CN210021464U - Outer formula ventilation type malz kiln fan room system that strains - Google Patents
Outer formula ventilation type malz kiln fan room system that strains Download PDFInfo
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- CN210021464U CN210021464U CN201920255302.1U CN201920255302U CN210021464U CN 210021464 U CN210021464 U CN 210021464U CN 201920255302 U CN201920255302 U CN 201920255302U CN 210021464 U CN210021464 U CN 210021464U
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- fan
- cloth bag
- dust removal
- removal cloth
- bag type
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- 238000009423 ventilation Methods 0.000 title claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 56
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 239000004744 fabric Substances 0.000 claims abstract description 43
- 239000000725 suspension Substances 0.000 claims abstract description 18
- 239000007921 spray Substances 0.000 claims abstract description 16
- 238000001914 filtration Methods 0.000 claims description 16
- 238000011010 flushing procedure Methods 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 abstract 1
- 229920000742 Cotton Polymers 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009323 psychological health Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The embodiment of the utility model provides an outer formula ventilation type malz kiln fan room system of straining, outer formula ventilation type malz kiln fan room system of straining includes: the dust removal cloth bag type box body is arranged on the roof of the fan; the main air inlet pipe is connected with the dust removal cloth bag type box body; the Roots blower is connected with the main air inlet pipe; the suspension cylinder cooling air pipe is connected with a suspension cylinder cooling fan; the combustion-supporting air pipe is connected with the combustion-supporting fan; the spray gun air pipe is connected with the spray gun cooling fan; the cooling air pipe is connected with the cooling fan; the ash discharge valve is arranged at the lower end of the dust removal cloth bag type box body; the axial flow fan is arranged on the roof of the fan; the axial flow fan is positioned outside the dust removal cloth bag type box body and the Roots blower; and the filter screen is arranged at the bottom of the fan room and positioned at the upstream of the axial flow fan.
Description
Technical Field
The utility model relates to an environmental protection field especially relates to an outer formula ventilation type maltz kiln fan room system that strains.
Background
The malz kiln fan system consists of 3 combustion-supporting fans, 3 cooling fans, 1 combustion-supporting/cooling standby fan, 3 suspension cylinder cooling fans, 2 spray gun cooling fans, 1 suspension cylinder cooling standby emergency diesel fan and 1 central cooling fan, and is provided with 14 roots fans. In order to realize centralized management, the fans are uniformly installed in one room, and the volume of each fan is 32m multiplied by 9m multiplied by 7 m-2016 m3In the factory building (length 32m, width 9m, height 7 m). In the originally designed Maerz kiln fan room, when the fan runs, the air is filtered by the filtering palm cotton of the fan. Because the number of fans in a fan room is large, the field dust environment is large, the filtered palm cotton of a fan air inlet system is easily blocked by dust, the normal air draft operation of the fans is influenced, and the air inlet amount is insufficient. For example, a cooling fan of a suspension cylinder is blocked by filtering palm cotton entering the air of the fan, so that the suspension cylinder system of the main body of the Maerz kiln cannot ensure the air quantity required by normal cooling. Meanwhile, as the fan transmission medium is air, if a large amount of dust particles in the air pass through the fan impeller, the abrasion of the fan impeller is accelerated or the fan impeller is blocked. Meanwhile, palm cotton needs to be cleaned and filtered manually and regularly, so that serious dust pollution and operation risks are caused, and physical and psychological health of workers is not facilitated.
Meanwhile, during production, a plurality of fans operate for a long time, and air is supplied to the kiln body system, so that heat generated during operation of the fans in the fan room is accumulated. Under the condition of closed environment operation, the temperature in the fan room rises, so that the temperature of the fan room in summer reaches about 50 ℃, equipment is scalded in the fan room, an equipment sealing element is invalid, and oil leakage is generated.
In realizing the utility model discloses the in-process, utility model people discover to have following problem among the prior art at least: because the number of fans in the fan room is large, the field dust is more, the filtered palm cotton of the fan air inlet system is easily blocked by the dust, the normal air draft operation of the fans is influenced, and the air inlet amount is insufficient.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an outer formula of straining, ventilation type malz kiln fan room system, ventilation and dust that the purpose improves malz kiln fan room system filter.
Therefore, the utility model provides an outer formula of straining, ventilation type malz kiln fan room system, outer formula of straining, ventilation type malz kiln fan room system includes:
the dust removal cloth bag type box bodies are arranged on the top of the fan house, and the number of the dust removal cloth bag type box bodies is two;
the main air inlet pipe is connected with the dust removal cloth bag type box body;
the Roots blower is connected with the main air inlet pipe;
the suspension cylinder cooling fan, the combustion fan, the spray gun cooling fan and the cooling fan are arranged outside the dust removal cloth bag type box body;
the suspension cylinder cooling air pipe is connected with a suspension cylinder cooling fan;
the combustion-supporting air pipe is connected with the combustion-supporting fan;
the spray gun air pipe is connected with the spray gun cooling fan;
the cooling air pipe is connected with the cooling fan; the air flow passing through the Roots blower respectively passes through the suspension cylinder cooling air pipe, the combustion-supporting air pipe, the spray gun air pipe and the cooling air pipe;
the ash discharge valve is arranged at the lower end of the dust removal cloth bag type box body;
the axial flow fans are arranged on the roof of the fan;
the filter screen, the figure of filter screen is a plurality of, sets up in fan room bottom.
Preferably, the model of the main air inlet pipe is DN1800 mm.
Preferably, a pulse back-flushing system is arranged on the bag box body of the dust collector.
Preferably, the number of the dust removal cloth bag type box bodies is 2, each box body is provided with 150 cloth bags, and the filtering area of each cloth bag is 2.5m2。
Preferably, the shaft of the axial flow fan is vertically arranged, and the exhaust capacity of the motor is 11938m under 1.5KW3/h。
Preferably, the ash discharging valve is a star-shaped ash discharging valve.
Preferably, the axial fans are uniformly distributed on the top of the fan house in two rows.
Preferably, the filter screens are arranged at the positions, 20cm away from the ground, of the bottoms of the wall surfaces at the two sides of the fan room, each filter screen with the length of 80cm multiplied by 80cm is installed at a distance of 3m, and the side length of each grid is 1cm multiplied by 1 cm.
A box body is built on the roof of the fan, and the box body is composed of 2 dust removal cloth bags (150 cloth bags in each box body, and the filtering area of each cloth bag is 2.5m2) The calculated total filtration area of the bag filter is 2 multiplied by 150 multiplied by 2.5 which is 750m2. And (3) dismantling the original air inlet device of each fan, connecting all the fan air inlets by using stainless steel pipes, and connecting the stainless steel pipes with the air inlets of the dust removal cloth bag box body after the stainless steel pipes are centralized and enter one stainless steel air pipe of DN1800 mm. When the Roots blower is in production and operation, air inlet is realized through the filter, and dust in the atmosphere can be effectively filtered. A pulse back-flushing system is arranged on a bag box body of the dust collector, and the pulse back-flushing system is periodically sprayed once per hour, so that smooth air inlet of the bag is ensured. The dust falls into the dust bin of the dust removal box body and is discharged onto the scraper conveyor through the star-shaped dust discharge valve, so that the cleanness of the cloth bag is ensured.
The 10 axial flow fans are uniformly distributed on the top of the fan room in two rows (the power of the motor is 1.5KW, and the air exhaust quantity is 11938 m)3H), the total air discharge per hour is calculated to be 10 multiplied by 11938m3/h＝119380m3. The bottom of the wall surfaces at two sides of the fan room is 20cm away from the ground, and the fan room is installed in every 3m distanceA filter screen of 80cm x 80cm (the filter screen is composed of steel wire meshes, the diameter of each mesh is 1cm x 1cm), and 20 air inlets are arranged, so that good operation of atmospheric air flow in the fan room is realized.
The technical scheme has the following beneficial effects: because the technical means of the dust removal cloth bag type box body and the axial flow fan are adopted, the technical effects of filtering dust, realizing good ventilation of the fan room and improving the airflow environment temperature of the fan room are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a side view of an axial flow fan for a fan house;
FIG. 2 is a filter structure external to a fan house.
The reference numbers illustrate:
FIG. 1; 1. an axial flow fan; 2. and (5) filtering by using a filter screen.
