CN206549390U - A kind of negative pressure screen analyzer - Google Patents
A kind of negative pressure screen analyzer Download PDFInfo
- Publication number
- CN206549390U CN206549390U CN201720234899.2U CN201720234899U CN206549390U CN 206549390 U CN206549390 U CN 206549390U CN 201720234899 U CN201720234899 U CN 201720234899U CN 206549390 U CN206549390 U CN 206549390U
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- dust
- pressure screen
- shower
- dust catcher
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- 239000000428 dust Substances 0.000 claims abstract description 55
- 238000004458 analytical method Methods 0.000 claims abstract description 19
- 238000000926 separation method Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 3
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- 239000002245 particles Substances 0.000 description 5
- 238000000889 atomisation Methods 0.000 description 4
- 239000004568 cements Substances 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 239000004744 fabrics Substances 0.000 description 4
- 239000000843 powders Substances 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
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- 238000007689 inspection Methods 0.000 description 2
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- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000003595 mist Substances 0.000 description 1
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Abstract
The utility model discloses a kind of negative pressure screen analyzer, including analysis sieve, cyclone cylinder and dust catcher, the bottom of the analysis sieve is connected by being provided with hard tube with the upper end of cyclone cylinder, the top end opening of the cyclone cylinder is by being provided with soft pipe connection to dust catcher, the dust catcher is provided with blast pipe, blast pipe side wall is connected with shower, and the shower is connected by being provided with least one shower nozzle with blast pipe, and the blast pipe is provided with check valve.A kind of negative pressure screen analyzer of the present utility model, prevents dust from being got into the air by the emission by exhaust pipe of dust catcher.
Description
Technical field
The utility model is related to cement fineness and examines equipment, more specifically, it relates to a kind of negative pressure screen analyzer.
Background technology
Negative pressure screen analyzer presses national standard T0501-94《The u m of the cement fineness method of inspection 80 sieve sieve formula》Carry out screen analysis
The instrumentation of inspection.This product have it is simple in construction, it is easy to operate, be cement plant the features such as reduction energy consumption, building constructor with
And possess the indispensable instrument of scientific research institutions and universities and colleges of cement specialty.
When dynamic medium of the negative pressure screen analyzer by the use of air-flow as screening works, whole system keeps negative pressure state, screen cloth
In smart powder material to be measured be in fluidised form shape under the airflow function that the air nozzle of rotation sprays, and moved with air-flow, its
The fine grained that middle particle diameter is less than mesh size is pumped by air-flow drive by screen cloth, and particle diameter is more than the coarse granule of sieve screen apertures then
Stay in screen cloth to reach the purpose of screening.
The popular configuration of current negative pressure screen analyzer is more using vertical type high-power dust catcher as the negative pressure source of the instrument, and with small
Type cyclone cylinder is used as pre-dedusting device.During screening, screenings enters cyclone cylinder together with large quantity of air, not by containing that cyclone cylinder is collected
Dirt air enters dust catcher.In the air discharged after by dust catcher strainer filtering still containing part particle diameter than aperture of filter screen also
Small ultrafine dust.The dust of this ultra-fine grain diameter is more more harmful to human body than the dust of big particle diameter in dust pollution.Negative pressure
Screen analyzer is typically all placed and used indoors, and dust catcher is directly discharged useless wind indoors, to analysis room and behaviour by exhaust outlet
Author causes secondary pollution in itself.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of negative pressure screen analyzer, powder is prevented
Dirt is got into the air by the emission by exhaust pipe of dust catcher.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of negative pressure screen analyzer,
Including analysis sieve, cyclone cylinder and dust catcher, the bottom of the analysis sieve is connected by being provided with hard tube with the upper end of cyclone cylinder,
The top end opening of the cyclone cylinder is by being provided with soft pipe connection to dust catcher, and the dust catcher is provided with blast pipe, the row
Tracheae side wall is connected with shower, and the shower is connected by being provided with least one shower nozzle with blast pipe, the blast pipe
It is provided with check valve.
By using above-mentioned technical proposal, in the side wall connection shower of blast pipe, shower passes through shower nozzle and blast pipe
Connection, shower carries out spray dust to the gas containing dust come out from dust catcher by emission by exhaust pipe, so that effectively
Ground has purified the gas from emission by exhaust pipe air inlet, and dust is then integrated with water and to form muddy water from blast pipe discharge, it is to avoid
Dust is discharged into air with gas and polluted；Check valve is set in blast pipe again, to avoid spray into blast pipe
Water is flowed into dust catcher.
