CN201737912U - Blast furnace gas disacidifying device - Google Patents
Blast furnace gas disacidifying device Download PDFInfo
- Publication number
- CN201737912U CN201737912U CN2010202211659U CN201020221165U CN201737912U CN 201737912 U CN201737912 U CN 201737912U CN 2010202211659 U CN2010202211659 U CN 2010202211659U CN 201020221165 U CN201020221165 U CN 201020221165U CN 201737912 U CN201737912 U CN 201737912U
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- tank body
- angle steel
- blast furnace
- steel filler
- furnace gas
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Abstract
The utility model relates to a disacidifying device which is specifically applied to the field of blast furnace gas purification and pipeline anti-corrosion in the iron and steel metallurgical industry. The utility model discloses a blast furnace gas disacidifying device which comprises a gas inlet pipe, a gas outlet pipe, a tank body, a filler filter layer and a spray device; the tank body is provided with a gas inlet; the gas inlet pipe is connected with the tank body through the gas inlet; the tank body is also provided with a gas outlet; the gas outlet pipe is connected with the tank body through the gas outlet; the tank body is also provided with a water drainage port; the filler filter layer and the spray device are arranged in the tank body; and the device is characterized in that the filler filter layer adopts angle steel filler, the angle steel filler is back-off and is horizontally arranged in the tank body. The blast furnace gas disacidifying device has the advantages of simple disacidifying principle, good dehydration effect, convenient process, operation and maintenance, simple structure, convenient manufacturing, easy installation and operation, low cost and good use effect.
Description
Technical field
The utility model relates to a kind of deacidification device, specifically is applied to the blast furnace gas purification and the pipeline corrosion protection field of iron and steel metallurgical industry.
Background technology
In the iron and steel metallurgical industry, the byproduct that produces in blast furnace ironmaking process---blast furnace gas is the fine geseous fuel, but blast furnace gas must could use for subsequent user by purification, dedusting after producing.And, in blast furnace gas, often containing a large amount of chlorine elements owing to reasons such as raw material, technologies, the chlorine element is water-soluble, then forms acid, can corrosion pipeline.And if metal ions such as calcium, magnesium in the coal gas stick on the gas pipeline wall in conjunction with then forming salt, cause line clogging in the course of time.
For the dedusting and the purification of blast furnace gas, existing technology can be divided into wet dust removal and dry gas cleaning two big classes.Wet dust removal is owing to use a large amount of spray waters that coal gas is washed, and can remove the chlorine element is water-soluble.And for dry gas cleaning, because its dust removal mechanism does not contact water substantially in the scavenging process of coal gas, the chlorine element can't effectively be removed in the coal gas, conveying and user to coal gas affect, and the situation of corrosive pipeline and obstruction has all taken place in dry gas cleaning is used in a lot of Steel Plant.
At present, general gas cleaning device is set or the cooled dehydrated tower is set by outlet spout at the blast furnace gas dry collector blast furnace gas is further purified.
There is following defective in actual applications in prior art:
1. during available technology adopting blast furnace gas purification device, the isolating effect of aqueous vapor is not very desirable.
2. available technology adopting cooled dehydrated tower purifies blast furnace gas, the structure more complicated of its device.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of blast furnace gas deacidification device, it has employing inlet pipe and escape pipe is set on tank body, tank body also offers water port, packing filter and spray equipment are set in the tank body, the angle steel filler that adopts the back-off setting is as packing filter, make one-piece construction simple, aqueous vapor separating effect ideal characteristics.
For solving the problems of the technologies described above, a kind of blast furnace gas deacidification device that the utility model provides, comprise inlet pipe, escape pipe, tank body, packing filter and spray equipment, described tank body offers inlet mouth, described inlet pipe is connected with tank body by inlet mouth, described tank body also offers the air outlet, described escape pipe is connected with described tank body by the air outlet, described tank body also offers water port, be provided with described packing filter and described spray equipment in the described tank body, it is characterized in that, described packing filter adopts the angle steel filler, described angle steel filler back-off is horizontally placed in the described tank body.
Optimized technical scheme is, described angle steel filler comprises the first angle steel filler, the second angle steel filler and third angle steel filler, the described first angle steel filler, the second angle steel filler and third angle steel filler from top to bottom order are provided with, the second angle steel filler is than first angle steel level of filler rotation, 60 degree, and third angle steel filler is than reverse direction rotation 60 degree of the past second angle steel filler rotation of the first angle steel filler.
The technical scheme that is more preferably is, described spray equipment adopts heavy caliber involute urve water nozzle, and the layout of described heavy caliber involute urve water nozzle comprises the first layer and the second layer.
