CN210699218U - Cement jar exhaust dust pelletizing system - Google Patents
Cement jar exhaust dust pelletizing system Download PDFInfo
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- CN210699218U CN210699218U CN201921652471.5U CN201921652471U CN210699218U CN 210699218 U CN210699218 U CN 210699218U CN 201921652471 U CN201921652471 U CN 201921652471U CN 210699218 U CN210699218 U CN 210699218U
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Abstract
The utility model provides a cement jar exhaust dust pelletizing system, includes the cement jar, and cement jar upper end is equipped with the gas vent, is equipped with the valve in the gas vent, and the cement jar is equipped with a plurality of, has the one-level blast pipe in addition, and every gas vent all is connected with the one-level blast pipe, and the one end of keeping away from the cement jar at the one-level blast pipe is connected with the pulsed sack cleaner, even has the draught fan at the air outlet end of pulsed sack dust shaker. Let gas vent and pulsed sack cleaner connect, the rethread draught fan is bled, can take the air out from the cement jar to can filter the dust removal to the air current, can prevent that the air current from causing air pollution from the cement dust that takes away in the cement jar. Because every cement jar does not need to exhaust dust removal all the time, only need the exhaust operation after the feeding, consequently connect a plurality of cement jar and share a pulsed sack cleaner, can also save the cost of equipment when reaching dust removal effect.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to cement jar exhaust dust pelletizing system.
Background
At present, the feeding mode of the cement tank in the cement mixing plant is mostly wind power conveying, and the cement delivery wagon blows in compressed air through the air compressor from the area into the feeding hose of cement tank promptly, blows the pressure into the cement tank feed inlet that is located the eminence cement from the low. Because the air pressure inside the cement tank is increased in the process of introducing compressed air into the cement tank by feeding in such a way, the cement tank needs to be exhausted.
The existing exhaust device is mainly used for directly opening an exhaust port at the top of the cement tank to directly exhaust the cement tank.
The above prior art solution has the following drawbacks: when the air is exhausted through the air outlet, the air pressure in the cement tank is large, and the flow speed of the air flow is high during the air exhaust, so that the cement in the cement tank can be taken out by the air flow in the air exhaust process, and the cement dust can be scattered in the air flow to cause air pollution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cement jar exhaust dust pelletizing system, it has the effect that can not air pollution when exhausting to the not enough that prior art exists.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a cement jar exhaust dust pelletizing system, includes the cement jar, and cement jar upper end is equipped with the gas vent, is equipped with the valve in the gas vent, and the cement jar is equipped with a plurality of, has the one-level blast pipe in addition, and every gas vent all is connected with the one-level blast pipe, and the one end of keeping away from the cement jar at the one-level blast pipe is connected with the pulsed sack cleaner, even has the draught fan at the air outlet end of pulsed sack dust shaker.
Through above-mentioned technical scheme, let gas vent and pulsed sack cleaner be connected, the rethread draught fan is bled, can take the air out from the cement jar to can filter the dust removal to the air current, can prevent that the cement dust that the air current carried over from the cement jar from causing air pollution. Because every cement jar does not need to exhaust dust removal all the time, only need the exhaust operation after the feeding, consequently connect a plurality of cement jar and share a pulsed sack cleaner, can also save the cost of equipment when reaching dust removal effect.
The utility model discloses a further set up to: the upper end of the cement tank is also provided with a one-way valve which only can allow airflow to enter the cement tank from the outside of the cement tank.
Through above-mentioned technical scheme, accomplish the feeding when the cement jar, when cement jar internal gas pressure is higher than atmospheric pressure, the air current can not dash out outside the cement jar through the check valve in the cement jar, and after accomplishing the exhaust, if the draught fan continues convulsions, then can make and form the negative pressure in the cement jar, the air current will enter into the cement jar through the check valve this moment, balanced atmospheric pressure can prevent to bleed because of the draught fan transition and the inside too big negative pressure that forms of cement jar that causes, improve equipment security.
The utility model discloses a further set up to: be equipped with circular shape dustproof separation blade in the gas vent, the flow direction of air current in the dustproof separation blade surface perpendicular to gas vent is equipped with the clearance that is used for the air current to pass through between dustproof separation blade circle limit and the gas vent inner wall, is equipped with the connecting rod around the dustproof separation blade, connecting rod and gas vent inner wall fixed connection still are equipped with annular dustproof fender ring on the inner wall of gas vent, dustproof fender ring internal diameter is less than dustproof separation blade diameter, dustproof fender ring is located the flow direction of dustproof separation blade top and surface perpendicular to air current.
