CN109607569A - A kind of three-level desalinization of soil by flooding or leaching method - Google Patents

A kind of three-level desalinization of soil by flooding or leaching method Download PDF

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Publication number
CN109607569A
CN109607569A CN201811503380.5A CN201811503380A CN109607569A CN 109607569 A CN109607569 A CN 109607569A CN 201811503380 A CN201811503380 A CN 201811503380A CN 109607569 A CN109607569 A CN 109607569A
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China
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salt
desalinization
flooding
soil
level
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CN201811503380.5A
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Inventor
姚立勇
李经宝
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Zhongyan Zaoyang Salinization Co Ltd
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Zhongyan Zaoyang Salinization Co Ltd
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Priority to CN201811503380.5A priority Critical patent/CN109607569A/en
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D3/00Halides of sodium, potassium or alkali metals in general
    • C01D3/04Chlorides
    • C01D3/06Preparation by working up brines; seawater or spent lyes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01DCOMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D5/00Sulfates or sulfites of sodium, potassium or alkali metals in general

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

The invention discloses a kind of three-level desalinization of soil by flooding or leaching methods, specifically includes the following steps: step 1: five effect salt slurries are added in five effect salt slurry buffer barrels, the salt slurry after processing is transported in collection salt box again, step 2: and then will be in the salt slurry conveying transition salt slurry bucket in three-level desalinization of soil by flooding or leaching cylinder, centrifugal treating is carried out using centrifuge, it then will be in centrifuge top flow liquid again defeated time transition salt slurry bucket, centrifuge rear liquid is got rid of simultaneously to be transported in deposit tank, step 3: triple effect mother liquor, quadruple effect mother liquor and five effect mother liquors are transported in mother liquor buffer barrel, the present invention relates to salt purification technique fields.The three-level desalinization of soil by flooding or leaching method, it sets up five effect salt slurry buffer barrels and buffering stirring is carried out to five effect salt slurries, reduce impurity content, denitration process is carried out to recycling liquid simultaneously, it solves existing five effects evaporation salt manufacture and five effect salt slurries addition collection salt box is directly evaporated salt manufacturing in process, the problem of being easy to produce more impurity, increasing difficulty to later purification work.

Description

A kind of three-level desalinization of soil by flooding or leaching method
Technical field
The present invention relates to salt purification technique field, specially a kind of three-level desalinization of soil by flooding or leaching method.
Background technique
Salt refers to a kind of metal ion or ammonium ion (NH4 +) compound in conjunction with acid ion or nonmetallic ion, Such as sodium chloride, calcium nitrate, ferrous sulfate and ammonium acetate calcium sulfate, copper chloride, sodium acetate etc., in general salt are metathesis reactions Product, salt and reactant salt generate new salt and new salt, and salt react with alkali generates new salt and new alkali, and salt reacts the new salt of generation with sour Sodium sulphate and water are generated with eo-acid, such as sulfuric acid and sodium hydroxide, sodium chloride and nitric acid silver reaction generate silver chlorate and sodium nitrate etc., Also other react produces salt, such as displacement reaction.The solution of soluble-salt is conductive, and being can be certainly because having in solution By the ion to move about, so can be used as electrolyte, hydrochloric acid is both the staple product of salt chemical engineering and the important original for producing silicon materials Material, salt is one kind of crystal, can provide a large amount of sodium, and for the human body, sodium plays the part of a variety of vital roles, it can promote The propagation and contraction of muscle of metabolism and the nerve impulse of protein and carbohydrate, moreover it is possible to adjust hormone and cell to oxygen Consumption, control urine volume generate, be thirsty and generate liquid (blood, saliva, tears, sweat, gastric juice and bile) etc., salt is to life It is also extremely important at gastric acid.