The utility model is further arranged to：Also include tank, the tank is connected by being provided with water pump
To shower.
By using above-mentioned technical proposal, tank is set and spray-water is provided by water pump for shower, it is to avoid
The trouble at external water source.
The utility model is further arranged to：The shower nozzle uses atomizer.
By using above-mentioned technical proposal, shower nozzle is used into atomizer, because the spray of atomization is more suitable for depositing dust, made
More preferable dust-laying effect must be reached.
The utility model is further arranged to：The cyclone cylinder is provided between the air flow inlet and air stream outlet of upper end
Sieve plate, the sieve aperture of the sieve plate is less than analysis and sieved.
By using above-mentioned technical proposal, a score is installed between the air flow inlet and air stream outlet of cyclone cylinder upper end
The small sieve plate of the sieve aperture of sieve is analysed, so that further reducing dust enters dust catcher, which reduces discharged from blast pipe
Dust Capacity.
The utility model is further arranged to：The flexible pipe outlet of the dust catcher is arranged with dust-separation bag.
By using above-mentioned technical proposal, dust-separation bag is set, to the gas entered inside dust catcher from flexible pipe, enters to advance
The filtering of one step.
The utility model is further arranged to：The hard tube is connected with vacuum table.
By using above-mentioned technical proposal, vacuum table is set, when negative pressure does not reach standard, so that operating personnel can be fast
Speed is observed, so as to make corresponding measure.
The utility model is further arranged to：The tank is provided with audible-visual annunciator, the tank and set
It is equipped with the water level switch for controlling audible-visual annunciator.
By using above-mentioned technical proposal, audible-visual annunciator is set, and installs to control acousto-optic report in tank
The water level switch of alert device, when water level is too low in tank, then water level switch will control audible-visual annunciator to send alarm signal
Number, remind operating personnel's addition water.
In summary, the utility model has the advantages that：
First, in the side wall connection shower of blast pipe, shower is connected by shower nozzle with blast pipe, shower is to from suction
The gas containing dust that dirt device is come out by emission by exhaust pipe carries out spray dust, so as to effectively purify from blast pipe row
The gas of air inlet is put, while check valve is set in blast pipe, to avoid the water sprayed into blast pipe from flowing into dust catcher；
Second, installing the small sieve of a sieve aperture than analysis sieve between the air flow inlet and air stream outlet of cyclone cylinder upper end
Plate, and dust-separation bag is arranged in the outlet of flexible pipe, so as to further be filtered to gas, to reduce the powder into dust catcher
Dirt.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model, it is shown that overall attachment structure.
In figure：1st, analysis sieve；2nd, cyclone cylinder；3rd, dust catcher；4th, hard tube；5th, flexible pipe；6th, blast pipe；7th, shower；8th, spray
Head；9th, check valve；10th, tank；11st, water pump；12nd, sieve plate；13rd, dust-separation bag；14th, vacuum table；15th, audible-visual annunciator；16、
Water level switch；17th, dust jar；20th, rack.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of negative pressure screen analyzer, as shown in figure 1, including analysis sieve 1, cyclone cylinder 2 and dust catcher 3, analysis sieve 1 and dust suction
Device 3 is arranged in rack, and analysis sieve 1 is fixed on the upper end of rack 20 by sieving seat, and dust catcher 3 is fixed on the machine of the lower section of analysis sieve 1
In cabinet 20, cyclone cylinder 2 is fixed on the side of rack 20 by fixed mount, and the lower end of cyclone cylinder 2 is connected to a dust jar
17, the particle dust for collection cut size less than analysis 1 sieve aperture of sieve, the bottom of analysis sieve 1 passes through hard tube 4 and cyclone cylinder 2
Upper end is connected, and the top end opening of cyclone cylinder 2 is communicated to the bottom of dust catcher 3 by flexible pipe 5, and the opposite side of dust catcher 3
Upper end avris is provided with blast pipe 6.Be provided with a shower 7 in the top of blast pipe 6, shower 7 set on the wall of side with
The shower nozzle 8 that shower 7 is connected is connected with blast pipe 6, and water is sprayed into blast pipe 6 after coming from shower conveying through shower nozzle 8, so that
Depositing dust is carried out to the gas discharged in blast pipe 6, to purify the gas of discharge.More optimizedly, shower nozzle 8 uses atomization spray
Head, liquid is broken up, and forms very thin mist, because the spray of atomization is more useful in depositing dust, the spray of atomization increases contact
Area so that depositing dust it is better.And a check valve 9 is mounted with close to one end of dust catcher 3 in blast pipe 6, to prevent
The water that only shower 7 is sprayed is flowed into dust catcher 3, and check valve 9 is removably attached to blast pipe 6 by screw thread
On, facilitate the cleaning in later stage.
