CN109266810A - A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit - Google Patents
A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit Download PDFInfo
- Publication number
- CN109266810A CN109266810A CN201811174354.2A CN201811174354A CN109266810A CN 109266810 A CN109266810 A CN 109266810A CN 201811174354 A CN201811174354 A CN 201811174354A CN 109266810 A CN109266810 A CN 109266810A
- Authority
- CN
- China
- Prior art keywords
- filter
- mechanical pump
- novel
- drying oven
- extraction unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000605 extraction Methods 0.000 title claims abstract description 18
- 238000001291 vacuum drying Methods 0.000 title claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 239000000428 dust Substances 0.000 claims abstract description 12
- 238000007664 blowing Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 210000004907 gland Anatomy 0.000 claims description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims 1
- 238000006356 dehydrogenation reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000035699 permeability Effects 0.000 abstract description 3
- 239000003063 flame retardant Substances 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- VDUVBBMAXXHEQP-SLINCCQESA-M oxacillin sodium Chemical compound [Na+].N([C@@H]1C(N2[C@H](C(C)(C)S[C@@H]21)C([O-])=O)=O)C(=O)C1=C(C)ON=C1C1=CC=CC=C1 VDUVBBMAXXHEQP-SLINCCQESA-M 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/10—Handling in a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/70—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter
- B01D46/71—Regeneration of the filtering material or filter elements inside the filter by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter with pressurised gas, e.g. pulsed air
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Drying Of Solid Materials (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention provides a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit, it successively include VD vacuum tank, coarse filter, gas cooler, fine filter and automatic spraying device according to dedusting sequence, coarse filter is power back-blowing filter, and is connected respectively with VD vacuum tank and gas cooler by cleaning shaft；Fine filter is dust filter unit, is equally connected respectively with gas cooler and automatic spraying device by cleaning shaft.High temperature dusty gas of the present invention can be realized 5 ㎎/m3 discharge after dedusting, not have a negative impact for mechanical pump ontology；Fine filter can be realized fire-retardant, and 500 DEG C resistant to high temperatures or more, scaling loss failure no longer occurs in filter core；System entirety pressure difference is can be controlled within 10pa, and gas permeability meets technique dehydrogenation requirement.
Description
Technical field
The invention belongs to smelting equipment fields, and in particular to a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit.
Background technique
Large area uses VD furnace mechanical pump on the market due to its power savings advantages is obvious, but the VD of most of iron and steel enterprises is true
Empty mechanical kiln all suffers from following problems:
One, most VD system is all made of bag filter currently on the market, bag filter high temperature resistant highest only 200
Degree, can not resist open fire and high temperature, failure risk is high.
Two, the technique that the contradictory relation of filtering accuracy unstability, gas permeability and filtering accuracy influences total system takes off
Hydrogen processing capacity.
Three, VD dedusting dust easily burns, and contacts with air and is likely to occur combustion phenomena.
Therefore, developing one kind in view of the above problems has high filtering precision and dehydrogenation demand, and the VD machine of dedusting safety
It is those skilled in the art institute urgent need to solve the problem that tool, which pumps vacuum drying oven dust-extraction unit,.
Summary of the invention
To solve the above problems, the invention discloses a kind of novel VD mechanical pump vacuum drying oven dust-extraction units.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit, successively includes VD vacuum tank, coarse filter, gas according to dedusting sequence
Cooler, fine filter and automatic spraying device, coarse filter are power back-blowing filter, and true with VD respectively by cleaning shaft
Slack tank and gas cooler are connected；Fine filter is dust filter unit, equally by cleaning shaft respectively with gas cooling
Device and automatic spraying device are connected.
Further, automatic spraying device is automatic nitrogen blowing device.
Further, fine filter is the dust filter unit as made of at least two cartridge combinations.
Further, back-fire relief strainer valve is also fitted in coarse filter.
Further, the quantity of VD vacuum tank is two, is connected respectively by cleaning shaft with gas cooler, and VD
Cleaning shaft between vacuum tank and gas cooler includes vacuum tank segment pipe and cooler segment pipe；Vacuum tank segment pipe
Quantity be two, be connected respectively with the cooperation of two VD vacuum tanks；The quantity of cooler segment pipe is one, with gas cooler
It is connected, and cooler segment pipe is mutually installed by turning gland and two vacuum tank segment pipe cooperations.
Further, vacuum tank segment pipe and cooler segment pipe pass through the broken empty noise reduction of manual vacuum butterfly valve connection
Device.
Further, the same manual vacuum butterfly valve that passes through of cleaning shaft between fine filter and automatic spraying device connects
Broken sky muffler.
Further, gas cooler and fine filter are fitted with inflatable powder special service valve.
