CN104329949A - Rotary kin tail gas utilization equipment - Google Patents
Rotary kin tail gas utilization equipment Download PDFInfo
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- CN104329949A CN104329949A CN201410579515.1A CN201410579515A CN104329949A CN 104329949 A CN104329949 A CN 104329949A CN 201410579515 A CN201410579515 A CN 201410579515A CN 104329949 A CN104329949 A CN 104329949A
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- rotary kiln
- exhaust gas
- entrance
- outlet
- equipment
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The invention relates to the field of a rotary kiln, in particular to rotary kin tail gas utilization equipment. The rotary kin tail gas utilization equipment comprises at least one heat exchanger, wherein each heat exchanger comprises a first inlet, a second inlet, a first outlet and a second outlet, the first inlet and the first outlet are connected through a pipeline, the second inlet and the second outlet are connected through a pipeline, a tail gas exhaust opening of the rotary kiln is connected with the heat exchanger through the first inlet, the rotary kin tail gas utilization equipment also comprises a cooling source, dust removal equipment and at least one piece of heat requiring equipment, the cooling source is connected with the second inlet, the first outlet is connected with the dust removal equipment through a gas exhaust pipeline, the heat requiring equipment is connected in series or in parallel, and a work medium inlet of the heat requiring equipment is connected with the second outlet. The rotary kin tail gas utilization equipment has the advantages that the rotary kiln tail gas temperature can be effectively reduced, so the damage to the dust removal equipment due to high temperature can be reduced, and in addition, the heat of the rotary kiln tail gas can be reused.
Description
Technical field
The present invention relates to rotary kiln field, especially a kind of rotary kiln exhaust gas utilizes equipment.
Background technology
Not only temperature is very high for the tail gas of rotary kiln, and dust is more, utilizes chimney directly to discharge, very serious to air pollution, so often need to carry out dust recovery to tail gas.Existing cleaner; such as mechanical type cleaner, wet-scrubbing equipment, electrostatic dust collection equipment and bag-type dust collecting equipment etc.; it often can not bear high temperature; so need to need enough spaces for supplements cold at the afterbody of rotary kiln, mix with tail gas, to reduce the temperature of tail gas; thus the object of protection cleaner can be reached; but this not only increases the space of kiln tail cold smoke room, also increase the treating capacity of exhaust apparatus, and heat energy is also wasted.
Summary of the invention
In view of this, the invention provides a kind of rotary kiln exhaust gas and utilize equipment, main purpose is, can reduce rotary kiln exhaust gas temperature reduce high temperature to the infringement of described cleaner while, by the recycling of the heat of rotary kiln exhaust gas.
In order to achieve the above object, the present invention mainly provides following technical scheme:
On the one hand, embodiments of the invention provide a kind of rotary kiln exhaust gas to utilize equipment, comprise at least one heat exchanger, each described heat exchanger comprises the first entrance, the second entrance, the first outlet and the second outlet, described first entrance and described first is exported and is connected by pipeline, described second entrance and described second is exported and is connected by pipeline, the tail gas outlet of rotary kiln is connected with described heat exchanger through described first entrance, described rotary kiln exhaust gas utilizes equipment also to comprise: cooling source, and described cooling source is connected with described second entrance; Cleaner, described first outlet is connected with described cleaner through gas emission pipe; The heat-needing facility that at least one serial or parallel connection is arranged, the working medium entrance and described second of described heat-needing facility exports and is connected.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid rotary kiln exhaust gas utilizes equipment, and described cooling source comprises air pump, and described air pump one end is connected with cryogenic gas, and the other end is connected with described second entrance through gas lines.
Aforesaid rotary kiln exhaust gas utilizes equipment, and described gas emission pipe is provided with thermometer, and described gas lines is provided with flow controller.
Aforesaid rotary kiln exhaust gas utilizes equipment, and described cooling source comprises liquor pump, and described liquor pump one end is connected with liquid, and the other end is connected with described second entrance.
Aforesaid rotary kiln exhaust gas utilizes equipment, and described heat-needing facility is heating system.
Aforesaid rotary kiln exhaust gas utilizes equipment, and described heat-needing facility is drying plant.
Aforesaid rotary kiln exhaust gas utilizes equipment, between described first outlet and described cleaner, be provided with cooler.
Aforesaid rotary kiln exhaust gas utilizes equipment, and the outlet of described heat-needing facility is connected through reflux line with the entrance of described cooling source.
Aforesaid rotary kiln exhaust gas utilizes equipment, and described reflux line is provided with at least one cooler.
Aforesaid rotary kiln exhaust gas utilizes equipment, and the number of described cooler is two or more, and cooler serial or parallel connection described in two or more is arranged.
By technique scheme, a kind of rotary kiln exhaust gas that the present invention proposes utilizes equipment at least to have following advantages:
1) by the setting of described heat exchanger, the temperature of described rotary kiln exhaust gas can be effectively reduced, thus reduce high temperature to the infringement of described cleaner.
2) by the setting of described heat-needing facility, can by the recycling of the heat of described rotary kiln exhaust gas.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of rotary kiln exhaust gas that embodiments of the invention provide utilizes equipment.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing and preferred embodiment, the detailed description of the invention of equipment, structure, feature and effect thereof are utilized to a kind of rotary kiln exhaust gas proposed according to the present invention, is described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 1, a kind of rotary kiln exhaust gas that one embodiment of the present of invention propose utilizes equipment, described rotary kiln exhaust gas utilizes equipment to comprise a heat exchanger 1, described heat exchanger 1 comprises the first entrance, second entrance, first outlet and the second outlet, described first entrance and described first is exported and is connected by pipeline, described second entrance and described second is exported and is connected by pipeline, the tail gas outlet of rotary kiln is connected with described heat exchanger 1 through described first entrance, described rotary kiln exhaust gas utilizes equipment also to comprise: cooling source 2, described cooling source 2 is connected with described second entrance, cleaner 3, described first outlet is connected with described cleaner 3 through gas emission pipe, heat-needing facility 4, the working medium entrance and described second of described heat-needing facility 4 exports and is connected.
Because the exhaust temperature of discharging from the tail gas outlet of described rotary kiln is very high, and also have more dust, therefore cannot directly utilize.So be connected by first entrance of described tail gas outlet with described heat exchanger 1, described first entrance and described first is exported and is connected by pipeline, described first outlet is connected with described cleaner 3.Thus, can ensure that described tail gas all enters in described cleaner 3, can't be leaked in heat exchanger 1.Described cooling source 2 is connected with described second entrance, and described second entrance and described second is exported and is connected by pipeline, and described second outlet is connected with described heat-needing facility 4, thus can ensure that the working medium flowed out from described cooling source 2 can not by described tail gas pollution.
The temperature of the working medium flowed out by described cooling source 2 is lower, when entering in described heat exchanger 1, can be heated by the high-temperature gas of being discharged by described rotary kiln.Can be flowed to described heat-needing facility 4 by the described working medium after heating, the heat in described working medium can be used by described heat-needing facility 4.The high-temperature gas of being discharged by described rotary kiln, when entering in described heat exchanger 1, can be lowered the temperature by described working medium, discharges after the tail gas then after cooling carries out dedusting in described cleaner 3.
Utilize equipment by this rotary kiln exhaust gas, the exhaust temperature entering cleaner 3 can be made to remain on about 150 DEG C, because the operating temperature of described cleaner 3 more than 200 DEG C, thus can not can ensure the safe work state of cleaner 3.
By the setting of described heat exchanger 1, the temperature of described rotary kiln exhaust gas can be effectively reduced, thus reduce high temperature to the infringement of described cleaner 3.By the setting of described heat-needing facility 4, can by the recycling of the heat of described rotary kiln exhaust gas.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, compared with above-described embodiment, is connected with two heat exchangers 1 at the afterbody of described rotary kiln, and these two heat exchangers 1 are arranged in parallel.Each heat exchanger 1 is provided with the first entrance, the second entrance, the first outlet and the second outlet, and each heat exchanger 1 connects from different cooling sources 2, different cleaners 3 and different heat-needing facilities 4 respectively.
Selectively, each heat exchanger 1 be arranged in parallel can also be connected with same cooling source 2.
Selectively, each heat exchanger 1 be arranged in parallel can also be connected with same cleaner 3.
Selectively, each heat exchanger 1 be arranged in parallel can also be connected with same heat-needing facility 4.
Selectively, the quantity of the heat exchanger 1 be arranged in parallel can also be more than three.
By being arranged in parallel heat exchanger 1, exhaust emissions and the cooling efficiency of described rotary kiln discharge greatly can be improved.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, compared with above-described embodiment, be connected with two heat exchangers 1 (being respectively the first heat exchanger 1 and the second heat exchanger 1) at the afterbody of described rotary kiln, described first heat exchanger 1 and described second heat exchanger 1 are arranged in series.Each heat exchanger 1 is provided with the first entrance, the second entrance, the first outlet and the second outlet, and each heat exchanger 1 connects from different cooling sources 2, different cleaners 3 and different heat-needing facilities 4 respectively.
Selectively, each heat exchanger 1 be arranged in series can also be connected with same cooling source 2.
Selectively, each heat exchanger 1 be arranged in series can also be connected with same cleaner 3.
Selectively, each heat exchanger 1 be arranged in series can also be connected with same heat-needing facility 4.
Selectively, the quantity of the heat exchanger 1 be arranged in series is more than three.
By being arranged in series heat exchanger 1, the heat in described tail gas can be made to make full use of.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, compared with above-described embodiment, has been arranged in series two heat-needing facilities 4 in described second exit.
Selectively, the quantity of the described heat-needing facility 4 be arranged in series is more than three.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, compared with above-described embodiment, has been arranged in parallel two heat-needing facilities 4 in described second exit.
Selectively, the quantity of the described heat-needing facility 4 be arranged in parallel is more than three.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, and compared with above-described embodiment, described cooling source 2 comprises air pump, and described air pump one end is connected with cryogenic gas, and the other end is connected with described second entrance through gas lines.Described cryogenic gas is air.The setting of described air pump, can increase the amount by the working medium of described heat exchanger 1 between unit.Thus, improve the operating efficiency of described heat exchanger 1.
By the air that described second outlet is discharged, temperature can reach 220 DEG C, and the heat in high temperature atmosphere is utilized further by described thermal storage equipment.And kiln tail exhaust temperature can be reduced to about 150 degree after heat exchange, enter discharge treating system, discharge.
Selectively, described cryogenic gas is other gases that temperature is lower.
Selectively, described cryogenic gas is liquid gas.
Further, described gas emission pipe is provided with thermometer, described gas lines is provided with flow controller.Described flow controller carries out arranging correlative flow parameter according to the numerical value of the thermometer on described gas emission pipe, namely, according to the temperature of described tail gas, determines the magnitude of recruitment of cooling source 2 working medium.Thus, making full use of of described cooling source 2 working medium can be made.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, and compared with above-described embodiment, described cooling source 2 comprises liquor pump, and described liquor pump one end is connected with liquid, and the other end is connected with described second entrance.
Preferably, described heat-needing facility 4 is heating system.
Selectively, described heat-needing facility 4 is drying plant.
With the motor model of kiln be below
power is 75Kw, and described rotary furnace each hour can be drying system equipment 45000m
3hot blast, thus saved a large amount of fuel.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, compared with above-described embodiment, between described first outlet and described cleaner 3, is provided with cooler.Thus, the tail gas cooled through described heat exchanger 1 can be lowered the temperature further, reduce temperature further to the risk of the damage of described cleaner 3.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, and compared with above-described embodiment, the outlet of described heat-needing facility 4 is connected through reflux line with the entrance of described cooling source 2.Thus, the working medium in described cooling source 2 can be reused.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, compared with above-described embodiment, described reflux line is provided with cooler.To reduce the temperature of cooling source 2 working medium recycled, thus the effect of heat exchanger 1 pair of tail gas cooling can not be affected.
Preferably, another embodiment of the present invention proposes a kind of rotary kiln exhaust gas and utilizes equipment, and compared with above-described embodiment, the number of described cooler is two or more, and cooler serial or parallel connection described in two or more is arranged.Thus the temperature of cooling source 2 working medium of recycling can be reduced further.
The above, it is only preferred embodiment of the present invention, not do any pro forma restriction to the present invention, any simple modification done above embodiment according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (10)
1. rotary kiln exhaust gas utilizes an equipment, it is characterized in that, comprising:
At least one heat exchanger, each described heat exchanger comprises the first entrance, the second entrance, the first outlet and the second outlet, described first entrance and described first is exported and is connected by pipeline, described second entrance and described second is exported and is connected by pipeline, and the tail gas outlet of rotary kiln is connected with described heat exchanger through described first entrance;
Cooling source, described cooling source is connected with described second entrance;
Cleaner, described first outlet is connected with described cleaner through gas emission pipe;
The heat-needing facility that at least one serial or parallel connection is arranged, the working medium entrance and described second of described heat-needing facility exports and is connected.
2. rotary kiln exhaust gas according to claim 1 utilizes equipment, it is characterized in that,
Described cooling source comprises air pump, and described air pump one end is connected with cryogenic gas, and the other end is connected with described second entrance through gas lines.
3. rotary kiln exhaust gas according to claim 2 utilizes equipment, it is characterized in that,
Described gas emission pipe is provided with thermometer, described gas lines is provided with flow controller.
4. rotary kiln exhaust gas according to claim 1 utilizes equipment, it is characterized in that,
Described cooling source comprises liquor pump, and described liquor pump one end is connected with liquid, and the other end is connected with described second entrance.
5. rotary kiln exhaust gas according to claim 1 utilizes equipment, it is characterized in that,
Described heat-needing facility is heating system.
6. rotary kiln exhaust gas according to claim 1 utilizes equipment, it is characterized in that,
Described heat-needing facility is drying plant.
7. rotary kiln exhaust gas according to claim 1 utilizes equipment, it is characterized in that,
Cooler is provided with between described first outlet and described cleaner.
8. rotary kiln exhaust gas according to claim 1 utilizes equipment, it is characterized in that,
The outlet of described heat-needing facility is connected through reflux line with the entrance of described cooling source.
9. rotary kiln exhaust gas according to claim 8 utilizes equipment, it is characterized in that,
Described reflux line is provided with at least one cooler.
10. rotary kiln exhaust gas according to claim 9 utilizes equipment, it is characterized in that,
The number of described cooler is two or more, and cooler serial or parallel connection described in two or more is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579515.1A CN104329949A (en) | 2014-10-24 | 2014-10-24 | Rotary kin tail gas utilization equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410579515.1A CN104329949A (en) | 2014-10-24 | 2014-10-24 | Rotary kin tail gas utilization equipment |
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| Publication Number | Publication Date |
|---|---|
| CN104329949A true CN104329949A (en) | 2015-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410579515.1A Pending CN104329949A (en) | 2014-10-24 | 2014-10-24 | Rotary kin tail gas utilization equipment |
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| CN (1) | CN104329949A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583742A (en) * | 2016-12-13 | 2017-04-26 | 赵恒祥 | Lead powder thermal energy conversion and utilization device and method |
| CN110763037A (en) * | 2019-11-05 | 2020-02-07 | 盐边县向阳钒业有限公司 | Tail gas treatment method and device for vanadium-based alloy rotary kiln production line and application of tail gas treatment method and device |
-
2014
- 2014-10-24 CN CN201410579515.1A patent/CN104329949A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583742A (en) * | 2016-12-13 | 2017-04-26 | 赵恒祥 | Lead powder thermal energy conversion and utilization device and method |
| CN110763037A (en) * | 2019-11-05 | 2020-02-07 | 盐边县向阳钒业有限公司 | Tail gas treatment method and device for vanadium-based alloy rotary kiln production line and application of tail gas treatment method and device |
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Application publication date: 20150204 |
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