CN203771677U - Vertical air heating furnace for catalyst device - Google Patents
Vertical air heating furnace for catalyst device Download PDFInfo
- Publication number
- CN203771677U CN203771677U CN201420175328.2U CN201420175328U CN203771677U CN 203771677 U CN203771677 U CN 203771677U CN 201420175328 U CN201420175328 U CN 201420175328U CN 203771677 U CN203771677 U CN 203771677U
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- CN
- China
- Prior art keywords
- air
- heater
- catalyst
- cold air
- entrance
- 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.)
- Expired - Lifetime
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 17
- 239000003054 catalyst Substances 0.000 title claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 20
- 239000002737 fuel gas Substances 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims abstract description 5
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 239000003063 flame retardant Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000001694 spray drying Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Landscapes
- Spray-Type Burners (AREA)
Abstract
The utility model relates to a vertical air heating furnace for a catalyst device. The vertical air heating furnace for the catalyst device comprises a furnace body and a combustion system. The top end of the furnace body is connected with the catalyst drying device. The furnace body is of a cylindrical structure, wherein the diameter of the bottom is large, and the hot air outlet end on the top is small. The furnace body comprises an outer cylinder, an inner cylinder and a lining, wherein a cold air preheating cavity is formed between the outer cylinder and the inner cylinder, and preheated air in the cold air preheating cavity is led into the furnace body to participate in combustion through a recycled air inlet i formed in one side of the lower portion of the furnace body. The combustion system comprises a combustor installed on a base of the furnace body. The outer end of the combustor is provided with a main gas inlet a, an ignition fuel gas inlet b, an electric igniter port c, an ignition air inlet d, a combustor observation hole e, a flame detector f, a purified air inlet and a preheated air inlet h1, wherein the preheated air inlet h1 is connected with the cold air preheating cavity, and the preheated air in the cold air preheating cavity is led into the combustion system to participate in ignition and combustion through the preheated air inlet. The vertical air heating furnace for the catalyst device has the cold air preheating function, saves energy and protects the environment.
Description
Technical field
The utility model relates to air heating plant, and referring in particular to a kind ofly provides the catalyst-assembly Vertical air heating furnace of hot-air by liquid state or the burning of fuel gas for catalyst spray drying tower.
Background technology
At present, the main mode of production of domestic Cracking catalyst forms for spraying is dry, and the spraying drying capacity of catalyst is larger, and needed hot blast rate is just more.The combustion system of current Vertical air heating furnace is mainly directly to adopt the burning of cold air and fuel mix, and such combustion system can exist part of fuel burning insufficient, causes the low and economic benefit of the thermal efficiency to run off.
Summary of the invention
The purpose of this utility model is for the shortcoming existing in background technology and problem improvement and bring new ideas in addition, a kind of rational cold air preheating structure that is provided with is provided, can make fuel gas fully mix with the air after preheating, thereby make the fuel can clean-burning catalyst-assembly Vertical air heating furnace.
The technical solution of the utility model comprises the body of heater erect arranging, and its body of heater bottom arranges combustion system, and top connects and carries hot-air after burning to catalyst drying device, wherein:
Body of heater is that base diameter is large, the little tubular structure of top hot-blast outlet end, body of heater comprises outer cylinder body, inner barrel and lining, and between outer cylinder body and inner barrel, be provided with cold air preheating cavity, the reuse wind entrance i that the preheated air in cold air preheating cavity arranges by lower portion of furnace body one side introduces participation burning in body of heater;
Described combustion system comprises the burner being arranged on base of furnace body, burner outer end is provided with main gas inlet a, igniter fuel gas entrance b, electric igniter interface c, igniting air intake d, burner peephole e, flame detector f, purifies wind entrance and preheated air entrance h1, wherein preheated air entrance h1 connects cold air preheating cavity, and the preheated air in cold air preheating cavity is introduced to combustion system participation ignition.
Advantage of the present utility model and beneficial effect:
The utility model adopts ordinary carbon steel material (having backing layer part) and heat resisting steel (without backing layer part) to combine, the draw ratio reasonable in design according to treating capacity, inside and outside cylindrical shell chuck design makes heating furnace have the function of cold air preheating concurrently, makes the abundant mixed combustion of fuel gas and preheated air; Thereby according to treating capacity and fuel gas classification, adopt burner special to make fuel gas and preheated air carry out premixed and reach completing combustion; Bottom of furnace body is provided with flame scanning system, is convenient to flame to monitor; In burner hearth, temperature is up to 1200 ℃, adopt special lining material and rational liner thickness, make the metal temperature of carbon steel inner barrel be controlled at 200 ℃ of left and right, fresh wind in inside and outside cylindrical shell chuck is taken away this part heat as the use of air preheat, reach the effect of waste heat recovery, body of heater can high temperature resistantly guarantee that intensity can carry out preheating to air again, thereby improved efficiency of combustion, has improved economic benefit, also can not cause environmental pollution.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is Fig. 1 I place enlarged drawing.
The specific embodiment
From Fig. 1,2, the utility model comprises the body of heater erect arranging, and its body of heater bottom arranges combustion system, and top connects and carries hot-air after burning to catalyst drying device, wherein:
Body of heater is that base diameter is large, the little tubular structure of top hot-blast outlet end, body of heater comprises outer cylinder body 4, inner barrel 3 and lining 5, and between outer cylinder body 4 and inner barrel 3, be provided with cold air preheating cavity 6, the reuse wind entrance i that the preheated air in cold air preheating cavity 6 arranges by lower portion of furnace body one side introduces participation burning in body of heater;
Described combustion system comprises the burner 1 being arranged on base of furnace body 2, burner 1 outer end is provided with main gas inlet a, igniter fuel gas entrance b, electric igniter interface c, igniting air intake d, burner peephole e, flame detector f, purifies wind entrance and preheated air entrance h1, wherein preheated air entrance h1 connects cold air preheating cavity 6, and the preheated air in cold air preheating cavity 6 is introduced to combustion system participation ignition.
Cold air preheating cavity 6 described in the utility model is to be formed by upper and lower two ring flat-plates and inner barrel 3 welding by outer cylinder body 4, has the circular hole of introducing cold air on its ring flat-plate, between ring flat-plate and inner barrel 3, is also welded with reinforcement gusset; On described outer cylinder body 4, be provided with the pre-hot-blast outlet m that the preheated air in cold air preheating cavity 6 is delivered to preheated air entrance h1, reuse wind entrance i.Described lining 5 is fixed on the inwall of inner barrel 3, and by the flame retardant coating contacting with flame in body of heater, the thermal insulation layer in the middle of being arranged on, forms with the flexible flame retardant coating being connected with inner barrel 3.Described body of heater top is connected to catalyst drying device by hot air outlet l, and lower portion of furnace body is provided with a wind total mouthful of h2, manhole j and peephole k, and body of heater bottom is fixed on base 2.On described base 2, being provided with at least two shaped steel supporting members 7 connects and supporting body of heater and base 2 and burner 1.Described purification wind entrance comprises purification wind entrance one g1 being arranged on burner peephole e, and is arranged on purification wind entrance two g2 on flame detector f.
The utility model body of heater is comprised of outer cylinder body 4, inner barrel 3, lining 5, burner 1 and base 2.Outer cylinder body and inner barrel (having backing layer part) are all the circular cylinder bodies of being made by carbon steel, and burner 1 is located at bottom of furnace body, and bottom of furnace body diameter is larger, and top hot-blast outlet end diameter is less.Chuck space between inside and outside cylindrical shell has just formed the cold air preheating cavity 6 of heating furnace.The periphery of inner wall of inner barrel 3 carbon steel parts is provided with the lining 5 that nonmetal plastic refractory material is made; Bottom of furnace body burner 1 is provided with and purifies wind entrance one g1, purifies wind entrance two g2, preheated air entrance h1, main gas inlet a, igniter fuel gas entrance b, electric igniter interface c, igniting air intake d, burner peephole e, flame detector f; Lower portion of furnace body housing is provided with total mouthful of h2 of a wind, reuse wind entrance i, manhole j, body of heater peephole k; Outer cylinder body 4 middle parts are provided with pre-hot-blast outlet m, are transported to preheated air entrance h1 and the reuse wind entrance i of lower portion of furnace body through air blast, and fuel gas, preheated air are introduced to burner hearth, make the more abundant of preheating mist burning afterwards.Hot-air after burning directly enters spray drying tower top for dry catalyst slurries by the hot air outlet l at body of heater top.
The utility model body of heater middle part outer cylinder body 4 by upper and lower two ring flat-plates directly and inner barrel 3 be welded into integral body.On ring flat-plate, offer several small sircle holes, cold air enters chuck space by small sircle hole and carries out preheating.Between ring flat-plate and inner barrel 3, be welded with some and strengthen gusset, guarantee the reliability that outer cylinder body 4 is connected with inner barrel 3.The lining 5 that the nonmetal plastic refractory material of inner barrel 3 circular cylinder body periphery of inner wall settings is made is three layers, and ground floor (with flame contact layer) is flame retardant coating, and the second layer is thermal insulation layer, and the 3rd layer is flexible flame retardant coating.Bottom of furnace body is provided with several shaped steel seat supporting base of furnace body 2 and burners 1.Body of heater inner barrel 3 is fixed on basis by several anchoring parts.Burner 1 is located at the bottom centre of body of heater, and fuel gas enters burner hearth thus, mixes in burner hearth with the hot-air of preheated air entrance h1 and reuse wind entrance i.
Operation principle of the present utility model is: cold air, through preheating cavity preheating, then mixes by burner and fully burns with fuel gas, produces thermal current endlessly and enters spray drying tower, is dry kinetic energy and the heat energy of providing of catalyst slurry.Heat energy and kinetic energy that furnace diameter is needed by pneumatic conveyer dryer, and combustion volume calorific intensity is definite, body of heater length is by calculative determination burning time.
Embodiment described in the utility model is only the description that preferred embodiment of the present utility model is carried out; not the utility model design and scope are limited; do not departing under the prerequisite of the utility model design philosophy; various modification and improvement that in this area, engineers and technicians make the technical solution of the utility model; all should fall into protection domain of the present utility model; the technology contents that the utility model is asked for protection, is all documented in claims.
Claims (6)
1. a catalyst-assembly Vertical air heating furnace, comprises and erects the body of heater arranging, its body of heater bottom arranges combustion system, and top connects and carries hot-air after burning to catalyst drying device, it is characterized in that:
Body of heater is that base diameter is large, the little tubular structure of top hot-blast outlet end, body of heater comprises outer cylinder body (4), inner barrel (3) and lining (5), and between outer cylinder body (4) and inner barrel (3), be provided with cold air preheating cavity (6), in the reuse wind entrance i introducing body of heater that the preheated air in cold air preheating cavity (6) arranges by lower portion of furnace body one side, participate in burning;
Described combustion system comprises the burner (1) being arranged on base of furnace body (2), burner (1) outer end is provided with main gas inlet a, igniter fuel gas entrance b, electric igniter interface c, igniting air intake d, burner peephole e, flame detector f, purifies wind entrance and preheated air entrance h1, wherein preheated air entrance h1 connects cold air preheating cavity (6), and the preheated air in cold air preheating cavity (6) is introduced to combustion system participation ignition.
2. catalyst-assembly Vertical air heating furnace according to claim 1, it is characterized in that described cold air preheating cavity (6) is to be formed by upper and lower two ring flat-plates and inner barrel (3) welding by outer cylinder body (4), on its ring flat-plate, have the circular hole of introducing cold air, ring flat-plate and inner barrel are also welded with reinforcement gusset between (3); On described outer cylinder body (4), be provided with the pre-hot-blast outlet m that the preheated air in cold air preheating cavity (6) is delivered to preheated air entrance h1, reuse wind entrance i.
3. catalyst-assembly Vertical air heating furnace according to claim 1, it is characterized in that described lining (5) is fixed on the inwall of inner barrel (3), by the flame retardant coating contacting with flame in body of heater, thermal insulation layer in the middle of being arranged on, forms with the flexible flame retardant coating being connected with inner barrel (3).
4. catalyst-assembly Vertical air heating furnace according to claim 1, it is characterized in that described body of heater top is connected to catalyst drying device by hot air outlet l, lower portion of furnace body is provided with a wind total mouthful of h2, manhole j and peephole k, and body of heater bottom is fixed on base (2).
5. catalyst-assembly Vertical air heating furnace according to claim 1, is provided with at least two shaped steel supporting members (7) connection and supporting body of heater and base (2) and burner (1) on the base (2) described in it is characterized in that.
6. catalyst-assembly Vertical air heating furnace according to claim 1, is characterized in that described purification wind entrance comprises purification wind entrance one g1 being arranged on burner peephole e, and is arranged on purification wind entrance two g2 on flame detector f.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175328.2U CN203771677U (en) | 2014-04-14 | 2014-04-14 | Vertical air heating furnace for catalyst device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420175328.2U CN203771677U (en) | 2014-04-14 | 2014-04-14 | Vertical air heating furnace for catalyst device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203771677U true CN203771677U (en) | 2014-08-13 |
Family
ID=51288863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420175328.2U Expired - Lifetime CN203771677U (en) | 2014-04-14 | 2014-04-14 | Vertical air heating furnace for catalyst device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203771677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566340A (en) * | 2015-01-27 | 2015-04-29 | 东莞市力信自动喷涂设备有限公司 | Smokeless particle combustion machine |
-
2014
- 2014-04-14 CN CN201420175328.2U patent/CN203771677U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566340A (en) * | 2015-01-27 | 2015-04-29 | 东莞市力信自动喷涂设备有限公司 | Smokeless particle combustion machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
|
| CX01 | Expiry of patent term |