CN109185700A - A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method and device - Google Patents
A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method and device Download PDFInfo
- Publication number
- CN109185700A CN109185700A CN201811225453.9A CN201811225453A CN109185700A CN 109185700 A CN109185700 A CN 109185700A CN 201811225453 A CN201811225453 A CN 201811225453A CN 109185700 A CN109185700 A CN 109185700A
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- Prior art keywords
- tank
- gas
- storage tank
- pipeline
- material groove
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/014—Nitrogen
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating methods and device, by gas compressor by material storage tank tail gas and nitrogen compression storage to high pressure gas storage tank carry out it is spare, without carrying out processing discharge, material groove tank is provided with pressure sensor, it by the air pressure in real-time detection material storage tank, is operated, when air pressure is too low, material groove tank ftercompction is given by high pressure gas storage tank and with the tank connected pipeline of material trough, prevents material groove tank decompression；When material trough pressure inside the tank is excessive, start gas compressor, open material storage tank and gas compressor pipeline, by in material storage tank tail gas and nitrogen be compressed to high pressure gas storage tank carry out material groove tank pressure release, the tail gas and nitrogen centralized collection that generate in material groove tank are used, pass through closed circulation loop compression storage or anti-supply material groove tank, pressure maintaining gas and gas phase in material storage tank are same, other medium will not be introduced, it is reasonable that entire process system and device are constituted, coke-oven plant's resource is maximally utilized in the case where not increasing or reducing and add energy consumption, it is energy-saving.
Description
Technical field
The present invention relates to coke-oven plant's tail gas disposal technique, specially a kind of coke-oven plant's groove tank pressure maintaining and exhaust gas treating method and
Device.
Background technique
It is well known that the exhaust emissions of material existing processing technique up to standard that use of administering needs to consume in coke-oven plant's groove tank
A large amount of energy consumption generates a large amount of dangerous waste and results in waste of resources, and increases a large amount of cost burden to production.
It when material in the groove tank of coke-oven plant shifts, needs to be filled with nitrogen in groove tank and carries out pressure maintaining, input object to groove tank
When material, need nitrogen and tail gas discharge groove tank, the tail gas that groove tank is discharged needs environmental requirement to handle, and nitrogen first can be directly unrestrained
Expense is fallen, if while tail gas be directly discharged into atmosphere and will cause pollution, the groove tank material of coke-oven plant can generate the tail based on steam
Gas, existing process tail gas processing equipment generally comprise condensing recovery, pickling, alkali cleaning, activated carbon adsorption, RCO, RTO etc., and one
That process flow and equipment are more complicated, a large amount of dangerous wastes of some also generations etc., treatment cost is high, secondly, its treated generates
Dangerous waste have a risk for causing secondary pollution, RCO, RTO also have security risk in anti-explosion area.
Summary of the invention
Present invention aim to provide a kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method and device, by object
Material tail gas and nitrogen carry out concentration storage, and sealing and circulating uses, and entire process system and device are constituted rationally, are not increasing or few
Coke-oven plant's resource is maximally utilized in the case where increasing energy consumption, it is energy-saving.
For achieving the above object, the technical solution used in the present invention are as follows:
A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method, by gas compressor by material storage tank tail gas and
Nitrogen compression storage is spare to high pressure gas storage tank progress, and without being discharged, material groove tank is provided with pressure sensor, passes through
Air pressure in real-time detection material storage tank, is operated, and when groove tank air pressure is too low, passes through high pressure gas storage tank and and material trough
Tank connected pipeline gives material groove tank ftercompction, prevents material groove tank decompression；When material trough pressure inside the tank is excessive, start gas pressure
Contracting machine opens material storage tank and gas compressor pipeline, the tail gas being discharged in material storage tank and nitrogen is compressed to high pressure gas
The pressure release that storage tank carries out material groove tank keeps material storage tank safe pressure, and the tail gas and nitrogen that generate in material groove tank are concentrated
It collects and uses, storage or anti-supply material groove tank, gas in pressure maintaining gas and material storage tank are compressed by closed circulation loop
It is identical, other medium will not be introduced.
Further, connatural multiple material groove tanks are connected to, are connected in parallel on circulation loop, when a certain material storage tank
When pressure maintaining method is obstructed, pressure maintaining can be carried out by the pressurizer of unclassified stores groove tank, strengthen safety measure.
When material shifts in groove tank, it can be filled with nitrogen in groove tank, after the charging of material groove tank, nitrogen can be discharged, because of object
Material release tail gas, therefore the discharge of nitrogen and tail gas needs to handle.
