CN206143228U - Coal gas spraying cooling system before gas chamber cabinet - Google Patents
Coal gas spraying cooling system before gas chamber cabinet Download PDFInfo
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- CN206143228U CN206143228U CN201621259278.1U CN201621259278U CN206143228U CN 206143228 U CN206143228 U CN 206143228U CN 201621259278 U CN201621259278 U CN 201621259278U CN 206143228 U CN206143228 U CN 206143228U
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- gas
- cabinet
- gas chamber
- coal gas
- coal
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Abstract
The utility model provides a coal gas spraying cooling system before gas chamber cabinet belongs to gas chamber and piping work technical field, the system includes gas chamber, the outer gas piping of cabinet and coal gas mist cooling device, and the gas chamber includes the interior gas piping of barrel and cabinet, and coal gas mist cooling device includes the interior coal gas thermometer of multiunit spray gun, PLC variable frequency control cabinet and cabinet, and the coal gas thermometer sets up and is connected in gas chamber barrel lower part and with PLC variable frequency control cabinet is electric in the cabinet for the interior coal gas temperature of monitoring gas chamber cabinet is participated in opening of coal gas mist cooling device and is stopped control. The utility model discloses an increase the monitoring point of coal gas temperature in the gas chamber cabinet, when only the temperature exceeded the setting value in the gas chamber cabinet, coal gas mist cooling device just can start, like this, full play the latent mixing of gas chamber cooling function and heat -sinking capability, significant with the sealed oily life of extension gas chamber to the energy saving and consumption reduction of iron and steel enterprise.
Description
Technical field
The utility model belongs to gas chamber and pipeline engineering technical field, and in particular to one kind is applied to steel industry blast furnace
Blast furnace gas spray cooling system before gas chamber cabinet.
Background technology
Piped gas spray cooling system is general main by the detection control instrument such as spray gun, thermometer, collective's pumping plant and solely
The composition such as vertical PLC frequency-conversion control cabinets and each pipeline, PLC is according to flowing the inlet temperature of gas temperature meter and go out to flow coal gas temperature
Degree meter outlet temperature size of the difference, determine the unlatching quantity of spray gun, then according to coal gas cooling after actual outlet temperature with
The difference of sets target temperature, frequency converter adjustment motor speed, adjustment water pump water supply flow and corresponding spray gun open quantity, right
Outlet temperature enters Mobile state adjustment, makes outlet temperature stabilization in the desired value of setting, referring to the patent No.
CN201320681267.2《Blast furnace gas sprays control system》.This piped gas spray cooling system is in steel industry blast furnace
Widely applied on gas piping, general coal gas spray cooling system is by the complete supply of material of equipment manufacturer.
Gas chamber is a kind of Large Field equipment used in fields such as iron and steel, chemical industry and city gases, and fabrication and installation are smart
Degree and weld industry have high demands, and typically build unit by the gas chamber of specialty and undertake the construction of.The storage medium of gas chamber is generally
The coal gas of normal temperature and pressure, steel industry generally stores net blast furnace coal using the tens of thousands of large-scale gas chambers to tens of ten thousand steres of volume
Gas, is that the blast furnace gas for keeping full factory is balanced, and the general piston of operating blast furnace coal gas holder is run in the middle part of gas chamber, when complete
When factory's blast furnace gas has more than needed, surplus gas enter gas chamber, and when full factory's blast furnace gas is not enough, gas chamber outwards exports coal
Gas, plays a part of energy-conserving and environment-protective, meets the requirement of clean manufacturing.Blast furnace gas drying bag is widelyd popularize in steel industry to remove
Under the situation of dirt technique, BF Area clear height producer gas outlet temperature is slightly higher, and higher temperature when there is BF Area production exception
Coal gas enters the possibility of the blast furnace coal gas holder being connected with low-blast furnace gaspipe network, therefore many iron and steel enterprises in blast furnace coal gas holder
Before employ coal gas spray cooling system, hot blast furnace gas when full factory's blast furnace gas is more than needed is by coal gas spray cooling system
(general 55 DEG C or so) just enter gas chamber after reason is qualified, and its control principle is with general piped gas spray cooling system.
The steel structure cylinder and piston that large-scale gas chamber thin plate is put more energy into is a big radiator.With TECHNIQUE TO LARGE INTEGRATED STEEL WORKS
300,000 m for generally adopting3It is that the blast furnace gas for keeping full factory is balanced as a example by cylindrical shape gas chamber, operating blast furnace coal gas holder
General piston is run in the middle part of gas chamber.Now, good drum surface area of heat dispersion itself reaches about in gas chamber
9000m2, the general outer surface of piston product about 3300m of heat dispersion2, the also poor base plate of heat dispersion about 3300m2.Assume
The gas chamber blast furnace gas imports and exports a diameter of 3m of pipeline, converts by surface area, is singly the good gas chamber cylinder of heat dispersion
Surface area is equivalent to the pipeline about 1000m of a diameter of 3m；Coal gas is flowed due to only and is possible to higher temperature occur, therefore just
About 150,000 m in gas chamber under the normal condition of production3Storage normal temperature coal gas flows coal gas to a small amount of higher temperature and also has good mixing
Even cooling-down effect, it is seen then that the heat-sinking capability of gas chamber cabinet is not really little.
Although there is obvious shortcoming to flow coal gas flow less but spray if more than design temperature in prior art
Mist cooling system starts, and the spray gun of spray cooling system is started according to outlet temperature packet, does not give full play to coal
The mixing function of gas holder and heat-sinking capability, so not only cause the waste of water resource, water process expense to increase or power consumption, spray
The start and stop of mist cooling system frequently etc., can also cause gas cabinet sealing oil additive fast, the coal gas that is lost in loss with gas condensed water
Cabinet sealing deterioration of oil quickening etc..
Utility model content
In view of this, the purpose of this utility model is to provide coal gas spray cooling system before a kind of gas chamber cabinet, to solve
Certainly previously described shortcoming.
To reach above-mentioned purpose, the utility model is achieved through the following technical solutions：
Coal gas spray cooling system before a kind of gas chamber cabinet that the utility model is provided, including the outer gas pipe of gas chamber, cabinet
Road and coal gas spray cooling device, the gas chamber include cylinder and the cabinet that connects with the outer gas piping of cabinet in gas piping,
The coal gas spray cooling device includes the multigroup spray gun on the outer gas piping of cabinet and electrically connects with multigroup spray gun
PLC frequency-conversion control cabinets, the coal gas spray cooling device also includes being arranged on gas temperature meter in the cabinet of gas chamber cylinder bottom,
Gas temperature meter is electrically connected with the PLC frequency-conversion control cabinets in the cabinet, for monitoring in gas chamber cabinet gas temperature and participating in
The on off control of coal gas spray cooling device.
Further, the PLC frequency-conversion control cabinets are preset with one-level setting value, by with gas temperature in cabinet based on monitor coal
Gas temperature contrast in gas holder cabinet carrys out start and stop coal gas spray cooling device.
Compared with prior art, Advantageous Effects of the present utility model are：The utility model has given full play to gas chamber
Potential to mix cooling and heat-sinking capability, and prolongation gas cabinet sealing oil service life energy-saving to iron and steel enterprise has important
Meaning.
Other advantages of the present utility model, target and feature will be explained in the following description to a certain extent
State, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or
Person can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be said by following
Bright book is realizing and obtain.
Description of the drawings
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with accompanying drawing to this practicality
It is new to be described in further detail, wherein：
Fig. 1 flows coal gas spray cooling system schematic diagram for the utility model gas chamber；
Reference：1 is gas chamber, and 2 is the outer gas piping of cabinet, and 3 is valve, and 4 is coal gas spray cooling device；Wherein：
Part 11 be base plate, part 12 be piston holder, part 13 be piston, part 14 be cylinder, part 15 be top cover, coal gas is imported and exported in the cabinet of part 16
Pipe；Part 41 be flow gas temperature meter, part 42 for spray gun, part 43 be to flow gas temperature meter, part 44 for PLC frequency-conversion control cabinets,
Part 45 is gas temperature meter in cabinet.
Specific embodiment
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail；It should be appreciated that it is preferred that real
Example is applied only for illustrating the utility model, rather than in order to limit protection domain of the present utility model.
As shown in figure 1, gas chamber 1 is mainly pushed up by the base plate of part 11, the piston holder of part 12, the piston of part 13, the cylinder of part 14, part 15
The composition such as gas piping in lid and the cabinet of part 16；Coal gas spray cooling device mainly flowed by part 41 gas temperature meter, the spray gun of part 42,
Part 43 goes out to flow the composition such as gas temperature meter and part 44PLC frequency-conversion control cabinets；The utility model system is mainly by the gas chamber 1, cabinet
Outer gas piping 2 and coal gas spray cooling device 4 are constituted, and the outer gas piping 2 of cabinet is provided with valve 3, gas chamber 1 by cylinder 14,
The cavity that piston 12 and base plate 11 are formed is connected with the outer gas piping 2 of cabinet by gas piping 16 in cabinet, gas piping in the cabinet
16 is that coal gas imports and exports pipeline, can enter to have more for one-in-and-one-out, one or with entering with form is gone out, and the coal gas spray cooling device 4 is also
Including being arranged on gas temperature meter 45 in the cabinet of the bottom of 1 cylinder of gas chamber 14, gas temperature meter 45 and PLC VFC in the cabinet
Cabinet 44 is electrically connected, for monitoring gas temperature in the cabinet of gas chamber 1 and participating in the on off control of coal gas spray cooling device 4, meanwhile,
The PLC frequency-conversion control cabinets 44 are preset with one-level setting value, by with gas temperature in cabinet based on 45 monitoring the cabinets of gas chamber 1 in coal
Distinguishing start and stop coal gas spray cooling device 4, the one-level setting value is less than or equal to coal gas temperature in gas chamber cabinet for gas temperature comparisons
The maximum temperature values that degree is allowed.
The utility model on the basis of existing blast furnace gas spray cooling system, spray before blast furnace coal gas holder cabinet by coal gas
Increase the monitoring point of gas temperature meter 45 in a gas chamber cabinet in cooling system, and cabinet is set in PLC frequency-conversion control cabinets 44
When the monitor value of interior gas temperature meter 45 exceedes setting value, coal gas spray cooling device 4 just can start.Specifically, only coal
When the monitor value of gas temperature meter 45 reaches one-level setting value in the cabinet of gas holder 1, coal gas spray cooling device 4 just can start；Its prison
During measured value temperature low-pressure first-stage setting value, coal gas spray cooling device 4 will be automatically stopped；The opening and closing of its spray gun group number is：When
Come when flowing gas temperature and exceeding the setting value to flow gas temperature meter 41, first group of spray gun 42 starts, then according to detecting
After going out to flow the temperature of exit gas of gas temperature meter 43, PLC frequency-conversion control cabinets 44 automatically decide whether to continue on next group of spray
Rifle；When the temperature of exit gas for going out to flow gas temperature meter 43 for detecting is reduced to the setting value of its regulation, one group one successively
The stopping spray gun 42 of group.
Gas temperature meter 45 in cabinet is included into the spraying of blast furnace coal gas holder preceding pipeline by adopting such scheme, the utility model
Cooling system simultaneously participates in control, effectively make use of the cooling-down effect of gas chamber itself, reduces injection flow rate and extends coal gas
Cabinet Seal Oil service life.The mixing function and radiating effect of gas chamber have also effectively been played simultaneously, and spray drop has been greatly reduced
Warm system starts the frequency, it is to avoid the system saves a large amount of sprays with Gas Production and the problem of the uneven frequent starting for consuming
Mist water, reduces into the water of gas chamber and means that the displacement of gas chamber significantly reduces, gas cabinet sealing oil additive with
Current lose loss and are greatly reduced, and gas cabinet sealing life of oil is expected to reach the life-span in the case of wet method dedusting of blast furnace gas.In the past
State 300,000 m3As a example by cylindrical shape blast furnace coal gas holder, using the utility model, it is assumed that calculate the m of maximum stream flow 400,000 to flow coal gas3/ h,
It is 200 DEG C (blast furnace system failure) that highest calculates temperature, and spray cooling device outlet temperature is 55 DEG C, estimated using this practicality
Can economize on water about 95% after new, estimate about 50,000 t/a, its Seal Oil life about 1 year converts into and saves Seal Oil expense about 10
Ten thousand yuan/year.
In another embodiment, if in the case that gas piping 16 does not reach the center of 1 cylinder of gas chamber 14 in the cabinet, Ying He
Removing the work puts position of the gas temperature meter 45 on cylinder 14 in cabinet, so that its monitor value temperature can represent gas temperature in cabinet.
In another embodiment, the utility model system is equally applicable to be additionally provided with the coal gas of single gas exit pipeline
In cabinet spray cooling system.
In another embodiment, the monitoring point of gas temperature meter 45 can also control multigroup spray in the cabinet of the utility model arrangement
The group number of rifle 42, also can reach the purpose for economizing on resources；I.e. the PLC frequency-conversion control cabinets 44 are also preset with two grades of setting values, are used for
Whole spray guns 42 are opened with gas temperature contrast in the cabinet of gas chamber 1 of the monitoring of gas temperature meter 45 in cabinet, two grades of setting values
Higher than one-level setting value, and the maximum temperature values allowed less than or equal to gas temperature in gas chamber cabinet.Preferably, coal gas in the cabinet
When the monitor value of thermometer 45 is in upward status between one-level setting value and two grades of setting values, the group of multigroup spray gun 42 is can control
Number if it is in decline state, can control the group of multigroup spray gun 42 by along flowing the unlatching successively a group by a group of coal gas direction
Number is by against flowing the closing successively a group by a group of coal gas direction.Additionally, the setting of the one-level setting value and two grades of setting values
Numerical value can determine according to (the i.e. coal gas import and export pipeline) quantity of gas piping 16 in the capacity of the gas chamber 1 and cabinet.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model has been described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent, and without deviating from the objective and scope of the technical program, it all should
Cover in the middle of right of the present utility model.
Claims (2)
1. gas piping and coal gas mist cooling are filled outside coal gas spray cooling system before a kind of gas chamber cabinet, including gas chamber, cabinet
Put, the gas chamber include cylinder and the cabinet that connect with cabinet outer gas piping in gas piping, the coal gas mist cooling fills
The multigroup spray gun included on the outer gas piping of cabinet and the PLC frequency-conversion control cabinets electrically connected with multigroup spray gun are put, it is special
Levy and be：The coal gas spray cooling device also includes being arranged on gas temperature meter in the cabinet of gas chamber cylinder bottom, the cabinet
Interior gas temperature meter is electrically connected with the PLC frequency-conversion control cabinets, for monitoring in gas chamber cabinet gas temperature and participating in coal gas spray
The on off control of mist heat sink.
2. coal gas spray cooling system before a kind of gas chamber cabinet according to claim 1, it is characterised in that：The PLC becomes
Frequency switch board is preset with one-level setting value, by with gas temperature in cabinet based in the gas chamber cabinet monitored gas temperature contrast opening
Stop coal gas spray cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621259278.1U CN206143228U (en) | 2016-11-23 | 2016-11-23 | Coal gas spraying cooling system before gas chamber cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621259278.1U CN206143228U (en) | 2016-11-23 | 2016-11-23 | Coal gas spraying cooling system before gas chamber cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206143228U true CN206143228U (en) | 2017-05-03 |
Family
ID=58626132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621259278.1U Withdrawn - After Issue CN206143228U (en) | 2016-11-23 | 2016-11-23 | Coal gas spraying cooling system before gas chamber cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206143228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399610A (en) * | 2016-11-23 | 2017-02-15 | 中冶赛迪工程技术股份有限公司 | Gas spray cooling system arranged in front of gas holder |
-
2016
- 2016-11-23 CN CN201621259278.1U patent/CN206143228U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106399610A (en) * | 2016-11-23 | 2017-02-15 | 中冶赛迪工程技术股份有限公司 | Gas spray cooling system arranged in front of gas holder |
| CN106399610B (en) * | 2016-11-23 | 2018-05-04 | 中冶赛迪工程技术股份有限公司 | Coal gas spray cooling system before a kind of gas chamber cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170503 Effective date of abandoning: 20180504 |