Through the technical scheme, when exhausting, the air current that has the cement dust is when reacing dustproof separation blade, because the stopping of dustproof separation blade, the air current can be to flowing all around, pass through from the clearance between dustproof separation blade and the gas vent inner wall, and can reachd dustproof fender ring after this, under the stopping of dustproof fender ring, the air current will gather together to the centre again, through the direction of twice change air current in succession, the cement dust that enables in the air current is blockked on dustproof separation blade and dustproof fender ring because of the effect of self inertia power, can reduce the cement dust that the air current brought out from the cement jar. And after the exhaust is finished, the cement dust can return to the cement tank to a certain extent, so that the loss of cement raw materials is reduced.
The utility model discloses a further set up to: the dustproof blocking piece and the dustproof blocking ring form a dustproof unit, and the dustproof unit is uniformly provided with a plurality of dustproof units along the axial direction of the exhaust port.
Through above-mentioned technical scheme, establish multiunit dustproof separation blade and dust guard, the cement dust that takes out in the reduction air current of ability great degree reduces the loss of cement raw materials.
The utility model discloses a further set up to: the lower end of the dust discharging port of the pulse bag-type dust collector is provided with a collecting tank for collecting filtered cement dust.
Through above-mentioned technical scheme, utilize pulsed sack cleaner to remove dust the back many times, can pile up a certain amount of cement dust in the pulsed sack cleaner, after opening the dust exhaust mouth of pulsed sack cleaner lower extreme, cement will fall into the collecting vat, conveniently filters the collection and the recovery of back cement.
The utility model discloses a further set up to: foretell pulsed sack cleaner, a set of dust collecting equipment is constituteed to draught fan and rather than the cement jar of a plurality of being connected, dust collecting equipment is equipped with a plurality of groups, there is the second grade blast pipe in addition, the one end of draught fan air-out in every group dust collecting equipment all is connected with the second grade blast pipe, the one end that the draught fan was kept away from to the second grade blast pipe even has the dust removal water pitcher, be equipped with water in the dust removal water pitcher, the second grade blast pipe inserts the aquatic, dust removal water pitcher upper portion still is equipped with and.
Through the technical scheme, the pulse type bag-type dust remover cannot achieve one hundred percent of dust removal, the air flow discharged from the pulse type bag-type dust remover still contains a small amount of dust, the air flow discharged from the pulse type bag-type dust remover is introduced into water, and the air flow is emptied after being subjected to gas washing treatment, so that the residual small amount of dust in the air flow can be completely removed, and the dust removal effect of the system is improved. Because the amount of dust contained in the air current that leads to from the pulsed sack cleaner is very little, utilize a dust removal water pitcher just enough to carry out the gas washing to multiunit equipment, so let multiunit equipment connect in same dust removal water pitcher, can save equipment cost and the required area of equipment.
The utility model discloses a further set up to: the side wall of one end of the secondary exhaust pipe inserted into the water is provided with an air distribution hole for fully contacting the air flow and the water.
Through above-mentioned technical scheme, can let the air current pass through the gas distribution hole and get into the aquatic, enable air current and water abundant contact, improve the effect of washing gas, fully wash off the dust in the air current.
The utility model discloses a further set up to: the secondary exhaust pipe is connected with a safety tank for preventing water in the dust removal water tank from flowing backwards during back suction, an exhaust branch pipe is further arranged on the secondary exhaust pipe between the safety tank and the dust removal water tank, and a valve is arranged on the exhaust branch pipe.
Through above-mentioned technical scheme, at the convulsions in-process of draught fan, if equipment stops when the trouble, will form the negative pressure in the system this moment, during water in the dust removal water pitcher will be sucked the second blast pipe backward this moment, if during water refluences the income draught fan, then cause the damage of equipment easily, consequently through adding and establishing the safety can, when enabling to take place the suck-back, hydroenergy flows into the safety can, prevents that water from reaching the position of other equipment, improve equipment security. Before the exhaust dedusting operation is completed and the induced draft fan is closed, the valve on the exhaust branch pipe is opened firstly, so that the air pressure in the system is balanced due to the fact that the air is communicated, and backflow caused by closing of the induced draft fan under a normal state can be prevented.
