CN212608290U

CN212608290U - Calcium industry hopper collection dirt recovery unit

Info

Publication number: CN212608290U
Application number: CN202020781831.8U
Authority: CN
Inventors: 周建红; 洪跃光; 周建光
Original assignee: Zhejiang Jiande Hongxing Calcium Co ltd
Current assignee: Zhejiang Jiande Hongxing Calcium Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-02-26
Anticipated expiration: 2030-05-12

Abstract

The utility model provides a calcium industry hopper dust collection recovery unit, which comprises a hopper, wherein a dust cover is fixedly covered on the hopper, the main body of the dust cover is cylindrical, the dust cover is provided with a first dust absorption hole and a second dust absorption hole along the tangential direction, and the first dust absorption hole and the second dust absorption hole are centrosymmetric along the center of a circle; a first dust suction pipe is sleeved outside the first dust suction hole, a second dust suction pipe is sleeved outside the second dust suction hole, and a guide block is arranged on the inner wall above the dust cover; the first dust suction pipe is connected to the main pipe through a first connecting pipe, and the second dust suction pipe is connected to the main pipe through a second connecting pipe; the main pipe is connected to an auxiliary pipe through a dust collecting device, and the auxiliary pipe is connected with an exhaust fan. The utility model discloses set up the dust cover above the hopper to take away the dust to dust collecting device through dust cover inner loop air current, reduce environmental pollution and can recycle the dust, avoided the raw materials extravagant.

Description

Calcium industry hopper collection dirt recovery unit

Technical Field

The utility model belongs to the technical field of the dust removal technique and specifically relates to a calcium industry hopper collection dirt recovery unit is related to.

Background

The ring roller mill has the advantages of simple structure, easy operation, simple and convenient maintenance, durable equipment, low price of complete equipment and low investment and production cost, so the ring roller mill is widely applied to the field of crushing and processing of non-metallic ores, in particular to the crushing and processing of materials such as heavy calcium, kaolin, talc, wollastonite, barite, feldspar, furnace slag and the like. At present, the ring roller mill used comprises a main machine, wherein a feed inlet is formed in the main machine, a hopper is arranged at the feed inlet, a plurality of air return ports are also formed in the main machine, a conveying belt is arranged between an outlet of the feed inlet and the feed inlet, materials are crushed by a crusher and then fed into the hopper, then fall onto the conveying belt from the outlet of the hopper, and enter the main machine of the ring roller mill for secondary crushing and grinding, so that the upper end of the hopper is generally open for feeding, the materials crushed by the crusher can generate a large amount of dust after entering the hopper, and the dust floats around, so that the whole production environment is influenced, and meanwhile, for workers in a production field, too much dust is sucked, and the body of the workers is easily influenced badly; meanwhile, the dust is also one of the production raw materials, and the scattering of the dust in other places can cause the waste of the raw materials.

SUMMERY OF THE UTILITY MODEL

The utility model provides a near the dust that produces of hopper cause environmental pollution and the extravagant problem of raw materials, provided a calcium industry hopper collection dirt recovery unit, set up the dust cover above the hopper to take away the dust to dust collecting device through the dust cover inner loop air current, reduce environmental pollution and can recycle the dust, avoided the raw materials extravagant.

In order to achieve the above object, the present invention provides the following technical solutions:

a calcium industry hopper dust collection recovery unit comprises a hopper, wherein a dust cover is fixedly covered on the hopper, the main body of the dust cover is cylindrical, a first dust collection hole and a second dust collection hole are formed in the dust cover in the tangential direction, and the first dust collection hole and the second dust collection hole are centrosymmetric along the circle center; a first dust suction pipe is sleeved outside the first dust suction hole, a second dust suction pipe is sleeved outside the second dust suction hole, and a guide block is arranged on the inner wall above the dust cover; the first dust suction pipe is connected to the main pipe through a first connecting pipe, and the second dust suction pipe is connected to the main pipe through a second connecting pipe; the main pipe is connected to an auxiliary pipe through a dust collecting device, and the auxiliary pipe is connected with an exhaust fan.

The air exhauster works to draw out air from the inner wall of the dust cover along the tangential direction of the circle center to form a convection vortex, the air pressure of the dust cover is lowered, so that the air above the dust cover flows into the dust cover, the dust is driven to enter the first dust suction hole and the second dust suction hole, and the dust enters the main pipe through the first dust suction pipe and the second dust suction pipe and finally falls into the dust collecting device. The convection vortex has high flow velocity and centrifugal force, and is favorable for dust to enter the first dust suction hole and the second dust suction hole.

Preferably, the dust collecting device comprises a connecting shell, a filter bag and a sealing door, one side of the connecting shell is fixed with one end of the main pipe, the other side of the connecting shell is fixed with one end of the auxiliary pipe, and the filter bag is tightly sleeved at one end of the main pipe; one end of the sealing door is hinged with one side of the bottom of the connecting shell, and the other end of the sealing door is in threaded connection with the other side of the bottom of the connecting shell. When the filter bag stores a certain amount of dust, open the sealing door, take out the filter bag from being responsible for, take off the dust of filter bag and overlap again after follow-up raw materials storage jar and be responsible for again, close the sealing door again at last.

Preferably, the filter bag is provided with two layers of filter gauze. The two layers of filtering gauzes are arranged to increase the surface area for intercepting dust, so that more dust can be intercepted, and unnecessary waste of raw materials is avoided.

Preferably, the outer wall of one end of the main pipe is provided with a convex block, the filter bag is sleeved on the convex block, and a rubber ring is arranged to tightly sleeve the filter bag on the outer wall of the main pipe. The lug and the rubber ring are arranged to fix the filter bag.

Preferably, a first sealing gasket is arranged between the connecting shell and the secondary pipe, and a second sealing gasket is arranged between the connecting shell and the secondary pipe. The first sealing gasket and the second sealing gasket are arranged to ensure the air tightness of the device and prevent dust from leaking from the gap.

Preferably, a third gasket is arranged between the connecting shell and the sealing door. The third sealing gasket is arranged to ensure the air tightness of the device and prevent dust from leaking from the gap.

The utility model discloses there is following beneficial effect: the first dust absorption hole and the second dust absorption hole are symmetrically arranged along the center of the circle to generate convection vortex, the flow velocity of the convection vortex is high, the centrifugal force is realized, and dust suction is facilitated; two layers of filter gauze are arranged to increase the surface area for intercepting dust, so that more dust can be intercepted, and unnecessary waste of raw materials is avoided; the first sealing gasket, the second sealing gasket and the third sealing gasket are arranged to ensure the air tightness of the device and prevent dust from leaking from the gap.

Drawings

FIG. 1 is an overall configuration diagram of the present embodiment;

FIG. 2 is a top view of the dust cap of the present embodiment;

FIG. 3 is a sectional view of the dust collecting device in the present embodiment;

wherein: 1. Hopper 2, dust cover 3, first dust absorption pipe 4, second dust absorption pipe 5, guide block 6, first connecting pipe 7, second connecting pipe 8, main pipe 9, auxiliary pipe 10, air exhauster 11, dust collecting device 12, connecting shell 13, filter bag 14, sealing door 15, lug 16, rubber ring 17, first sealing gasket 18, third sealing gasket.

Detailed Description

Example (b):

the embodiment provides a calcium industry hopper dust collection and recovery device, and referring to fig. 1, the device comprises a hopper 1, a dust cover 2 is fixedly covered on the hopper 1, the main body of the dust cover 2 is cylindrical, a first dust collection hole and a second dust collection hole are arranged on the dust cover 2 along the tangential direction, and the first dust collection hole and the second dust collection hole are centrosymmetric along the center of a circle; a first dust suction pipe 3 is sleeved outside the first dust suction hole, a second dust suction pipe 4 is sleeved outside the second dust suction hole, and a guide block 5 is arranged on the inner wall above the dust cover 2; the first dust suction pipe 3 is connected to the main pipe 8 through a first connection pipe 6, and the second dust suction pipe 4 is connected to the main pipe 8 through a second connection pipe 7; the main pipe 8 is connected to the secondary pipe 9 via a dust collecting device 11, and the secondary pipe 9 is connected to an exhaust fan 10. The dust collecting device 11 comprises a connecting shell 12, a filter bag 13 and a sealing door 14, one side of the connecting shell 12 is fixed with one end of the main pipe 8, the other side of the connecting shell 12 is fixed with one end of the auxiliary pipe 9, and the filter bag 13 is tightly sleeved at one end of the main pipe 8; one end of the sealing door 14 is hinged with one side of the bottom of the connecting shell 12, the other end of the sealing door 14 is in threaded connection with the other side of the bottom of the connecting shell 12, and the filter bag 13 is provided with two layers of filter gauze. The outer wall of one end of the main pipe 8 is provided with a convex block 15, the filter bag 13 is sleeved on the convex block 15, and a rubber ring 16 is arranged to tightly sleeve the filter bag 13 on the outer wall of the main pipe 8. A first sealing gasket 17 is arranged between the connecting shell 12 and the secondary pipe 9, and a second sealing gasket is arranged between the connecting shell 12 and the secondary pipe 9. A third gasket 18 is provided between the connecting shell 12 and the sealing door 14.

When the filter bag stores a certain amount of dust, open the sealing door, take out the filter bag from being responsible for, take off the dust of filter bag and overlap again after follow-up raw materials storage jar and be responsible for again, close the sealing door again at last.

The two layers of filtering gauzes are arranged to increase the surface area for intercepting dust, so that more dust can be intercepted, and unnecessary waste of raw materials is avoided. The lug and the rubber ring are arranged to fix the filter bag.

The first sealing gasket and the second sealing gasket are arranged to ensure the air tightness of the device and prevent dust from leaking from the gap. The third sealing gasket is arranged to ensure the air tightness of the device and prevent dust from leaking from the gap.

Claims

1. A calcium industry hopper dust collection recovery unit is characterized by comprising a hopper (1), wherein a dust cover (2) is fixedly covered on the hopper (1), the main body of the dust cover (2) is cylindrical, a first dust absorption hole and a second dust absorption hole are formed in the dust cover (2) along the tangential direction, and the first dust absorption hole and the second dust absorption hole are centrosymmetric along the center of a circle; a first dust suction pipe (3) is sleeved outside the first dust suction hole, a second dust suction pipe (4) is sleeved outside the second dust suction hole, and a guide block (5) is arranged on the inner wall above the dust cover (2); the first dust suction pipe (3) is connected to the main pipe (8) through a first connecting pipe (6), and the second dust suction pipe (4) is connected to the main pipe (8) through a second connecting pipe (7); the main pipe (8) is connected to an auxiliary pipe (9) through a dust collecting device (11), and the auxiliary pipe (9) is connected with an exhaust fan (10).

2. The calcium industry hopper dust collection and recovery device as claimed in claim 1, wherein the dust collection device (11) comprises a connecting shell (12), a filter bag (13) and a sealing door (14), one side of the connecting shell (12) is fixed with one end of the main pipe (8), the other side of the connecting shell (12) is fixed with one end of the secondary pipe (9), and the filter bag (13) is tightly sleeved on one end of the main pipe (8); one end of the sealing door (14) is hinged with one side of the bottom of the connecting shell (12), and the other end of the sealing door (14) is in threaded connection with the other side of the bottom of the connecting shell (12).

3. The calcium industry hopper dust collection and recovery device as claimed in claim 2, wherein the filter bag (13) is provided with two layers of filter gauze.

4. The calcium industry hopper dust collection and recovery device as claimed in claim 2, wherein the outer wall of one end of the main pipe (8) is provided with a projection (15), the filter bag (13) is sleeved on the projection (15), and a rubber ring (16) is arranged to tightly sleeve the filter bag (13) on the outer wall of the main pipe (8).

5. The calcium industry hopper dust collection and recovery device as recited in claim 2, wherein a first sealing gasket (17) is provided between the connection shell (12) and the secondary pipe (9), and a second sealing gasket is provided between the connection shell (12) and the secondary pipe (9).

6. The calcium industry hopper dust collection and recovery device as recited in claim 2, wherein a third gasket (18) is disposed between the connection housing (12) and the sealing door (14).