A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas processing device, it includes material groove tank, gas compressor, high pressure gas
Body storage tank, material groove tank upper end are connect by pipeline I with gas compressor, and material storage tank is provided with pressure sensor and surveys inner cavity gas
Pressure, gas compressor connect with high pressure gas storage tank, by material storage tank tail gas and nitrogen storage to high pressure gas storage tank, height
Pressure gas reservoir is connect by pipeline II with material storage tank, and pipeline II is provided with electrically-controlled valve I, and material storage tank is by letting out nitrogen valve and pipe
Road I connects.
Further, further include having breather valve, breather valve be arranged at the top of material storage tank, air inlet by pipeline III with
High pressure gas storage tank connection, the gas outlet of fire-retardant breather valve connect with pipeline I, is provided with electrically-controlled valve II on pipeline III, pipeline I or
Person's material groove tank is additionally provided with safety valve.
The material groove tank is arranged in parallel between pipeline I and pipeline II to be multiple, and multiple material storage tanks pass through pipeline
IV connection, pipeline IV are provided with electrically-controlled valve III.
Antiexplosion and fire-stopping unit is provided on the pipeline I to pipeline IV.
The material groove tank for nitrogen valve with pipeline II by connecting, and breather valve selects fire-retardant breather valve, and described lets out nitrogen
Valve, for nitrogen valve be self-operated type on-off valve, when the pressure of material storage tank be higher or lower than certain setting value when, valve opens or closes.
It further include that controller is connect with pressure sensor, gas compressor, electrically-controlled valve I, II, III, according to material groove tank pressure
Power state controls pressure maintaining, pressure discharge operations.
The high pressure gas storage tank is connect by pipeline V with source nitrogen, and pipeline V is provided with electrically-controlled valve IV and controller
Connection.
The course of work of the invention is, the gas for storing nitrogen by high pressure storage tank and coming from material storage tank collection, logical
Over-voltage force snesor real-time detection material storage tank pressure change lets out the automatic opening of nitrogen valve, gas pressure when pressure exceeds setting I
The work of contracting machine, by gas collection to high pressure gas storage tank, when letting out nitrogen defective valve, when pressure crosses setting II, breathing valve air gate is beaten
It opens, gas is drawn pressure release by gas compressor, and when pressure crosses setting III, the safety valve of pipeline I or material storage tank is opened, together
When, it is connected to by pipeline V between the material storage tank of same nature, further increases safety；It is interior when material storage tank discharging
Portion's epicoele decompression, when lower than setting IV, the electrically-controlled valve I of high pressure gas storage tank is opened, and pipeline II is connected, for nitrogen valve automatically open to
Material storage tank pressure maintaining, when pressure is lower than two grades, the gas of high pressure storage tank is introduced tank body and carried out by the air inlet open of breather valve
Two layers of o-volt protection, pressure set IV < and set I <, II < of setting setting III.
The invention has the benefit that entire technique and device are constituted rationally, groove tank pressure maintaining was not only achieved the purpose that but also right
The tail gas and nitrogen of groove tank all recycle in the pipeline of circulation closed and container, and no longer outlet causes atmosphere pollution, are not increasing
Or reduce plus energy consumption in the case where maximally utilize coke-oven plant's resource, reduce the usage amount of nitrogen, effectively administered material trough
The tail gas of tank discharge, has reached environment protection treating effect and energy-saving.
Detailed description of the invention
Fig. 1 is structure composition schematic diagram of the embodiment of the present invention.
Nitrogen valve is let out 1. material storage tank, 2. gas compressors, 3. high pressure gas storage tanks, 4. breather valves, 5. for nitrogen valve, 6., 7.
Pipeline I, 8. pipelines II, 9. pipelines III, 10. pipelines IV, 11. electrically-controlled valves I, 12. electrically-controlled valves II, 13. electrically-controlled valves III, 14. nitrogen
Source, 15. electrically-controlled valves.
Specific embodiment
A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas processing device as shown in drawings, it includes material groove tank 1, gas
Compressor 2, high pressure gas storage tank 3,1 upper end of material groove tank are connect by pipeline I 7 with gas compressor 2, and material storage tank is provided with
Pressure sensor surveys inner cavity air pressure, and gas compressor 2 is connect with high pressure gas storage tank 3, by the tail gas and nitrogen in material storage tank 1
Storage to high pressure gas storage tank 3, high pressure gas storage tank 3 is connect by pipeline II 8 with material storage tank 1, and pipeline II 8 is provided with automatically controlled
Valve I 11, material storage tank 1 are connect by letting out nitrogen valve 6 with pipeline I 7.