To sum up, the beneficial effects of the utility model are that:
1. air pollution can not be caused when the cement tank is exhausted;
2. the dust removal rate is high;
3. the equipment safety is good;
4. the cement raw materials can be recycled;
5. the equipment cost is low, and the occupied area is small.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment;
FIG. 2 is a schematic structural diagram of a single-group dust removing device of the embodiment;
FIG. 3 is a schematic structural diagram of a cement silo;
FIG. 4 is a schematic structural view of a dustproof unit;
fig. 5 is a schematic structural diagram of the dedusting water tank.
In the figure, 10, a dust removing device; 11. a cement silo; 12. an exhaust port; 121. a dust-proof unit; 122. a dustproof baffle plate; 123. a connecting rod; 124. a dustproof baffle ring; 13. a one-way valve; 14. a primary exhaust pipe; 20. a pulse bag dust collector; 21. collecting tank; 22. an induced draft fan; 30. a secondary exhaust pipe; 31. distributing air holes; 32. an exhaust branch pipe; 40. a dust removal water tank; 41. emptying the air; 50. a safety tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to the attached drawings 1 and 2, the cement tank exhaust dust removal system comprises four groups of dust removal equipment 10, wherein each group of dust removal equipment 10 comprises five cement tanks 11, a primary exhaust pipe 14, a pulse type bag-type dust remover 20 and an induced draft fan 22. The upper end of each cement tank 11 is provided with an exhaust port 12, the exhaust ports 12 are provided with valves, the exhaust ports 12 in each group of dust removing equipment 10 are connected to one-stage exhaust pipes 14, one end of each one-stage exhaust pipe 14 far away from the cement tank 11 is connected with the air inlet end of the pulse type bag-type dust remover 20, and the air outlet end of the pulse type bag-type dust remover 20 is connected with a draught fan 22.
Above-mentioned structure, when exhausting from cement jar 11, under the effect of draught fan 22, the air current in the cement jar 11 in every group all flows out through gas vent 12, gets into one-level blast pipe 14, and the preliminary dust removal to the exhaust air current is accomplished to the dust removal effect of rethread pulsed sack cleaner 20.
Referring to fig. 3 and 4, a circular dust-proof blocking piece 122 is arranged in each exhaust port 12, the surface of the dust-proof blocking piece 122 is perpendicular to the flow direction of the airflow in the exhaust port 12, a gap for the airflow to pass through is reserved between the circular edge of the dust-proof blocking piece 122 and the inner wall of the exhaust port 12, a connecting rod 123 is arranged around the dust-proof blocking piece 122, the connecting rod 123 is connected with the inner wall of the exhaust port 12, an annular dust-proof blocking ring 124 is further arranged on the inner wall of the exhaust port 12, the inner diameter of the dust-proof blocking ring 124 is smaller than the diameter of the dust-proof blocking piece 122, and the dust-. The dust-proof blocking plate 122 and the dust-proof blocking ring 124 form a dust-proof unit 121, and three dust-proof units 121 are uniformly arranged along the axial direction of the exhaust port 12.
In the above structure, when exhausting, the air flow with cement dust passes through the dust-proof baffle 122, and due to the blocking of the dust-proof baffle 122, the air flow can flow around, and pass through the gap between the dust-proof baffle 122 and the inner wall of the exhaust port 12, and then reach the dust-proof baffle ring 124, and under the blocking of the dust-proof baffle ring 124, the air flow gathers to the middle, and then the process is repeated, and the direction of the air flow is changed continuously for many times, so that the cement dust in the air flow is blocked on the dust-proof baffle 122 and the dust-proof baffle ring 124 due to the action of self inertia force.
Referring to fig. 2 and 3, a check valve 13 is further provided at the upper end of each cement silo 11 to allow air flow from the outside of the cement silo 11 to the inside of the cement silo 11. A collecting tank 21 for collecting filtered cement dust is arranged at the lower end of the dust discharging port of the pulse bag-type dust collector 20.
Foretell structure, when the feeding is accomplished to cement jar 11, when 11 interior atmospheric pressure of cement jar is higher than atmospheric pressure, 11 interior airflows of cement jar can not rush out outside 11 cement jars through check valve 13, and after accomplishing the exhaust, if draught fan 22 continues convulsions, then can make the interior negative pressure that forms of cement jar 11, the air current will enter into 11 cement jars through check valve 13 this moment, balanced atmospheric pressure. After the pulsed bag-type dust collector 20 is used for dedusting for multiple times, a certain amount of cement dust can be accumulated in the pulsed bag-type dust collector 20, and at the moment, the dust discharge port at the lower end of the pulsed bag-type dust collector 20 is opened, so that the collection tank 21 can be used for recycling the cement dust.
Referring to the attached drawings 1 and 5, a secondary exhaust pipe 30 is additionally arranged, one end of the air outlet of the induced draft fan 22 in each group of dust removing equipment 10 is connected with the secondary exhaust pipe 30, one end, far away from the induced draft fan 22, of the secondary exhaust pipe 30 is connected with a safety tank 50, the secondary exhaust hanger is further connected with a dust removing water tank 40 after passing through the safety tank 50, the secondary exhaust pipe 30 penetrates into the dust removing water tank 40, water is filled in the dust removing water tank 40, and the secondary exhaust pipe 30 is inserted into the water. The side wall of the part of the secondary exhaust pipe 30 inserted into the water is also provided with a plurality of air distribution holes 31. The upper part of the dedusting water tank 40 is also provided with a drain port 41 for discharging the airflow after dedusting, an exhaust branch pipe 32 is arranged on the secondary exhaust pipe 30 between the safety tank 50 and the dedusting water tank 40, and a valve is arranged on the exhaust branch pipe 32.
With the structure, after the air flow is dedusted by the pulse bag dust collector 20, the air flow of each group is converged into the secondary exhaust pipe 30, and after passing through the safety tank 50, the air flow is washed in the dedusting water tank 40 to complete secondary dedusting. The air distribution hole 31 at the port of the secondary exhaust pipe 30 ensures that the air flow can fully contact with water during air washing. The safety tank 50 is provided to prevent water from entering the apparatus and damaging the apparatus when reverse flow occurs. Before the exhaust dedusting operation is completed and the induced draft fan 22 is closed, the valve on the exhaust branch pipe 32 is opened, so that the air pressure in the system is balanced due to the communication with the atmosphere, and the backflow caused by the closing of the induced draft fan 22 in a normal state can be prevented.
The implementation principle of the embodiment is as follows:
1. when the cement tank 11 needs to be exhausted, the induced draft fan 22 of the group of dust removing equipment 10 where the cement tank 11 is located is firstly opened, and a valve on the cement pipe is opened, so that air in the cement tank 11 enters the primary exhaust pipe 14 through the exhaust port 12;
2. when passing through the exhaust port 12, the cement dust in the airflow is primarily separated under the action of the dustproof unit 121;
3. when the airflow passes through the pulse type bag-type dust collector 20, most of cement dust in the airflow is screened, and the screened cement dust is left in the pulse type bag-type dust collector 20;
4. after passing through the induced draft fan 22, the airflow continuously moves into the secondary exhaust pipe 30, then enters the dedusting water tank 40 through the safety tank 50, is washed in the dedusting water tank 40 to complete secondary dedusting, and is finally discharged into the air from the exhaust port 41;
5. when exhausting, if the induced draft fan 22 excessively exhausts, the one-way valve 13 on the cement tank 11 is opened, air enters the cement tank 11, and negative pressure is prevented from being formed in the cement tank 11;
6. when the suck-back phenomenon occurs in the system, the sucked-back water only enters the safety tank 50, and the water is prevented from entering other equipment to cause damage under the blocking of the safety tank 50.
7. After the exhaust is finished, the valves on the exhaust branch pipes 32 are opened, and then the valves on the induced draft fan 22 and the cement tank 11 are closed, so that the exhaust dust removal operation is finished.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a cement jar exhaust dust pelletizing system, includes cement jar (11), and cement jar (11) upper end is equipped with gas vent (12), is equipped with valve, its characterized in that in gas vent (12): cement jar (11) are equipped with a plurality of, have one-level blast pipe (14) in addition, and every gas vent (12) all are connected with one-level blast pipe (14), and the one end of keeping away from cement jar (11) in one-level blast pipe (14) is connected with pulsed sack cleaner (20), and it has draught fan (22) to link at the air outlet end of pulsed sack dust shaker.
2. The cement silo exhaust gas dust removal system of claim 1, wherein: the upper end of the cement tank (11) is also provided with a one-way valve (13) which can only allow airflow to enter the cement tank (11) from the outside of the cement tank (11).
3. The cement silo exhaust gas dust removal system of claim 1, wherein: be equipped with circular shape dustproof separation blade (122) in gas vent (12), the flow direction of air current in dustproof separation blade (122) surface perpendicular to gas vent (12), be equipped with the clearance that is used for the air current to pass through between dustproof separation blade (122) circle limit and gas vent (12) inner wall, be equipped with connecting rod (123) around dustproof separation blade (122), connecting rod (123) and gas vent (12) inner wall fixed connection, still be equipped with annular dustproof fender ring (124) on the inner wall of gas vent (12), dustproof fender ring (124) internal diameter is less than dustproof separation blade (122) diameter, dustproof fender ring (124) are located dustproof separation blade (122) top and the flow direction of surface perpendicular to air current.
4. The cement silo exhaust gas dust removal system of claim 3, characterized in that: the dustproof blocking piece (122) and the dustproof blocking ring (124) form a dustproof unit (121), and a plurality of dustproof units are uniformly arranged on the dustproof unit (121) along the axial direction of the exhaust port (12).
5. The cement silo exhaust gas dust removal system of claim 1, wherein: a collecting tank (21) for collecting the filtered cement dust is arranged at the lower end of the dust discharging port of the pulse bag-type dust collector (20).
6. The cement silo exhaust gas dust removal system of claim 1, wherein: foretell pulsed sack cleaner (20), a set of dust collecting equipment (10) are constituteed in draught fan (22) and rather than the cement jar (11) of a plurality of being connected, dust collecting equipment (10) are equipped with a plurality of groups, there is second grade blast pipe (30) in addition, the one end of draught fan (22) air-out all is connected with second grade blast pipe (30) in every group dust collecting equipment (10), the one end that draught fan (22) were kept away from in second grade blast pipe (30) even has dust removal water pitcher (40), be equipped with water in dust removal water pitcher (40), water is inserted in second grade blast pipe (30), dust removal water pitcher (40) upper portion still is equipped with and is used for accomplishing air current exhaust evacuation.
7. The cement silo exhaust gas dust removal system of claim 6, characterized in that: the side wall of one end of the secondary exhaust pipe (30) inserted into the water is provided with an air distribution hole (31) for fully contacting the air flow and the water.
8. The cement silo exhaust gas dust removal system of claim 6, characterized in that: the secondary exhaust pipe (30) is connected with a safety tank (50) for preventing water in the dedusting water tank (40) from flowing backwards during back suction, an exhaust branch pipe (32) is further arranged on the secondary exhaust pipe (30) between the safety tank (50) and the dedusting water tank (40), and a valve is arranged on the exhaust branch pipe (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652471.5U CN210699218U (en) | 2019-09-30 | 2019-09-30 | Cement jar exhaust dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921652471.5U CN210699218U (en) | 2019-09-30 | 2019-09-30 | Cement jar exhaust dust pelletizing system |
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| Publication Number | Publication Date |
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| CN210699218U true CN210699218U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921652471.5U Active CN210699218U (en) | 2019-09-30 | 2019-09-30 | Cement jar exhaust dust pelletizing system |
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| CN (1) | CN210699218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200247A (en) * | 2021-04-27 | 2021-08-03 | 中建筑港集团有限公司 | Storage and recovery silo for bulk cement |
-
2019
- 2019-09-30 CN CN201921652471.5U patent/CN210699218U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200247A (en) * | 2021-04-27 | 2021-08-03 | 中建筑港集团有限公司 | Storage and recovery silo for bulk cement |
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Address after: 311300 Ya Guan Cun, Qingshanhu street, Lin'an City, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Dingsheng building materials Co.,Ltd. Address before: 311300 Ya Guan Cun, Qingshanhu street, Lin'an City, Hangzhou City, Zhejiang Province Patentee before: LIN'AN DINGSHENG BUILDING MATERIAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |