CN106044814A - Mechanical seal water circulation system for alumina decomposition system and mechanical seal water circulation method - Google Patents
Mechanical seal water circulation system for alumina decomposition system and mechanical seal water circulation method Download PDFInfo
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- CN106044814A CN106044814A CN201610559056.XA CN201610559056A CN106044814A CN 106044814 A CN106044814 A CN 106044814A CN 201610559056 A CN201610559056 A CN 201610559056A CN 106044814 A CN106044814 A CN 106044814A
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- pump
- water shutoff
- machine water
- dissolution
- pond
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/04—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom
- C01F7/06—Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process
Abstract
The invention provides a mechanical seal water circulation system for an alumina decomposition system. The mechanical seal water circulation system comprises a sedimentation dissolution part and a decomposition part, wherein each of the sedimentation dissolution part and the decomposition part is equipped with a plurality of pumps, a mechanical seal water pool and a circulation pump; mechanical seal water in the pumps in the sedimentation dissolution part and the decomposition part is recovered into the corresponding mechanical seal water pools; water in the mechanical seal water pools is used as the mechanical seal water and is respectively returned to the pumps of the sedimentation dissolution part or the decomposition part through the circulation pumps, so as to recycle the water. The invention further provides a mechanical seal water circulation method using the mechanical seal water circulation system. The mechanical seal water circulation system and the mechanical seal water circulation method can reduce discharge quantity of the mechanical seal water, reduce consumption of soft water and reduce production cost.
Description
[technical field]
The present invention relates to a kind of machine water shutoff blood circulation for alumina decomposition system and round-robin method thereof.
[background technology]
Needing during alumina decomposition at present to use various pumps, a lot of pumps need to cool down with machine water shutoff.Machine water shutoff is cold
But water all uses the preferable soft water of water quality, and the machine water shutoff that cooler is honored as a queen is directly by outer row, not only causes the bigger of soft water
Waste, and add follow-up sewage load, add cost of sewage disposal.
[summary of the invention]
Problem for above-mentioned existence, it is necessary to provide a kind of machine water shutoff blood circulation for alumina decomposition system and
Its machine water shutoff round-robin method, it is possible to reduce the outer discharge capacity of machine water shutoff, reduces the consumption to soft water, reduces production cost.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of machine water shutoff blood circulation for alumina decomposition system, including sedimentation dissolution part and decomposition part:
Described sedimentation dissolution part be provided with settler overflow pump, sedimentation underflow pump, water pump of dissolution, dissolution secondary water pump,
Pump, sedimentation dissolution machine water shutoff pond and sedimentation dissolution circulating pump, described settler overflow pump, described sedimentation underflow after dilution pumps, dilution
One or more and institute of pump after pump, water pump of described dissolution, described dissolution secondary water pump, described dilution pumps and described dilution
State sedimentation dissolution machine water shutoff pond to connect, with by described settler overflow pump, described sedimentation underflow pump, water pump of described dissolution, institute
After stating dissolution secondary water pump, described dilution pumps and described dilution, the machine water shutoff of pump is recycled to described sedimentation dissolution machine water shutoff pond, institute
State sedimentation dissolution circulating pump and the water in described sedimentation dissolution machine water shutoff pond is back to described settler overflow respectively as machine water shutoff
Pump after pump, described sedimentation underflow pump, water pump of described dissolution, described dissolution secondary water pump, described dilution pumps and described dilution；
Described decomposition unit is arranged with a line systemic circulation pump, vertical plate feeding pump, two wires systemic circulation pump, classification feeding pump, centre
Cooling pump, crude liquor pump, seminal fluid pump, big mother solution pump, little mother solution pump, blowdown pump, raw liquor pump, cone nut pump, causticization pulp pump, carbide slag
Pump, milk of lime pump, the clear pump of change, disassembler water shutoff pond and Decomposition Cycle pump, a described line systemic circulation pump, described vertical plate feeding pump,
Described two wires systemic circulation pump, described classification feeding pump, described intermediate temperature drop pump, described crude liquor pump, described seminal fluid pump, described big mother
Liquid pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump,
One or more of the clear pump of described milk of lime pump, describedization is connected with described disassembler water shutoff pond, with by a described line systemic circulation
Pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, described intermediate temperature drop pump, described crude liquor pump,
Described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described severe
Change pulp pump, described carbide pulp pump, described milk of lime pump, the machine water shutoff of the clear pump of describedization are recycled to described disassembler water shutoff pond, institute
State Decomposition Cycle pump and the water in described disassembler water shutoff pond is back to a described line systemic circulation pump, described respectively as machine water shutoff
Vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, described intermediate temperature drop pump, described crude liquor pump, described seminal fluid
Pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, institute
State carbide pulp pump, described milk of lime pump and the clear pump of describedization.
