CN209138245U - Negative pressure sieve analysis instrument for cement fineness dust-extraction unit - Google Patents
Negative pressure sieve analysis instrument for cement fineness dust-extraction unit Download PDFInfo
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- CN209138245U CN209138245U CN201821852103.0U CN201821852103U CN209138245U CN 209138245 U CN209138245 U CN 209138245U CN 201821852103 U CN201821852103 U CN 201821852103U CN 209138245 U CN209138245 U CN 209138245U
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- China
- Prior art keywords
- dust
- extraction unit
- dedusting
- cloth bag
- negative pressure
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Abstract
The utility model discloses a kind of negative pressure sieve analysis instrument for cement fineness dust-extraction units, are related to cement fineness detection field, its key points of the technical solution are that including the dust-extraction unit being arranged between cyclone dust collectors and dust catcher；The dust-extraction unit includes the dedusting shell being connected to cyclone dust collectors and dust catcher and the dedusting mechanism that dedusting interior of shell is arranged in；The dedusting mechanism includes the bracket that dedusting interior of shell is arranged in and the cloth bag that bracket outer is arranged in；And the bracket is Openworks shape.Air with dust is discharged to the outside of dedusting shell by the cloth bag in dedusting shell, and in the process, cloth bag is filtered the dust in air, filters out the dust in air, to reduce the dust being discharged into air；Bracket is supported cloth bag, and the dust for being deposited in cloth bag surface, which is fallen, can reduce dust accumulation on the surface of cloth bag, increases the filter effect of cloth bag.
Description
Technical field
The utility model relates to cement fineness detection fields, fill more particularly, to a kind of negative pressure sieve analysis instrument for cement fineness dedusting
It sets.
Background technique
When negative pressure sieve analysis instrument for cement fineness is worked using air-flow as the dynamic medium of screening, whole system keeps negative pressure shape
State, the smart powder material to be measured in sieve is in fluidised form shape under the airflow function that the air nozzle of rotation sprays, and with air-flow
Movement, the fine grained that wherein partial size is less than mesh size is driven by air-flow to be pumped by sieve, and partial size is greater than sieve screen apertures
Coarse granule then stays in sieve to achieve the purpose that screening.
In the prior art, it is thin that the Chinese utility model patent that Authorization Notice No. is CN206450557U discloses a kind of cement
Spend negative pressure screen analyzer, including cabinet, the sieve seat being set on cabinet, be set to sieve seat on testing sieve, with sieve seat be connected
Cyclone cylinder, be set to the collecting the gray bottle of cyclone cylinder bottom end and connect with cyclone cylinder and dust catcher arranged in the box body, sieving
Air nozzle is provided in seat, air nozzle passes through the air-jet device connection being set on sieve seat, and air nozzle is by being set to sieve seat
On synchronous motor and sieve seat rotation connection, be provided with protrusion on end face of the air nozzle towards testing sieve, protrusion on testing sieve
Sieve contradict connection, the port of testing sieve is provided with end cap.
But this negative pressure sieve analysis instrument for cement fineness is the rotoclone collector pair being arranged by device during use
The dust of discharge is filtered, but cyclone dust collectors can not accomplish complete dedusting, after being filtered by cyclone dust catcher
Still contain part dust in the air of discharge.
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 sieve analysis instrument for cement fineness
Dust-extraction unit can be further reduced the dust generated in use process.
To achieve the above object, the utility model provides following technical solution: a kind of negative pressure sieve analysis instrument for cement fineness removes
Dirt device, including the dust-extraction unit being arranged between cyclone dust collectors and dust catcher；The dust-extraction unit includes and cyclone dust removal
Dedusting shell that device is connected to dust catcher and the dedusting mechanism that dedusting interior of shell is set；The dedusting mechanism includes setting
Dedusting interior of shell bracket and the cloth bag of bracket outer is set；And the bracket is Openworks shape.
By using above-mentioned technical proposal, the air with dust is discharged to dedusting shell by the cloth bag in dedusting shell
Outside, in the process, cloth bag are filtered the dust in air, filter out the dust in air, are discharged into reduce
Dust in air；Bracket is supported cloth bag, and the dust for being deposited in cloth bag surface, which is fallen, can reduce dust
It is deposited in the surface of cloth bag, increases the filter effect of cloth bag.
The utility model is further arranged to: the bottom end of the bracket is fixed with the screw thread connecting with dedusting outer casing screw
Set.
By using above-mentioned technical proposal, bracket is fixed on thread bush, and thread bush is connect with dedusting outer casing screw, convenient
Bracket dismount and clear up the surface of cloth bag, the filter effect of cloth bag is increased.
The utility model is further arranged to: the bottom end of the thread bush is fixed with the limit for preventing thread bush to be excessively transferred to
Ring.
By using above-mentioned technical proposal, with the rotation of thread bush, distance of the stop collar apart from dedusting shell bottom end is got over
Come closer, until stop collar is abutted with the bottom end of dedusting shell, at this time due to the barrier effect of stop collar, thread bush can not continue
Rotation increases the stabilization of bracket and dedusting cage connection so that thread bush be prevented excessively to be transferred in dedusting shell.
The utility model is further arranged to: the top of the stop collar is fixed with sealing ring.
By using above-mentioned technical proposal, sealing ring increases the leakproofness between stop collar and dedusting shell bottom end, reduces
The case where dust is run out of out of gap between the two appearance increases the effect and stability of dedusting.
The utility model is further arranged to: the bottom end of the bracket is fixed with the fixation kit that cloth bag is fixed.
By using above-mentioned technical proposal, cloth bag is fixed in fixation kit, increases cloth bag during the work time steady
It is qualitative.
The utility model is further arranged to: the fixation kit include several link blocks for being fixed on bracket bottom end and
With the limited block of link block rotation connection；The through-hole passed through for limited block is offered on the cloth bag.
By using above-mentioned technical proposal, rotary spacing block, when limited block is located under horizontality, limited block passes through logical
Hole, rotary spacing block later, limited block can not rotate in the through-hole of cloth bag at this time, so that the position of cloth bag keeps solid
It is fixed, increase stability when cloth bag work.
The utility model is further arranged to: the bottom end of the dedusting shell is fixed with connecting tube, and the bottom end of connecting tube is solid
Surely there is the collection box being collected to dust.
By using above-mentioned technical proposal, collection box is collected the dust in dedusting shell, reduces in dedusting shell
Dust excess accumulation and appearance the case where impact filter effect, increase the filter effect of dust-extraction unit.
The utility model is further arranged to: the bottom end of the dedusting shell be taper is protruded on the inside of dedusting shell, and
Connecting tube is connected to the lowest part of dedusting shell taper.
By using above-mentioned technical proposal, dust falls to the bottom end of taper under gravity, and from connecting tube into
Enter into collection box, increases the collecting effect of dust.
In conclusion the advantageous effects of the utility model are as follows:
1. the air with dust is discharged to the outside of dedusting shell, in the process, cloth by the cloth bag in dedusting shell
Bag is filtered the dust in air, filters out the dust in air, to reduce the dust being discharged into air；Bracket pair
Cloth bag is supported, and the dust for being deposited in cloth bag surface, which is fallen, can reduce dust accumulation on the surface of cloth bag, is increased
Add the filter effect of cloth bag；
2. bracket is fixed on thread bush, thread bush is connect with dedusting outer casing screw, convenient to carry out dismounting and right to bracket
The surface of cloth bag is cleared up, and the filter effect of cloth bag is increased；
3. rotary spacing block, when limited block is located under horizontality, limited block passes through through-hole, later rotary spacing block, this
When limited block can not be rotated in the through-hole of cloth bag it is steady when increasing cloth bag work so that the position of cloth bag is kept fixed
It is qualitative.
