CN110183119B - Production device and production process for preparing lime milk by ammonia distillation waste liquid - Google Patents
Production device and production process for preparing lime milk by ammonia distillation waste liquid Download PDFInfo
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- CN110183119B CN110183119B CN201910581355.7A CN201910581355A CN110183119B CN 110183119 B CN110183119 B CN 110183119B CN 201910581355 A CN201910581355 A CN 201910581355A CN 110183119 B CN110183119 B CN 110183119B
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- ash
- waste liquid
- melting machine
- lime
- pipe
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Links
- 235000008733 Citrus aurantifolia Nutrition 0.000 title claims abstract description 60
- 235000011941 Tilia x europaea Nutrition 0.000 title claims abstract description 60
- 239000004571 lime Substances 0.000 title claims abstract description 60
- 239000007788 liquid Substances 0.000 title claims abstract description 59
- 239000002699 waste material Substances 0.000 title claims abstract description 50
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000008267 milk Substances 0.000 title claims abstract description 28
- 210000004080 milk Anatomy 0.000 title claims abstract description 28
- 235000013336 milk Nutrition 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 18
- 238000004821 distillation Methods 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 229910001868 water Inorganic materials 0.000 claims abstract description 58
- 238000002844 melting Methods 0.000 claims abstract description 51
- 230000008018 melting Effects 0.000 claims abstract description 49
- 239000006228 supernatant Substances 0.000 claims abstract description 32
- 238000011010 flushing procedure Methods 0.000 claims abstract description 29
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000029087 digestion Effects 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 17
- 238000005192 partition Methods 0.000 claims abstract description 17
- 239000000292 calcium oxide Substances 0.000 claims abstract description 13
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000005507 spraying Methods 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 238000010790 dilution Methods 0.000 claims abstract description 9
- 239000012895 dilution Substances 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000000889 atomisation Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract description 13
- 235000017550 sodium carbonate Nutrition 0.000 abstract description 6
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract description 6
- 238000009621 Solvay process Methods 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 230000037390 scarring Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 239000012452 mother liquor Substances 0.000 description 2
- 208000032544 Cicatrix Diseases 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 230000037387 scars Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
- C04B2/06—Slaking with addition of substances, e.g. hydrophobic agents ; Slaking in the presence of other compounds
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2/00—Lime, magnesia or dolomite
- C04B2/02—Lime
- C04B2/04—Slaking
- C04B2/08—Devices therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a method for recycling ammonia distillation waste liquid by an ammonia-soda process soda ash enterprise, in particular to a process and a device for using the ammonia distillation waste liquid for quicklime digestion. The other end of the supernatant pipe is arranged in a cylinder body of the ash melting machine and is connected with one end of a central pipe, the central pipe is fixed at the central position of the ash melting machine through two groups of supports, the other end of the central pipe is positioned at the outer side of a partition plate, a dustpan is arranged on the partition plate, a screen body is arranged on the other side of the partition plate, and a cleaning device and a spraying device are arranged on the screen body; an ash melting water pipe and a flushing water pipe are arranged on the ash inlet chute, and the extension end of the flushing water pipe is arranged in the cylinder. Carrying out solid-liquid separation on ammonia distillation waste liquid, conveying supernatant into an ash melting machine, and conveying solid particles to a waste liquid pump inlet; slaking the quicklime into high-concentration lime milk; the inner wall of the ash melting machine is scarred due to poor fluidity of flushing water; after the complete slaking reaction of the quicklime in the lime melting machine, adding supernatant for dilution, thereby reaching the required production index, increasing the fluidity and improving the efficiency of the separation rotary screen at the rear end of the lime melting machine.
Description
Technical Field
The invention relates to a method for recycling ammonia distillation waste liquid by an ammonia-soda process soda ash enterprise, in particular to a process and a device for using the ammonia distillation waste liquid for quicklime digestion.
