CN209875515U - Ventilation pipe power device - Google Patents
Ventilation pipe power device Download PDFInfo
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- CN209875515U CN209875515U CN201920595682.3U CN201920595682U CN209875515U CN 209875515 U CN209875515 U CN 209875515U CN 201920595682 U CN201920595682 U CN 201920595682U CN 209875515 U CN209875515 U CN 209875515U
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Abstract
A ventilation pipe power device belongs to the field of environmental protection and comprises a fan, a fan supporting seat, a fan outer sleeve, a pipeline transition section, a power end ventilation pipe, a sound insulation material, a connecting flange and a supporting base; the supporting base is fixedly arranged on the mounting platform, and the power end ventilating pipe is arranged on the supporting base; the fan is arranged on a fan support, and the fan support is arranged in the middle of the inner cavity of the power end ventilation pipe; the two outer fan sleeves are arranged at the front end and the rear end of the fan; the connecting flanges are arranged on two sides of the transition section; one end of the transition section is connected with the ventilation pipe, and the other end of the transition section is connected with the power section ventilation pipe; the two ends of the power section ventilating pipe are connected with a transition section, and sound insulation materials are arranged on the periphery of a channel formed by the power section ventilating pipe and the two transition sections. The utility model discloses can effectively solve the problem of air current torrent, air current acceleration inefficiency in the ventilation pipe, produce very big noise, can reduce the influence to the surrounding gas environment form, can prolong ventilation pipe equipment and power equipment's life.
Description
Technical Field
The invention belongs to the field of environmental protection. In particular to a ventilation pipe power device which is mainly used in the middle of a ventilation pipeline of an air duct and is used as a part of ventilation equipment of the air duct.
Background
The ventilation air duct has a long path, and cannot meet the ventilation effect through natural ventilation, so that a power device is inevitably required to be arranged in the middle of the pipeline to accelerate the flow of air, the power device is arranged in the pipeline to inevitably cause uneven airflow, so that laminar flow and vortex flow in the pipeline occur, the ventilation resistance at the installation position of the power device is overlarge, the flow of air is influenced, the airflow acceleration efficiency is reduced, the uneven collision of the airflow can generate great noise, particularly, the generated turbulence pulsation can cause great noise at the power device, and the overall airflow form in the pipeline is influenced by the airflow turbulence of the power device, so that the discharged airflow influences the gas environment form of the area, and adverse effects can be generated. The existing ventilation pipe power equipment does not deal with the problem and cannot solve the problem.
For solving the above-mentioned intraductal no ventilation power problem, the air current resistance is too big after setting up power device, the problem of intraductal air current acceleration inefficiency, the problem that intraductal gas produced very big noise, a ventilation pipe power equipment is related to, this kind of equipment can effectively solve the intraductal no ventilation power problem, the air current resistance is too big after setting up power device, the problem of intraductal air current acceleration inefficiency, intraductal air current produces very big noise, can also reduce the influence to surrounding gas environment form, can prolong the life of air pipe equipment and power equipment itself even, reduce the operation maintenance cost in fan later stage relatively.
Disclosure of Invention
The invention provides a ventilation pipe power device, which can effectively solve the problems of no ventilation power in a ventilation pipe, excessive airflow resistance after the power device is arranged, low efficiency of accelerating the airflow in the pipe and great noise generated by the air in the pipe, can reduce the influence on the surrounding air environment form, even can prolong the service life of ventilation pipe equipment and power equipment, and relatively reduce the later-stage operation and maintenance cost of a fan.
The technical scheme of the invention is as follows: a ventilation pipe power device is characterized by comprising a fan, a fan supporting seat, a fan outer sleeve, a pipeline transition section, a power end ventilation pipe, a sound insulation material, a connecting flange and a supporting base; the supporting base is fixedly arranged on the mounting platform, and the power end ventilating pipe is arranged on the supporting base; the fan is arranged on a fan support, and the fan support is arranged in the middle of the inner cavity of the power end ventilation pipe; the two outer fan sleeves are arranged at the front end and the rear end of the fan; the connecting flanges are arranged on two sides of the transition section; one end of the transition section is connected with the ventilation pipe, and the other end of the transition section is connected with the power section ventilation pipe; the two ends of the power section ventilating pipe are connected with a transition section, and sound insulation materials are arranged on the periphery of a channel formed by the power section ventilating pipe and the two transition sections.
The power end ventilating pipe is a hollow cylinder.
The fan supporting seat is formed by welding a steel flat plate and two steel vertical plates, the two fan supporting seats are symmetrically welded on the fan, the fan supporting seat is welded with the inner wall of the power end ventilation pipe, and the fan is coaxial with the power end ventilation pipe.
The outer sleeve of the fan is formed by combining a jet flow type rectifier and a sleeve, the jet flow type rectifier is welded at one end of the sleeve and is a hollow cone, the tip of the cone is arranged in a mirror image mode, and the symmetrical line of the tip of the cone is uniformly connected to the bottom of the cone through a plurality of ribs.
The transition section is a steel horn.
The fan is a power source for air flowing in the ventilation pipe, and forward and reverse rotation of the fan can be realized through instruction control so as to achieve the effects of providing airflow flowing power and changing the flowing direction of the air in the ventilation pipe;
the outer sleeve of the fan is formed by combining a jet flow type rectifier, a sleeve and a connecting flange, the sleeve is formed by cutting a steel pipe with a required size or welding a steel plate roll in a round mode, and a damping layer is arranged on the outer wall of the sleeve and used for reducing noise. The jet flow type rectifier is welded outside the cylinder, the shape of the jet flow type rectifier is similar to a hollow cone, the tip of the conical head is arranged in a mirror image mode, the symmetrical line of the tip of the conical head is uniformly connected to the bottom of the cone through 32 ribs, each quadrant has 8 ribs, and the ribs are approximately trapezoidal. The outer sleeve of the fan dredges airflow in a pipeline through the jet flow type rectifier in the shape of the tip of the double-cone head, reduces resistance of fan equipment to the airflow, enables the airflow to be divided, enables the airflow to pass through the fan at an accelerated speed, eliminates vortex, and reduces turbulence; the rib footpath when 32 ribs behind the tip of the cone head of the air current of reposition of redundant personnel process has changed and has realized that the air current is level and smooth, reduce the air current and collide each other, realize the noise resistance and fall the performance of making an uproar, further reduce the noise that power part and air current disorder produced in the passageway, inevitable can get into some debris in the air pipe simultaneously, the toy, 32 ribs behind the tip of the cone head can stop this type of debris outside the fan, protect the fan blade, the life of extension fan, the operation maintenance cost in the fan later stage is reduced relatively.
The transition section is a steel horn-shaped cylinder, the width of the airflow from the ventilation pipe to the power section ventilation pipe is changed from narrow to wide, the airflow is stable, the width of the airflow from the power section ventilation pipe to the ventilation pipe is changed from wide to narrow, the flow speed is accelerated, and the ventilation function is promoted.
The sound insulation wrapping material is arranged outside a channel formed by the two transition sections and the power section ventilation pipe in the middle of the two transition sections, so that the noise generated by the physical action of airflow in the channel can be reduced;
the invention can effectively solve the problems of no ventilation power in the ventilation pipe, excessive resistance of airflow after the power device is arranged, low efficiency of accelerating the airflow in the pipe and great noise generated by the air in the pipe, can also reduce the influence on the surrounding air environment shape, can prolong the service life of the ventilation pipe equipment and the power equipment, and relatively reduces the later operation and maintenance cost of the fan.
Drawings
FIG. 1 is an external view of the ventilation device of the present invention;
FIG. 2 is a block diagram of the ventilation unit of the present invention;
FIG. 3 is a side view of the vent of the present invention;
FIG. 4 is a block diagram of the outer sleeve of the blower of the present invention;
figure 5 is an end view of the outer sleeve of the blower of the present invention.
In the figure, 1-a fan, 2-a fan supporting seat, 3-a fan outer sleeve, 4-a pipeline transition section, 5-a power end ventilating pipe, 6-a sound insulation material, 7-a connecting flange, 8-a supporting base, 9-a ventilating pipe, 31-a jet flow type rectifier, 32-a sleeve, 33-a cone and 34-a frustum body.
Detailed Description
As shown in fig. 1, 2 and 3, the ventilation pipe power device comprises a fan 1, a fan support base 2, a fan outer sleeve 3, a pipeline transition section 4, a power end ventilation pipe 5, a sound insulation material 6, a connecting flange 7 and a support base 8.
The support base 8 is fixedly arranged on the concrete prefabricated platform through bolts, and the power end ventilation pipe 5 is welded on the support base 8; the fan 1 is fixedly arranged on a fan support 2, and the fan support 2 is welded and arranged in the middle of the inner wall of the power end ventilation pipe 5; the two outer fan sleeves 3 are arranged at the front end and the rear end of the fan; the connecting flanges 7 are arranged at two sides of the pipeline transition section 4; one end of the pipeline transition section 4 is connected with the power end ventilation pipe, the other end of the pipeline transition section 4 is connected with the ventilation pipe 9, and the sound insulation material 6 wraps the periphery of a channel formed by the power end ventilation pipe 5 and the pipeline transition sections 4 at the two ends.
The supporting base 8 is formed by welding four channel steels and four angle steels, and the supporting base 8 is provided with a bolt mounting hole matched with an embedded anchor bolt on the concrete prefabricated platform for tightening.
The power end vent pipe is a cylinder with the diameter of 800mm, is made of steel or aluminum section and is formed by cutting steel pipes with required sizes or performing roll welding on steel plates.
The fan is a power source for air flowing in the ventilation pipe, a mine energy-saving fan with the model of FK40-4-NO10 is usually selected, and the forward and reverse rotation of the fan can be realized through instruction control, so that the effects of providing airflow flowing power and changing the flowing direction of the air in the ventilation pipe are achieved.
The fan supporting seat is formed by welding 4 steel vertical plates of 250 mm 350 mm, four steel flat plates are uniformly distributed on the circumference of the fan, two ends of the four steel flat plates are respectively welded with the shell of the fan and the wall of the ventilation pipe, the fan supporting seat is welded with the inner wall of the ventilation pipe at the power end, and the axis of the fan is superposed with the axis of the ventilation pipe at the power end.
The outer sleeve of the fan is formed by combining a jet flow type rectifier and a sleeve, the sleeve is formed by cutting a steel pipe with the diameter of 456mm and the wall thickness of 4mm or by roll welding a steel plate, and a 10mm rubber damping layer is installed on the outer wall of the sleeve and used for reducing noise. The outer end of the sleeve is connected with a jet flow type rectifier and is connected by screws.
As shown in FIG. 4, the jet flow type rectifier comprises a hollow cone 34 and two cones 33, the diameter of the lower bottom surface of the cone 34 is 456mm, the diameter of the upper bottom surface is 137mm, and the height of a generatrix is 500 mm. The mirror image of the tip cone head of the jet flow type rectifier is set into two cone barrels 33 with the diameter of the bottom surface of 137mm and the height of a generatrix of 150mm, and the tips of the two cone barrels 33 are welded outwards in a mirror image mode.
The symmetrical line between the two cone cylinders 33 is uniformly connected with the bottom of the hollow frustum body through 32 ribs. The distance between two adjacent ribs connected with the upper bottom surface of the frustum body is 9mm, and the distance between two adjacent ribs connected with the lower bottom surface of the frustum body is 37 mm.
The outer sleeve of the fan dredges airflow in a pipeline through the jet flow type rectifier in the shape of the tip of the double-cone head, reduces resistance of fan equipment to the airflow, enables the airflow to be divided, enables the airflow to pass through the fan at an accelerated speed, eliminates vortex, and reduces turbulence; the rib diameter changes when the divided airflow passes through 32 ribs behind the tip of the conical head, so that the airflow is leveled, the mutual collision of the airflow is reduced, the noise resistance and noise reduction performance is realized, and the noise generated in the channel by the power part and the airflow disorder is further reduced. Meanwhile, some sundries and small animals inevitably enter the ventilating duct, and the 32 ribs behind the tip of the conical head can block the sundries out of the fan, so that the fan blades are protected, the service life of the fan is prolonged, and the later-stage operation and maintenance cost of the fan is relatively reduced;
the pipeline transition section 4 is a steel horn. The internal diameter of the thin port of the pipeline transition section 4 is 600mm, the internal diameter of the thick port is 800mm, the thin port side is connected with the ventilation pipe, the thick port side is connected with the power section ventilation pipe, the airflow is changed from the ventilation pipe to the power section ventilation pipe from narrow to wide, the airflow is stabilized, the airflow is changed from the power section ventilation pipe to the ventilation pipe from wide to narrow, the flow speed is accelerated, and the ventilation function is promoted.
A sound insulation material is wrapped outside a channel formed by the two transition sections and the power section ventilation pipe in the middle of the two transition sections, the sound insulation material can be 48kg/m of glass wool or rock wool, and the sound insulation wrapping material can reduce noise generated by physical action of airflow in the channel.
The connecting flange has two specifications, one is a circular ring with the diameter of 600mm and the width of 20mm and is made of a steel plate with the thickness of 5 mm; the other is a circular ring with the diameter of 800mm and the width of 20mm and is made of a steel plate with the thickness of 5 mm. The diameter of the flange corresponds to the diameter of the outer side of the transition section and the diameter of the inner side of the transition section. The circular ring is provided with 12 installation round holes with the diameter of 8 mm. One pair of connecting flanges are respectively welded at the outer ends of the ventilating pipe and the transition section, the other pair of connecting flanges are respectively welded at the inner ends of the ventilating pipe and the transition section of the power section, and the ventilating pipe and the transition section are fastened and installed into a whole by using M6 bolts.
Claims (6)
1. A ventilation pipe power device is characterized by comprising a fan, a fan supporting seat, a fan outer sleeve, a pipeline transition section, a power end ventilation pipe, a sound insulation material, a connecting flange and a supporting base; the supporting base is fixedly arranged on the mounting platform, and the power end ventilating pipe is arranged on the supporting base; the fan is arranged on a fan support, and the fan support is arranged in the middle of the inner cavity of the power end ventilation pipe; the two outer fan sleeves are arranged at the front end and the rear end of the fan; the connecting flanges are arranged on two sides of the transition section; one end of the transition section is connected with the ventilation pipe, and the other end of the transition section is connected with the power section ventilation pipe; the two ends of the power section ventilating pipe are connected with a transition section, and sound insulation materials are arranged on the periphery of a channel formed by the power section ventilating pipe and the two transition sections.
2. The vent power plant of claim 1 wherein the power end vent is a hollow cylinder.
3. The ventilation pipe power device of claim 1, wherein the fan support comprises a steel flat plate and two steel vertical plates, the two fan supports are symmetrically welded on the fan, the fan support is welded with the inner wall of the ventilation pipe at the power end, and the fan is coaxial with the ventilation pipe at the power end.
4. The ventilating pipe power device as claimed in claim 1, wherein the outer sleeve of the blower is formed by combining a jet flow type rectifier and a sleeve, the jet flow type rectifier is welded at one end of the sleeve and is a hollow cone, the tip of the cone head is arranged in a mirror image mode, and a plurality of ribs are uniformly connected from the symmetrical line of the tip of the cone head to the bottom of the cone.
5. The ventilation pipe power device of claim 4, wherein the jet type rectifier comprises a hollow circular truncated cone (34) and two conical cylinders (33), the diameter of the lower bottom surface of the circular truncated cone (34) is 456mm, the diameter of the upper bottom surface of the circular truncated cone is 137mm, and the height of a generatrix is 500 mm; the diameter of the bottom surface of the conical cylinder (33) is 137mm, the height of the generatrix is 150mm, and the tips of the two conical cylinders (33) are welded outwards in a mirror image mode.
6. The ventilation duct power plant of claim 1 wherein the transition section is a steel trumpet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595682.3U CN209875515U (en) | 2019-04-28 | 2019-04-28 | Ventilation pipe power device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920595682.3U CN209875515U (en) | 2019-04-28 | 2019-04-28 | Ventilation pipe power device |
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| Publication Number | Publication Date |
|---|---|
| CN209875515U true CN209875515U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920595682.3U Active CN209875515U (en) | 2019-04-28 | 2019-04-28 | Ventilation pipe power device |
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| Country | Link |
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| CN (1) | CN209875515U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219813A (en) * | 2019-04-28 | 2019-09-10 | 山西尚风科技股份有限公司 | A kind of ventilation duct power device |
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2019
- 2019-04-28 CN CN201920595682.3U patent/CN209875515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110219813A (en) * | 2019-04-28 | 2019-09-10 | 山西尚风科技股份有限公司 | A kind of ventilation duct power device |
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Address after: 030032 floor 18, block B, times Freedom Plaza, No. 190, Longxing street, Shanxi Demonstration District, Taiyuan City, Shanxi Province Patentee after: Shangfeng Technology Co.,Ltd. Address before: 030006 6th floor, block B, Gaoxin international, high tech Development Zone, Taiyuan City, Shanxi Province Patentee before: SHANXI SHANGFENG TECHNOLOGY Co.,Ltd. |