The processing of existing salt will mainly evaporate salt manufacture using five effects, and existing five effects evaporation salt manufacture is in process In directly five effect salt slurries are added in collection salt box be evaporated salt manufacturing, such setting is easy to produce more impurity, to the later period Purification increase difficulty.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of three-level desalinization of soil by flooding or leaching methods, solve existing five effects evaporation Five effect salt slurries are directly added in collection salt box are evaporated salt manufacturing in process by salt manufacture, are easy to produce more impurity, The problem of increasing difficulty to later purification work.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of three-level desalinization of soil by flooding or leaching method is specific to wrap Include following steps:
Step 1: being heated after former halogen charging, then carries out a point effect charging again and an effect salt slurry, two effect salt slurries, three is made Salt slurry, quadruple effect salt slurry and five effect salt slurries are imitated, salt slurry, two effect salt slurries, triple effect salt slurry and quadruple effect salt slurry is imitated by one and is input to collection salt box In, five effect salt slurries are added in five effect salt slurry buffer barrels, then the salt slurry after processing is transported in collection salt box, salt will be collected later Salt slurry in case is transported in level-one desalinization of soil by flooding or leaching cylinder, is blended into brine, carries out floating washing, initial gross separation sodium sulphate particle, later by level-one Salt slurry after processing in desalinization of soil by flooding or leaching cylinder is transported in second level desalinization of soil by flooding or leaching cylinder, is blended into brine, carries out floating washing, continues separating sodium sulfate particle, Then the salt slurry after processing in second level desalinization of soil by flooding or leaching cylinder is transported in three-level desalinization of soil by flooding or leaching cylinder again, then is blended into brine, carried out floating washing, divide again From sodium sulphate particle;
Step 2: and then by the salt slurry conveying transition salt slurry bucket in three-level desalinization of soil by flooding or leaching cylinder, carried out at centrifugation using centrifuge Centrifuge then by centrifuge top flow liquid again defeated time transition salt slurry bucket, while being got rid of rear liquid and is transported in deposit tank by reason, is surpassed The part of amount of storage is flowed out along overflow pipe out;
Step 3: in former halogen point effect charging, it is slow to be transported to mother liquor for triple effect mother liquor, quadruple effect mother liquor and five effect mother liquors obtained It rushes in bucket, is transported in the first salt slurry cylinder in heavy salt device using the salt slurry in mother liquor buffer barrel;
Step 4: the temperature that generates is transported in second level desalinization of soil by flooding or leaching cylinder after heating in three-level desalinization of soil by flooding or leaching cylinder, then by the second level desalinization of soil by flooding or leaching The temperature that cylinder generates is transported in level-one desalinization of soil by flooding or leaching cylinder, and the temperature generated in level-one desalinization of soil by flooding or leaching cylinder is then transported to the second of heavy salt device In salt slurry cylinder;
Step 5: the liquid of paging layer in the first salt slurry cylinder and the second salt slurry cylinder is transported in deposit tank, in deposit tank Upper layer hydrops be transported in high temperature section plate type preheater, then that lower layer's hydrops in deposit tank is transported to low-temperature zone is board-like pre- It is processed in hot device;
Step 6: the deposition liquid of the first salt slurry cylinder and the second salt slurry cylinder is transported in nitre heating room or this is transported to nitre It carries out taking off thick nitre in centrifuge;
Step 7: electric control valve Q150 is controlled by level-one desalinization of soil by flooding or leaching cylinder, second level desalinization of soil by flooding or leaching cylinder and three-level desalinization of soil by flooding or leaching cylinder bottom buildup edge Drainage conduit discharge.
Preferably, an effect salt slurry is transported to collection salt box by SL-10-65-LIE pipettor, and the two effects salt slurry is logical It crosses SL-20-65-LIE pipettor to be transported in collection salt box, the triple effect salt slurry is transported to collection by SL-30-65-LIE pipettor In salt box, the quadruple effect salt slurry is transported in collection salt box by SL-40-65-LIE pipettor.
Preferably, the salt slurry after processing in the level-one desalinization of soil by flooding or leaching cylinder is transported to the second level desalinization of soil by flooding or leaching using brine pump YBD50A- II In cylinder, the salt slurry after processing in the second level desalinization of soil by flooding or leaching cylinder is transported in three-level desalinization of soil by flooding or leaching cylinder using brine pump YBD50A- II.
