CN209507605U - The low temperature position waste-heat recovery device of process is absorbed in a kind of acid-making process - Google Patents
The low temperature position waste-heat recovery device of process is absorbed in a kind of acid-making process Download PDFInfo
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- CN209507605U CN209507605U CN201822214195.6U CN201822214195U CN209507605U CN 209507605 U CN209507605 U CN 209507605U CN 201822214195 U CN201822214195 U CN 201822214195U CN 209507605 U CN209507605 U CN 209507605U
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model relates to the low temperature position waste-heat recovery device of process is absorbed in a kind of acid-making process, including acid-making process absorptive unit, coke-stove gas Spray Saturator method deamination unit, mother liquor heat cycles pump, mother liquor heater, big Recycling Mother Solution pump, coking low-quality sulfur and desulfurization waste liquor are burned the absorption process in acid-making process to combine with coke-stove gas Spray Saturator method deamination technique, it recycles coking low-quality sulfur and desulfurization waste liquor burns the low temperature position waste heat for absorbing process in acid-making process, for heating the circulation ammonium sulfate liquor of Spray Saturator.The low temperature position utilization rate of waste heat that the utility model absorbs acid is high, realizes development and utilization of the low temperature position residual heat resources as secondary energy sources, improves energy utilization rate, reduces pollution of the heat extraction to environment；It absorbs acid cooler and no longer needs recirculated cooling water, energy-saving effect is good, reduces operating cost.Relieving haperacidity and the process flow of sulphur ammonium are not changed, it is only necessary to increase mother liquor heat cycles pump, cost of investment is low.
Description
Technical field
The utility model relates to heat recovery technical field in low temperature position in Chemical Manufacture more particularly to a kind of towerman
The low temperature position waste-heat recovery device of process is absorbed in skill.
Background technique
The low temperature position waste heat that process is absorbed in acid-making process mainly includes SO3Absorb heat, sulfuric acid generates heat and the heat of dilution.
These low temperature position waste heats, are accounted for the 25%~30% of the total excess heat of relieving haperacidity, are taken away using recirculated cooling water, not only waste energy
Source, and consume a large amount of cooling waters and corresponding power.With becoming increasingly conspicuous for international energy problem, how energy is efficiently used
Source, recycling various waste heats and reducing heat extraction becomes focus concerned by people to the pollution of environment.
To recycle this low temperature position waste heat, domestic and international researcher continuously attempts to various approach.Currently, in sulphur system
Drying-absorption process popularity application HRS technology recycles low temperature position waste heat in acid.But for pyrite-based sulfuric acid production and the low product of coking
Matter sulphur and desulfurization waste liquor burn relieving haperacidity, and HRS technological investment is at high cost, and operation control range is too narrow, and waste heat recovery volume is low, without
Ji, it is difficult to use the technology.In pyrite-based sulfuric acid production, number of patent application is " a kind of troilite disclosed in 201510138982.5
Relieving haperacidity dry absorption section Waste Heat Recovery equipment and its recovery method " uses the anodic protection acid cooler of two-stage series connection, recycling the
One absorbs the low temperature position waste heat of acid 60%.But the low temperature position waste heat for absorbing acid residue 40% for first is not recycled benefit
With, it is still desirable to recirculated cooling water is taken away, and the rate of recovery of waste heat is low.Meanwhile the patent also requires the absorption into level-one acid cooler
Sour temperature is 110~120 DEG C, will aggravate the corrosion of pipeline, acid pump and acid cooler, limits the type selecting of acid cooler.Patent Shen
It please number be " method for recovering low-temperature level heat energy in acid making in sulfuric acid production " disclosed in 200910102997.0 using being sent out by screw expansion
The heat-energy recovering apparatus of motor group, circulating pump and desalination water heater composition recycles the low temperature position waste heat realization for absorbing acid
Power generation directly drags other equipment, is suitable for acid production with sulphur or pyrite-based sulfuric acid production.But that there are process flows is long for this method,
Cost of investment is high, the shortcomings that taking up a large area.
The deamination technique overwhelming majority of domestic coke-oven plant's coke-stove gas takes the work of ammonium sulfate using Spray Saturator legal system
Skill.It in this process flow, needs to consume the low-pressure saturated steam of a large amount of 0.4~0.6MPaG, recycles sulphur ammonium to heating part
The temperature for recycling ammonium sulfate liquor is promoted to 60 DEG C by 50 DEG C, to maintain the water balance in saturator by mother liquor.