Background
In the production process of soda ash by an ammonia-soda process, the waste liquid generated by ton alkali is about 10m 3, the main components of the waste liquid are water, calcium chloride, sodium chloride, calcium sulfate, solid particles and the like, and as ions in the waste liquid are difficult to treat, general enterprises directly discharge the waste liquid into a liquid slag field, and supernatant liquid is discharged to the sea or naturally evaporated after clarification; some enterprises recycle part of the waste liquid to produce calcium chloride products; some enterprises recycle part of waste liquid to manufacture desulfurizing agents and the like, but the scale is limited due to the influence of factors such as cost, market and the like, and a large amount of water resources are wasted. Along with the increasing importance of the country on environmental protection, the soda ash enterprises have the imperative of water conservation and emission reduction. Therefore, comprehensive recycling of waste liquid becomes a research subject, and soda enterprises in China try to digest quicklime by using ammonia distillation waste liquid, but because impurities in various waste liquids have obvious influence on lime digestion, the prepared lime milk has low concentration, high viscosity, severe scarring and other reasons, and the like, the method has not been applied to long-term stable production in actual production.
Disclosure of Invention
The invention mainly solves the key technical problems of low lime digestion speed, low concentration of the prepared lime milk, scarring of the inner wall of a lime melting machine, screen scarring and blocking and the like of ammonia distillation waste liquid in lime digestion actual production. A method capable of stably operating at a high concentration of lime milk is provided.
The invention adopts the technical scheme when solving the problems:
The production device for preparing lime milk by using ammonia distillation waste liquid comprises an ash inlet chute, a water inlet device and an ash melting machine body; the waste liquid pump is connected with the waste liquid concentration tank, the waste liquid concentration tank is connected with the hydrocyclone, and the hydrocyclone is connected with one end of a supernatant pipeline; the ash melting machine body comprises a cone, a cylinder, a screen body and a mechanical cleaning device, wherein an ash inlet chute is connected with the cone of the ash melting machine, the other end of a supernatant pipe is arranged in the cylinder of the ash melting machine and is connected with one end of a central pipe, the central pipe is fixed at the central position of the ash melting machine through two groups of supports, the other end of the central pipe is positioned at the outer side of a partition plate, a dustpan is arranged on the partition plate, the screen body is arranged on the other side of the partition plate, and the cleaning device and a spraying device are arranged on the screen body; the cone is provided with an ash melting water pipe and a flushing water pipe, and the extension end of the flushing water pipe is arranged in the cylinder.
The production device has the following preferable scheme:
The central tube is connected with the inner wall of the cylinder body through the supporting plate.
The supernatant tube is connected with the central tube through a rotary joint.
The baffle is provided with a plurality of dustpan.
The support plates are arranged in two groups.
The ash melting water pipe is arranged at the lower part of the ash inlet chute, the supernatant pipe is arranged at the middle part of the ash inlet chute, and the flushing water pipe is arranged at the upper part of the ash inlet chute.
The cleaning device adopts a steel wire brush, and the spraying device adopts an atomization cleaning structure.
The production method comprises the following steps:
1) Carrying out solid-liquid separation on ammonia distillation waste liquid in a centrifugal separation mode, then conveying supernatant into an ash melting machine, and conveying separated solid particles to a waste liquid pump inlet;
2) At the front end of the lime slaker, the quicklime is firstly digested into high-concentration lime milk;
3) The flushing water entering through the flushing water pipe is used for continuously flushing, so that the problem of scarring of the inner wall of the lime melting machine caused by high lime milk concentration and poor fluidity at the front end of the lime melting machine is solved;
4) And after the complete digestion reaction of the quicklime in the lime melting machine, adding the supernatant prepared in the step 1) into a central tube of the lime melting machine for dilution, so as to achieve the indexes required by production, increase the fluidity and improve the efficiency of separating and rotating screens at the rear end of the lime melting machine.
The preferred scheme of the production method is as follows:
the temperature in the separation in the step 1) is 70-78 ℃; 225-250 tt of high-concentration lime milk in the step 3); in the step 4), the actual production requirement index is 160-170 tt.
The temperature at the time of separation in step 1) was 75 ℃.
In the step 2), two or more than two kinds of water with different functions are added at the front end of the lime slaker, wherein one kind of water has the function of flushing the inner wall of the lime slaker to prevent scaring of the lime slaking section of the machine head, and the other kind of water has the function of lime slaking and the water temperature is 50-65 ℃; the supernatant enters the ash melting machine from the center position of the ash melting machine to play a role in dilution.
Compared with the prior art, the lime milk prepared by adding the supernatant can meet the normal production requirement, the concentration index of the lime milk can be controlled to be 160-170 tt, water, heat and excessive lime milk in the ammonia distillation waste liquid are effectively utilized, water resources and energy consumption are saved, and the digestion of quicklime is reduced, so that the purposes of energy conservation and emission reduction are achieved.