The present invention provides a kind of novel VD mechanical pump vacuum drying oven dust-extraction units, according to dedusting sequence successively by VD vacuum
Tank, coarse filter, gas cooler, fine filter and automatic spraying device composition.VD vacuum tank quantity is two, by removing
Dirt pipeline is connected with gas cooler, and the cleaning shaft between VD vacuum tank and gas cooler includes vacuum tank segment pipe
And cooler segment pipe；The quantity of vacuum tank segment pipe is two, is connected respectively with two VD vacuum tank cooperations；Cooler section
The quantity of pipeline is one, is connected with gas cooler, and cooler segment pipe passes through turning gland and two vacuum tank sections
Tube fit is mutually installed；Coarse filter selects power back-blowing filter, can preferentially be filtered large dust particle in gas, prevent
Large dust particle with Mars enters subsequent fine filter with gas, while coarse filter is after every use, moreover it is possible to
Enough cleared up automatically by purge gas of vacuum when broken empty.High-temperature gas is mainly passed through cyclone type by gas cooler
Dust-extraction unit carry out heat exchange, a large amount of solid matter water pipes are contained in gas cooler, enable the gas temperature after heat exchange
Reach room temperature.Fine filter is the dust filter unit as made of at least two cartridge combinations, and filter core precision reaches 25 μm, filter core material
Matter is metal, therefore its high temperature resistant is up to 500 DEG C, and filtered fuel gas and dust concentration is can be controlled within 5 ㎎/m3.From
Dynamic blowing device is selected as automatic nitrogen blowing device, by the way that matched jetting pressure and flow is arranged, it can be achieved that fine filter
Use steady in a long-term, and guarantee the pressure difference during high vacuum be less than 10pa within, without being made to vacuum dehydrogenation ability
At influence.
Compared with prior art, the present invention high-temperature dust gas can be realized 5 ㎎/m3 discharge after dedusting, for machinery
Pump ontology does not have a negative impact；Fine filter can be realized fire-retardant, and 500 DEG C resistant to high temperatures or more, scaling loss failure no longer occurs in filter core；
System entirety pressure difference is can be controlled within 10pa, and gas permeability meets technique dehydrogenation requirement.
Detailed description of the invention
Fig. 1, structural schematic diagram of the invention.
Reference signs list: VD vacuum tank 1, coarse filter 2, gas cooler 3, fine filter 4, automatic spraying device 5,
Cleaning shaft 6, back-fire relief strainer valve 7, vacuum tank segment pipe 8, cooler segment pipe 9, turning gland 10, manual vacuum butterfly valve 11,
Broken sky muffler 12, inflatable powder special service valve 13.
Specific embodiment
Technical solution provided by the invention is described in detail below with reference to specific embodiment, it should be understood that following specific
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.
It is as shown in Figure 1 structural schematic diagram of the invention, the present invention is a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit,
It successively include VD vacuum tank 1, coarse filter 2, gas cooler 3, fine filter 4 and automatic spraying device according to dedusting sequence
5。
Coarse filter 2 be power back-blowing filter, and by cleaning shaft 6 respectively with 3 phase of VD vacuum tank 1 and gas cooler
Connection；Back-fire relief strainer valve 7 is also fitted in coarse filter 2.
The quantity of VD vacuum tank 1 is two, is connected respectively by cleaning shaft 6 with gas cooler 3, and VD vacuum tank
Cleaning shaft 6 between 1 and gas cooler 3 includes vacuum tank segment pipe 8 and cooler segment pipe 9；Vacuum tank segment pipe 8
Quantity be two, be connected respectively with the cooperation of two VD vacuum tanks 1；The quantity of cooler segment pipe 9 is one, with gas cooling
Device 3 is connected, and cooler segment pipe 9 is mutually installed by turning gland 10 and two cooperations of vacuum tank segment pipe 8；Vacuum tank section
Pipeline 8 and cooler segment pipe 9 pass through the broken empty muffler 12 of the connection of manual vacuum butterfly valve 11.
Fine filter 4 be the dust filter unit as made of at least two cartridge combinations, equally by cleaning shaft 6 respectively with
Gas cooler 3 and automatic spraying device 5 are connected, and the cleaning shaft 6 between fine filter 4 and automatic spraying device 5 is same
Sample passes through the broken empty muffler 12 of the connection of manual vacuum butterfly valve 11.
Gas cooler 3 and fine filter 4 are fitted with inflatable powder special service valve 13.
Automatic spraying device 5 is automatic nitrogen blowing device.
Finally, it should be noted that property technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, those skilled in the art should understand that, modification or equivalent replacement of the technical solution of the present invention are made for those, and
The objective and range for not departing from the technical program, are intended to be within the scope of the claims of the invention.