Be also to be provided with the nitrogen purging joint on the described tank body to improvement of the technical scheme; The top of tank body also is provided with bleeder; The upper, middle and lower of tank body also offers inspection manhole.
Be that the shoulder of tank body also is provided with bleeder to further improvement in the technical proposal.
Advantage of the present utility model is:
1. the utility model provides a kind of new blast furnace gas deacidification device, by adopting inlet pipe and escape pipe are set on tank body, tank body also offers water port, packing filter and spray equipment are set in the tank body, make one-piece construction simple, the deacidification process is easy, can effectively solve the chlorine element harm that iron and steel metallurgical industry uses blast furnace gas dry gas cleaning technology to be brought, solved available technology adopting cooled dehydrated tower blast furnace gas is purified, the texture ratio of its device is than complicated problems.The utility model is by adopting the angle steel filler as packing filter, the angle steel left-hand thread is placed, the blast furnace gas easier uniform distribution under the roof type structure that the angle steel filler forms that makes the process washing, be unlikely to flow to disorderly, make that simultaneously the moisture in the coal gas is condensed afterwards to sink to discharging from water port on angle steel, make that the coal gas dehydrating effect after the deacidification is better, when having solved available technology adopting blast furnace gas purification device, the isolating effect of aqueous vapor is not unusual ideal problem.
2. adopt three layers of angle steel filler, every layer of angle steel filler rotates 60 degree angles in the horizontal direction, makes that the blast furnace gas in the tank body fully contacts with the angle steel filler, makes out that water-based and dehydrating effect are better.
3. spray equipment is adopted heavy caliber involute urve water nozzle, this water nozzle atomizing effect is good, is difficult for stopping up, and it is two-layer at least that this involute urve water nozzle is distributed, every layer at least one, can make coal gas fully contact with water, it is effective to deacidify.
4. inspection manhole is offered in the upper, middle and lower that nitrogen purging joint tank body is set on tank body, the top of tank body is provided with bleeder, what choosing was more arranged is, shoulder at tank body also is provided with bleeder, and it is convenient to make maintenance and coal gas handle, and improves the ability of diffusing of coal gas, and when the damping down state, coal gas also can be discharged as early as possible.
A kind of blast furnace gas deacidification device provided by the utility model, the deacidification principle is simple, and dehydrating effect is good, and technology is simple and direct, convenient operation and safeguarding, it is simple in structure, easy to make, be easy to installation and operation, cost is low, result of use good.
Description of drawings
Below in conjunction with the drawings and specific embodiments the technical solution of the utility model is further described in detail.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a heavy caliber involute urve water faucet structure synoptic diagram in the utility model.
Fig. 3 is a first layer angle steel filler plan structure synoptic diagram in the utility model.
Fig. 4 is a second layer angle steel filler plan structure synoptic diagram in the utility model.
Fig. 5 is the 3rd layer of angle steel filler plan structure synoptic diagram in the utility model.
Fig. 6 is the P-P face structural representation of angle steel filler.
Fig. 7 is the utility model dust collecting process figure.
Wherein, 1-is distributed in the heavy caliber involute urve water nozzle of the first layer, and 2-is distributed in the heavy caliber involute urve water nozzle of the second layer, 3-angle steel filler, 4-tank body shoulder bleeder, 5-tank body middle part inspection manhole, 6-tank body bottom inspection manhole, 7-water-freeing arrangement, 8-tank body top bleeder, 9-tank body top inspection manhole, 10-gas inlet pipe, 11-coal gas escape pipe, the 12-dry collector, 13-by-pass valve group, 14-TRT device, 15-the utility model, the 16-blast furnace gas is responsible for, the 17-angle steel.
Embodiment
The technical program is provided with an a kind of blast furnace gas deacidification device provided by the utility model by the outlet pipe at blast furnace gas dry collector 12, removes the chlorine element in the coal gas.Its flow process is as shown in Figure 7: blast furnace gas is by dry collector 12 dedustings, reclaim overbottom pressure cogeneration or 13 step-downs of by-pass valve group by TRT device 14 again, the blast furnace gas deacidification device 15 that entering the utility model provides deacidifies, and enters blast furnace gas at last and is responsible for 16.
Structural representation of the present utility model as shown in Figure 1, tank body is communicated with gas inlet pipe 10, coal gas escape pipe 11, water port, be provided with spray equipment in tank interior, water nozzle for spray equipment, preferred employing heavy caliber involute urve water nozzle shown in Figure 2, be more preferably, two-layer about this heavy caliber involute urve water nozzle is arranged, as heavy caliber involute urve water nozzle that is distributed in the first layer among Fig. 11 and the heavy caliber involute urve water nozzle that is distributed in the second layer.