Further, the output of described sedimentation dissolution circulating pump is less than the output of described Decomposition Cycle pump.
Further, described disassembler water shutoff pond includes the first machine water shutoff pond and the second machine water shutoff pond, described Decomposition Cycle
Pump includes the first circulating pump and the second circulating pump, a described line systemic circulation pump, described vertical plate feeding pump, the systemic circulation of described two wires
Pump, described classification feeding pump and described intermediate temperature drop pump are all connected with described first machine water shutoff pond, and described first circulating pump is by institute
State water in the first machine water shutoff pond and be back to a described line systemic circulation pump, described vertical plate feeding pump, described respectively as machine water shutoff
Two wires systemic circulation pump, described classification feeding pump and described intermediate temperature drop pump, described crude liquor pump, described seminal fluid pump, described big mother solution
Pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, institute
Stating milk of lime pump and the clear pump of describedization is all connected with described second machine water shutoff pond, described second circulating pump is by described second machine water shutoff
Water in pond as machine water shutoff be back to respectively described crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump,
Described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described milk of lime pump and described
Change clear pump.
Further, the pressure of supply water of described first circulating pump is more than the pressure of supply water of described second circulating pump.
Further, described machine water shutoff blood circulation also includes machine water shutoff house steward, filling pipe and controller, and described sedimentation is molten
Go out machine water shutoff pond and described disassembler water shutoff pond to be all connected, on described filling pipe with described machine water shutoff house steward by described filling pipe
The most also set in being provided with the control valve controlling described filling pipe break-make, described sedimentation dissolution machine water shutoff pond and described disassembler water shutoff pond
Having liquid level controller, described controller is electrically connected with described liquid level controller and described control valve.
Further, described machine water shutoff house steward is connected at the bottom of described settler overflow pump, described sedimentation respectively by lateral
Pump, a described line systemic circulation after stream pump, water pump of described dissolution, described dissolution secondary water pump, described dilution pumps, described dilution
Pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, described intermediate temperature drop pump, described crude liquor pump,
Described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described severe
Changing pulp pump, described carbide pulp pump, described milk of lime pump and the clear pump of describedization, described lateral is provided with the valve controlling break-make
Door.
Further, described sedimentation dissolution circulating pump and described Decomposition Cycle pump are centrifugal pump.
A kind of machine water shutoff round-robin method using above-mentioned machine water shutoff blood circulation, comprises the following steps:
By described settler overflow pump, described sedimentation underflow pump, water pump of described dissolution, described dissolution secondary water pump, institute
After stating dilution pumps and described dilution, the machine water shutoff of pump is recycled to described sedimentation dissolution machine water shutoff pond, and is followed by described sedimentation dissolution
At the bottom of water in described sedimentation dissolution machine water shutoff pond is back to described settler overflow pump, described sedimentation as machine water shutoff by ring pump respectively
Pump after stream pump, water pump of described dissolution, described dissolution secondary water pump, described dilution pumps and described dilution；
By a described line systemic circulation pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, institute
State intermediate temperature drop pump, described crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described
Raw liquor pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described milk of lime pump and the machine water shutoff of the clear pump of describedization
Be recycled to described disassembler water shutoff pond, and by described Decomposition Cycle pump using the water in described disassembler water shutoff pond as machine water shutoff
It is back to a described line systemic circulation pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, institute respectively
State intermediate temperature drop pump, described crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described
Raw liquor pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described milk of lime pump and the clear pump of describedization.
Further, described disassembler water shutoff pond includes the first machine water shutoff pond and the second machine water shutoff pond, described Decomposition Cycle
Pump includes the first circulating pump and the second circulating pump, by a described line systemic circulation pump, described vertical plate feeding pump, the systemic circulation of described two wires
Pump, described classification feeding pump, the machine water shutoff of described intermediate temperature drop pump are recycled to described first machine water shutoff pond, and by described first
Water in described first machine water shutoff pond is back to respectively in a described line systemic circulation pump, described vertical plate by circulating pump as machine water shutoff
Material pump, described two wires systemic circulation pump, described classification feeding pump and described intermediate temperature drop pump；By described crude liquor pump, described seminal fluid pump,
Described big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, described
The machine water shutoff of carbide pulp pump, described milk of lime pump and the clear pump of describedization is recycled to described second machine water shutoff pond, and by described the
Water in described second machine water shutoff pond is back to described crude liquor pump, described seminal fluid pump, institute as machine water shutoff by two circulating pumps respectively
State big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, described electricity
Rock ballast pump, described milk of lime pump and the clear pump of describedization.