Utility model content
The utility model provides the low temperature position waste-heat recovery device that process is absorbed in a kind of acid-making process, using circulation sulphur
Ammonium disposing mother liquor using absorb acid whole low temperature positions waste heat, realize low temperature position residual heat resources as secondary energy sources exploitation with
It utilizes, improves energy utilization rate, reduce pollution of the heat extraction to environment；It absorbs acid cooler and no longer needs recirculated cooling water,
The steam consumption of mother liquor heater can reduce by 50%~100% simultaneously, and energy-saving effect is good, reduces operating cost.
In order to achieve the above object, the utility model is implemented with the following technical solutions:
The low temperature position waste-heat recovery device of process, including acid-making process absorptive unit, coke oven are absorbed in a kind of acid-making process
Coal gas Spray Saturator method deamination unit, mother liquor heat cycles pump, mother liquor heater, big Recycling Mother Solution pump, coke-oven coal gas blowout
The big mother liquor outlet of the Spray Saturator of leaching formula saturator method deamination unit connects mother liquor heat cycles pump and big mother liquor simultaneously
The entrance of circulating pump, the outlet connection acid-making process absorptive unit of mother liquor heat cycles pump absorb an entrance of acid cooler,
An entrance of the one outlet connection mother liquor heater of acid cooler is absorbed, the one outlet of mother liquor heater is incorporated to big mother liquor
The outlet conduit of circulating pump connects the big mother liquor spray piping entrance of Spray Saturator together, and another of mother liquor heater enters
Mouth connection saturated vapor pipeline, another outlet connection steam condensate (SC) pipeline of mother liquor heater.
The acid-making process absorptive unit includes absorption tower, absorbs acid buffering slot, absorb acid cooler, absorb under acid solution
Pump, absorb the bottom of the tower acid solution outlet connection absorb acid buffering slot entrance, absorb acid buffering slot outlet connection and absorb sour submerged pump
Entrance, absorbs another entrance that pump discharge connection under acid solution absorbs acid cooler, another outlet for absorbing acid cooler connects
Connect the absorption acid entrance on absorption tower.
Compared with prior art, the utility model has the beneficial effects that
1) the low temperature position utilization rate of waste heat for absorbing acid is high, realize low temperature position residual heat resources as secondary energy sources exploitation with
It utilizes, improves energy utilization rate, reduce pollution of the heat extraction to environment；
2) it absorbing acid cooler and no longer needs recirculated cooling water, the steam consumption of mother liquor heater reduces by 50%~100%,
Energy-saving effect is good, reduces operating cost.
3) relieving haperacidity and the process flow of sulphur ammonium are not changed, it is only necessary to increase mother liquor heat cycles pump, cost of investment is low, is suitable for
New plant is modernized and expanded the existing factory.
Detailed description of the invention
Fig. 1 is the process flow chart of the utility model.
In figure: 1. absorption towers, 2. absorption acid buffering slots, 3. absorb sour submerged pump, 4. absorption acid coolers, 5. mother liquors and add
Hot device, 6. mother liquor heat cycles pump, 7. big Recycling Mother Solution pumps, 8. Spray Saturators, 9. crystallization pumps, 10. small Recycling Mother Solutions pumps,
11. flowing full slot, 12. head tanks.
Specific embodiment
The content of the utility model is described in further detail With reference to embodiment, but this should not be managed
Solution is that the scope of the utility model is only limitted to example below.In the case where not departing from the above-mentioned technical idea of the utility model,
The various replacements or change made according to ordinary skill knowledge and common technology means, should all be included in the utility model
In the range of.