A tank 10 is placed by rack 20, and the water in tank 10 is delivered to by spray by water pump 11
Shower pipe 7, so that by shower nozzle 8 to being sprayed in blast pipe 6.An audible-visual annunciator 15 is mounted with tank 10,
And a water level switch 16 for being used for controlling audible-visual annunciator 15, the water in tank 10 are mounted with tank 10
When position is less than setting water level, the control audible-visual annunciator 15 of water level switch 16 starts, signal an alert, to remind operating personnel past
Addition water in tank 10.
One piece of sieve plate 12, and the sieve aperture of sieve plate 12 are mounted between the air flow inlet and air stream outlet of the upper end of cyclone cylinder 2
Less than the sieve aperture of analysis sieve 1.The outlet of flexible pipe 5 in dust catcher 3 has been socketed a dust-separation bag 13 again, and it is paper that dust-separation bag 13, which is used,
Matter bag, certain cloth bag is also possible, so that further gas is filtered, to reduce the dust into dust catcher 3,
The Dust Capacity so discharged from blast pipe 6 will be reduced.
A vacuum table 14 for being used for detecting negative pressure in hard tube 4 is mounted with the front end of rack 20, when negative pressure does not reach mark
On time, so that operating personnel can observe rapidly, so as to make corresponding measure.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of negative pressure screen analyzer, including analysis sieve（1）, cyclone cylinder（2）And dust catcher（3）, the analysis sieve（1）Bottom
By being provided with hard tube（4）With cyclone cylinder（2）Upper end connection, the cyclone cylinder（2）Top end opening by being provided with flexible pipe
（5）It is communicated to dust catcher（3）, the dust catcher（3）It is provided with blast pipe（6）, it is characterised in that：The blast pipe（6）Side wall
It is connected with shower（7）, the shower（7）By being provided with least one shower nozzle（8）With blast pipe（6）Connection, the row
Tracheae（6）It is provided with check valve（9）.
2. a kind of negative pressure screen analyzer according to claim 1, it is characterised in that：Also include tank（10）, the storage
Water receptacle（10）By being provided with water pump（11）It is connected to shower（7）.
3. a kind of negative pressure screen analyzer according to claim 2, it is characterised in that：The shower nozzle（8）Using atomizer.
4. a kind of negative pressure screen analyzer according to claim 1, it is characterised in that：The cyclone cylinder（2）Air-flow in upper end
Sieve plate is installed between entrance and air stream outlet（12）, the sieve plate（12）Sieve aperture be less than analysis sieve（1）.
5. a kind of negative pressure screen analyzer according to claim 4, it is characterised in that：The dust catcher（3）Flexible pipe（5）Outlet
It is arranged with dust-separation bag（13）.
6. a kind of negative pressure screen analyzer according to claim 1, it is characterised in that：The hard tube（4）It is connected with vacuum table
（14）.
7. a kind of negative pressure screen analyzer according to claim 2, it is characterised in that：The tank（10）Acousto-optic is set
Alarm（15）, the tank（10）Inside it is provided with for controlling audible-visual annunciator（15）Water level switch（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234899.2U CN206549390U (en) | 2017-03-10 | 2017-03-10 | A kind of negative pressure screen analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720234899.2U CN206549390U (en) | 2017-03-10 | 2017-03-10 | A kind of negative pressure screen analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206549390U true CN206549390U (en) | 2017-10-13 |
Family
ID=60363106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720234899.2U Expired - Fee Related CN206549390U (en) | 2017-03-10 | 2017-03-10 | A kind of negative pressure screen analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206549390U (en) |
-
2017
- 2017-03-10 CN CN201720234899.2U patent/CN206549390U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171013 Termination date: 20200310 |