Further, described machine water shutoff blood circulation also includes machine water shutoff house steward, filling pipe and controller, and described sedimentation is molten
Go out machine water shutoff pond and described disassembler water shutoff pond to be all connected, on described filling pipe with described machine water shutoff house steward by described filling pipe
Being provided with the control valve controlling described filling pipe break-make, described machine water shutoff round-robin method is further comprising the steps of, when described sedimentation is molten
When going out the water shortage in machine water shutoff pond and/or described decomposition unit extension set water shutoff pond, described controller controls corresponding control valve
Open, with by the water in described machine water shutoff house steward by described filling pipe be supplemented to described sedimentation dissolution part machine water shutoff pond with/
Or in described disassembler water shutoff pond.
Owing to using technique scheme, the method have the advantages that
1, after using machine water shutoff blood circulation and the round-robin method of the present invention, owing to settling dissolution part and decomposing part
Machine water shutoff achieves and recycles, and therefore can reduce the consumption of soft water and the cost of sewage disposal, not only environmental protection and also have
Preferably economic benefit.
2, the machine water shutoff blood circulation of the present invention, enters above-mentioned each pump according to the difference of pressure of supply water and output in producing
Row classification, and respectively by there is the circulating pump of different output and pressure of supply water to the supply machine water shutoff of above-mentioned all kinds of pumps, with really
The machine water shutoff supply protecting each pump is stable, realizes effective utilization of the energy simultaneously, greatly reduces the energy consumption in production.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the machine water shutoff blood circulation of first embodiment of the invention.
Fig. 2 is the structural representation of the machine water shutoff blood circulation of second embodiment of the invention.
In accompanying drawing, 100,200-machine water shutoff blood circulation；1-settles dissolution part；2-decomposes part；3-settler overflow pump；
4-settles underflow pump；Water pump of 5-dissolution；6-dissolution secondary water pump；7-dilution pumps；Pump after 8-dilution；9-sedimentation dissolution machine envelope
Pond；10-settles dissolution circulating pump；11,18,52-pipeline；12,17,51-water main；13,14,15,16,19-backwater is total
Pipe；21-mono-line systemic circulation pump；22-vertical plate feeding pump；23-two wires systemic circulation pump；24-classification feeding pump；25-intermediate temperature drop pump；
26-crude liquor pump；27-seminal fluid pump；28-big mother solution pump；29-little mother solution pump；30-blowdown pump；31-raw liquor pump；32-cone nut pump；33-
Causticization pulp pump；34-carbide pulp pump；35-milk of lime pump；The clear pump of 36-ization；37-the first machine water shutoff pond；38-the second machine water shutoff pond；
39-the first circulating pump；40-the second circulating pump；42-machine water shutoff house steward；43-filling pipe；45-control valve；46-lateral；47-
Valve；48-filter；49-water quality impurity detection device；The outer discharge pipe of 50-.
[detailed description of the invention]
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
It should be noted that when assembly is referred to as " being fixed on " another assembly, and it can be directly on another assembly
Or the assembly of location can also be there is.When an assembly is considered as " connection " another assembly, and it can be to be directly connected to
To another assembly or may be simultaneously present positioning component.When an assembly is considered as " being arranged at " another assembly, it
Can be to be set directly on another assembly or may be simultaneously present positioning component.Term as used herein is " vertical
", " level ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field belonging to the present invention
The implication that technical staff is generally understood that is identical.The term used the most in the description of the invention is intended merely to describe tool
The purpose of the embodiment of body, it is not intended that in limiting the present invention.Term as used herein " and/or " include one or more phase
Arbitrary and all of combination of the Listed Items closed.
Referring to Fig. 1, first embodiment of the invention provides a kind of machine water shutoff cyclic system for alumina decomposition system
System 100, including sedimentation dissolution part 1 and decomposition part 2.
