CN211678790U - Building rubbish winnowing equipment - Google Patents
Building rubbish winnowing equipment Download PDFInfo
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- CN211678790U CN211678790U CN201922438538.1U CN201922438538U CN211678790U CN 211678790 U CN211678790 U CN 211678790U CN 201922438538 U CN201922438538 U CN 201922438538U CN 211678790 U CN211678790 U CN 211678790U
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- air
- air inlet
- pipe
- air outlet
- centrifugal fan
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- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 9
- 238000000926 separation method Methods 0.000 claims abstract description 33
- 238000010276 construction Methods 0.000 claims description 15
- 239000002699 waste material Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 19
- 125000004122 cyclic group Chemical group 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 239000012535 impurity Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 241000883990 Flabellum Species 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to a building rubbish air classification equipment, including feed inlet, feed valve, separation chamber, first discharge valve, play tuber pipe, cyclone, second discharge valve, return air pipe, centrifugal fan and air-supply line. The upper end of the feed valve is connected with the feed inlet, and the lower end of the feed valve is connected with the separation chamber; a discharge opening at the lower end of the separation chamber is connected with a first discharge valve, and an air outlet is connected with an air inlet of the cyclone separator through an air outlet pipe; the lower end discharge opening of the cyclone separator is connected with a second discharge valve, the upper end air outlet is connected with the air inlet of the centrifugal fan through a return air pipe, and the air inlet on the side wall is connected with an air outlet pipe; the air outlet of the centrifugal fan is connected with the air inlet pipe; one end of the air inlet pipe is connected with an air outlet of the centrifugal fan, and the other end of the air inlet pipe is connected with an air inlet of the separation chamber. The utility model discloses the clean air current after the separation of cyclone passes through the return air duct at the inside air separator and gets into centrifugal fan cyclic utilization once more, has effectively reduced dust emission and dust collecting equipment's expenditure.
Description
Technical Field
The utility model belongs to the technical field of construction waste recovery processing technique and specifically relates to a construction waste winnowing equipment is related to.
Background
The common construction waste contains various impurities such as wood, plastics, fabrics and metals, wherein the density of the light flexible impurities such as wood, plastics and fabrics is lower than that of bricks, tiles and concrete, and the light flexible impurities in the construction waste need to be removed as far as possible in order to ensure the recycling of the construction waste. Air separation equipment is generally used for removing light and flexible impurities such as wood, plastics, fabrics and the like in the construction waste.
The existing building rubbish winnowing equipment mainly separates light flexible impurities with low density from other impurities with high density by air blown out by a centrifugal fan. Some dust-containing gases generated after the separation of light and heavy impurities are directly discharged, and some dust-containing gases need matched air draft equipment, are collected in a centralized manner and are sent to a dust remover to be treated and then are discharged into the atmosphere. If the air separation plant is operated in an outdoor space, many process designs have chosen to discharge the dust-laden gas directly into the atmosphere, but national environmental regulations have not allowed the direct discharge of untreated dust-laden gas. If the winnowing equipment runs indoors, the winnowing equipment is generally matched with a gas collecting device, dust-containing gas is collected in a centralized manner, sent to a dust remover for dust removal and then discharged into the atmosphere, and the air volume of the matched gas collecting device and the dust remover is larger than that of the winnowing machine.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the problem that the air quantity of a gas collecting device and a dust remover matched with the building garbage winnowing equipment in the prior art generates dust-containing gas and is larger than the air quantity of the winnowing machine is solved, and the required matched air quantity of the gas collecting device and the dust remover is only 5% -8% of the air quantity of the dust collector.
The utility model provides a technical scheme that its technical problem adopted is: a building rubbish winnowing device comprises a feeding hole, a feeding valve, a separating chamber, a first discharging valve, an air outlet pipe, a cyclone separator, a second discharging valve, an air return pipe, a centrifugal fan and an air inlet pipe; the upper end of the feed valve is connected with the feed inlet, and the lower end of the feed valve is connected with the feed opening of the separation chamber; a discharge opening at the lower end of the separation chamber is connected with a first discharge valve, and an air outlet of the separation chamber is connected with an air inlet of the cyclone separator through an air outlet pipe; one end of the air outlet pipe is connected with an air outlet of the separation chamber, and the other end of the air outlet pipe is connected with an air inlet of the cyclone separator; the lower end discharge opening of the cyclone separator is connected with a second discharge valve, the upper end air outlet is connected with the air inlet of the centrifugal fan through a return air pipe, and the air inlet on the side wall is connected with an air outlet pipe; the air outlet of the centrifugal fan is connected with the air inlet pipe; one end of the air inlet pipe is connected with an air outlet of the centrifugal fan, and the other end of the air inlet pipe is connected with an air inlet of the separation chamber.
Furthermore, one end of the air inlet pipe is connected with an air outlet of the centrifugal fan, the other end of the air inlet pipe is connected with an air inlet of the separation chamber, and the air inlet pipe is connected with an internal pressure regulating valve.
Furthermore, a manhole is arranged on the separation chamber.
Preferably, an observation window is arranged on the manhole.
Further, the feeding valve is a star-shaped feeding valve.
Furthermore, first discharge valve, second discharge valve are star type discharge valve.
Furthermore, the flabellum of centrifugal fan is wear-resisting steel material.
The utility model has the advantages that:
1. clean airflow separated by the cyclone separator enters the centrifugal fan again through the return air pipe for cyclic utilization in the winnowing equipment, compared with the prior art, the air quantity of the matched air collecting device and the matched dust remover is only 5% -8% of the total air quantity of the winnowing machine, the equipment investment and the operation cost are reduced, and meanwhile, the dust emission is effectively reduced and the energy consumption is reduced;
2. the star-shaped feeding valve and the star-shaped discharging valve with high air tightness are adopted, so that the air leakage rate is reduced; adopt high wear-resisting type centrifugal fan, centrifugal fan's flabellum is wear-resisting steel material, and centrifugal fan's operation is more stable.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a perspective view of an embodiment of the construction waste winnowing device of the present invention, wherein solid arrows indicate the circulation process of air flow in the winnowing device.
Fig. 2 is a side view of an embodiment of the construction waste winnowing device of the present invention.
In the figure: 1 feed inlet, 2 feed valves, 3 separation chambers, 4 first discharge valves, 5 second discharge valves, 6 air outlet pipes, 7 cyclone separators, 8 air return pipes, 9 centrifugal fans, 10 air inlet pipes, 11 internal pressure regulating valves, 12 manholes and 13 observation windows.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1 and 2, a building rubbish winnowing device, including feed inlet 1, feed valve 2, separation chamber 3, first discharge valve 4, play tuber pipe 6, cyclone 7, second discharge valve 5, return air pipe 8, centrifugal fan 9, air-supply line 10, interior pressure regulating valve 11, manhole 12 and observation window 13.
The upper end of the feed valve 2 is connected with the feed inlet 1, the lower end of the feed valve is connected with the feed opening of the separation chamber 3, the construction waste is fed into the feed valve 2 through the feed inlet 1 through the conveying device and enters the separation chamber 3 through the feed valve 2, and the feed valve 2 is a high-air-tightness star-shaped feed valve and can prevent air from escaping from the feed inlet.
Air blown out by the centrifugal fan 9 enters the separating chamber 3 through an air inlet pipe 10 connected with an air outlet of the centrifugal fan 9, the air separation process of heavy materials and light materials is completed in the separating chamber 3, the heavy materials are discharged through a first discharge valve 4 connected with a discharge opening at the lower end of the separating chamber 3, and the first discharge valve 4 is a high-air-tightness heavy material star-shaped discharge valve.
The light materials enter a cyclone separator 7 along with the airflow through an air outlet pipe 6 with one end connected with an air outlet of the separation chamber 3 for gas and light material separation, and the other end of the air outlet pipe 6 is connected with an air inlet of the cyclone separator 7.
Plastics, fabrics, wood, dust and the like in the light materials are separated in the cyclone separator 7 and discharged through a second discharge valve 5 connected with a discharge port at the lower end of the cyclone separator 7, and the second discharge valve 5 is a high-airtightness light material star-shaped discharge valve.
Surplus clean gas gets into the centrifugal fan 9 that air intake and return air pipe 8 link to each other in the return air pipe 8 that is connected with 7 upper ends air outlets of cyclone, blows off through the air-supply line 10 that is connected with the centrifugal fan 9 air outlet by centrifugal fan 9 again, thereby is in a building rubbish air separation equipment inner loop utilizes, and centrifugal fan 9 is high wear-resisting type centrifugal fan, and centrifugal fan 9's flabellum is wear-resisting steel material, even there is some dust to also can guarantee the stability of centrifugal fan 9 operation in getting into centrifugal fan 9 through return air pipe 8.
An internal pressure regulating valve 11 is arranged on the air inlet pipe 10, air quantity which is 5% -8% of the total air quantity of the centrifugal fan can be discharged by regulating the opening size of the internal pressure regulating valve 11, and discharged air is processed by matching with a small dust remover.
5% -8% of discharged air volume is supplemented through the gaps of the feed valve 2, the first discharge valve 4 and the second discharge valve 5, the feed valve 2, the first discharge valve 4 and the second discharge valve 5 are ensured to be in an external air inlet state, and therefore dust is prevented from leaking from the gaps of the feed valve 2, the first discharge valve 4 and the second discharge valve 5.
The separation chamber 3 is also provided with a manhole 12 for daily maintenance, and the manhole 12 is provided with an observation window 13 for observing the blocking condition in the separation chamber in time.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The utility model provides a building rubbish air classification equipment which characterized in that: comprises a feed inlet, a feed valve, a separation chamber, a first discharge valve, an air outlet pipe, a cyclone separator, a second discharge valve, an air return pipe, a centrifugal fan and an air inlet pipe;
the upper end of the feed valve is connected with the feed inlet, and the lower end of the feed valve is connected with the feed opening of the separation chamber; a discharge opening at the lower end of the separation chamber is connected with a first discharge valve, and an air outlet of the separation chamber is connected with an air inlet of the cyclone separator through an air outlet pipe; one end of the air outlet pipe is connected with an air outlet of the separation chamber, and the other end of the air outlet pipe is connected with an air inlet of the cyclone separator; the lower end discharge opening of the cyclone separator is connected with a second discharge valve, the upper end air outlet is connected with the air inlet of the centrifugal fan through a return air pipe, and the air inlet on the side wall is connected with an air outlet pipe; the air outlet of the centrifugal fan is connected with the air inlet pipe; one end of the air inlet pipe is connected with an air outlet of the centrifugal fan, and the other end of the air inlet pipe is connected with an air inlet of the separation chamber.
2. The construction waste winnowing device according to claim 1, characterized in that: one end of the air inlet pipe is connected with an air outlet of the centrifugal fan, the other end of the air inlet pipe is connected with an air inlet of the separation chamber, and the air inlet pipe is connected with an internal pressure regulating valve.
3. The construction waste winnowing device according to claim 1, characterized in that: and a manhole is arranged on the separation chamber.
4. The construction waste winnowing device according to claim 3, characterized in that: and an observation window is arranged on the manhole.
5. The construction waste winnowing device according to claim 1, characterized in that: the feed valve is a star-shaped feed valve.
6. The construction waste winnowing device according to claim 1, characterized in that: the first discharge valve and the second discharge valve are star-shaped discharge valves.
7. The construction waste winnowing device according to claim 1, characterized in that: the centrifugal fan blade is made of wear-resistant steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438538.1U CN211678790U (en) | 2019-12-30 | 2019-12-30 | Building rubbish winnowing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922438538.1U CN211678790U (en) | 2019-12-30 | 2019-12-30 | Building rubbish winnowing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211678790U true CN211678790U (en) | 2020-10-16 |
Family
ID=72796660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922438538.1U Active CN211678790U (en) | 2019-12-30 | 2019-12-30 | Building rubbish winnowing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211678790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676157A (en) * | 2021-02-01 | 2021-04-20 | 瑞泰环保装备有限公司 | Garbage winnowing equipment and winnowing method |
| CN113857040A (en) * | 2021-08-24 | 2021-12-31 | 浙矿重工股份有限公司 | Light material selecting and removing device |
-
2019
- 2019-12-30 CN CN201922438538.1U patent/CN211678790U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676157A (en) * | 2021-02-01 | 2021-04-20 | 瑞泰环保装备有限公司 | Garbage winnowing equipment and winnowing method |
| CN113857040A (en) * | 2021-08-24 | 2021-12-31 | 浙矿重工股份有限公司 | Light material selecting and removing device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211231 Address after: 213100 c402, 901 Liaohe Road, Xinqiao Town, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Ruitai environmental protection equipment Co.,Ltd. Address before: 213032 c402, 901 Liaohe Road, Xinqiao Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Ruitai environmental protection equipment Co.,Ltd. Patentee before: Jiangsu Xinsiwei Environmental Protection Technology Co., Ltd |