboard of said spray column is provided with at least two vertical draw-in grooves, is provided with the slide block that can slide up and down and can block in the draw-in groove, and the support end of bracing frame is taken and is placed on the slide block.
3. melting furnace waste gas filtering according to claim 1 system; It is characterized in that; Said spray column preferably is provided with the three layer filtration layer; In spray column, be respectively first filter course, second filter course, the 3rd filter course from lower to upper; The spray frame of every layer of filter course top setting is respectively the first spray frame, the second spray frame, the 3rd spray frame from lower to upper, and apart from being preferably 1.0m～1.5m, distance is preferably 0.8m～1.2m between second filter course and the second spray frame between first filter course and the first spray frame; Distance is preferably 0.5m～1.0m between the 3rd filter course and the 3rd spray frame, and every layer filtration sieve plate is equipped with the aperture to be 10mm～50mm and to divide equally the sieve aperture of distribution.
4. melting furnace waste gas filtering according to claim 1 system is characterized in that, in the orthographic projection of said any adjacent filtration sieve plate, the video of sieve aperture does not all overlap and do not have an intersection.
5. melting furnace waste gas filtering according to claim 1 system; It is characterized in that; Said filtered water reservoir comprises three filtering ponds; Be respectively first filtering ponds, second filtering ponds, the 3rd filtering ponds by upper reaches downstream; Connected by a filter pipe between adjacent filtering ponds, the axis of above-mentioned filter pipe and horizontal plane all have certain angle, and angle is progressively successively decreased by the upper reaches to downstream; The angle of the axis of filter pipe and horizontal plane is 40 °～60 ° between first and second filtering ponds, between second and third filtering ponds the angle of the axis of filter pipe and horizontal plane than the angle of the axis of filter pipe between first and second filtering ponds and horizontal plane little 10 °～20 °.
6. according to claim 1 or 5 described melting furnace waste gas filtering systems, it is characterized in that two filter pipes that said second filtering ponds connect are provided with the place, two diagonal angles that is installed in second filtering ponds respectively.
7. melting furnace waste gas filtering according to claim 1 system; It is characterized in that; The level height that said spray column outlet pipe is positioned at the blast pit inner port is lower than the level height that filter pipe is positioned at blast pit borehole wall port, and the filter pipe lateral length is 200～300m.
8. melting furnace waste gas filtering according to claim 1 system is characterized in that, upper surface through hole, said well cover upper end is provided with sealing ring and is close to the spray column outlet pipe, and above-mentioned sealing ring is provided with a circle back-up ring outward it is surrounded.
9. melting furnace waste gas filtering according to claim 1 system; It is characterized in that; Said filter pipe inwall is provided with the baffle plate of series of parallel in the filter pipe cross section, and baffle plate is the baffle plate that refractory material makes, and the upper edge of baffle plate is pasted and is fixed in filter pipe inwall upper end; Two of baffle plate is surveyed the two side ends that is fixed in the filter pipe inwall along pasting, and the ratio of the area of the area of above-mentioned baffle plate and filter pipe cross section is 0.3～0.6.
10. melting furnace waste gas filtering according to claim 1 system is characterized in that inside, the filter pipe inwall of said blast pit and well cover are equipped with the flame retardant coating that one deck refractory material makes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205328423U CN202490548U (en) | 2011-12-19 | 2011-12-19 | Melting furnace waste gas filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205328423U CN202490548U (en) | 2011-12-19 | 2011-12-19 | Melting furnace waste gas filtering system |
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| Publication Number | Publication Date |
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| CN202490548U true CN202490548U (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205328423U Withdrawn - After Issue CN202490548U (en) | 2011-12-19 | 2011-12-19 | Melting furnace waste gas filtering system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423598A (en) * | 2011-12-19 | 2012-04-25 | 铜陵康达铝合金制品有限责任公司 | Melting furnace waste gas filtering system |
| CN104587786A (en) * | 2015-01-20 | 2015-05-06 | 成都冠禹科技有限公司 | Waste gas purifier for chemical and medicine industries |
| CN104857808A (en) * | 2015-06-09 | 2015-08-26 | 马鞍山市顺达环保设备有限公司 | Multilayer waste gas purification device |
| CN104941368A (en) * | 2015-06-09 | 2015-09-30 | 马鞍山市顺达环保设备有限公司 | Boiler smoke dust purification device |
-
2011
- 2011-12-19 CN CN2011205328423U patent/CN202490548U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102423598A (en) * | 2011-12-19 | 2012-04-25 | 铜陵康达铝合金制品有限责任公司 | Melting furnace waste gas filtering system |
| CN102423598B (en) * | 2011-12-19 | 2014-08-06 | 铜陵康达铝合金制品有限责任公司 | Melting furnace waste gas filtering system |
| CN104587786A (en) * | 2015-01-20 | 2015-05-06 | 成都冠禹科技有限公司 | Waste gas purifier for chemical and medicine industries |
| CN104857808A (en) * | 2015-06-09 | 2015-08-26 | 马鞍山市顺达环保设备有限公司 | Multilayer waste gas purification device |
| CN104941368A (en) * | 2015-06-09 | 2015-09-30 | 马鞍山市顺达环保设备有限公司 | Boiler smoke dust purification device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121017 Effective date of abandoning: 20140806 |
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| RGAV | Abandon patent right to avoid regrant |