Drawings
Fig. 1 is a flow chart of a process.
Fig. 2 is a schematic structural view of the ash machine.
Detailed Description
The invention is described in detail below with reference to the attached drawings and examples:
Referring to fig. 1 to 2, in which: a waste liquid pipeline 1, a waste liquid pump 2, a waste liquid concentration tank 3, a hydrocyclone 4, a supernatant pipe 5, a flushing water pipe 6 and a ash dissolving water pipe 7; ash machine 8, cylinder 801, central tube 802, support plate 803, cone 804, baffle 805, dustpan 806, screen 807, rotary joint 808; digestion zone 9, dilution zone 10, cleaning device 11, spraying device 12; a partition plate 13, an ash inlet chute 14.
In this embodiment, the water inlet pipeline of the waste liquid pump 2 is connected with the waste liquid concentration tank 3, the water inlet pipeline of the waste liquid concentration tank 3 is connected with the hydrocyclone 4, the hydrocyclone 4 is connected with one end of the supernatant pipeline 5, and the water outlet of the waste liquid pump 2 is connected with the hydrocyclone 4 through the waste liquid pipeline 1.
The ash melting machine body consists of a cone cylinder 804, a cylinder 801, a central tube 802, a partition 805, a screen 807, a cleaning device 11, a spraying device 12 and the like, wherein an ash inlet chute 14 is connected with the ash melting machine cone 801, the other end of a supernatant pipeline 5 is arranged in the cylinder 801 of the ash melting machine 8 and is connected with one end of the central tube 802, the other end of the central tube 802 is arranged on the partition 805 and extends out of the partition 200 mm to the left or the right, a dustpan 806 is arranged on the partition 805, and the positions of the partition 805 and the dustpan 806 are approximately positioned at the position of about 2/3 from the leftmost end part of the ash melting machine 8; a screen 807 is arranged on one side of the dustpan 11, and a mechanical cleaning device 11 and a spraying device 12 are arranged on the screen 807; the cone 804 is provided with a ash melting water pipe 7 and a flushing water pipe 6, and the extension end of the flushing water pipe 6 is arranged in the cylinder 801; the flushing pipe 6 is provided with nozzles for cleaning the inner wall of the lime-melting machine 8.
The screen 807 is provided with a cleaning device 11 and a spraying device 12 which are fixed on the outer shell of the screen 807 of the lime-melting machine so as to remove the particles and scars of the screen holes and ensure the screening effect.
The central tube 802 is connected to the inner wall of the cylinder 801 through the support plates 803, and the number of the support plates 803 is two.
The supernatant pipe 5 is connected with the central pipe 802 through a rotary joint 808, and the diameter of the central pipe 802 is larger than that of the supernatant pipe 5; the partition 805 is provided in parallel.
The ash melting water pipe 7 is arranged at the lower part of the cone 804, the supernatant pipe 5 is arranged at the middle part of the cone 804, the flushing water pipe 6 is arranged at the upper part of the cone 804, the ash feeding chute 14 is arranged at the upper part of the ash melting water pipe 7, the partition plate 13 is arranged between the ash feeding chute 14 and the ash melting water pipe 7, and the ash feeding chute 14 and the ash melting water pipe 7 are separated by the partition plate 13.
The cleaning device 11 adopts a steel wire brush, and the spraying device 12 adopts an atomization cleaning structure.
The production method of the production device for preparing lime milk by ammonia distillation waste liquid comprises the following steps:
1) The ammonia distillation waste liquid in the waste liquid concentration tank 3 is sent to a secondary pump station through a waste liquid pipe line 1 by a waste liquid pump 2, a pipeline is led out on the waste liquid pipe line 1, the waste liquid enters along the tangential direction of a hydrocyclone 4, the supernatant liquid after centrifugal separation enters a dilution zone 10 (the dilution zone 10 refers to the area between a baffle 805 and a screen 807 in a cylinder 801) of an ash machine 8 along a supernatant liquid pipe 5 from the central part, and large particles flow back into the waste liquid concentration tank 3 from the bottom of the hydrocyclone 4 and enter an inlet of the waste liquid pump 2; the clear liquid after separation reaches about 75 ℃.
2) At the front end of the lime slaker 8, the quicklime first generates a high concentration milk of lime in the digestion zone 9, the digestion zone 9 being the area between the cone 804 and the partition 805.
