CN207222948U - A kind of energy-saving tungsten oxide hydrogen reducing system - Google Patents
A kind of energy-saving tungsten oxide hydrogen reducing system Download PDFInfo
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- CN207222948U CN207222948U CN201720405860.2U CN201720405860U CN207222948U CN 207222948 U CN207222948 U CN 207222948U CN 201720405860 U CN201720405860 U CN 201720405860U CN 207222948 U CN207222948 U CN 207222948U
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Abstract
The utility model discloses a kind of energy-saving tungsten oxide hydrogen reducing system, including connecting the hydrogen circulation loop formed from beginning to end by assembly of reduction furnace, hydrogen_cooling dehydration device, drying device, the hydrogen_cooling dehydration device includes sequentially connected scrubbing tower, steam-water separator, the 3rd cooler, dry and cold machine；The entrance of the scrubbing tower is connected with the outlet of assembly of reduction furnace, and the 3rd cooler is equipped with cooling medium inlet and cooling media outlet, and the outlet of the dry and cold machine is connected with cooling medium inlet, and the cooling media outlet is connected with drying device.The system eliminates a heat exchanger on the basis of conventional art, realizes identical function, and effectively reduce the energy consumption.
Description
Technical field
Tungsten powder production equipment field is the utility model is related to, is specially a kind of energy-saving tungsten oxide hydrogen reducing system.
Background technology
Tungsten powder is produced by hydrogen reducing tungsten oxide in the prior art, such as《Tungsten oxide hydrogen reducing prepares ultrafine tungsten powder
Present Research》Guo Feng, Materials Science and Engineering of Powder Metallurgy, in August, 2007, the dew point of the particle diameter and hydrogen that describe tungsten powder are deposited
In close contact, when the dew point of hydrogen is less than -60 DEG C, produces nano-tungsten powder and be possibly realized.
In the art, produce and meet the hydrogen of above-mentioned requirements dew point and have become possibility, the scheme that it is used is most
As Fig. 1 describe, in Fig. 1 including sequentially connected reduction furnace A, leaching device B, steam-water separator R, the first air blower C, first heat
Exchanger D, the first steam-water separator E, second heat exchanger F, the second steam-water separator G, two molecular sieve drying tower H in parallel
Head and the tail connection forms hydrogen reducing circuit；Second heat exchanger F, as cooling agent, is additionally included using the refrigerant of cooling driers X
3rd heat exchanger I, the 3rd steam-water separator J, the second air blower K, heater L, two molecular sieve drying tower H head and the tail in parallel
The drying tower hydrogen circulation loop being connected to form；Between heater L, molecular sieve drying tower H and two molecular sieve drying towers
Valve V be must be provided between H to control a molecular sieve drying tower H at work, another molecular sieve drying tower H is in again
Raw state.
As seen in Figure 1, if the hydrogen tail gas after reduction be dehydrated, at least to pass through three-level and cool down,
That is leaching device B, first heat exchanger D, second heat exchanger F (cooling driers X) are cooled down, its energy consumption is very big.
Utility model content
The purpose of this utility model is to provide a kind of energy-saving tungsten oxide hydrogen reducing system, the system is in conventional art
On the basis of eliminate a heat exchanger, realize identical function, and effectively reduce the energy consumption.
To achieve the above object, the utility model provides following technical solution：A kind of energy-saving tungsten oxide hydrogen reducing system
System, including the hydrogen circulation loop formed is connected by assembly of reduction furnace, hydrogen_cooling dehydration device, drying device from beginning to end, it is described
Hydrogen_cooling dehydration device include sequentially connected scrubbing tower, steam-water separator, the 3rd cooler, dry and cold machine；Described washes
Wash the entrance of tower with the outlet of assembly of reduction furnace to be connected, the 3rd cooler is equipped with cooling medium inlet and cooling medium
Outlet, the outlet of the dry and cold machine are connected with cooling medium inlet, and the cooling media outlet is connected with drying device.
In above-mentioned energy-saving tungsten oxide hydrogen reducing system, the drying device includes four-way valve, the first cooling
Device, the second cooler, the first drying tower, the second drying tower；Heating is equipped with first drying tower and the second drying tower
First gas interface, first drying tower are equipped with the tower wall of unit, first drying tower and the second drying tower
Second gas interface is equipped with the heating unit of the second drying tower；
First interface, the first cooler, the first gas interface of the first drying tower of the four-way valve are sequentially communicated；
Second interface, the second cooler, the first gas interface of the second drying tower of the four-way valve are sequentially communicated；
The 3rd interface and the 4th interface of the four-way valve are respectively connected to the outlet of hydrogen_cooling dehydration device
And entrance；
The second gas interface of first drying tower, the second gas interface of the second drying tower, assembly of reduction furnace
Entrance three connects.
In above-mentioned energy-saving tungsten oxide hydrogen reducing system, further include and mended for the hydrogen of the hydrogen make-up into system
Fill and put.
In above-mentioned energy-saving tungsten oxide hydrogen reducing system, the hydrogen make device is connected to steam-water separation
Between device, the 3rd cooler.
In above-mentioned energy-saving tungsten oxide hydrogen reducing system, the assembly of reduction furnace includes two reduction in parallel
Stove, the second gas of the entrances of described two reduction furnaces the second gas interface with the first drying tower, the second drying tower respectively
Orifice, the outlet of described two reduction furnaces are connected with hydrogen_cooling dehydration device respectively.
In above-mentioned energy-saving tungsten oxide hydrogen reducing system, the outlet of reduction furnace and entrance are equipped with valve.
In above-mentioned energy-saving tungsten oxide hydrogen reducing system, the second gas interface of first drying tower,
Flow control valve is equipped with the second gas interface of two drying towers.
Compared with prior art, the beneficial effects of the utility model are：The utility model is by dry and cold machine hydrogen after cooling
It imported into the 3rd cooler and is used as refrigerant, energy consumption can be effectively reduced, and reduce equipment investment, due to hydrogen flowing quantity
It is larger, it is excellent compared to traditional cooling by water, its cooling effect.
Brief description of the drawings
Fig. 1 is the flow chart of the background technology of the utility model；
Fig. 2 is the flow chart under a kind of working status of the embodiment of the utility model；
Fig. 3 is the flow chart under another working status of the embodiment of the utility model.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
Embodiment 1
Refer to Fig. 2 and 3, a kind of energy-saving tungsten oxide hydrogen reducing system provided by the utility model, including by reducing
Furnace apparatus 3, hydrogen_cooling dehydration device 2, drying device 1 connect the hydrogen circulation loop of formation, the hydrogen_cooling from beginning to end
Dehydration device 2 includes sequentially connected scrubbing tower 21, steam-water separator 22, the 3rd cooler 23, dry and cold machine 24；The washing
The entrance of tower 21 is connected with the outlet of assembly of reduction furnace 3, and the 3rd cooler 23 is equipped with cooling medium inlet 25 and cold
But media outlet 26, the outlet of the dry and cold machine 24 are connected with cooling medium inlet 25, the cooling media outlet 26 with
Drying device 1 connects.
In the actual production process, the temperature of the exporting hydrogen tail gas of assembly of reduction furnace 3 is up to hundreds of DEG C, first by washing
21 dedusting of tower cooling is washed, carbonated drink classification is then carried out by steam-water separator 22, then in turn through the 3rd cooler 23, dry and cold
Machine 24 cools down, and in the process, the coolant media of the 3rd cooler 23 is hydrogen tail gas after cooling in dry and cold machine 24, first,
Hydrogen tail gas is introduced into the tube side of the 3rd cooler 23, is then out entered from the outlet of the tube side of the 3rd cooler 23
Cooled down in dry and cold machine, then into cooling medium inlet 25 and cool down the shell side that media outlet 26 is the 3rd cooler 23
The middle cooling medium as the 3rd cooler 23.Whole cooling procedure actually only needs dry and cold machine to provide the output for cooling down power
.Compared to traditional system, its good cooling results, energy-saving efficiency are high, cooling ring section energy-saving effect improve 20% with
On.
The drying device 1 includes four-way valve 11, the first cooler 12, the second cooler 13, the first drying tower 14, the
Two drying towers 15；Heating unit 16, the described first drying are equipped with first drying tower 14 and the second drying tower 15
First gas interface 17, first drying tower 14 and the second drying tower are equipped with the tower wall of 14 and second drying tower 15 of tower
Second gas interface 18 is equipped with 15 heating unit 16；Heating unit 16 can generally be heated single with selected as electric heating wire
Member 16 is generally located on the center of drying tower.
First interface 11A, the first cooler 12, the first gas interface of the first drying tower 14 of the four-way valve 11
17 are sequentially communicated；
Second interface 11B, the second cooler 13, the first gas interface of the second drying tower 15 of the four-way valve 11
17 are sequentially communicated；
The 3rd interface 11C and the 4th interface 11D of the four-way valve 11 is respectively connected to hydrogen_cooling dehydration dress
Put 2 outlet and entrance；The outlet of the i.e. described dry and cold machine 24 is connected with the 3rd of four-way valve 11 the interface 11C, the vapour
The entrance of separator 22 is connected with the 4th interface 11D of four-way valve 11.The entrance of the steam-water separator 22 of the present embodiment can
To be interpreted as the entrance of hydrogen_cooling dehydration device 2 above, the moisture content that dried medium regeneration produces in actual production is high
If hydrogen output into scrubbing tower 21 not cannot, simply by regeneration produce hydrogen and do not contain powder impurity, be
For the sake of easy, the entrance of hydrogen_cooling dehydration device 2 is preferably the entrance of steam-water separator 22.
The second gas interface 18 of first drying tower 14, the second gas interface 18 of the second drying tower 15, reduction
The entrance three connection of furnace apparatus 3.
In the actual course of work, four-way valve 11 can be in two states：
Such as Fig. 3, when the first drying tower 14 regenerates, the work of the second drying tower 15 when, first interface 11A of four-way valve 11,
4th interface 11D connection, the hydrogen that the moisture content of the first drying tower 14 regeneration generation is high pass through the first cooler 12, four-way valve
11 enter the entrance of hydrogen_cooling dehydration device 2；Second interface 11B and the 3rd interface 11C connections of four-way valve 11,
Second drying tower 15 conveys hydrogen_cooling dehydration device 2 after the hydrogen to come carries out absorbent drying and is transported to assembly of reduction furnace 3
In the heating unit 16 of middle restoring tungsten oxide and the first drying tower 14 in the first drying tower 14 dried medium (such as silica gel or
Molecular sieve) regenerated.
In the process, high-temperature hydrogen can be present in 17 and first cooler 12 of first gas interface of the first drying tower 14
Between pipeline in, which need not set any valve, therefore the system of the present embodiment is not in any high temperature
Cause the risk of valve leaks.
Similarly, such as Fig. 2, when the second drying tower 15 regenerates, the work of the first drying tower 14 when, it is necessary to by four-way valve 11 second
A interface 11B, the 4th interface 11D connection；First interface 11A and the 3rd interface 11C connections of four-way valve 11 at the same time,
It can thus realize the conversion of drying tower operating mode, its operation principle is with reference to above.
In the present embodiment, the amount of hydrogen can clearly reduce after the reduction of reduction furnace 31, in order to avoid hydrogen in system
Atmospheric pressure deficiency, the system further include the hydrogen make device 4 for the hydrogen make-up into system, the hydrogen make device
4 are connected in hydrogen_cooling dehydration device 2, it specifically sets position not have stringent limitation.
In the present embodiment, the assembly of reduction furnace 3 includes two reduction furnaces 31 in parallel, described two reduction furnaces
The second gas interface 18 with the first drying tower 14, the second gas interface 18 of the second drying tower 15 connect 31 entrance respectively,
The outlet of two reduction furnaces 31 is connected with hydrogen_cooling dehydration device 2 respectively, and the outlet of reduction furnace 31 and entrance are all provided with
There is valve.
The in parallel of two reduction furnaces 31 is intended that a reduction furnace 31 works, another reduction furnace 31 is spare.
In order to improve the ratio of reduction hydrogen and regeneration hydrogen, the second gas interface of first drying tower 14
18th, it is equipped with flow control valve 19 on the second gas interface 18 of the second drying tower 15；Such as when the first drying tower 14 regenerates,
Second drying tower 15 work when, by controlling flow control valve 19, can adjust the first drying tower 14 heating unit 16 into
Tolerance, and then ensure the pressure of hydrogen in drying oven.Therefore it is necessary, can the entrance of drying oven set pressure sensor or
Pressure gauge, for the adjusting of the aperture of flow control valve 19.
Another advantage of the present embodiment is, heating unit 16 is integrated into drying tower, and the first drying tower
14 and first need not set valve between cooler 12, between the second drying tower 15 and the second cooler 13, so avoid
Influence of the high-temperature hydrogen to valve；The utility model realizes one by a four-way valve 11 and to the reasonable reformation of pipeline
The purpose that a Valve controlling the first drying tower 14, the second drying tower 15 switch between each other, makes operation more simplified, while this reality
Reduced with new number of devices, reduce system investments.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The scope of type is indicated by the appended claims rather than the foregoing description, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (7)
1. a kind of energy-saving tungsten oxide hydrogen reducing system, including by assembly of reduction furnace, hydrogen_cooling dehydration device, drying device
The hydrogen circulation loop that head and the tail connection is formed, it is characterised in that：The hydrogen_cooling dehydration device includes sequentially connected wash
Wash tower, steam-water separator, the 3rd cooler, dry and cold machine；The entrance of the scrubbing tower is connected with the outlet of assembly of reduction furnace, institute
The 3rd cooler stated is equipped with cooling medium inlet and cooling media outlet, and outlet and the cooling medium of the dry and cold machine enter
Mouth connection, the cooling media outlet are connected with drying device.
2. energy-saving tungsten oxide hydrogen reducing system according to claim 1, it is characterised in that：The drying device bag
Include four-way valve, the first cooler, the second cooler, the first drying tower, the second drying tower；First drying tower and second dry
It is equipped with heating unit in dry tower, first gas interface is equipped with the tower wall of first drying tower and the second drying tower,
Second gas interface is equipped with first drying tower and the heating unit of the second drying tower；
First interface, the first cooler, the first gas interface of the first drying tower of the four-way valve are sequentially communicated；
Second interface, the second cooler, the first gas interface of the second drying tower of the four-way valve are sequentially communicated；
The 3rd interface and the 4th interface of the four-way valve are respectively connected to the outlet of hydrogen_cooling dehydration device and enter
Mouthful；
The second gas interface of first drying tower, the second gas interface of the second drying tower, the entrance of assembly of reduction furnace
Three connects.
3. energy-saving tungsten oxide hydrogen reducing system according to claim 1, it is characterised in that further include and be used for system
The hydrogen make device of interior hydrogen make-up.
4. energy-saving tungsten oxide hydrogen reducing system according to claim 3, it is characterised in that the hydrogen make dress
Put and be connected between steam-water separator, the 3rd cooler.
5. energy-saving tungsten oxide hydrogen reducing system according to claim 2, it is characterised in that the assembly of reduction furnace
Include two reduction furnaces in parallel, the entrances of described two reduction furnaces the second gas interface with the first drying tower, the respectively
The second gas orifice of two drying towers, the outlet of described two reduction furnaces are connected with hydrogen_cooling dehydration device respectively.
6. energy-saving tungsten oxide hydrogen reducing system according to claim 5, it is characterised in that the outlet of reduction furnace and enter
Mouth is equipped with valve.
7. according to any energy-saving tungsten oxide hydrogen reducing system of claim 2,5,6, it is characterised in that described the
Flow control valve is equipped with the second gas interface of one drying tower, the second gas interface of the second drying tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720405860.2U CN207222948U (en) | 2017-04-17 | 2017-04-17 | A kind of energy-saving tungsten oxide hydrogen reducing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720405860.2U CN207222948U (en) | 2017-04-17 | 2017-04-17 | A kind of energy-saving tungsten oxide hydrogen reducing system |
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| Publication Number | Publication Date |
|---|---|
| CN207222948U true CN207222948U (en) | 2018-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720405860.2U Withdrawn - After Issue CN207222948U (en) | 2017-04-17 | 2017-04-17 | A kind of energy-saving tungsten oxide hydrogen reducing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984824A (en) * | 2017-04-17 | 2017-07-28 | 河源普益硬质合金厂有限公司 | A kind of energy-saving tungsten oxide hydrogen reducing system |
-
2017
- 2017-04-17 CN CN201720405860.2U patent/CN207222948U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106984824A (en) * | 2017-04-17 | 2017-07-28 | 河源普益硬质合金厂有限公司 | A kind of energy-saving tungsten oxide hydrogen reducing system |
| CN106984824B (en) * | 2017-04-17 | 2023-10-03 | 河源普益硬质合金厂有限公司 | Energy-saving tungsten oxide hydrogen reduction system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180413 Effective date of abandoning: 20231003 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180413 Effective date of abandoning: 20231003 |