Sedimentation dissolution part 1 be provided with settler overflow pump 3, sedimentation underflow pump 4, water pump 5 of dissolution, dissolution secondary water pump 6,
Pump 8, sedimentation dissolution machine water shutoff pond 9, sedimentation dissolution circulating pump 10, pipeline 11, water main 12 and backwater after dilution pumps 7, dilution
House steward 13,14.Wherein, the port of export of settler overflow pump 3 and sedimentation underflow pump 4 is respectively by return main 13 and sedimentation dissolution machine
Water shutoff pond 9 connects, and is recycled to settle dissolution machine water shutoff pond 9 with the machine water shutoff by settler overflow pump 3 and sedimentation underflow pump 4；Dissolution
After water pump 5, dissolution secondary water pump 6, dilution pumps 7 and dilution the port of export of pump 8 respectively by return main 14 with settle molten
Go out machine water shutoff pond 9 to connect, the machine water shutoff of pump 8 after water pump 5 of dissolution, dissolution secondary water pump 6, dilution pumps 7 and dilution to be returned
Receive to sedimentation dissolution machine water shutoff pond 9.Settler overflow pump 3, sedimentation underflow pump 4, water pump 5 of dissolution, dissolution secondary water pump 6, dilute
After releasing pump 7 and dilution, the entrance point of pump 8 is connected with sedimentation dissolution machine water shutoff pond 9 by water main 12 and pipeline 11 respectively.Heavy
Fall dissolution circulating pump 10 is located on pipeline 11, for the water in sedimentation dissolution machine water shutoff pond 9 is passed through pipeline 11 as machine water shutoff
And be back to respectively after water main 12 settler overflow pump 3, sedimentation underflow pump 4, water pump 5 of dissolution, dissolution secondary water pump 6,
Pump 8 after dilution pumps 7 and dilution.
Decompose part 2 be provided with a line systemic circulation pump 21, vertical plate feeding pump 22, two wires systemic circulation pump 23, classification feeding pump 24,
Intermediate temperature drop pump 25, crude liquor pump 26, seminal fluid pump 27, big mother solution pump 28, little mother solution pump 29, blowdown pump 30, raw liquor pump 31, cone nut pump
32, causticization pulp pump 33, carbide pulp pump 34, milk of lime pump 35, change clear pump 36, disassembler water shutoff pond and Decomposition Cycle pump.
In the present embodiment, disassembler water shutoff pond includes the first machine water shutoff pond 37 and the second machine water shutoff pond 38, and decomposition follows
Ring pump includes the first circulating pump 39 and the second circulating pump 40.First circulating pump 39, line systemic circulation pump 21, vertical plate feeding pump 22,
Two wires systemic circulation pump 23, classification feeding pump 24, intermediate temperature drop pump 25 are arranged adjacent to the first machine water shutoff pond 37.Wherein, a line follows greatly
Ring pump 21, vertical plate feeding pump 22, the port of export of two wires systemic circulation pump 23 are connected by a return main 15 and the first machine water shutoff pond 37
Connect, be recycled to the first machine water shutoff pond with the machine water shutoff by a line systemic circulation pump 21, vertical plate feeding pump 22 and two wires systemic circulation pump 23
37；The port of export of classification feeding pump 24 and intermediate temperature drop pump 25 is connected with the first machine water shutoff pond 37 by a return main 16, with
The machine water shutoff of classification feeding pump 24 and intermediate temperature drop pump 25 is recycled to the first machine water shutoff pond 37.One line systemic circulation pump 21, vertical plate
The entrance point of feeding pump 22, two wires systemic circulation pump 23, classification feeding pump 24 and intermediate temperature drop pump 25 is all by a water main 17
And one pipeline 18 be connected with the first machine water shutoff pond 37, the first circulating pump 39 is installed on pipeline 18, with by the first machine water shutoff pond 37
In water be back to a line systemic circulation pump 21, vertical plate feeding pump 22, two wires systemic circulation pump 23, classification feeding respectively as machine water shutoff
Pump 24 and intermediate temperature drop pump 25.
Crude liquor pump 26, seminal fluid pump 27, big mother solution pump 28, little mother solution pump 29, blowdown pump 30, raw liquor pump 31, cone nut pump 32, severe
Change pulp pump 33, carbide pulp pump 34, milk of lime pump 35 and change clear pump 36 and arrange adjacent to the second machine water shutoff pond 38.Crude liquor pump 26, seminal fluid
Pump 27, big mother solution pump 28, little mother solution pump 29, blowdown pump 30, raw liquor pump 31, cone nut pump 32, causticization pulp pump 33, carbide pulp pump 34,
Milk of lime pump 35 and change the port of export of clear pump 36 and be connected, with by crude liquor pump with the second machine water shutoff pond 38 by a return main 19
26, seminal fluid pump 27, big mother solution pump 28, little mother solution pump 29, blowdown pump 30, raw liquor pump 31, cone nut pump 32, causticization pulp pump 33, carbide
Pulp pump 34, milk of lime pump 35 and change the machine water shutoff of clear pump 36 and be recycled to the second machine water shutoff pond 38；Crude liquor pump 26, seminal fluid pump 27, big
Mother solution pump 28, little mother solution pump 29, blowdown pump 30, raw liquor pump 31, cone nut pump 32, causticization pulp pump 33, carbide pulp pump 34, milk of lime pump
35 and change the entrance point of clear pump 36 and be all connected with the second machine water shutoff pond 38, with by second by a water main 51 and a pipeline 52
Water in machine water shutoff pond 38 as machine water shutoff be back to respectively crude liquor pump 26, seminal fluid pump 27, big mother solution pump 28, little mother solution pump 29,
Blowdown pump 30, raw liquor pump 31, cone nut pump 32, causticization pulp pump 33, carbide pulp pump 34, milk of lime pump 35 and change clear pump 36.