Tank interior also is provided with angle steel filler 3, and as shown in Figure 6, each layer angle steel filler all adopts the back-off form, be horizontally placed in the tank body, the angle of rotation between each layer can for 30 the degree to 60 the degree.When adopting 60 degree angle of rotation, the angle steel filler only need adopt three layers and get final product; When adopting 45 degree angle of rotation, the angle steel filler needs four layers; When adopting 30 degree angle of rotation, the angle steel filler needs 6 layers; The number of plies that the angle steel filler adopts=360 degree/(2* rotates the number of degrees) are calculated, the many more dehydrating effects of the number of plies are good more, but the permeability of device interior can be affected, preferably, in tank body, weld three layers of angle steel from top to bottom, the trilaminar angle steel filling-material structure of the first layer to the schematic top plan view is used for coal gas deacidification back dehydration is used shown in Fig. 3 ~ 5.Because three layers of angle steel soldering angle difference, can fully remove the mechanical water in the coal gas, to be rotated counterclockwise 60 degree fixing with the first layer angle steel filler relatively for second layer angle steel filler, and the 3rd layer of angle steel fixed with respect to the first layer angle steel filler 60 degree that turn clockwise.For the angle steel filler
Tank body is provided with the nitrogen purging joint; The top of tank body is provided with bleeder 8, and shoulder is provided with bleeder 4; The upper, middle and lower of tank body offers inspection manhole 9,5,6.
Spray of the present utility model water source is the alkaline water of pressure 0.8MPa, by fully contacting of water and coal gas, removes the chlorion in the coal gas is water-soluble.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. blast furnace gas deacidification device, comprise inlet pipe, escape pipe, tank body, packing filter and spray equipment, described tank body offers inlet mouth, described inlet pipe is connected with tank body by inlet mouth, described tank body also offers the air outlet, described escape pipe is connected with described tank body by the air outlet, described tank body also offers water port, be provided with described packing filter and described spray equipment in the described tank body, it is characterized in that, described packing filter adopts the angle steel filler, and described angle steel filler back-off is horizontally placed in the described tank body.
2. a kind of blast furnace gas deacidification device as claimed in claim 1, it is characterized in that, described angle steel filler comprises the first angle steel filler, the second angle steel filler and third angle steel filler, the described first angle steel filler, the second angle steel filler and third angle steel filler from top to bottom order are provided with, the second angle steel filler is than first angle steel level of filler rotation, 60 degree, and third angle steel filler is than reverse direction rotation 60 degree of the past second angle steel filler rotation of the first angle steel filler.
3. a kind of blast furnace gas deacidification device as claimed in claim 1 or 2 is characterized in that described spray equipment adopts heavy caliber involute urve water nozzle, and the layout of described heavy caliber involute urve water nozzle comprises the first layer and the second layer.
4. a kind of blast furnace gas deacidification device as claimed in claim 1 or 2 is characterized in that, also is provided with the nitrogen purging joint on the described tank body; The top of tank body also is provided with bleeder; The upper, middle and lower of tank body also offers inspection manhole.
5. a kind of blast furnace gas deacidification device as claimed in claim 3 is characterized in that, also is provided with the nitrogen purging joint on the described tank body; The top of tank body also is provided with bleeder; The upper, middle and lower of tank body also offers inspection manhole.
6. a kind of blast furnace gas deacidification device as claimed in claim 4 is characterized in that the shoulder of tank body also is provided with bleeder.
7. a kind of blast furnace gas deacidification device as claimed in claim 5 is characterized in that the shoulder of tank body also is provided with bleeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202211659U CN201737912U (en) | 2010-06-10 | 2010-06-10 | Blast furnace gas disacidifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202211659U CN201737912U (en) | 2010-06-10 | 2010-06-10 | Blast furnace gas disacidifying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201737912U true CN201737912U (en) | 2011-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202211659U Expired - Fee Related CN201737912U (en) | 2010-06-10 | 2010-06-10 | Blast furnace gas disacidifying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201737912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107385129A (en) * | 2017-09-20 | 2017-11-24 | 中冶南方工程技术有限公司 | A kind of blast furnace gas saturator method cleaning system |
-
2010
- 2010-06-10 CN CN2010202211659U patent/CN201737912U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107385129A (en) * | 2017-09-20 | 2017-11-24 | 中冶南方工程技术有限公司 | A kind of blast furnace gas saturator method cleaning system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20110209 Termination date: 20160610 |