CN212702379U - Low-noise cement grinding dust collector - Google Patents

Abstract

The utility model provides a low noise cement goes out to grind dust collector belongs to cement manufacture technical field for solve and lack in the current technique and fall making an uproar, carry out the device that gathers dust simultaneously at the cement mill. The raw material grinding device comprises a sound-proof housing and a dust removal box, wherein the sound-proof housing is arranged outside a raw material grinder, the sound-proof housing comprises an upper housing body and a lower housing body, a plurality of fixing plates are arranged on the upper housing body, the fixing plates are connected with the lower housing body through bolts, a fan is arranged on the inner side of the upper housing body, the air inlet end of the fan is connected with an air inlet pipe, the end part of the air inlet pipe is connected with a dust outlet of the raw material grinder, the air outlet end of the fan is connected with a first air outlet pipe, the end part of the first air outlet pipe is provided with a connecting pipe, the tail end of the connecting pipe is connected with the dust removal box, the; the utility model discloses can separate the noise to the cement mill, noise abatement pollutes, can subside, filter and collect the cement raise dust that the cement mill produced simultaneously.

Description

Low-noise cement grinding dust collector

Technical Field

The utility model belongs to the technical field of cement manufacture, a low noise cement goes out to grind dust collector is related to.

Background

The cement, the powdery hydraulic inorganic cementing material, which is mixed with water to form a slurry, can be hardened in the air or in water better, and can bond sand, stone and other materials firmly, the early mixture of lime and volcanic ash is very similar to the modern lime and volcanic ash cement, and the concrete made of broken stone cemented by the cement not only has higher strength but also can resist the erosion of fresh water or salt water, therefore, the cement is taken as an important cementing material and is widely applied to the engineering of civil construction, water conservancy, national defense and the like for a long time.

The cement mill is a key device for crushing materials after the materials are crushed, and a large amount of noise pollution and dust pollution can be generated in the production process of a cement grinding production line, so that the original sound environment of a factory area and a factory boundary is influenced, and the normal operation of the production line is further influenced. The prior art lacks a device for dust collection treatment while reducing noise of a cement mill.

Therefore, the low-noise cement mill dust collector is designed, and can be used for separating noise of a cement mill, reducing noise pollution and settling, filtering and collecting cement dust generated by the cement mill.

SUMMERY OF THE UTILITY MODEL

The utility model aims at having the above-mentioned problem to current technique, provided a low noise cement goes out to grind dust collector, the technical problem that the device will solve is: how to realize making an uproar falls in the cement mill when the cement goes out to grind, carries out dust collection simultaneously.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a low noise cement goes out to grind dust collector, including sound-proof housing and dust removal case, the sound-proof housing sets up and grinds the outside at the raw material, the sound-proof housing includes the upper shield body and covers the body down, be equipped with a plurality of fixed plates on the upper shield body, the fixed plate passes through bolt and covers body coupling down, the internal side of upper shield is equipped with the fan, the air inlet end of fan is connected with the air-supply line, the tip and the play dirt mouth that the raw material ground of air-supply line are connected, the air-out end of fan is connected with first play tuber pipe, the tip that first goes out the tuber pipe is equipped with the connecting pipe, the end and the dust removal case of connecting pipe are connected, the side of dust removal case is.

The utility model discloses a theory of operation is: when using this device, grind the selection suitable sound-proof housing according to the raw meal of different models, grind raw meal and fix at cover internal portion down, cup joint the upper shield body and grind at raw meal, the upper shield body is connected with cover body cooperation down, it is fixed through the fixed plate, grind the during operation at raw meal and grind the raw meal and fall the noise, convenient to detach installs, it is effectual to give sound insulation, open the fan, the air-supply line is collected the cement raise dust that the raw meal ground produced, send into first tuber pipe with the cement raise dust through the fan, send into inside the connecting pipe through first tuber pipe, the dust removal case is discharged through the connecting pipe, carry out dust fall and collection many times through the dust removal case, the net gas after the dust fall is discharged from second tuber pipe.

The upper cover body and the lower cover body comprise sealing layers and sound absorption layers, and the sound absorption layers are located inside the sealing layers.

Structure more than adopting, the concrete position of semicircle through-hole is seted up according to the feeder hopper position that raw material ground, and two semicircle through-holes cooperate to be connected, place the feeder hopper that raw material ground inside the semicircle through-hole, the feeding of being convenient for, the sealing layer is used for protecting the sound-proof housing not damaged, and the noise that the sound absorbing layer absorbed raw material and ground the during operation production.

The side of dust removal case is equipped with the air intake, and connecting pipe and air intake connection, the inside of dust removal case is equipped with the second division board, and the second division board falls dirt room with dust removal incasement portion and divide into first dust fall dirt room and second, and first dust fall dirt indoor portion is equipped with first division board, is equipped with first through-hole between the lower extreme of first division board and the dust removal case.

Structure more than adopting, first division board has the drainage effect, and first division board and second division board cooperation make dusty gas be the S type and flow in first dust settling chamber, and heavier cement granule subsides in first dust settling chamber inside, and the second dust settling chamber is arranged into to the gas after subsiding.

And a second through hole is formed between the upper end of the second partition plate and the dust removal box, a filter screen plate is arranged in the second through hole, and a sealing door is arranged on the side surface of the dust removal box.

Structure more than adopting, the filter screen board carries out the secondary filter to subsiding to the gas after subsiding, subsides the cement granule inside first dust settling chamber, and gas discharges into the second dust settling chamber from the second through-hole, sets up sealing door, and the convenience is regularly cleared up the inside cement of first dust settling chamber.

The second dust settling chamber is internally provided with an air supply pipe, the end part of the air supply pipe is connected with the second through hole, a water inlet pipe is arranged above the dust removing box, a water outlet is formed in the side surface of the dust removing box, and a drain pipe is connected inside the water outlet.

Structure more than adopting, advance water piping connection outside water source, the inlet tube sends into the second with clean water and falls the dirt indoor portion, and the blast pipe removes dust once more with the leading-in aquatic of second through-hole combustion gas, and the sewage after the dust removal is discharged from the blow off pipe.

Compared with the prior art, the low-noise cement mill dust collector has the advantages that:

1. the sound-proof shield is matched with the fixing plate to reduce noise of the raw material mill, so that the raw material mill is convenient to disassemble and assemble and has a good noise reduction effect;

2. the dust-containing gas flows in an S shape in the first dust settling chamber through the matching of the dust removing box, the second partition plate and the first partition plate, and cement particles are settled in the first dust settling chamber;

3. through the cooperation of the dust removal box, the filter screen plate and the second partition plate, the settled gas is subjected to secondary filtration and settlement and is collected in the first dust reduction chamber;

4. the second dust settling chamber is matched with the blast pipe, so that the dusted gas is guided into water, and the gas is dedusted again, the dedusting effect is improved, and air pollution is avoided;

5. through the cooperation of fan, first tuber pipe and air-supply line, collect the cement raise dust that the raw meal ground produced, send into the dust removal incasement portion.

Drawings

Fig. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of the sound shield of the present invention;

FIG. 3 is a schematic sectional view of the dust box of the present invention;

in the figure: 1-sound insulation cover, 101-upper cover body, 102-lower cover body, 103-sealing layer, 104-sound absorption layer, 2-semicircular through hole, 3-fixing plate, 4-connecting pipe, 5-second air outlet pipe, 6-dust collection bag, 7-blow-off pipe, 8-dust removal box, 801-air inlet, 802-water inlet pipe, 803-air outlet, 804-water outlet, 9-raw meal mill, 10-blower, 11-first air outlet pipe, 12-air inlet pipe, 13-filter screen plate, 14-air supply pipe, 15-second partition plate, 16-first partition plate and 17-sealing door.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, the embodiment provides a low-noise cement mill dust collector, which includes a sound-proof housing 1 and a dust-collecting box 8, wherein the sound-proof housing 1 is disposed outside a raw meal mill 9, the sound-proof housing 1 includes an upper housing body 101 and a lower housing body 102, the upper housing body 101 is provided with a plurality of fixing plates 3, the fixing plates 3 are connected with the lower housing body 102 through bolts, the inner side of the upper housing body 101 is provided with a fan 10, the air inlet end of the fan 10 is connected with an air inlet pipe 12, the end of the air inlet pipe 12 is connected with a dust outlet of the raw meal mill 9, the air outlet end of the fan 10 is connected with a first air outlet pipe 11, the end of the first air outlet pipe 11 is provided with a connecting pipe 4, the end of the connecting pipe 4 is connected with the dust-collecting box 8, the side surface of the dust-collecting box 8 is provided;

when using this device, grind 9 according to the raw meal of different models and select suitable sound-proof housing 1, grind 9 fixed at the internal 102 of lower cover with the raw meal, cup joint the upper cover body 101 on the raw meal grinds 9, upper cover body 101 and the cooperation of lower cover body 102 are connected, it is fixed through fixed plate 3, grind 9 during the work at raw meal and fall the noise to the raw meal mill 9, the convenient to detach installation, it is effectual to give sound insulation, open fan 10, air-supply line 12 collects the cement raise dust that the raw meal ground 9 produced, send into first tuber pipe 11 with the cement raise dust through fan 10, send into inside connecting pipe 4 through first tuber pipe 11, discharge dust removal case 8 through connecting pipe 4, carry out the dust fall many times and collect through dust removal case 8, the net gas after the dust fall is discharged from second tuber pipe 5.

The lower end of the upper cover body 101 and the upper end of the lower cover body 102 are both provided with semicircular through holes 2, the two semicircular through holes 2 correspond to each other in position, the upper cover body 101 and the lower cover body 102 both comprise a sealing layer 103 and a sound absorption layer 104, and the sound absorption layer 104 is positioned inside the sealing layer 103;

semicircle through-hole 2's concrete position is seted up according to raw material mill 9's feeder hopper position, and two semicircle through-hole 2 cooperations are connected, place raw material mill 9's feeder hopper inside semicircle through-hole 2, the feeding of being convenient for, sealing layer 103 are used for protecting sound-proof housing 1 not damaged, and sound absorption layer 104 absorbs the noise that raw material mill 9 during operation produced.

An air inlet 801 is formed in the side face of the dust removal box 8, the connecting pipe 4 is connected with the air inlet 801, a second partition plate 15 is arranged inside the dust removal box 8, the second partition plate 15 divides the inside of the dust removal box 8 into a first dust removal chamber and a second dust removal chamber, a first partition plate 16 is arranged inside the first dust removal chamber, and a first through hole is formed between the lower end of the first partition plate 16 and the dust removal box 8;

the first partition plate 16 has a flow guiding function, the first partition plate 16 is matched with the second partition plate 15, so that dust-containing gas flows in an S shape in the first dust settling chamber, heavier cement particles settle in the first dust settling chamber, and the settled gas is discharged into the second dust settling chamber.

A second through hole is formed between the upper end of the second partition plate 15 and the dust removal box 8, a filter screen plate 13 is arranged in the second through hole, and a sealing door 17 is arranged on the side surface of the dust removal box 8;

the filter screen plate 13 carries out secondary filtration and sedimentation on the settled gas, cement particles are settled in the first dust settling chamber, the gas is discharged into the second dust settling chamber from the second through hole, and a sealing door 17 is arranged, so that the cement in the first dust settling chamber can be cleaned regularly.

An air supply pipe 14 is arranged in the second dust settling chamber, the end part of the air supply pipe 14 is connected with the second through hole, a water inlet pipe 802 is arranged above the dust removing box 8, a water outlet 804 is formed in the side surface of the dust removing box 8, and a sewage discharge pipe 7 is connected in the water outlet 804;

the inlet tube 802 is connected with an external water source, the inlet tube 802 sends clean water into the second dust settling chamber, the air supply pipe 14 removes dust for the air again by leading the air in the second through hole, and the sewage after dust removal is discharged from the sewage discharge pipe 7.

In this embodiment, the above-mentioned fixing means is the simplest commonly used fixing means in the field, such as bolt connection; the above-mentioned electrical equipment such as fan 10 is prior art product, can directly purchase the use, and specific principle is no longer described in detail.

The utility model discloses a theory of operation:

when the device is used, a proper sound-proof housing 1 is selected according to different models of raw meal mills 9, semicircular through holes 2 corresponding to the positions are formed, the raw meal mills 9 are fixed inside a lower housing body 102, an upper housing body 101 is sleeved on the raw meal mills 9, the upper housing body 101 is connected with the lower housing body 102 in a matching way and is fixed through a fixing plate 3, the two semicircular through holes 2 are connected in a matching way, a feed hopper of the raw meal mills 9 is placed inside the semicircular through holes 2 for facilitating feeding, a sealing layer 103 is used for protecting the sound-proof housing 1 from being damaged, a sound absorption layer 104 absorbs noise generated when the raw meal mills 9 work, the noise of the raw meal mills 9 is reduced when the raw meal mills 9 work, the device is convenient to disassemble and install and has good sound insulation effect, a fan 10 is opened, cement dust generated by the raw meal mills 9 is collected by an air inlet pipe 12, the cement dust is sent into a first air outlet pipe 11 through the first air, the dust-removing box is discharged into a dust-removing box 8 through a connecting pipe 4, the first partition plate 16 has a drainage effect, the first partition plate 16 is matched with the second partition plate 15, dust-containing gas flows in an S shape in a first dust-removing chamber, heavier cement particles settle in the first dust-removing chamber, the filter screen plate 13 performs secondary filtration and settlement on the settled gas, the cement particles settle in the first dust-removing chamber, the gas is discharged into a second dust-removing chamber from a second through hole, the water inlet pipe 802 is connected with an external water source, clean water is fed into the second dust-removing chamber through the water inlet pipe 802, the air supply pipe 14 introduces the gas discharged from the second through hole into the water, the gas is subjected to secondary dust removal, the sewage after dust removal is discharged from a sewage discharge pipe 7, the clean gas after dust removal is discharged from a second air outlet pipe 5, and a sealing door 17 is arranged, so that the cement in the first dust-removing chamber can be.

In conclusion, the sound-proof housing 1 is matched with the fixed plate 3 to reduce noise of the raw material mill 9, so that the raw material mill is convenient to disassemble and assemble and has good noise reduction effect; the dust removing box 8, the second partition plate 15 and the first partition plate 16 are matched, so that dust-containing gas flows in an S shape in the first dust settling chamber, and cement particles are settled in the first dust settling chamber; through the cooperation of the dust removal box 8, the filter screen plate 13 and the second partition plate 15, the settled gas is subjected to secondary filtration and settlement and is collected in the first dust reduction chamber; the second dust settling chamber is matched with the blast pipe 14, the dusted gas is guided into water, and dust is removed again, so that the dust removal effect is improved, and air pollution is avoided; the cement dust generated by the raw meal mill 9 is collected and sent into the dust removal box 8 through the matching of the fan 10, the first air outlet pipe 11 and the air inlet pipe 12.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (5)

1. The utility model provides a low noise cement goes out to grind dust collector, including sound-proof housing (1) and dust removal case (8), a serial communication port, sound-proof housing (1) sets up in raw meal mill (9) outside, sound-proof housing (1) includes upper shield body (101) and lower cover body (102), be equipped with a plurality of fixed plates (3) on upper shield body (101), fixed plate (3) are connected with lower cover body (102) through the bolt, upper shield body (101) inboard is equipped with fan (10), the air inlet end of fan (10) is connected with air-supply line (12), the tip of air-supply line (12) is connected with the dust outlet of raw meal mill (9), the air-out end of fan (10) is connected with first play tuber pipe (11), the tip of first play tuber pipe (11) is equipped with connecting pipe (4), the end and the dust removal case (8) of connecting pipe (4) are connected, the side of dust removal case (8) is equipped with air outlet (803), be connected with second play, the tail end of the second air outlet pipe (5) is connected with a dust collecting bag (6).

2. The low-noise cement dust collector for the mill outlet according to claim 1, wherein the lower end of the upper cover body (101) and the upper end of the lower cover body (102) are respectively provided with a semicircular through hole (2), the two semicircular through holes (2) are corresponding in position, the upper cover body (101) and the lower cover body (102) respectively comprise a sealing layer (103) and a sound absorption layer (104), and the sound absorption layer (104) is positioned inside the sealing layer (103).

3. The low-noise cement mill dust collector of claim 1 or 2, wherein an air inlet (801) is formed in the side face of the dust removing box (8), the connecting pipe (4) is connected with the air inlet (801), a second partition plate (15) is arranged in the dust removing box (8), the second partition plate (15) divides the interior of the dust removing box (8) into a first dust settling chamber and a second dust settling chamber, a first partition plate (16) is arranged in the first dust settling chamber, and a first through hole is formed between the lower end of the first partition plate (16) and the dust removing box (8).

4. A low noise cement mill dust collector according to claim 3, characterized in that a second through hole is arranged between the upper end of the second partition plate (15) and the dust removing box (8), a filter screen plate (13) is arranged in the second through hole, and a sealing door (17) is arranged on the side surface of the dust removing box (8).

5. The low-noise cement dust collector for the mill according to claim 3, wherein an air supply pipe (14) is arranged inside the second dust settling chamber, the end of the air supply pipe (14) is connected with the second through hole, a water inlet pipe (802) is arranged above the dust removing box (8), a water outlet (804) is formed in the side surface of the dust removing box (8), and a drain pipe (7) is connected inside the water outlet (804).

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