As shown in Figure 1, absorbing the low temperature position exhaust heat recovering method of process in a kind of acid-making process, this method is that coking is low
Quality sulphur and desulfurization waste liquor burn absorption process and coke-stove gas Spray Saturator method deamination technique phase in acid-making process
In conjunction with recycling coking low-quality sulfur and desulfurization waste liquor burn the low temperature position waste heat for absorbing process in acid-making process, for heating
The circulation ammonium sulfate liquor of Spray Saturator；The specific method is as follows:
1) in acid-making process absorptive unit, the absorption acid absorbed in acid buffering slot 2 is absorbed sour submerged pump 3, is sent to absorption
The circulation ammonium sulfate liquor that acid cooler 4 and mother liquor heat cycles pump 6 are sent exchanges heat: circulation ammonium sulfate liquor is heated, and is absorbed
Acid is cooled；It is absorbing in acid cooler 4, circulation ammonium sulfate liquor recycles the whole low temperature positions waste heat for absorbing acid, no longer needs
It wants recirculated cooling water is cooling to absorb acid, the steam consumption of subsequent mother liquor heater 5 is effectively reduced.
2) go out to absorb the circulation ammonium sulfate liquor of acid cooler 4, continue to send to mother liquor heater 5 and low-pressure saturated steam into
Row heat exchange: make temperature required for recycling ammonium sulfate liquor maintenance 8 water balance of Spray Saturator.In mother liquor heater 5, when following
When ring ammonium sulfate liquor temperature is inadequate, latent heat is released in water vapour condensation, and heat cycles ammonium sulfate liquor is provided as maintaining 8 water of saturator
After-heat needed for balance.
The circulation ammonium sulfate liquor of mother liquor heater 5 out, the circulation after being incorporated to big Recycling Mother Solution pump 6 are sprayed in mother liquor pipeline,
The sprinkling of Spray Saturator 8 is sent back to use.
Above-mentioned steps 1) the sour temperature control of the middle absorption absorbed in acid buffering slot 2 is at 85~100 DEG C, circulation ammonium sulfate liquor
Temperature is heated to 55~60 DEG C by 45~50 DEG C；It absorbs sour temperature and is cooled to 70~80 DEG C by 85~100 DEG C.
Above-mentioned steps 2) in, when recycling ammonium sulfate liquor temperature lower than 60 DEG C, in mother liquor heater 5, water vapour condensation
Latent heat is released, heat cycles ammonium sulfate liquor is provided as after-heat needed for maintaining Spray Saturator water balance, recycles sulphur ammonium
Mother liquor is heated to 60~65 DEG C；When recycling ammonium sulfate liquor temperature greater than or equal to 60 DEG C, circulation ammonium sulfate liquor adds in mother liquor
It does not exchange heat in hot device 5, or is cooled to 60~65 DEG C.
Above-mentioned steps 2) in, the output pressure of low-pressure saturated steam is 0.4~0.6MPaG.
The low temperature position waste-heat recovery device of process, including acid-making process absorptive unit, coke oven are absorbed in a kind of acid-making process
Coal gas Spray Saturator method deamination unit, mother liquor heat cycles pump 6, mother liquor heater 5, big Recycling Mother Solution pump 7, coke-stove gas
The big mother liquor outlet of the Spray Saturator 8 of Spray Saturator method deamination unit connects mother liquor heat cycles pump 6 and big simultaneously
The outlet connection acid-making process absorptive unit of the entrance of Recycling Mother Solution pump 7, mother liquor heat cycles pump 6 absorbs the one of acid cooler 4
A entrance absorbs an entrance of the one outlet connection mother liquor heater 5 of acid cooler 4, the one outlet of mother liquor heater 5
The outlet conduit for being incorporated to big Recycling Mother Solution pump 7 connects the big mother liquor spray piping entrance of Spray Saturator 8, mother liquor heating together
Another entrance of device 5 connects saturated vapor pipeline, another outlet connection steam condensate (SC) pipeline of mother liquor heater 5.
The acid-making process absorptive unit includes absorption tower 1, absorbs acid buffering slot 2, absorb acid cooler 4, absorb acid solution
Lower pump 3,1 bottom acid solution of absorption tower outlet connection absorb 2 entrance of acid buffering slot, absorb the outlet of acid buffering slot 2 connection and absorb acid solution
The entrance of lower pump 3 absorbs another entrance that the sour outlet of submerged pump 3 connection absorbs acid cooler 4, absorbs the another of acid cooler 4
The absorption acid entrance on one outlet connection absorption tower 1.
Coke-stove gas Spray Saturator deamination unit include Spray Saturator 8, crystallization pump 9, small Recycling Mother Solution pump 10,
Flowing full slot 11, head tank 12, the outlet at bottom connection crystallization pump 9 of Spray Saturator 8, the small mother liquor of Spray Saturator 8 goes out
The entrance of mouth connection flowing full slot 11, the outlet of flowing full slot 11 connect the entrance of small Recycling Mother Solution pump 10, and small Recycling Mother Solution pumps 10
The small mother liquor spray piping entrance of outlet connection Spray Saturator 8, the entrance of the outlet connection flowing full slot 11 of head tank 12 are high
The concentrated sulfuric acid that mass percent is 93%-98% is added in the slot 11 of position, crystallizes the output ammonium sulfate liquor outward of pump 9.
Embodiment 1
With coking scale for 3,000,000 t/a, H in raw coke oven gas2S content is 6g/Nm3Coke-oven plant for.Spray Saturator
Legal system takes in the technique of ammonium sulfate, for maintain Spray Saturator 8 in water balance, by part circulation ammonium sulfate liquor temperature by
50 DEG C are promoted to 60 DEG C, and the heat needed is 1122750Kcal/h, the consumption of the low-pressure saturated steam of corresponding 0.4~0.6MPaG
Amount is 2250kg/h.Coking low-quality sulfur and desulfurization waste liquor burn in acid-making process, absorb in the absorption acid buffering slot 2 of process
It absorbs sour temperature and is cooled to 70 DEG C by 85~100 DEG C, the heat for needing to discharge is 896785Kcal/h.Therefore, using circulation sulphur
Ammonium disposing mother liquor is using the whole low temperature positions waste heat for absorbing acid, and the method for reducing the steam consumption of mother liquor heater 5 completely may be used
Row.Specific step is as follows:
It absorbs in process, absorbs the absorption acid in acid buffering slot 2, temperature is controlled at 85~100 DEG C, is absorbed sour submerged pump
3, send the circulation ammonium sulfate liquor sent to absorption acid cooler 4 and mother liquor heat cycles pump 6 to exchange heat: circulation ammonium sulfate liquor
Temperature is heated to 57.9 DEG C by 50 DEG C；It absorbs sour temperature and is cooled to 70 DEG C by 85~100 DEG C.It is absorbing in acid cooler 4,
It recycles ammonium sulfate liquor and recycles the whole low temperature positions waste heat for absorbing acid release, it is no longer necessary to which recirculated cooling water is cooling to absorb acid.
The circulation ammonium sulfate liquor for absorbing acid cooler 4 out continues to send low to mother liquor heater 5 and 0.4~0.6MPaG
Pressure saturated vapor exchanges heat: circulation ammonium sulfate liquor temperature is heated to 60 DEG C by 57.9 DEG C.In mother liquor heater 5, water steams
Latent heat is released in vapour condensation, and the consumption of heat cycles ammonium sulfate liquor, the low-pressure saturated steam of corresponding 0.4~0.6MPaG is
454.5kg/h.Compared with prior art, the steam consumption of mother liquor heater 5 reduces 79.8%, steam price by 120 yuan/
T is calculated, and it is 188.7 ten thousand yuan/year that steam consumption, which reduces the expense saved,.The power consumption of newly-increased mother liquor heat cycles pump 6 is 30kW,
The electricity charge are calculated by 0.5 yuan/degree, and the increased electricity charge are 13.14 ten thousand yuan/year.After deducting the increased electricity charge, the running cost saved every year
With being 175.56 ten thousand yuan.
The circulation ammonium sulfate liquor of mother liquor heater 5 out, the circulation after being incorporated to big Recycling Mother Solution pump 7 are sprayed in mother liquor pipeline,
The sprinkling of Spray Saturator 8 is sent back to use.
Embodiment 2
With coking scale for 3,000,000 t/a, H in raw coke oven gas2S content is 7g/Nm3Coke-oven plant for.Spray Saturator
Legal system takes in the technique of ammonium sulfate, to maintain the water balance in Spray Saturator 8, will recycle the temperature of ammonium sulfate liquor by 50 DEG C
60 DEG C are promoted to, the heat needed is 1122750Kcal/h, and the consumption of the low-pressure saturated steam of corresponding 0.4~0.6MPaG is
2250kg/h.Coking low-quality sulfur and desulfurization waste liquor burn in acid-making process, absorb in the absorption acid buffering slot 2 of process and absorb
Sour temperature is cooled to 70 DEG C by 85~100 DEG C, and the heat for needing to discharge is 1048148Kcal/h.Therefore, female using circulation sulphur ammonium
Liquid recycles the whole low temperature positions waste heat for absorbing acid, and the method for reducing the steam consumption of mother liquor heater 5 is feasible.Tool
Steps are as follows for body:
It absorbs in process, absorbs the absorption acid in acid buffering slot 2, temperature is controlled at 85~100 DEG C, is absorbed sour submerged pump
3, send the circulation ammonium sulfate liquor sent to absorption acid cooler 4 and mother liquor heat cycles pump 6 to exchange heat: circulation ammonium sulfate liquor
Temperature is heated to 59.3 DEG C by 50 DEG C；It absorbs sour temperature and is cooled to 70 DEG C by 85~100 DEG C.It is absorbing in acid cooler 4,
It recycles ammonium sulfate liquor and recycles the whole low temperature positions waste heat for absorbing acid release, it is no longer necessary to which recirculated cooling water is cooling to absorb acid.
The circulation ammonium sulfate liquor for absorbing acid cooler 4 out continues to send low to mother liquor heater 5 and 0.4~0.6MPaG
Pressure saturated vapor exchanges heat: circulation ammonium sulfate liquor temperature is heated to 60 DEG C by 59.3 DEG C.In mother liquor heater 5, water steams
Latent heat is released in vapour condensation, and the consumption of heat cycles ammonium sulfate liquor, the low-pressure saturated steam of corresponding 0.4~0.6MPaG is
149.5kg/h.Compared with prior art, the steam consumption of mother liquor heater 5 reduces 93.3%, steam price by 120 yuan/
T is calculated, and it is 220.8 ten thousand yuan/year that steam consumption, which reduces the expense saved,.The power consumption of newly-increased mother liquor heat cycles pump 6 is 30kW,
The electricity charge are calculated by 0.5 yuan/degree, and the increased electricity charge are 13.14 ten thousand yuan/year.After deducting the increased electricity charge, the running cost saved every year
With being 207.66 ten thousand yuan.
The circulation ammonium sulfate liquor of mother liquor heater 5 out, the circulation after being incorporated to big Recycling Mother Solution pump 7 are sprayed in mother liquor pipeline,
The sprinkling of Spray Saturator 8 is sent back to use.
Embodiment 3
With coking scale for 3,000,000 t/a, H in raw coke oven gas2S content is 8g/Nm3Coke-oven plant for.Spray Saturator
Legal system takes in the technique of ammonium sulfate, to maintain the water balance in Spray Saturator 8, will recycle the temperature of ammonium sulfate liquor by 50 DEG C
60 DEG C are promoted to, the heat needed is 1122750Kcal/h, and the consumption of the low-pressure saturated steam of corresponding 0.4~0.6MPaG is
2250kg/h.Coking low-quality sulfur and desulfurization waste liquor burn in acid-making process, absorb in the absorption acid buffering slot 2 of process and absorb
Sour temperature is cooled to 70 DEG C by 85~100 DEG C, and the heat for needing to discharge is 1205397Kcal/h.Therefore, female using circulation sulphur ammonium
Liquid recycles the whole low temperature positions waste heat for absorbing acid, and the method for reducing the steam consumption of mother liquor heater 5 is feasible.Tool
Steps are as follows for body:
It absorbs in process, absorbs the absorption acid in acid buffering slot 2, temperature is controlled at 85~100 DEG C, is absorbed sour submerged pump
3, send the circulation ammonium sulfate liquor sent to absorption acid cooler 4 and mother liquor heat cycles pump 6 to exchange heat: circulation ammonium sulfate liquor
Temperature is heated to 60.7 DEG C by 50 DEG C；It absorbs sour temperature and is cooled to 70 DEG C by 85~100 DEG C.It is absorbing in acid cooler 4,
It recycles ammonium sulfate liquor and recycles the whole low temperature positions waste heat for absorbing acid release, it is no longer necessary to which recirculated cooling water is cooling to absorb acid.
The circulation ammonium sulfate liquor for absorbing acid cooler 4 out, continues to send to mother liquor heater 5, no longer needs water vapour at this time
Heating, needs to exchange heat with recirculated cooling water instead: circulation ammonium sulfate liquor temperature is cooled to 60 DEG C by 60.7 DEG C, recycles cold
But water is heated to 45 DEG C by 32 DEG C.In mother liquor heater 5, the heat that recirculated cooling water needs to remove is 82647Kcal/h,
Corresponding circulating cooling water consumption is only 6.3m3/h.Compared with prior art, the steam consumption of mother liquor heater 5 is reduced to zero,
Steam price is calculated by 120 yuan/t, and it is 236.52 ten thousand yuan/year that steam consumption, which reduces the expense saved,.Newly-increased mother liquor heating follows
The power consumption of ring pump 6 is 30kW, and the electricity charge are calculated by 0.5 yuan/degree, and the increased electricity charge are 13.14 ten thousand yuan/year；Circulating cooling water consumption
Amount is 6.3m3/ h, recirculated water price press 0.2 yuan/m3It calculates, increased water rate is 1.1 ten thousand yuan/year.Deduct the increased electricity charge and water
Fei Hou, the operating cost saved every year are 222.28 ten thousand yuan.
The circulation ammonium sulfate liquor of mother liquor heater 5 out, the circulation after being incorporated to big Recycling Mother Solution pump 7 are sprayed in mother liquor pipeline,
The sprinkling of Spray Saturator 8 is sent back to use.
Claims (2)
1. absorbing the low temperature position waste-heat recovery device of process in a kind of acid-making process, which is characterized in that absorbed including acid-making process
Unit, coke-stove gas Spray Saturator method deamination unit, mother liquor heat cycles pump, mother liquor heater, big Recycling Mother Solution pump, it is burnt
The big mother liquor outlet of the Spray Saturator of producer gas Spray Saturator method deamination unit connects mother liquor heat cycles pump simultaneously
The one of acid cooler is absorbed with the outlet connection acid-making process absorptive unit of the entrance of big Recycling Mother Solution pump, mother liquor heat cycles pump
A entrance absorbs an entrance of the one outlet connection mother liquor heater of acid cooler, and the one outlet of mother liquor heater is simultaneously
The outlet conduit for entering big Recycling Mother Solution pump connects the big mother liquor spray piping entrance of Spray Saturator together, mother liquor heater
Another entrance connects saturated vapor pipeline, another outlet connection steam condensate (SC) pipeline of mother liquor heater.
2. absorbing the low temperature position waste-heat recovery device of process in a kind of acid-making process according to claim 1, feature exists
In the acid-making process absorptive unit includes absorption tower, absorbs acid buffering slot, absorb acid cooler, absorb sour submerged pump, is absorbed
Tower bottom acid solution outlet connection absorbs acid buffering slot entrance, absorbs the entrance that acid buffering slot outlet connection absorbs sour submerged pump, inhales
Another entrance that pump discharge connection under acid solution absorbs acid cooler is received, another outlet connection absorption tower of acid cooler is absorbed
Absorption acid entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822214195.6U CN209507605U (en) | 2018-12-27 | 2018-12-27 | The low temperature position waste-heat recovery device of process is absorbed in a kind of acid-making process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822214195.6U CN209507605U (en) | 2018-12-27 | 2018-12-27 | The low temperature position waste-heat recovery device of process is absorbed in a kind of acid-making process |
Publications (1)
| Publication Number | Publication Date |
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| CN209507605U true CN209507605U (en) | 2019-10-18 |
Family
ID=68197599
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| CN201822214195.6U Withdrawn - After Issue CN209507605U (en) | 2018-12-27 | 2018-12-27 | The low temperature position waste-heat recovery device of process is absorbed in a kind of acid-making process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437239A (en) * | 2018-12-27 | 2019-03-08 | 中冶焦耐(大连)工程技术有限公司 | The low temperature position exhaust heat recovering method and device of process are absorbed in a kind of acid-making process |
-
2018
- 2018-12-27 CN CN201822214195.6U patent/CN209507605U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109437239A (en) * | 2018-12-27 | 2019-03-08 | 中冶焦耐(大连)工程技术有限公司 | The low temperature position exhaust heat recovering method and device of process are absorbed in a kind of acid-making process |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191018 Effective date of abandoning: 20230516 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191018 Effective date of abandoning: 20230516 |