CN207137557U - A kind of device of Chalk-dust filtering - Google Patents
A kind of device of Chalk-dust filtering Download PDFInfo
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- CN207137557U CN207137557U CN201721088479.4U CN201721088479U CN207137557U CN 207137557 U CN207137557 U CN 207137557U CN 201721088479 U CN201721088479 U CN 201721088479U CN 207137557 U CN207137557 U CN 207137557U
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- Prior art keywords
- filter
- grain storage
- storage lid
- towards
- filter cotton
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Abstract
The utility model discloses a kind of device of Chalk-dust filtering, including grain storage lid, First terrace, the second step face that latus rectum gradually increases are set gradually from outer end to the inner in grain storage lid, two cover plates are set on First terrace, filter paper is set between two cover plates；Filter holder is located at two cover plates and sets the first filter cotton towards the inner side of grain storage lid towards the inner side of grain storage lid, filter holder, and filter holder sets the second filter cotton towards the side of grain storage lid outer end；Also include being located at fixed cover of first filter cotton towards grain storage lid the inner side；The filter holder, the first filter cotton, the second filter cotton, fixed cover are pyramidal structure of the top end towards extreme direction in grain storage lid, and the top of filter holder sets through hole.When the utility model is to solve to extract vacuum to grain storage device in the prior art, the problem of filter efficiency is low, the purpose for improving filter efficiency is realized.
Description
Technical field
It the utility model is related to food storage field, and in particular to a kind of device of Chalk-dust filtering.
Background technology
Grain refers to the general designation of edible cereal, beans and potato class, according to the concept of Food and Agricultural Organization of the United Nations,
Grain just refers to cereal, including wheat class, coarse food grain and paddy class three major types crop.In daily life, grain is as master
Food is essential.And, it is necessary to substantial amounts of grain is stored in a warehouse during grain makes and is processed into food, at present,
The big-and-middle-sized grain distribution station in China, it is common to use storage device of the silo as grain, its main purpose are in case burst feelings occur backward
Needs during condition.During to food storage, it is a kind of efficient, long-term storage method to extract vacuum and carry out storage, energy
It is enough greatly to improve storage duration.Then due to being contaminated with more dust in grain, carried out to existing grain storage device
During vacuum drawn operation, have a large amount of dust etc. and enter in vavuum pump, cause vavuum pump to be damaged.All it is simple in the prior art
Increase filter screen filtered, filter efficiency is low, once while filter screen pasted by dust, then be not easy to very much operate.
Utility model content
The purpose of this utility model is to provide a kind of device of Chalk-dust filtering, to solve in the prior art to food storage
When device extracts vacuum, the problem of filter efficiency is low, the purpose for improving filter efficiency is realized.
The utility model is achieved through the following technical solutions：
A kind of device of Chalk-dust filtering, including grain storage lid, the inner of the grain storage lid are used to be connected with Grain storage device,
The outer end of grain storage lid sets vacuum tube joint, set gradually that latus rectum gradually increases from outer end to the inner in the grain storage lid first
Step surface, second step face, two pieces of cover plates for carrying air-vent are set on the First terrace, set between two cover plates
Filter paper；Filter holder is additionally provided with First terrace, the filter holder is located at two cover plates towards the one of grain storage lid the inner
Side, the filter holder set the first filter cotton towards the inner side of grain storage lid, filter holder towards grain storage lid outer end one
Side sets the second filter cotton；Also include being located at fixed cover of first filter cotton towards grain storage lid the inner side；The filter holder,
First filter cotton, the second filter cotton, fixed cover are pyramidal structure of the top towards extreme direction in grain storage lid, the filter holder
Top through hole is set, the outer rim of first filter cotton contacts with the inwall of grain storage lid, the outer rim of the fixed cover not with storage
The inwall contact of grain lid.
During for extracting vacuum to grain storage device in the prior art, the problem of filter efficiency is low, the utility model
A kind of device of Chalk-dust filtering is proposed, the present apparatus includes being used for the grain storage lid being connected with grain storage device, the grain storage lid
The inner be used to be attached with various grain storage devices, the outer end of grain storage lid sets vacuum tube joint, is used for and vavuum pump
Exhaust tube be attached, two step surfaces are set in grain storage tank, two pieces of lids for carrying air-vent are set on First terrace
Plate, filter paper is set between two cover plates, filter paper is clipped in the middle by two cover plates, filter paper is carried out it is spacing with it is steady
Gu air-vent is provided with two cover plates, therefore air-flow can flow through from the filter paper of two cover plates with centre.This enclosing cover
Air-vent on plate can isolate the relatively large debris of volume, avoid pasting filter paper face.Also set up on First terrace
Have a filter holder, filter holder is located at two cover plates towards the inner side of grain storage lid, and filter holder towards grain storage lid it is inner,
The both sides of outer end are respectively arranged with the first filter cotton, the second filter cotton；Side of wherein the first filter cotton towards grain storage lid the inner
Fixed cover is provided with, therefore is that the first filter cotton is arranged between filter holder and fixed cover, the second filter cotton is set
Between filter holder and cover plate so that the first filter cotton, the second filter cotton can access firm.The outer rim of first filter cotton
Contacted with the inwall of grain storage lid, the inwall of the outer rim of fixed cover not with grain storage lid contacts, with the outer rim of this fixed cover and grain storage lid
Gas channel is formed between inside, the top of filter holder sets through hole, therefore when extracting vacuum, air-flow is outside fixed cover
Edge enters in the first filter cotton, is entered by the through hole on filter holder top in the second filter cotton, by the filtering of two filter cottons
Enter cover plate region afterwards, pass sequentially through cover plate, filter paper, cover plate, finally flowed away at vacuum tube joint.In addition, filtering
Support, the first filter cotton, the second filter cotton, fixed cover are pyramidal structure of the top end towards extreme direction in grain storage lid, can
Greatly increase air in the utility model internal flow along journey, filter effect is further improved with this.The utility model
, can by the collective effect of fixed cover, the first filter cotton, filter holder, the second filter cotton, two cover plates and filter paper
So that air has greatly along journey inside the utility model, while the filtration of multilayer is formed, for dust-like debris
Filter effect with highly significant, filter efficiency can greatly be improved, it is ensured that enter without debris such as dust in vavuum pump,
So as to greatly improve filter efficiency.The utility model is compared to the side simply isolated in the prior art using filter screen
Formula, the protection of filter efficiency, raising to vavuum pump can greatly be improved, there is prominent substantive distinguishing features and marked improvement.
Preferably, in addition to the elastic seal cartridge of ring-type that is arranged on second step face.Avoided by elastic seal cartridge
Air-flow runs helter-skelter, improves air-tightness, improves operating efficiency when extracting vacuum.
Preferably, there is gap between the vacuum tube joint and cover plate.Have when ensuring with this and extract vacuum sufficiently large
Suction range, it is ensured that the air-vent on cover plate can maximumlly play its effect.
Preferably, the air-vent on two cover plates is facing each other.Avoiding air-flow from accumulating expansion between two cover plates causes
Cover plate loosens, and improves the job stability of cover plate.
The utility model compared with prior art, has the following advantages and advantages：
A kind of device of Chalk-dust filtering of the utility model, pass through fixed cover, the first filter cotton, filter holder, the second filtering
The collective effect of cotton, two cover plates and filter paper, air is enabled to have greatly along journey inside the utility model,
The filtration of multilayer is formed simultaneously, and there is the filter effect of highly significant for dust-like debris, can greatly improve
Filter efficiency, it is ensured that enter without debris such as dust in vavuum pump, so as to greatly improve filter efficiency.The utility model compared to
The mode simply isolated in the prior art using filter screen, filter efficiency can greatly be improved, improved to vavuum pump
Protection, there is prominent substantive distinguishing features and marked improvement.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the sectional view of the utility model specific embodiment；
Fig. 2 is the explosive view of the utility model specific embodiment.
Mark and corresponding parts title in accompanying drawing：
1- grain storage lids, 2- vacuum tube joints, 3- First terraces, 4- second steps face, 5- cover plates, 6- filter papers, 7- mistakes
Filter support, the filter cottons of 8- first, the filter cottons of 9- second, 10- fixed covers, 11- through holes, 12- elastic seal cartridges.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1：
A kind of device of Chalk-dust filtering as shown in Figures 1 and 2, including grain storage lid 1, the inner of the grain storage lid 1 are used for
It is connected with Grain storage device, the outer end setting vacuum tube joint 2 of grain storage lid 1, in the grain storage lid 1 from outer end to the inner successively
The First terrace 3, second step face 4 that latus rectum gradually increases are set, two pieces is set on the First terrace 3 and carries air-vent
Cover plate 5, filter paper 6 is set between two cover plates 5；Filter holder 7, the filter holder 7 are additionally provided with First terrace 3
Positioned at two cover plates 5 first is set towards the inner side of grain storage lid 1, the filter holder 7 towards the inner side of grain storage lid 1
Filter cotton 8, filter holder 7 set the second filter cotton 9 towards the side of the outer end of grain storage lid 1；Also include being located at the court of the first filter cotton 8
To the fixed cover 10 of 1 inner side of grain storage lid；The filter holder 7, the first filter cotton 8, the second filter cotton 9, fixed cover 10 are equal
Pyramidal structure for top towards extreme direction in grain storage lid 1, the top of the filter holder 7 set through hole 11, first mistake
The outer rim of filter pulp 8 contacts with the inwall of grain storage lid 1, and the inwall of the outer rim of the fixed cover 10 not with grain storage lid 1 contacts.Also include
The elastic seal cartridge 12 for the ring-type being arranged on second step face 4.There is gap between the vacuum tube joint 2 and cover plate 5.Two
Air-vent on block cover plate 5 is facing each other.When extracting vacuum, air-flow enters in the first filter cotton 8 from the outer rim of fixed cover 10,
Entered by the through hole 11 on the top of filter holder 7 in the second filter cotton 9, cover plate location is entered after the filtering of two filter cottons
Domain, cover plate, filter paper, cover plate are passed sequentially through, is finally flowed away at vacuum tube joint.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (4)
1. a kind of device of Chalk-dust filtering, it is characterised in that including grain storage lid (1), the inner of the grain storage lid (1) is used for and grain
Eat storage device connection, the outer end of grain storage lid (1) sets vacuum tube joint (2), in the grain storage lid (1) from outer end to the inner according to
The secondary First terrace (3) for setting latus rectum gradually to increase, second step face (4), two pieces of bands are set on the First terrace (3)
There is the cover plate (5) of air-vent, filter paper (6) is set between two cover plates (5)；Filtering branch is additionally provided with First terrace (3)
Frame (7), the filter holder (7) are located at two cover plates (5) towards the inner side of grain storage lid (1), filter holder (7) court
The side inner to grain storage lid (1) sets the first filter cotton (8), and filter holder (7) is set towards the side of grain storage lid (1) outer end
Second filter cotton (9)；Also include being located at fixed cover (10) of the first filter cotton (8) towards grain storage lid (1) inner side；The mistake
Filter support (7), the first filter cotton (8), the second filter cotton (9), fixed cover (10) are top towards grain storage lid (1) interior extreme direction
Pyramidal structure, the top of the filter holder (7) sets through hole (11), outer rim and the grain storage lid of first filter cotton (8)
(1) inwall contact, the inwall of the outer rim of the fixed cover (10) not with grain storage lid (1) contact.
2. the device of a kind of Chalk-dust filtering according to claim 1, it is characterised in that also include being arranged on second step face
(4) elastic seal cartridge (12) of the ring-type on.
3. the device of a kind of Chalk-dust filtering according to claim 1, it is characterised in that the vacuum tube joint (2) and lid
There is gap between plate (5).
A kind of 4. device of Chalk-dust filtering according to claim 1, it is characterised in that the air-vent on two cover plates (5)
It is facing each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721088479.4U CN207137557U (en) | 2017-08-28 | 2017-08-28 | A kind of device of Chalk-dust filtering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721088479.4U CN207137557U (en) | 2017-08-28 | 2017-08-28 | A kind of device of Chalk-dust filtering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207137557U true CN207137557U (en) | 2018-03-27 |
Family
ID=61670399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721088479.4U Expired - Fee Related CN207137557U (en) | 2017-08-28 | 2017-08-28 | A kind of device of Chalk-dust filtering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207137557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308740A (en) * | 2017-08-28 | 2017-11-03 | 重庆洁邦电器有限公司 | A kind of device of Chalk-dust filtering |
-
2017
- 2017-08-28 CN CN201721088479.4U patent/CN207137557U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107308740A (en) * | 2017-08-28 | 2017-11-03 | 重庆洁邦电器有限公司 | A kind of device of Chalk-dust filtering |
| CN107308740B (en) * | 2017-08-28 | 2019-03-19 | 重庆洁邦电器有限公司 | A kind of device filtering dust |
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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: 20180327 Termination date: 20200828 |