Claims (8)
1. a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit, it is characterised in that: according to dedusting sequence successively include VD vacuum tank
(1), coarse filter (2), gas cooler (3), fine filter (4) and automatic spraying device (5), the coarse filter (2)
For power back-blowing filter, and it is connected respectively with VD vacuum tank (1) and gas cooler (3) by cleaning shaft (6)；The essence
Filter (4) be dust filter unit, equally by cleaning shaft (6) respectively with gas cooler (3) and automatic spraying device
(5) it is connected.
2. a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit according to claim 1, it is characterised in that: the automatic spray
Blowing apparatus (5) is automatic nitrogen blowing device.
3. a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit according to claim 1, it is characterised in that: the essence filtering
Device (4) is the dust filter unit as made of at least two cartridge combinations.
4. a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit according to claim 1, it is characterised in that: the coarse filtration
Back-fire relief strainer valve (7) are also fitted in device (2).
5. a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit according to claim 1, it is characterised in that: the VD vacuum
The quantity of tank (1) is two, is connected respectively by cleaning shaft (6) with gas cooler (3), and VD vacuum tank (1) and gas
Cleaning shaft (6) between body cooler (3) includes vacuum tank segment pipe (8) and cooler segment pipe (9)；The vacuum tank
The quantity of segment pipe (8) is two, is connected respectively with two VD vacuum tank (1) cooperations；The quantity of the cooler segment pipe (9)
It is one, is connected with gas cooler (3), and cooler segment pipe (9) passes through turning gland (10) and two vacuum tank sections
Pipeline (8) cooperation is mutually installed.
6. a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit according to claim 5, it is characterised in that: the vacuum tank
Segment pipe (8) and cooler segment pipe (9) pass through the broken empty muffler (12) of manual vacuum butterfly valve (11) connection.
7. a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit according to claim 1, it is characterised in that: the essence filtering
Cleaning shaft (6) between device (4) and automatic spraying device (5) equally connect brokenly empty muffler by manual vacuum butterfly valve (11)
(12).
8. a kind of novel VD mechanical pump vacuum drying oven dust-extraction unit according to claim 1, it is characterised in that: the gas is cold
But device (3) and fine filter (4) are fitted with inflatable powder special service valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174354.2A CN109266810A (en) | 2018-10-09 | 2018-10-09 | A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811174354.2A CN109266810A (en) | 2018-10-09 | 2018-10-09 | A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109266810A true CN109266810A (en) | 2019-01-25 |
Family
ID=65196264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811174354.2A Pending CN109266810A (en) | 2018-10-09 | 2018-10-09 | A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109266810A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10183232A (en) * | 1996-12-25 | 1998-07-14 | Nippon Steel Corp | Device for removing dust in gas cooler of vacuum degassing apparatus and method therefor |
| RU2256489C1 (en) * | 2004-03-09 | 2005-07-20 | ОАО "Ярославский технический углерод" | Method of controlling bag filter |
| CN102943151A (en) * | 2012-10-24 | 2013-02-27 | 杭州杭真真空工程技术有限公司 | Steel liquid vacuum refinement system adopting complete-dry type mechanical vacuum pump |
| CN104144750A (en) * | 2012-01-24 | 2014-11-12 | 英特科特殊熔炼技术有限责任公司 | Method and arrangement for waste-gas purification in vacuum steel treatment processes |
| CN205533070U (en) * | 2016-01-22 | 2016-08-31 | 成都瑞柯林工程技术有限公司 | Vacuum system |
| CN209210858U (en) * | 2018-10-09 | 2019-08-06 | 江苏联峰能源装备有限公司 | A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit |
-
2018
- 2018-10-09 CN CN201811174354.2A patent/CN109266810A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10183232A (en) * | 1996-12-25 | 1998-07-14 | Nippon Steel Corp | Device for removing dust in gas cooler of vacuum degassing apparatus and method therefor |
| RU2256489C1 (en) * | 2004-03-09 | 2005-07-20 | ОАО "Ярославский технический углерод" | Method of controlling bag filter |
| CN104144750A (en) * | 2012-01-24 | 2014-11-12 | 英特科特殊熔炼技术有限责任公司 | Method and arrangement for waste-gas purification in vacuum steel treatment processes |
| CN102943151A (en) * | 2012-10-24 | 2013-02-27 | 杭州杭真真空工程技术有限公司 | Steel liquid vacuum refinement system adopting complete-dry type mechanical vacuum pump |
| CN205533070U (en) * | 2016-01-22 | 2016-08-31 | 成都瑞柯林工程技术有限公司 | Vacuum system |
| CN209210858U (en) * | 2018-10-09 | 2019-08-06 | 江苏联峰能源装备有限公司 | A kind of novel VD mechanical pump vacuum drying oven dust-extraction unit |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |