CN209194022U - A kind of utilization system of Tungsten smelting autoclaving process waste heat - Google Patents
A kind of utilization system of Tungsten smelting autoclaving process waste heat Download PDFInfo
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- CN209194022U CN209194022U CN201821484863.0U CN201821484863U CN209194022U CN 209194022 U CN209194022 U CN 209194022U CN 201821484863 U CN201821484863 U CN 201821484863U CN 209194022 U CN209194022 U CN 209194022U
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- valve
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- basic pressure
- steam
- water separator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a kind of utilization systems of Tungsten smelting autoclaving process waste heat, including basic pressure digestion kettle and sink, the upper end of the basic pressure digestion kettle is respectively arranged with basic pressure digestion kettle blow-off valve and exhaust valve, and an interface of a drainage conduit to the left side upper end of water separator is connected in basic pressure digestion discharge valve outlet, an interface of lower end on the left of an exhaust pipe to water separator is connected at exhaust valve simultaneously, an interface of lower end connects first valve on the left of the water separator, the sink upper end connects second valve, and second valve, first valve is sequentially connected with exhaust valve.A kind of utilization system of Tungsten smelting autoclaving process waste heat described in the utility model, the steam waste heat that autoclaving process can be made full use of to generate, provides heat for subsequent handling, improves the utilization efficiency of the energy, energy-saving, has better prospect of the application.
Description
Technical field
The utility model relates to Tungsten smelting field, in particular to a kind of utilization system of Tungsten smelting autoclaving process waste heat.
Background technique
The Tungsten smelting technique of " basic pressure digestion+acid system extraction " is used to be with wolframite or scheelite or black and white mixing tungsten ore
Raw material, basic pressure digestion process refer to piece alkali or soda ash (Na2CO3) leach tungsten mineral in tungsten, so that tungsten is entered the process of solution, should
Process carries out in basic pressure digestion kettle, completes at 0.5~1.2MPa of pressure and 135~210 DEG C of temperature of process conditions.Due to
Technological temperature is higher, and autoclaving process can generate a large amount of steam, contains amount of heat.Since pressure is very high in kettle, as discharge is previous
It can artificially unload and be depressed into 0.5~0.6MPa or so, a large amount of steam can be discharged in when release, then discharge, and also there are a large amount of steam in when discharge
It is discharged together with material, purification process, which refers to, to be leached autoclaving, be separated by solid-liquid separation obtained coarse sodium tungstate arsenic removal phosphorus silicon etc.
Solvable tungsten in slag must be washed after separation of solid and liquid by the process of impurity with 70 DEG C or so of water, and purification process must use steam will
Solution is heated to 80 DEG C or more.Therefore, the steam heating water that can have not only generated autoclaving process is used for washery slag, but available steam with to
The coarse sodium tungstate of purification carries out heat exchange, preheats to coarse sodium tungstate, energy saving；And the prior art can not be sufficiently sharp
The steam waste heat generated with autoclaving process, provides heat for subsequent handling, reduces the utilization efficiency of the energy, and energy consumption is higher,
Certain influence is brought in actual use process, for this purpose, it is proposed that a kind of Tungsten smelting autoclaving process waste heat utilizes system
System.
Utility model content
The main purpose of the utility model is to provide a kind of utilization systems of Tungsten smelting autoclaving process waste heat, can be effective
Solve the problems in background technique.
To achieve the above object, the technical solution that the utility model is taken are as follows:
A kind of utilization system of Tungsten smelting autoclaving process waste heat, including basic pressure digestion kettle and sink, the basic pressure digestion kettle it is upper
End two sides are respectively arranged with basic pressure digestion kettle blow-off valve and exhaust valve, and exhaust valve is located on the right side of basic pressure digestion kettle blow-off valve, also in alkali
Autoclaving kettle discharge valve outlet connects an interface of a drainage conduit to the left side upper end of water separator, while in exhaust
An interface of lower end on the left of an exhaust pipe to water separator, lower end on the left of the water separator are connected at valve
An interface connect first valve, the sink upper end connects second valve, and the second valve, the first valve
It is sequentially connected with exhaust valve, the lower end of the water separator is equipped with a discharge groove, and the right side of water separator
One heat exchanger is installed, net preceding coarse sodium tungstate storage tank is provided on the right side of the discharge groove.
Preferably, the upper cover of heat exchanger partition is divided into two, steam on the left of the heat exchanger upper end into
Into going out on the right side of the heat exchanger from upper end outlet at mouthful.
Preferably, a release exhaust pipe is provided through in the sink, which protrudes into inside sink extremely
Slot bottom, sink external application thermal insulation material cladding.
Preferably, the heat transferring medium of the heat exchanger is steam and sodium tungstate solution, and it uses tubular heat exchanger,
Steam walks tube side, and solution walks shell side.
Compared with prior art, the utility model has the following beneficial effects: the utilization of the Tungsten smelting autoclaving process waste heat
System, a large amount of steam waste heats for making full use of autoclaving process to generate provide heat for subsequent handling, improve the energy in production process
Utilization efficiency, energy conservation and environmental protection, reduce energy consumption, have better practicability.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram using system of Tungsten smelting autoclaving process waste heat of the utility model.
In figure: 1, basic pressure digestion kettle；2, basic pressure digestion kettle blow-off valve；3, exhaust valve；4, drainage conduit；5, exhaust pipe；6, sink；7,
Second valve；8, the first valve；9, water separator；10, discharge groove；11, heat exchanger；12, partition；13, net preceding thick tungsten
Acid sodium solution storage tank.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1, a kind of utilization system of Tungsten smelting autoclaving process waste heat, including basic pressure digestion kettle 1 and sink 6, it is described
The upper end two sides of basic pressure digestion kettle 1 are respectively arranged with basic pressure digestion kettle blow-off valve 2 and exhaust valve 3, and exhaust valve 3 is located at basic pressure digestion kettle row
Expect 2 right side of valve, also exports one drainage conduit 4 of connection to the one of the left side upper end of water separator 9 in basic pressure digestion kettle blow-off valve 2
A interface, while an interface of the exhaust pipe 5 to 9 left side lower end of water separator, institute are connected at exhaust valve 3
An interface for stating 9 left side lower end of water separator connects first valve 8,6 upper end of sink connection one the
Two valves 7, and the second valve 7, the first valve 8 are sequentially connected with exhaust valve 3, the lower end of the water separator 9 is equipped with
One discharge groove 10, and the right side of water separator 9 is equipped with a heat exchanger 11, the right side of the discharge groove 10 is set
It is equipped with net preceding coarse sodium tungstate storage tank 13；
The upper cover of heat exchanger 11 partition 12 is divided into two, and steam is from 11 left side upper end entrance of heat exchanger
Into going out from 11 right side upper end outlet of heat exchanger；A release exhaust pipe is provided through in sink 6, the release exhaust pipe
It protrudes into inside sink 6 to slot bottom, 6 external application thermal insulation material of sink cladding；The heat transferring medium of heat exchanger 11 is steam and sodium tungstate
Solution, and it uses tubular heat exchanger, steam walks tube side, and solution walks shell side.
It should be noted that the utility model is a kind of utilization system of Tungsten smelting autoclaving process waste heat, when autoclaving is completed,
Pressure is about 1.0MPa in kettle, and temperature is about 200 DEG C, a large amount of steam comprising generation during material ore pulp and autoclaving in kettle,
These steam can be used in production, concrete operations are as follows:
It is vented stress-relief process, first opens the second valve 7 and the first valve 8 between sink 6 and water separator 9, with
And the exhaust valve 3 on 1 right side of basic pressure digestion kettle, steam are quick along the exhaust pipe 5 on basic pressure digestion kettle 1 under the action of pressure in kettle
Discharge opens the second valve 7 and closes the first valve 8, steam enters sink if water temperature is not enough (must reach 70 DEG C or so) in sink 6
6 directly heat condensed water for washery slag；In addition, can also open the first valve 8 closes the second valve 7, this fills steam from steam-water separation
The opening for setting 9 left side lower ends enters, and after steam-water separation filters out moisture, drop is from 9 left side upper end opening stream of water separator
Into discharge groove 10, steam is discharged into the left side upper end opening of heat exchanger 11 from 9 top opening of water separator, together
When, coarse sodium tungstate to be clean is pumped into the right side lower ending opening of heat exchanger 11 from storage tank, heat exchange is carried out between the two,
This is a continuous process, and steam is from 11 left side upper end opening of heat exchanger into from 11 right side upper end opening of heat exchanger
Out, solution is brought out from 11 right side lower end of heat exchanger under 11 left side of heat exchanger, returns to net preceding coarse sodium tungstate storage tank
In 13；
Discharging process closes the exhaust valve 3 on 1 right side of basic pressure digestion kettle, first as the near 0.5~0.6MPa of pressure in kettle
The valve of valve and basic pressure digestion kettle 1 in drainage conduit 4 is opened afterwards, and material ore pulp enters water separator 9 along drainage conduit 4 in kettle
Left side upper end opening, high-temperature material is discharged rapidly while generating a large amount of steam, after steam-water separation filters out moisture, after drop collects
It is flow in discharge groove 10 from 9 lower ending opening of water separator together with material, steam is from 9 upper end opening of water separator
It is discharged into the left side upper end opening of heat exchanger 11, for preheating coarse sodium tungstate, the process and noted earlier consistent, directly
Material drains in kettle；
Sink 6 can supplement originally dedicated for collecting the steam condensate (SC) in entire production process when liquid level is inadequate
Water, exhaust pipe 5 should protrude into extremely close to slot bottom in sink 6, and 6 external application thermal insulation material of sink coats.
Water separator 9 include at least one level steam-water separator, inside have rotational flow plate defroster or other can be by moisture liquid
Drip the functional component separated from steam.
The left side upper port of heat exchanger 11 constitutes the tube side of tubular heat exchanger, heat to the stroke between the upper port of right side
Stroke of the left side lower port of exchanger 11 between the lower port of right side constitutes the shell side of tubular heat exchanger, through carbonated drink point
Tube side is walked from purified steam, coarse sodium tungstate walks shell side, carries out heat exchange between the two.The bottom end of heat exchanger 11 is
Steam condensate (SC) outlet.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of utilization system of Tungsten smelting autoclaving process waste heat, including basic pressure digestion kettle (1) and sink (6), it is characterised in that: institute
The upper end two sides for stating basic pressure digestion kettle (1) are respectively arranged with basic pressure digestion kettle blow-off valve (2) and exhaust valve (3), and exhaust valve (3) is located at
On the right side of basic pressure digestion kettle blow-off valve (2), also it is open in basic pressure digestion kettle blow-off valve (2) and connects a drainage conduit (4) to steam-water separation dress
An interface of the left side upper end of (9) is set, while connecting an exhaust pipe (5) to water separator at exhaust valve (3)
(9) interface of an interface of left side lower end, water separator (9) left side lower end connects first valve
Door (8), sink (6) upper end connect second valve (7), and the second valve (7), the first valve (8) and exhaust valve (3)
It is sequentially connected, the lower end of the water separator (9) is equipped with a discharge groove (10), and the right side of water separator (9)
Side is equipped with a heat exchanger (11), and net preceding coarse sodium tungstate storage tank (13) is provided on the right side of the discharge groove (10).
2. a kind of utilization system of Tungsten smelting autoclaving process waste heat according to claim 1, it is characterised in that: the heat is handed over
The upper cover of parallel operation (11) is divided into two with partition (12), and steam is from upper end entrance on the left of heat exchanger (11) into from heat
Go out at upper end outlet on the right side of exchanger (11).
3. a kind of utilization system of Tungsten smelting autoclaving process waste heat according to claim 1, it is characterised in that: the sink
(6) it is provided through a release exhaust pipe in, it is internal to slot bottom, sink (6) external application guarantor which protrudes into sink (6)
Adiabator cladding.
4. a kind of utilization system of Tungsten smelting autoclaving process waste heat according to claim 1, it is characterised in that: the heat is handed over
The heat transferring medium of parallel operation (11) is steam and sodium tungstate solution, and it uses tubular heat exchanger, and steam walks tube side, and solution walks shell
Journey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821484863.0U CN209194022U (en) | 2018-09-12 | 2018-09-12 | A kind of utilization system of Tungsten smelting autoclaving process waste heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821484863.0U CN209194022U (en) | 2018-09-12 | 2018-09-12 | A kind of utilization system of Tungsten smelting autoclaving process waste heat |
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| CN209194022U true CN209194022U (en) | 2019-08-02 |
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| CN201821484863.0U Active CN209194022U (en) | 2018-09-12 | 2018-09-12 | A kind of utilization system of Tungsten smelting autoclaving process waste heat |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728638A (en) * | 2018-09-12 | 2018-11-02 | 江钨世泰科钨品有限公司 | A kind of utilization method and system of Tungsten smelting autoclaving process waste heat |
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2018
- 2018-09-12 CN CN201821484863.0U patent/CN209194022U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108728638A (en) * | 2018-09-12 | 2018-11-02 | 江钨世泰科钨品有限公司 | A kind of utilization method and system of Tungsten smelting autoclaving process waste heat |
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