Preferably, the mother liquor buffer barrel buffers pump HT100-65-250 using mother liquor and is transported in the first salt slurry cylinder, institute State five effect salt slurry buffer barrels by five effect brine pump AZ100-65-315 be transported to collection salt box in, centrifuge top flow liquid and from Scheming, which gets rid of rear liquid and passes through brine pump AZ125-100-400A, to be transported in transition salt slurry bucket and deposit tank.
Preferably, the upper layer hydrops in the deposit tank is transported to high temperature section plate by old halogen pump HT125-100-250 In formula preheater, then lower layer's hydrops in deposit tank is pumped into YBD50A- II by old halogen and is transported in low-temperature zone plate type preheater.
Preferably, the five effects salt slurry buffer barrel sum aggregate salt box is to drive stirring rod to be stirred using motor, described The row's of being provided with ground sewer pipe on the left of mother liquor buffer barrel, five effect salt slurry buffer barrel sum aggregate salt box.
Preferably, the bottom of the level-one desalinization of soil by flooding or leaching cylinder, second level desalinization of soil by flooding or leaching cylinder and three-level desalinization of soil by flooding or leaching cylinder is respectively provided with drainage conduit.
(3) beneficial effect
2. the present invention provides a kind of three-level desalinization of soil by flooding or leaching methods.Have following the utility model has the advantages that specifically includes the following steps: step One: being heated after former halogen charging, then carry out a point effect charging again and an effect salt slurry, two effect salt slurries, triple effect salt slurry, quadruple effect salt is made Slurry and five effect salt slurries are imitated salt slurry, two effect salt slurries, triple effect salt slurry and quadruple effect salt slurry for one and are input in collection salt box, imitate salt slurry for five It is added in five effect salt slurry buffer barrels, then the salt slurry after processing is transported in collection salt box, it is defeated to collect the salt slurry in salt box later It is sent in level-one desalinization of soil by flooding or leaching cylinder, is blended into brine, carry out floating washing, initial gross separation sodium sulphate particle will process in level-one desalinization of soil by flooding or leaching cylinder later Salt slurry afterwards is transported in second level desalinization of soil by flooding or leaching cylinder, is blended into brine, carries out floating washing, continues separating sodium sulfate particle, then again by second level Salt slurry after processing in desalinization of soil by flooding or leaching cylinder is transported in three-level desalinization of soil by flooding or leaching cylinder, then is blended into brine, carries out floating washing, again separating sodium sulfate Grain, step 2: and then by the salt slurry conveying transition salt slurry bucket in three-level desalinization of soil by flooding or leaching cylinder, centrifugal treating is carried out using centrifuge, so Afterwards by centrifuge top flow liquid again defeated time transition salt slurry bucket, while centrifuge is got rid of into rear liquid and is transported in deposit tank, beyond depositing The part of reserves is flowed out along overflow pipe, step 3: triple effect mother liquor, quadruple effect mother liquor and five effects obtained in former halogen point effect charging Mother liquor is transported in mother liquor buffer barrel, is transported in the first salt slurry cylinder in heavy salt device using the salt slurry in mother liquor buffer barrel, Step 4: the temperature generated after heating in three-level desalinization of soil by flooding or leaching cylinder is transported in second level desalinization of soil by flooding or leaching cylinder, then second level desalinization of soil by flooding or leaching cylinder is generated Temperature is transported in level-one desalinization of soil by flooding or leaching cylinder, then the temperature generated in level-one desalinization of soil by flooding or leaching cylinder is transported to the second salt slurry cylinder of heavy salt device In, step 5: the liquid of paging layer in the first salt slurry cylinder and the second salt slurry cylinder is transported in deposit tank, the upper layer in deposit tank Hydrops is transported in high temperature section plate type preheater, then lower layer's hydrops in deposit tank is transported in low-temperature zone plate type preheater It is processed, step 6: the deposition liquid of the first salt slurry cylinder and the second salt slurry cylinder being transported in nitre heating room or this is transported to It carries out taking off thick nitre in nitre centrifuge, step 7: controlling electric control valve Q150 for level-one desalinization of soil by flooding or leaching cylinder, second level desalinization of soil by flooding or leaching cylinder and the three-level desalinization of soil by flooding or leaching Cylinder bottom buildup is discharged along drainage conduit, sets up five effect salt slurry buffer barrels and carries out buffering stirring to five effect salt slurries, reduces impurity and contain Amount, while to recycling liquid to carry out denitration process, solve existing five effects evaporation salt manufacture in process directly by five Effect salt slurry is added in collection salt box and is evaporated salt manufacturing, is easy to produce more impurity, increases difficulty to later purification work Problem.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects It encloses.