FIG. 2; 3. a dust removal cloth bag type box body; 4. a main air inlet pipe; 5. a Roots blower; 6. a hanging cylinder cooling air pipe; 7. a combustion-supporting air duct; 8. a spray gun air pipe; 9. cooling the air pipe; 10. and (4) an ash discharge valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, the external filtering, ventilating type malz kiln fan room system of the present invention comprises:
the dust removal cloth bag type box bodies 3 comprise two dust removal cloth bag type box bodies, the two dust removal cloth bag type box bodies are arranged on the roof of the fan, and air flow enters the main air inlet pipe 4 through the dust removal cloth bag type box bodies; each box body is provided with 150 cloth bags, and the filtering area of each cloth bag is 2.5m2The calculated total filtration area of the bag filter is 2 multiplied by 150 multiplied by 2.5 which is 750m2(ii) a The dust in the air can be effectively removed through the dust removal cloth bag type box body, the air inlet of the fan is not blocked by the dust, and the abrasion of an impeller of the fan is reduced;
the Roots blower 5 is used for feeding air flow into the Roots blower through the main air inlet pipe 4;
the suspension cylinder cooling fan, the combustion fan, the spray gun cooling fan and the cooling fan are arranged outside the dust removal cloth bag type box body;
the suspension cylinder cooling air pipe 6, the combustion-supporting air pipe 7, the spray gun air pipe 8 and the cooling air pipe 9 are respectively connected with the suspension cylinder cooling air pipe, the combustion-supporting air pipe, the spray gun air pipe and the cooling air pipe through air flows of the Roots blower; the suspension cylinder cooling fan is used for cooling the suspension cylinder, the combustion-supporting fan is used for supporting combustion, the spray gun cooling fan is used for cooling the coal gas spray gun, and the cooling fan is used for cooling finished product ash;
the ash discharge valve 10 is arranged at the lower end of the dust removal cloth bag type box body; the dust collecting box is used for cleaning the dust falling to the dust bin of the dust collecting box body; the ash discharge valve is a star-shaped ash discharge valve, so that the field operation is convenient;
the axial flow fan 1 comprises 10 axial flow fans which are arranged on the roof of the fan; the axial flow fan is arranged to adjust the air temperature in the fan room and improve the environment in the fan room;
the filter screens 2 comprise 20 filter screens, and are arranged at the bottom of the fan room; the filter screen is arranged to realize the circulation of air flow in the fan room;
preferably, as shown in fig. 2, the main air inlet pipe 4 is model number DN1800 mm; the model has large ventilation volume.
Preferably, as shown in fig. 2, a pulse back-flushing system is arranged on the bag box body 3 of the dust collector, and the pulse back-flushing system blows once every hour at regular intervals; the pulse back-flushing system can ensure smooth air inlet of the cloth bag.
Preferably, as shown in fig. 2, the number of the dust-removing cloth bag type box bodies is 2, each box body is provided with 150 cloth bags, and the filtering area of each cloth bag is 2.5m2(ii) a The arrangement of the dust removal facilities of the Roots blower is reduced, a plurality of dust removal facilities are reduced to 2, the installation is convenient, and the maintenance is facilitated.
Preferably, as shown in fig. 1, the shaft of the axial flow fan 1 is vertically arranged, the motor power is 1.5KW, and the exhaust air volume is 11938m3And h, air flow in the fan room enters from the filter screen 2, and the axial flow fan 1 discharges, so that the arrangement is favorable for the air flow in the fan room to flow.
Preferably, as shown in FIG. 2, the ash discharge valve is a star-shaped ash discharge valve; the dust discharging valve has excellent performance.
Preferably, as shown in fig. 1, the axial fans are uniformly distributed on the top of the fan house in two rows; the fans are uniformly distributed, so that the installation and the maintenance are convenient.
Preferably, as shown in fig. 1, the filter screen 2 is made of a steel wire mesh and is 20cm away from the ground; a80 cm filter screen (the filter screen is composed of steel wire meshes, the side length of each mesh is 1cm) is arranged in each 3m distance, 20 air inlets are formed, and the filter screen composed of steel wires is effectively prevented from being corroded.
After the device is transformed, the following effects can be achieved: 1) the dust entering into the fan impeller is reduced, and the failure rate of the fan is effectively reduced by 80%. 2) The air inlets of the fans are prevented from being manually disassembled at regular intervals every month, the palm cotton is cleaned, and the manual strength is reduced. 3) Compared with the traditional air inlet mode, the normal and smooth air supply of the fan is better realized. 4) By calculating 119380m3/h÷2016m30.98 is divided by 60, namely can renew the air in the fan room every 1 minute, and the fan room has realized good ventilation summer, and indoor temperature can reduce to atmospheric environment temperature, the effectual fan room air current ambient temperature that improves.
A dust remover box body is arranged on the top of a fan room of the Mailz kiln, and air is fed into the fan through the filtering of a dust removing cloth bag. An axial flow fan is arranged on the top of a fan room of the Mailz kiln, air is fed through a bottom filter screen, so that gas in the fan room flows from bottom to top, and the operating temperature in the fan room is reduced.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. The utility model provides an outer formula ventilation type malz kiln fan room system that strains, its characterized in that, outer formula ventilation type malz kiln fan room system that strains includes:
the dust removal cloth bag type box bodies are arranged on the top of the fan house, and the number of the dust removal cloth bag type box bodies is two;
the main air inlet pipe is connected with the dust removal cloth bag type box body;
the Roots blower is connected with the main air inlet pipe;
the suspension cylinder cooling fan, the combustion fan, the spray gun cooling fan and the cooling fan are arranged outside the dust removal cloth bag type box body;
the suspension cylinder cooling air pipe is connected with a suspension cylinder cooling fan;
the combustion-supporting air pipe is connected with the combustion-supporting fan;
the spray gun air pipe is connected with the spray gun cooling fan;
the cooling air pipe is connected with the cooling fan;
the ash discharge valve is arranged at the lower end of the dust removal cloth bag type box body;
the axial flow fans are arranged on the roof of the fan; the axial flow fan is positioned outside the dust removal cloth bag type box body and the Roots blower;
the filter screen, the figure of filter screen is a plurality of, sets up in fan room bottom and is located axial fan's upper reaches.
2. The exterior filtered ventilation merz kiln fan room system of claim 1 wherein the main air inlet duct is model number DN1800 mm.
3. The external filter ventilation type malz kiln fan house system of claim 1, wherein a pulse back flushing system is provided on the dust removal cloth bag type box.
4. The external-filtering ventilated malz kiln fan room system of claim 1, wherein the number of dust-removal cloth bag type boxes is 2, each box is provided with 150 cloth bags, and each cloth bag has a filtering area of 2.5m2。
5. The external filtering ventilation type malz kiln fan room system as claimed in claim 1, wherein the shaft of the axial flow fan is vertically arranged, the motor power is 1.5kW, and the exhaust air volume is 11938m3/h。
6. The external filter ventilation malz kiln fan room system of claim 1, wherein the ash discharge valve is a star type ash discharge valve.
7. The exterior filter ventilation malz kiln fan room system of claim 1 wherein the axial fans are evenly distributed in two rows across the fan roof.
8. The external-filtering ventilation type malz kiln fan house system of claim 1, wherein the filter screen is installed at a place 20cm away from the ground at the bottom of the wall surfaces at both sides of the fan house, an 80cm x 80cm filter screen is installed every 3m distance, and the side length of the mesh is 1cm x 1 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255302.1U CN210021464U (en) | 2019-02-28 | 2019-02-28 | Outer formula ventilation type malz kiln fan room system that strains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920255302.1U CN210021464U (en) | 2019-02-28 | 2019-02-28 | Outer formula ventilation type malz kiln fan room system that strains |
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| Publication Number | Publication Date |
|---|---|
| CN210021464U true CN210021464U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920255302.1U Expired - Fee Related CN210021464U (en) | 2019-02-28 | 2019-02-28 | Outer formula ventilation type malz kiln fan room system that strains |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524958A (en) * | 2021-01-15 | 2021-03-19 | 广西柳钢新材料科技有限公司 | Negative pressure air inlet cooling device for suspension cylinder of Maerz kiln |
-
2019
- 2019-02-28 CN CN201920255302.1U patent/CN210021464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112524958A (en) * | 2021-01-15 | 2021-03-19 | 广西柳钢新材料科技有限公司 | Negative pressure air inlet cooling device for suspension cylinder of Maerz kiln |
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| 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: 20200207 |