Detailed description of the invention
Fig. 1 is the whole axonometric drawing of embodiment；
Fig. 2 is the schematic diagram for embodying interior of shell；
Fig. 3 is the axonometric drawing of dust-extraction unit；
Fig. 4 is the cross-sectional view of dust-extraction unit；
Fig. 5 is the explosive view of dedusting mechanism；
Fig. 6 is the portion the A enlarged drawing of Fig. 5；
Fig. 7 is the axonometric drawing of collection box.
In figure: 1, shell；2, negative pressure is sieved；3, cyclone dust collectors；4, dust-extraction unit；41, dedusting shell；411, air inlet pipe；
412, escape pipe；413, protruding portion；4131, connector sleeve；414, rake；42, dedusting mechanism；421, thread bush；422, bracket；
4221, link block；4222, limited block；423, cloth bag；4231, through-hole；424, stop collar；4241, sealing ring；43, collection box；
431, connecting tube；432, connection cover；5, dust catcher.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Embodiment: a kind of negative pressure sieve analysis instrument for cement fineness, referring to Fig. 1 and Fig. 2, including shell 1, setting are inside shell 1
Negative pressure sieve 2, cyclone dust collectors 3, dust-extraction unit 4 and dust catcher 5.Shell 1 is stretched out on the top of negative pressure sieve 2；Negative pressure sieve 2, rotation
Wind deduster 3, dust-extraction unit 4 pass sequentially through hose with dust catcher 5 and are connected to.
Cement style to be sieved is placed on negative pressure and shines in 2, opens negative pressure sieve analysis instrument for cement fineness and carries out to cement style
Screening.During screening, most of dust is removed in cyclone dust collectors 3, remaining dust enters dust-extraction unit 4
It is inside cleaned, to reduce the dust being discharged into air.
Referring to Fig. 3 and Fig. 4, dust-extraction unit 4 includes dedusting shell 41, the dust removal machine for being threaded in 41 bottom end of dedusting shell
Structure 42 and the collection box 43 that 41 bottom end of dedusting shell is set.
The top of dedusting shell 41 is connected with air inlet pipe 411, and bottom end is connected with escape pipe 412.The bottom end of dedusting shell 41
For to protruding taper on the inside of dedusting shell 41, and the bottom end of dedusting shell 41 is divided into protruding portion 413 and rake 414.It is prominent
The top in portion 413 is fixed with the connector sleeve 4131 being threadedly coupled with dedusting mechanism 42.The bottom end of rake 414 is fixed with and dedusting
The connecting tube 431 that shell 41 is connected to, the other end of connecting tube 431 are connect with collection box 43, and collection box 43 will be in dedusting shell 41
Dust be collected into collection box 43.
Referring to figs. 5 and 6, bracket 422, set that dedusting mechanism 42 includes thread bush 421, is fixed on 421 top of thread bush
The cloth bag 423 for being located at 422 periphery of bracket and the stop collar 424 for being fixed on 421 bottom end of thread bush.
Bracket 422 is Openworks shape, is passed through for air.The bottom end of bracket 422 is fixed with several link blocks 4221, link block
Limited block 4222 is rotatably connected on 4221；The bottom end of cloth bag 423 offers several through-holes 4231 passed through for limited block 4222.
Limited block 4222 is when in a horizontal state to pass through through-hole 4231, rotates into vertical state later, cloth bag 423 can not be from connection at this time
It is detached from block 4221, completes the fixation of cloth bag 423.The top of stop collar 424 is fixed with sealing ring 4241.