It further, further include having breather valve 4, the setting of breather valve 4 passes through pipeline in 1 top of material storage tank, air inlet
III 9 connect with the electrically-controlled valve II 12 on 3 top of high pressure gas storage tank, and the gas outlet of fire-retardant breather valve is connect with pipeline I, on pipeline III
It is provided with electrically-controlled valve II 12, pipeline I 7 or material groove tank 1 are additionally provided with safety valve.
The material groove tank 1 is arranged in parallel between pipeline I 7 and pipeline II 8 to be multiple, and multiple material storage tanks 1 pass through
Pipeline IV 10 is connected to, and pipeline IV 10 is provided with electrically-controlled valve III 13.
Antiexplosion and fire-stopping unit is provided on the pipeline I 7 to pipeline IV 10.
Breather valve 4 selects fire-retardant breather valve, and the nitrogen valve 6 of letting out is automatic pressure valve.
The material groove tank 1 for nitrogen valve 5 with pipeline II 8 by connecting.
It further include controller and pressure sensor, gas compressor 2, electrically-controlled valve I 11, electrically-controlled valve II 12, electrically-controlled valve III 13
Connection controls pressure maintaining, pressure discharge operations according to 1 pressure state of material groove tank.
The high pressure gas storage tank 3 is connect by pipeline V with source nitrogen 14, pipeline V be provided with electrically-controlled valve IV 15 and
Controller connection.
A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method, by gas compressor by the tail gas in material storage tank
And nitrogen compression storage is spare to high pressure gas storage tank progress, without carrying out processing discharge, material groove tank is provided with pressure biography
Sensor is operated by the air pressure in real-time detection material storage tank, when air pressure is too low, by high pressure gas storage tank and with
The tank connected pipeline of material trough gives material groove tank ftercompction, prevents material groove tank decompression；When material trough pressure inside the tank is excessive, starting
Gas compressor opens material storage tank and gas compressor pipeline, by material storage tank tail gas and nitrogen be compressed to high pressure gas
Body storage tank carries out the pressure release of material groove tank, the tail gas and nitrogen centralized collection that generate in material groove tank is used, by closed
Circulation loop compression storage or anti-supply material groove tank, pressure maintaining gas and gas phase in material storage tank are same, will not introduce other
Medium.
Further, connatural multiple material groove tanks are connected to, are connected in parallel on circulation loop, when a certain material storage tank
When pressure maintaining method is obstructed, pressure maintaining can be carried out by the pressurizer of unclassified stores groove tank, strengthen safety measure.
When material shifts in groove tank, it can be filled with nitrogen in groove tank, after the charging of material groove tank, nitrogen can be discharged, because of object
Material release tail gas, therefore the discharge of nitrogen and tail gas needs to handle.
The above is only a preferred embodiment of the present invention, it is noted that for the those of ordinary skill of technical field
For, without departing from the principle of the present invention, several improvement can also be made, these improvement are not making the creative labor
Under the premise of also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method, characterized in that by gas compressor by material storage tank
Interior tail gas and nitrogen compression storage are spare to high pressure gas storage tank progress, without carrying out processing discharge, the setting of material groove tank
There is pressure sensor, by the air pressure in real-time detection material storage tank, operated, when air pressure is too low, passes through high pressure gas
Storage tank and material groove tank ftercompction is given with the tank connected pipeline of material trough, prevents material groove tank decompression；When material trough pressure inside the tank mistake
When big, start gas compressor, open material storage tank and gas compressor pipeline, by material storage tank tail gas and nitrogen compress
The pressure release that material groove tank is carried out to high pressure gas storage tank uses the tail gas and nitrogen centralized collection that generate in material groove tank,
By closed circulation loop compression storage or anti-supply material groove tank, pressure maintaining gas and gas phase in material storage tank are same, will not
Introduce other medium.
2. coke-oven plant's material groove tank pressure maintaining according to claim 1 and exhaust gas treating method, characterized in that will be connatural
Multiple material groove tank connections, are connected in parallel on circulation loop, when the pressure maintaining method of a certain material storage tank is obstructed, can pass through other
The pressurizer of material groove tank carries out pressure maintaining.