The embodiment of the present invention provides a kind of technical solution: a kind of three-level desalinization of soil by flooding or leaching method, specifically includes the following steps:
Step 1: the former halogen laggard row that feeds is heated, and then carries out a point effect charging again and an effect salt slurry is made, two imitates salt Slurry, triple effect salt slurry, quadruple effect salt slurry and five effect salt slurries imitate salt slurry, two effect salt slurries, triple effect salt slurry and quadruple effect salt slurry for one and are input to collection In salt box, an effect salt slurry is transported to collection salt box by SL-10-65-LIE pipettor, and two effect salt slurries are moved by SL-20-65-LIE Liquid device is transported in collection salt box, and triple effect salt slurry is transported in collection salt box by SL-30-65-LIE pipettor, and quadruple effect salt slurry passes through SL-40-65-LIE pipettor is transported in collection salt box, and five effect salt slurries are added in five effect salt slurry buffer barrels, then will be after processing Salt slurry be transported to collection salt box in, later by collect salt box in salt slurry be transported in level-one desalinization of soil by flooding or leaching cylinder, be blended into brine, added Salt slurry after processing in level-one desalinization of soil by flooding or leaching cylinder is transported in second level desalinization of soil by flooding or leaching cylinder later, is blended into brine, is processed, then again by work Salt slurry after processing in second level desalinization of soil by flooding or leaching cylinder is transported in three-level desalinization of soil by flooding or leaching cylinder, then is blended into brine, is processed, step 2: then By in the salt slurry conveying transition salt slurry bucket in three-level desalinization of soil by flooding or leaching cylinder, centrifugal treating is carried out using centrifuge, then flows centrifuge top Centrifuge is got rid of rear liquid and is transported in deposit tank again in defeated time transition salt slurry bucket by liquid, the part beyond amount of storage along Overflow pipe outflow, step 3: in former halogen point effect charging, triple effect mother liquor, quadruple effect mother liquor and five effect mother liquors obtained are transported to mother liquor In buffer barrel, it is transported in the first salt slurry cylinder in heavy salt device using the salt slurry in mother liquor buffer barrel, step 4: three-level is washed The temperature generated after heating in salt cylinder is transported in second level desalinization of soil by flooding or leaching cylinder, then the temperature that second level desalinization of soil by flooding or leaching cylinder generates is transported to level-one and is washed In salt cylinder, then the temperature generated in level-one desalinization of soil by flooding or leaching cylinder is transported in the second salt slurry cylinder of heavy salt device, step 5: by the first salt The liquid of paging layer is transported in deposit tank in slurry cylinder and the second salt slurry cylinder, and the upper layer hydrops in deposit tank is transported to high temperature section In plate type preheater, then lower layer's hydrops in deposit tank is transported in low-temperature zone plate type preheater and is processed, step 6: will The deposition liquid of first salt slurry cylinder and the second salt slurry cylinder is transported in nitre heating room or this is transported in nitre centrifuge and take off slightly Nitre, step 7: control electric control valve Q150 is by level-one desalinization of soil by flooding or leaching cylinder, second level desalinization of soil by flooding or leaching cylinder and three-level desalinization of soil by flooding or leaching cylinder bottom buildup along discharge Pipe discharge sets up five effect salt slurry buffer barrels and carries out buffering stirring to five effect salt slurries, reduces impurity content, at the same to recycle liquid into Row denitration process, solve it is existing five effect evaporation salt manufacture in process directly by five effect salt slurries be added collection salt box in into Row evaporation salt manufacturing the problem of being easy to produce more impurity, increase difficulty to later purification work, is processed in level-one desalinization of soil by flooding or leaching cylinder Salt slurry afterwards is transported in second level desalinization of soil by flooding or leaching cylinder using brine pump YBD50A- II, and the salt slurry after processing in second level desalinization of soil by flooding or leaching cylinder utilizes salt Stock pump YBD50A- II is transported in three-level desalinization of soil by flooding or leaching cylinder, and mother liquor buffer barrel buffers pump HT100-65-250 using mother liquor and is transported to the In one salt slurry cylinder, five effect salt slurry buffer barrels are transported in collection salt box by five effect brine pump AZ100-65-315, centrifuge top stream Liquid and centrifuge, which get rid of rear liquid and pass through brine pump AZ125-100-400A, to be transported in transition salt slurry bucket and deposit tank, in deposit tank Upper layer hydrops be transported in high temperature section plate type preheater by old halogen pump HT125-100-250, then by lower layer in deposit tank Hydrops is transported in low-temperature zone plate type preheater by old halogen pump YBD50A- II, and five effect salt slurry buffer barrel sum aggregate salt box are Stirring rod is driven to be stirred using motor, the row of being provided on the left of mother liquor buffer barrel, five effect salt slurry buffer barrel sum aggregate salt box The bottom of ground sewer pipe, level-one desalinization of soil by flooding or leaching cylinder, second level desalinization of soil by flooding or leaching cylinder and three-level desalinization of soil by flooding or leaching cylinder is respectively provided with drainage conduit.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element ".
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (7)

1. a kind of three-level desalinization of soil by flooding or leaching method, it is characterised in that: specifically includes the following steps:
Step 1: being heated after former halogen charging, then carries out a point effect charging again and an effect salt slurry, two effect salt slurries, triple effect salt is made Slurry, quadruple effect salt slurry and five effect salt slurries are imitated salt slurry, two effect salt slurries, triple effect salt slurry and quadruple effect salt slurry for one and are input in collection salt box, will Five effect salt slurries are added in five effect salt slurry buffer barrels, then the salt slurry after processing is transported in collection salt box, will be collected in salt box later Salt slurry be transported in level-one desalinization of soil by flooding or leaching cylinder, be blended into brine, carry out floating washing, initial gross separation sodium sulphate particle, later by the level-one desalinization of soil by flooding or leaching Salt slurry after processing in cylinder is transported in second level desalinization of soil by flooding or leaching cylinder, is blended into brine, carries out floating washing, continues separating sodium sulfate particle, then The salt slurry after processing in second level desalinization of soil by flooding or leaching cylinder is transported in three-level desalinization of soil by flooding or leaching cylinder again, then is blended into brine, floating washing is carried out, separates sulphur again Sour sodium particle;
Step 2: and then by the salt slurry conveying transition salt slurry bucket in three-level desalinization of soil by flooding or leaching cylinder, centrifugal treating is carried out using centrifuge, so Afterwards by centrifuge top flow liquid again defeated time transition salt slurry bucket, while centrifuge is got rid of into rear liquid and is transported in deposit tank, beyond depositing It is flowed out along overflow pipe the part of reserves;
Step 3: in former halogen point effect charging, triple effect mother liquor, quadruple effect mother liquor and five effect mother liquors obtained are transported to mother liquor buffer barrel In, it is transported in the first salt slurry cylinder in heavy salt device using the salt slurry in mother liquor buffer barrel;
Step 4: the temperature generated after heating in three-level desalinization of soil by flooding or leaching cylinder is transported in second level desalinization of soil by flooding or leaching cylinder, then second level desalinization of soil by flooding or leaching cylinder is produced Raw temperature is transported in level-one desalinization of soil by flooding or leaching cylinder, then the temperature generated in level-one desalinization of soil by flooding or leaching cylinder is transported to the second salt slurry of heavy salt device In cylinder;
Step 5: the liquid of paging layer in the first salt slurry cylinder and the second salt slurry cylinder is transported in deposit tank, upper in deposit tank Lamination liquid is transported in high temperature section plate type preheater, then lower layer's hydrops in deposit tank is transported to low-temperature zone plate type preheater In processed;
Step 6: the deposition liquid of the first salt slurry cylinder and the second salt slurry cylinder is transported in nitre heating room or this is transported to nitre centrifugation It carries out taking off thick nitre in machine;
Step 7: control electric control valve Q150 is by level-one desalinization of soil by flooding or leaching cylinder, second level desalinization of soil by flooding or leaching cylinder and three-level desalinization of soil by flooding or leaching cylinder bottom buildup along row Expects pipe discharge.
2. a kind of three-level desalinization of soil by flooding or leaching method according to claim 1, it is characterised in that: the effect salt slurry passes through SL-10- 65-LIE pipettor is transported to collection salt box, and the two effect salt slurry is transported in collection salt box by SL-20-65-LIE pipettor, institute It states triple effect salt slurry to be transported in collection salt box by SL-30-65-LIE pipettor, the quadruple effect salt slurry is moved by SL-40-65-LIE Liquid device is transported in collection salt box.
3. a kind of three-level desalinization of soil by flooding or leaching method according to claim 1, it is characterised in that: after being processed in the level-one desalinization of soil by flooding or leaching cylinder Salt slurry is transported in second level desalinization of soil by flooding or leaching cylinder using brine pump YBD50A- II, and the salt slurry after processing in the second level desalinization of soil by flooding or leaching cylinder utilizes salt Stock pump YBD50A- II is transported in three-level desalinization of soil by flooding or leaching cylinder.
4. a kind of three-level desalinization of soil by flooding or leaching method according to claim 1, it is characterised in that: the mother liquor buffer barrel is slow using mother liquor Punching pump HT100-65-250 is transported in the first salt slurry cylinder, and the five effect salt slurry buffer barrel passes through five effect brine pump AZ100-65- 315 are transported in collection salt box, and centrifuge top flow liquid and centrifuge get rid of rear liquid to pass through brine pump AZ125-100-400A defeated It is sent in transition salt slurry bucket and deposit tank.
5. a kind of three-level desalinization of soil by flooding or leaching method according to claim 1, it is characterised in that: the upper layer hydrops warp in the deposit tank It crosses old halogen pump HT125-100-250 to be transported in high temperature section plate type preheater, then lower layer's hydrops in deposit tank is passed through into old halogen Pump YBD50A- II is transported in low-temperature zone plate type preheater.
6. a kind of three-level desalinization of soil by flooding or leaching method according to claim 1, it is characterised in that: the five effects salt slurry buffer barrel sum aggregate salt Case is to drive stirring rod to be stirred using motor, the left side of the mother liquor buffer barrel, five effect salt slurry buffer barrel sum aggregate salt box The row's of being provided with ground sewer pipe.
7. a kind of three-level desalinization of soil by flooding or leaching method according to claim 1, it is characterised in that: the level-one desalinization of soil by flooding or leaching cylinder, the second level desalinization of soil by flooding or leaching The bottom of cylinder and three-level desalinization of soil by flooding or leaching cylinder is respectively provided with drainage conduit.
CN201811503380.5A 2018-12-10 2018-12-10 A kind of three-level desalinization of soil by flooding or leaching method Pending CN109607569A (en)

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CN113751469A (en) * 2021-09-14 2021-12-07 浙江海禹环保科技有限公司 Resource treatment method and device for industrial waste salt
CN113751469B (en) * 2021-09-14 2022-06-03 浙江海禹环保科技有限公司 Resource treatment method and device for industrial waste salt

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Application publication date: 20190412