Referring to Fig. 7, the bottom end of connecting tube 431 is fixed with connection cover 432, the bottom end opening of collection box 43 and and connection cover
432 are threadedly coupled, convenient to dismantle to the collection box 43 after the completion of collection, the waste residue collected in processing collection box 43
Use process: the air with dust enters the inside of dedusting shell 41 from air inlet pipe 411, air need by
The cloth bag 423 being set on bracket 422 could leave from escape pipe 412.In the process, the dust in air is through cloth bag
After 423 blocking, cloth bag 423 can not be passed through.Part dust is attached to the surface of cloth bag 423, remaining dust is fallen outside dedusting
The bottom end of shell 41.The dust for falling to bottom end enters in collection box 43, carries out subsequent processing；It is attached to 423 surface of cloth bag
Dust needs to remove dedusting mechanism 42 and cloth bag 423 is cleared up or replaced, to guarantee the effect of work.Dust is cleared up
Air enters in dust catcher 5 from escape pipe 412, and is discharged into air, reduces the discharge of dust.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of negative pressure sieve analysis instrument for cement fineness dust-extraction unit, it is characterised in that: including being arranged in cyclone dust collectors (3) and dust suction
Dust-extraction unit (4) between device (5)；The dust-extraction unit (4) includes removing with what cyclone dust collectors (3) and dust catcher (5) were connected to
The dedusting mechanism (42) of dirt shell (41) and setting inside dedusting shell (41)；The dedusting mechanism (42) includes that setting exists
The cloth bag (423) of bracket (422) and setting outside bracket (422) inside dedusting shell (41)；And the bracket (422)
For Openworks shape.
2. negative pressure sieve analysis instrument for cement fineness dust-extraction unit according to claim 1, it is characterised in that: the bracket (422)
Bottom end be fixed with the thread bush (421) being threadedly coupled with dedusting shell (41).
3. negative pressure sieve analysis instrument for cement fineness dust-extraction unit according to claim 2, it is characterised in that: the thread bush
(421) bottom end is fixed with the stop collar (424) for preventing thread bush (421) to be excessively transferred to.
4. negative pressure sieve analysis instrument for cement fineness dust-extraction unit according to claim 3, it is characterised in that: the stop collar
(424) top is fixed with sealing ring (4241).
5. negative pressure sieve analysis instrument for cement fineness dust-extraction unit according to claim 1, it is characterised in that: the bracket (422)
Bottom end be fixed with the fixation kit that cloth bag (423) is fixed.
6. negative pressure sieve analysis instrument for cement fineness dust-extraction unit according to claim 5, it is characterised in that: the fixation kit packet
Include several link blocks (4221) for being fixed on bracket (422) bottom end and the limited block with link block (4221) rotation connection
(4222)；The through-hole (4231) passed through for limited block (4222) is offered on the cloth bag (423).
7. negative pressure sieve analysis instrument for cement fineness dust-extraction unit according to claim 1, it is characterised in that: the dedusting shell
(41) bottom end is fixed with connecting tube (431), and the bottom end of connecting tube (431) is fixed with the collection box being collected to dust
(43).
8. negative pressure sieve analysis instrument for cement fineness dust-extraction unit according to claim 7, it is characterised in that: the dedusting shell
(41) bottom end is to protrude taper on the inside of dedusting shell (41), and connecting tube (431) is connected to dedusting shell (41) taper
Lowest part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821852103.0U CN209138245U (en) | 2018-11-09 | 2018-11-09 | Negative pressure sieve analysis instrument for cement fineness dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821852103.0U CN209138245U (en) | 2018-11-09 | 2018-11-09 | Negative pressure sieve analysis instrument for cement fineness dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209138245U true CN209138245U (en) | 2019-07-23 |
Family
ID=67285164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821852103.0U Active CN209138245U (en) | 2018-11-09 | 2018-11-09 | Negative pressure sieve analysis instrument for cement fineness dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209138245U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834395A (en) * | 2021-01-18 | 2021-05-25 | 张永 | High-efficient cement fineness detection device |
-
2018
- 2018-11-09 CN CN201821852103.0U patent/CN209138245U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834395A (en) * | 2021-01-18 | 2021-05-25 | 张永 | High-efficient cement fineness detection device |
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