In the present embodiment, sedimentation dissolution circulating pump the 10, first circulating pump 39 and the second circulating pump 40 are centrifugal pump.
Further, the pressure of supply water of the first circulating pump 39 is more than the pressure of supply water of the second circulating pump 40, and sedimentation dissolution circulating pump 10
Output less than the output of Decomposition Cycle pump, to adapt to output and the pressure demand of different pump.
Further, machine water shutoff blood circulation 100 also includes that machine water shutoff house steward 42, filling pipe 43 and controller (are schemed not
Show).Sedimentation dissolution machine water shutoff pond 9 and disassembler water shutoff pond are all connected with machine water shutoff house steward 42 by filling pipe 43, filling pipe 43
It is provided with the control valve 45 controlling filling pipe 43 break-make.Under normal circumstances, the following of machine water shutoff of each pump is realized by machine water shutoff pond
Ring utilizes, and now, control valve 45 is closed；When sedimentation dissolution machine water shutoff pond 9 and/or the first machine water shutoff pond 37 and/or the second machine are sealed
During water shortage in pond 38, controller controls the control valve 45 of corresponding filling pipe 43 and opens, with by machine water shutoff house steward 42
Soft water be supplemented to settle dissolution machine water shutoff pond 9 and/or the first machine water shutoff pond 37 and/or the second machine water shutoff pond by filling pipe 43
In 38.
Further, it is additionally provided with liquid level in sedimentation the 9, first machine water shutoff pond, dissolution machine water shutoff pond 37 and the second machine water shutoff pond 38
Controller (not shown), controller is electrically connected with liquid level controller and control valve 45.Liquid level controller is used for monitoring sedimentation dissolution
Water level in the 9, first machine water shutoff pond, machine water shutoff pond 37 and the second machine water shutoff pond 38.When sedimentation dissolution machine water shutoff pond the 9, first machine envelope
When water level in pond 37 and the second machine water shutoff pond 38 is less than a lower threshold, liquid level controller launches a signal to controller,
Controller controls the control valve 45 of corresponding filling pipe 43 and opens, to realize to sedimentation dissolution machine water shutoff pond 9 and/or the first machine envelope
Pond 37 and/or the automatic water supplement in the second machine water shutoff pond 38.In the present embodiment, liquid level controller is Floating Ball Liquid Level Control
Device.
Further, machine water shutoff house steward 42 connect respectively also by lateral 46 settler overflow pump 3, sedimentation underflow pump 4,
Pump 8, one line systemic circulation pump 21, vertical plate feeding pump 22, two after water pump 5 of dissolution, dissolution secondary water pump 6, dilution pumps 7, dilution
Line systemic circulation pump 23, classification feeding pump 24, intermediate temperature drop pump 25, crude liquor pump 26, seminal fluid pump 27, big mother solution pump 28, little mother solution pump
29, blowdown pump 30, raw liquor pump 31, cone nut pump 32, causticization pulp pump 33, carbide pulp pump 34, milk of lime pump 35 and change clear pump 36, branch
Pipeline 46 is provided with the valve 47 controlling break-make.Under normal circumstances, the circulation profit of the machine water shutoff of each pump is realized by machine water shutoff pond
With, now, the valve 47 on lateral 46 is closed；When sedimentation dissolution circulating pump 10 is or/and Decomposition Cycle pump etc.
Breaking down when causing machine water shutoff can not provide smoothly to each pump from machine water shutoff pond, controller controls on respective branch pipeline 46
Valve 47 is opened, to provide machine water shutoff by lateral 46 to each pump by the water in machine water shutoff house steward 42, to guarantee production
It is smoothed out.
In use, the machine water shutoff round-robin method of sedimentation dissolution part 1 is as follows: by sedimentation for machine water shutoff blood circulation 100
Water in sedimentation dissolution machine water shutoff pond 9 is delivered in water main 12 by dissolution circulating pump 10 by pipeline 11, then by supplying water
House steward 12 flow to respectively settler overflow pump 3, sedimentation underflow pump 4, water pump 5 of dissolution, dissolution secondary water pump 6, dilution pumps 7 and
Pump 8 after dilution；And be recycled to settle dissolution machine envelope by return main 13 by the machine water shutoff of settler overflow pump 3, sedimentation underflow pump 4
Pond 9, simultaneously by total by backwater for the machine water shutoff of pump 8 after water pump 5 of dissolution, dissolution secondary water pump 6, dilution pumps 7 and dilution
Pipe 14 is recycled to settle dissolution machine water shutoff pond 9, to realize the recycling of sedimentation dissolution part 1 machine water shutoff.
The machine water shutoff round-robin method decomposing part 2 is as follows: by the first circulating pump 39 by the water in the first machine water shutoff pond 37
It is delivered in water main 17 by pipeline 18, then is delivered to respectively in a line systemic circulation pump 21, vertical plate by water main 17
Material pump 22, two wires systemic circulation pump 23, classification feeding pump 24, intermediate temperature drop pump 25；And by a line systemic circulation pump 21, vertical plate feeding pump
22 and the machine water shutoff of two wires systemic circulation pump 23 be back in the first machine water shutoff pond 37, by classification feeding pump 24 by return main 15
And the machine water shutoff in intermediate temperature drop pump 25 is back in the first machine water shutoff pond 37 by return main 16；By the second circulating pump 40
Water in second machine water shutoff pond 38 is delivered in water main 51 by pipeline 52, then is delivered to respectively by water main 51
Crude liquor pump 26, seminal fluid pump 27, big mother solution pump 28, little mother solution pump 29, blowdown pump 30, raw liquor pump 31, cone nut pump 32, causticization pulp pump
33, carbide pulp pump 34, milk of lime pump 35 and change clear pump 36；And by crude liquor pump 26, seminal fluid pump 27, big mother solution pump 28, little mother solution pump
29, blowdown pump 30, raw liquor pump 31, cone nut pump 32, causticization pulp pump 33, carbide pulp pump 34, milk of lime pump 35 and change the machine of clear pump 36
Water shutoff is back to the second machine water shutoff pond 38 by return main 19, to realize decomposing the recycling of part 2 machine water shutoff.
During alumina decomposition, above-mentioned each pump outer draining 43-65m3, every day soft water outer discharge capacity up to 1032-
1548m3.After using machine water shutoff blood circulation 100 and the round-robin method of the present invention, due to sedimentation dissolution part 1 and decomposition part 2
Machine water shutoff achieve recycling, can reduce every year and outer arrange 376680-565020m3Soft water, reduce soft water consumption and
The cost of sewage disposal, not only environmental protection and also there is preferable economic benefit.Additionally, the machine water shutoff blood circulation 100 of the present invention,
Above-mentioned each pump is classified according to the difference of pressure of supply water and output in producing, and respectively by have different output and
Above-mentioned all kinds of pumps are supplied machine water shutoff by the circulating pump of pressure of supply water, to guarantee that the machine water shutoff of each pump is supplied stable, realize simultaneously
Effective utilization of the energy, greatly reduces the energy consumption in production.
Referring to Fig. 2, a kind of machine water shutoff for alumina decomposition system that second embodiment of the invention provides circulates
System 200, its structure and machine water shutoff round-robin method are essentially identical with embodiment one, and difference is: sedimentation dissolution part 1 and
Decompose and on the return main of part 2, be equipped with filter 48, and be provided with water quality between filter 48 and corresponding machine water shutoff pond
Impurity detection device 49.Filter 48 is for filtering the impurity from the machine water shutoff that above-mentioned each blowback is received, to prevent impurity at machine
Pipeline is blocked during water shutoff circulation；The water quality impurity detection device 49 impurity content in the machine water shutoff monitoring recovery,
And when the impurity content of the machine water shutoff reclaimed is more than a upper limit threshold, machine water shutoff is discharged directly to by an outer discharge pipe 50
One Sewage Disposal (not shown).
It is appreciated that in actual production process, can be as required by settler overflow pump 3, sedimentation underflow pump 4, dissolution
After water pump 5, dissolution secondary water pump 6, dilution pumps 7 and dilution, one or more in pump 8 is with sedimentation dissolution machine water shutoff pond 9 even
Connect.Similarly, can be by vertical plate feeding pump 22, two wires systemic circulation pump 23, classification feeding pump 24 and intermediate temperature drop pump 25
One or several is connected with the first machine water shutoff pond 37, crude liquor pump 26, seminal fluid pump 27, big mother solution pump 28, little mother solution pump 29, blowdown pump
30, raw liquor pump 31, cone nut pump 32, causticization pulp pump 33, carbide pulp pump 34, milk of lime pump 35 and change or several in clear pump 36
It is connected with the second machine water shutoff pond 38,.
It is appreciated that in other embodiments, a machine water shutoff pond and circulating pump can be only set decomposing part 2, this
Time decompose the machine water shutoff of each pump of part 2 and be recycled to this machine water shutoff pond, and by this circulating pump, the water in pond is back to above-mentioned
Machine water shutoff pond.
Described above is the detailed description for the preferable possible embodiments of the present invention, but embodiment is not limited to this
Bright patent claim, the equal change completed under the technical spirit suggested by all present invention or modification change, all should belong to
In the contained the scope of the claims of the present invention.
Claims (10)
1. the machine water shutoff blood circulation for alumina decomposition system, it is characterised in that: include settling dissolution part and dividing
Solve part,
Described sedimentation dissolution part is provided with settler overflow pump, sedimentation underflow pump, water pump of dissolution, dissolution secondary water pump, dilution
Pump, sedimentation dissolution machine water shutoff pond and sedimentation dissolution circulating pump, described settler overflow pump, described sedimentation underflow pump, institute after pump, dilution
One or more stating pump after water pump of dissolution, described dissolution secondary water pump, described dilution pumps and described dilution is heavy with described
Fall dissolution machine water shutoff pond connects, with by described settler overflow pump, described sedimentation underflow pump, water pump of described dissolution, described molten
After going out secondary water pump, described dilution pumps and described dilution, the machine water shutoff of pump is recycled to described sedimentation dissolution machine water shutoff pond, described heavy
Water in described sedimentation dissolution machine water shutoff pond is back to described settler overflow pump, institute as machine water shutoff by fall dissolution circulating pump respectively
State pump after sedimentation underflow pump, water pump of described dissolution, described dissolution secondary water pump, described dilution pumps and described dilution；
Described decomposition unit is arranged with a line systemic circulation pump, vertical plate feeding pump, two wires systemic circulation pump, classification feeding pump, intermediate temperature drop
Pump, crude liquor pump, seminal fluid pump, big mother solution pump, little mother solution pump, blowdown pump, raw liquor pump, cone nut pump, causticization pulp pump, carbide pulp pump, stone
Ash breast pump, change clear pump, disassembler water shutoff pond and Decomposition Cycle pump, a described line systemic circulation pump, described vertical plate feeding pump, described two
Line systemic circulation pump, described classification feeding pump, described intermediate temperature drop pump, described crude liquor pump, described seminal fluid pump, described big mother solution pump,
Described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described
One or more of the clear pump of milk of lime pump, describedization is connected with described disassembler water shutoff pond, with by a described line systemic circulation pump, institute
State vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, described intermediate temperature drop pump, described crude liquor pump, described essence
Liquid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump,
Described carbide pulp pump, described milk of lime pump, the machine water shutoff of the clear pump of describedization are recycled to described disassembler water shutoff pond, and described decomposition follows
Water in described disassembler water shutoff pond is back to a described line systemic circulation pump, described vertical plate feeding as machine water shutoff by ring pump respectively
Pump, described two wires systemic circulation pump, described classification feeding pump, described intermediate temperature drop pump, described crude liquor pump, described seminal fluid pump, described
Big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, described carbide
Pulp pump, described milk of lime pump and the clear pump of describedization.
2. machine water shutoff blood circulation as claimed in claim 1, it is characterised in that: the output of described sedimentation dissolution circulating pump is little
Output in described Decomposition Cycle pump.
3. machine water shutoff blood circulation as claimed in claim 1, it is characterised in that: described disassembler water shutoff pond includes the first machine envelope
Pond and the second machine water shutoff pond, described Decomposition Cycle pump includes the first circulating pump and the second circulating pump, a described line systemic circulation pump,
Described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump and described intermediate temperature drop pump all with described first machine
Water shutoff pond connects, and the water in described first machine water shutoff pond is back to a described line as machine water shutoff by described first circulating pump respectively
Systemic circulation pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump and described intermediate temperature drop pump, described
Crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump,
Described causticization pulp pump, described carbide pulp pump, described milk of lime pump and the clear pump of describedization are all connected with described second machine water shutoff pond, institute
State the second circulating pump and the water in described second machine water shutoff pond is back to described crude liquor pump, described seminal fluid respectively as machine water shutoff
Pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, institute
State carbide pulp pump, described milk of lime pump and the clear pump of describedization.
4. machine water shutoff blood circulation as claimed in claim 3, it is characterised in that: the pressure of supply water of described first circulating pump is more than
The pressure of supply water of described second circulating pump.