Two or more kinds of water with different functions are added at the front end of the ash melting machine 8: the flushing water pipe 6 has the function of flushing the inner wall of the lime slaking machine and preventing the lime slaking section of the head of the lime slaking machine 8 from scarring; the other ash-dissolving water pipe 7 is used for lime digestion, and enters a digestion zone 9 of the ash-dissolving machine from the lower part of the ash-dissolving machine 8, and quicklime and water carry out digestion reaction in the digestion zone to generate lime milk with strong viscosity and poor fluidity, wherein the concentration of the lime milk is more than 220 tt; the water temperature is 50-65 ℃; the supernatant enters the ash melting machine from the center of the ash melting machine 8 to play a role in dilution.
3) The flushing water entering through the flushing pipe 6 enters the digestion zone 9 for continuous flushing, so that the problem of scarring of the inner wall of the lime slaker 8 caused by poor fluidity due to high lime milk concentration (high concentration lime milk index 225-250 tt) at the front end of the lime slaker 8 is solved.
4) When the quicklime in the lime slaking machine 8 is fully slaked, the dustpan 806 enters the dilution zone 10 and is fully mixed with the supernatant under the action of a shoveling plate (the shoveling plate is an original part of the inner wall of the lime slaking machine, is a spiral belt with intermittent property, or is 300mm long angle steel, is spirally arranged, is not shown in the figure), the lime milk reaches the screen 807, and is screened by two layers of screens, and the lime milk is separated from the unburnt sand, but due to the viscosity increase of the supernatant added with the lime milk, the screen holes are easy to block, and the screen 807 maintains sufficient screening capacity by adding the cleaning device 11 and the spraying device 12. At this point the lime digestion process with supernatant involved is all completed. The temperature of lime milk is above 90 ℃, the concentration can be controlled between 160 and 170tt, and the requirements of the next working procedure are completely met.
Production method embodiment one:
Under the condition that the evaporation capacity of mother liquor is 900m 3/h, the temperature of the supernatant liquor of ammonia distillation waste liquid is 90m 3/h, the temperature of ash water (the secondary reuse water sent by the evaporation process is used for ash water at present) is 200 m m 3/h, the temperature of the ash water is 55 ℃, the flushing water is 20m 3/h, the temperature of the flushing water is 55 ℃, and the concentration of lime milk after digestion by an ash dissolving machine reaches 165tt (the special unit of soda ash industry- - -titer is 1/20 of equivalent concentration).
Production method embodiment II:
Under the condition that the evaporation capacity of the mother liquor is 800m 3/h, the temperature of the supernatant liquid of the ammonia distillation waste liquid is 80m 3/h, the temperature of the secondary multiplexing water is 155 m 3/h, the temperature of the secondary multiplexing water is 55 ℃, the flushing water is 20m 3/h, the temperature of the secondary multiplexing water is 55 ℃, and the concentration of lime milk after digestion by an ash melting machine reaches 167tt (the special unit of soda ash industry-titer is 1/20 of equivalent concentration).