3. a kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas processing device, characterized in that it includes material groove tank, gas compression
Machine, high pressure gas storage tank, material groove tank upper end are connect by pipeline I with gas compressor, and material storage tank is provided with pressure sensing
Device surveys inner cavity air pressure, and gas compressor connect with high pressure gas storage tank, by material storage tank tail gas and nitrogen storage to high pressure
Gas reservoir, high pressure gas storage tank are connect by pipeline II with material storage tank, and pipeline II is provided with electrically-controlled valve I, and material storage tank is logical
It crosses and lets out nitrogen valve and connect with pipeline I.
4. coke-oven plant's material groove tank pressure maintaining according to claim 1 and exhaust gas processing device, characterized in that further include exhaling
Valve is inhaled, breather valve is arranged at the top of material storage tank, and air inlet is connect by pipeline III with high pressure gas storage tank, fire-retardant breather valve
Gas outlet connect with pipeline I, electrically-controlled valve II is provided on pipeline III, pipeline I or material groove tank are additionally provided with safety valve.
5. coke-oven plant's material groove tank pressure maintaining according to claim 3 or 4 and exhaust gas processing device, characterized in that described
Material groove tank is arranged in parallel between pipeline I and pipeline II to be multiple, and multiple material storage tanks are connected to by pipeline IV, and pipeline IV is set
It is equipped with electrically-controlled valve III.
6. coke-oven plant's material groove tank pressure maintaining according to claim 5 and exhaust gas processing device, characterized in that the pipeline
I to being provided with Antiexplosion and fire-stopping unit on pipeline IV.
7. coke-oven plant's material groove tank pressure maintaining according to claim 5 and exhaust gas processing device, characterized in that further include control
Device is connect with pressure sensor, gas compressor, electrically-controlled valve I, electrically-controlled valve II, electrically-controlled valve III.
8. coke-oven plant's material groove tank pressure maintaining according to claim 5 and exhaust gas processing device, characterized in that the high pressure
Gas reservoir is connect by pipeline V with source nitrogen, and pipeline V is provided with electrically-controlled valve IV and connect with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225453.9A CN109185700A (en) | 2018-10-20 | 2018-10-20 | A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811225453.9A CN109185700A (en) | 2018-10-20 | 2018-10-20 | A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109185700A true CN109185700A (en) | 2019-01-11 |
Family
ID=64946387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811225453.9A Pending CN109185700A (en) | 2018-10-20 | 2018-10-20 | A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas treating method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185700A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067937A (en) * | 2019-05-21 | 2019-07-30 | 挪亚圣诺（太仓）生物科技有限公司 | A kind of nitrogen-sealed system and sealing technology |
| CN111522370A (en) * | 2020-04-30 | 2020-08-11 | 攀钢集团西昌钢钒有限公司 | Tank constant pressure control system |
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| CN201152266Y (en) * | 2007-05-14 | 2008-11-19 | 中国石油大庆石油化工分公司 | Double stage pressure charging turbine, compressor unit for petroleum and chemical industry tail gas reclamation |
| CN104370000A (en) * | 2014-11-04 | 2015-02-25 | 中国石油化工股份有限公司 | Safe and environment-friendly method for protecting storage tanks |
| CN105668064A (en) * | 2014-11-18 | 2016-06-15 | 中国石油化工股份有限公司 | Sealed recovery and operation pressure stabilizing control method for tank top tail gas of refinery enterprise atmospheric storage tank |
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| CN207722586U (en) * | 2017-11-10 | 2018-08-14 | 南京天膜科技股份有限公司 | A kind of device realized VOCs zero-emissions and recycle nitrogen |
| CN209012771U (en) * | 2018-10-20 | 2019-06-21 | 山东环达环保科技有限公司 | A kind of coke-oven plant's material groove tank pressure maintaining and exhaust gas processing device |
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2018
- 2018-10-20 CN CN201811225453.9A patent/CN109185700A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201152266Y (en) * | 2007-05-14 | 2008-11-19 | 中国石油大庆石油化工分公司 | Double stage pressure charging turbine, compressor unit for petroleum and chemical industry tail gas reclamation |
| CN104370000A (en) * | 2014-11-04 | 2015-02-25 | 中国石油化工股份有限公司 | Safe and environment-friendly method for protecting storage tanks |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110067937A (en) * | 2019-05-21 | 2019-07-30 | 挪亚圣诺（太仓）生物科技有限公司 | A kind of nitrogen-sealed system and sealing technology |
| CN111522370A (en) * | 2020-04-30 | 2020-08-11 | 攀钢集团西昌钢钒有限公司 | Tank constant pressure control system |
| CN111522370B (en) * | 2020-04-30 | 2022-07-19 | 攀钢集团西昌钢钒有限公司 | Constant-pressure control system for tank |
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