5. machine water shutoff blood circulation as claimed in claim 1, it is characterised in that: described machine water shutoff blood circulation also includes that machine seals
Supply mains, filling pipe and controller, described sedimentation dissolution machine water shutoff pond and described disassembler water shutoff pond are all by described filling pipe
Being connected with described machine water shutoff house steward, described filling pipe is provided with the control valve controlling described filling pipe break-make, described sedimentation dissolution
All being additionally provided with liquid level controller in machine water shutoff pond and described disassembler water shutoff pond, described controller is electrically connected with described Liquid level
Device and described control valve.
6. machine water shutoff blood circulation as claimed in claim 5, it is characterised in that: described machine water shutoff house steward is divided by lateral
Do not connect described settler overflow pump, described sedimentation underflow pump, water pump of described dissolution, described dissolution secondary water pump, described dilute
Release after pump, described dilution in pump, a described line systemic circulation pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification
Material pump, described intermediate temperature drop pump, described crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump, described salt discharge
Pump, described raw liquor pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described milk of lime pump and the clear pump of describedization,
Described lateral is provided with the valve controlling break-make.
7. machine water shutoff blood circulation as claimed in claim 1, it is characterised in that: described sedimentation dissolution circulating pump and described decomposition
Circulating pump is centrifugal pump.
8. the machine water shutoff round-robin method of the machine water shutoff blood circulation that a kind uses described in claim 1, it is characterised in that:
By described settler overflow pump, described sedimentation underflow pump, water pump of described dissolution, described dissolution secondary water pump, described dilute
After releasing pump and described dilution, the machine water shutoff of pump is recycled to described sedimentation dissolution machine water shutoff pond, and by described sedimentation dissolution circulating pump
Water in described sedimentation dissolution machine water shutoff pond is back to described settler overflow pump, described sedimentation underflow respectively as machine water shutoff
Pump after pump, water pump of described dissolution, described dissolution secondary water pump, described dilution pumps and described dilution；
By a described line systemic circulation pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, described in
Between lower the temperature pump, described crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described stock solution
The machine water shutoff of pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described milk of lime pump and the clear pump of describedization is reclaimed
To described disassembler water shutoff pond, and by described Decomposition Cycle pump using the water in described disassembler water shutoff pond as machine water shutoff respectively
Be back to a described line systemic circulation pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, described in
Between lower the temperature pump, described crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described stock solution
Pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described milk of lime pump and the clear pump of describedization.
9. machine water shutoff round-robin method as claimed in claim 8, it is characterised in that: described disassembler water shutoff pond includes the first machine envelope
Pond and the second machine water shutoff pond, described Decomposition Cycle pump includes the first circulating pump and the second circulating pump, by a described line systemic circulation
Pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump, the machine water shutoff of described intermediate temperature drop pump are reclaimed
To described first machine water shutoff pond, and by described first circulating pump using the water in described first machine water shutoff pond as machine water shutoff respectively
Be back to a described line systemic circulation pump, described vertical plate feeding pump, described two wires systemic circulation pump, described classification feeding pump and described in
Between lower the temperature pump；By described crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described former
The machine water shutoff of liquid pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described milk of lime pump and the clear pump of describedization is returned
Receive to described second machine water shutoff pond, and by described second circulating pump, the water in described second machine water shutoff pond is divided as machine water shutoff
It is not back to described crude liquor pump, described seminal fluid pump, described big mother solution pump, described little mother solution pump, described blowdown pump, described stock solution
Pump, described cone nut pump, described causticization pulp pump, described carbide pulp pump, described milk of lime pump and the clear pump of describedization.
10. machine water shutoff round-robin method as claimed in claim 7, it is characterised in that: described machine water shutoff blood circulation also includes machine
Water shutoff house steward, filling pipe and controller, described sedimentation dissolution machine water shutoff pond and described disassembler water shutoff pond are all by described moisturizing
Pipe is connected with described machine water shutoff house steward, and described filling pipe is provided with the control valve controlling described filling pipe break-make, described machine water shutoff
Round-robin method is further comprising the steps of, the water in described sedimentation dissolution machine water shutoff pond and/or described decomposition unit extension set water shutoff pond
When amount is not enough, described controller controls corresponding control valve and opens, with by the water in described machine water shutoff house steward by described moisturizing
Pipe is supplemented in described sedimentation dissolution part machine water shutoff pond and/or described disassembler water shutoff pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610559056.XA CN106044814A (en) | 2016-07-15 | 2016-07-15 | Mechanical seal water circulation system for alumina decomposition system and mechanical seal water circulation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610559056.XA CN106044814A (en) | 2016-07-15 | 2016-07-15 | Mechanical seal water circulation system for alumina decomposition system and mechanical seal water circulation method |
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