Claims (1)
1. A production method for preparing lime milk by ammonia distillation waste liquid adopts the following production devices: comprises an ash inlet chute, an water inlet device and an ash removing machine body; the waste liquid pump is connected with the waste liquid concentration tank, the waste liquid concentration tank is connected with the hydrocyclone, and the hydrocyclone is connected with one end of a supernatant pipeline; the ash melting machine body comprises a cone, a cylinder, a screen body and a mechanical cleaning device, wherein an ash inlet chute is connected with the cone of the ash melting machine, the other end of a supernatant pipe is arranged in the cylinder of the ash melting machine and is connected with one end of a central pipe, the central pipe is fixed at the central position of the ash melting machine through two groups of support plates, the other end of the central pipe is arranged on a baffle and extends out of the baffle 200mm, a plurality of dustpan frames are arranged on the baffle, and the baffle and the dustpan frames are positioned at the position of 2/3 of the ash melting machine from the leftmost end part; the other side of the partition board is provided with a screen body, and the screen body is provided with a cleaning device and a spraying device; an ash melting water pipe and a flushing water pipe are arranged on the ash inlet chute, and the extension end of the flushing water pipe is arranged in the cylinder; the central tube is connected with the inner wall of the cylinder body through the supporting plates, and the supporting plates are arranged into two groups; the supernatant pipe is connected with the central pipe through a rotary joint; the ash melting water pipe is arranged at the lower part of the ash inlet chute, the supernatant pipe is arranged at the middle part of the ash inlet chute, and the flushing water pipe is arranged at the upper part of the ash inlet chute; the cleaning device adopts a steel wire brush, and the spraying device adopts an atomization cleaning structure; the method is characterized by comprising the following steps of:
1) Performing solid-liquid separation on ammonia distillation waste liquid in a centrifugal separation mode, then conveying supernatant into an ash melting machine, conveying separated solid particles into a waste liquid pump inlet, and separating at 70-78 ℃; the solid content is not more than 1% by mass;
2) At the front end of the lime slaker, the quicklime is firstly digested into high-concentration lime milk;
3) The inner wall of the lime melting machine is scarred at the front end of the lime melting machine caused by high lime milk concentration and poor fluidity by flushing water entering through a flushing water pipe for continuous flushing; the concentration of the high-concentration lime milk is 225-250 tt;
4) After the complete digestion reaction of the quicklime in the lime melting machine, the supernatant prepared in the step 1) is added into the central tube of the lime melting machine for dilution, so that indexes 160-170 tt required by production are achieved, the fluidity is increased, and the efficiency of separating and rotating screening at the rear end of the lime melting machine is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581355.7A CN110183119B (en) | 2019-06-29 | 2019-06-29 | Production device and production process for preparing lime milk by ammonia distillation waste liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581355.7A CN110183119B (en) | 2019-06-29 | 2019-06-29 | Production device and production process for preparing lime milk by ammonia distillation waste liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110183119A CN110183119A (en) | 2019-08-30 |
| CN110183119B true CN110183119B (en) | 2024-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910581355.7A Active CN110183119B (en) | 2019-06-29 | 2019-06-29 | Production device and production process for preparing lime milk by ammonia distillation waste liquid |
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| CN (1) | CN110183119B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077815Y (en) * | 2007-07-31 | 2008-06-25 | 唐山三友化工股份有限公司 | Durable anti-blocking ash removing machine |
| CN201923955U (en) * | 2011-02-23 | 2011-08-10 | 青海百事特镁业有限公司 | Calcium liquid lime milk making machine |
| CN102145912A (en) * | 2011-03-01 | 2011-08-10 | 大连大化工程设计有限公司 | Process for preparing calcium chloride solution by utilizing ammonia soda filtration mother liquor |
| CN205701454U (en) * | 2016-03-31 | 2016-11-23 | 济宁天翊环保科技有限公司 | A kind of sizing screening composite screen device |
| CN207862203U (en) * | 2017-11-29 | 2018-09-14 | 甘肃西域阳光食品有限公司 | A kind of milk of lime disappears automatically and device |
| CN210127192U (en) * | 2019-06-29 | 2020-03-06 | 唐山三友化工股份有限公司 | Production device for preparing lime milk by ammonia distillation waste liquid |
-
2019
- 2019-06-29 CN CN201910581355.7A patent/CN110183119B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201077815Y (en) * | 2007-07-31 | 2008-06-25 | 唐山三友化工股份有限公司 | Durable anti-blocking ash removing machine |
| CN201923955U (en) * | 2011-02-23 | 2011-08-10 | 青海百事特镁业有限公司 | Calcium liquid lime milk making machine |
| CN102145912A (en) * | 2011-03-01 | 2011-08-10 | 大连大化工程设计有限公司 | Process for preparing calcium chloride solution by utilizing ammonia soda filtration mother liquor |
| CN205701454U (en) * | 2016-03-31 | 2016-11-23 | 济宁天翊环保科技有限公司 | A kind of sizing screening composite screen device |
| CN207862203U (en) * | 2017-11-29 | 2018-09-14 | 甘肃西域阳光食品有限公司 | A kind of milk of lime disappears automatically and device |
| CN210127192U (en) * | 2019-06-29 | 2020-03-06 | 唐山三友化工股份有限公司 | Production device for preparing lime milk by ammonia distillation waste liquid |
Non-Patent Citations (1)
| Title |
|---|
| 利用蒸氨废液提高石灰消化速度试验;王桂香 等;河南化工(第1期);21-22 * |
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| Publication number | Publication date |
|---|---|
| CN110183119A (en) | 2019-08-30 |
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