CN216922193U - Balance air door of air duct - Google Patents
Balance air door of air duct Download PDFInfo
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- CN216922193U CN216922193U CN202123217647.4U CN202123217647U CN216922193U CN 216922193 U CN216922193 U CN 216922193U CN 202123217647 U CN202123217647 U CN 202123217647U CN 216922193 U CN216922193 U CN 216922193U
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- door body
- air duct
- air door
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Abstract
The utility model provides an air duct balance air door which comprises an air door body, a balance rod arranged at the upper part of the air door body and an opening arranged on the air door body, wherein the balance rod is connected with the balance rod through a connecting rod; wherein, a sealing element is arranged at the position of the peripheral edge of the air door body; a folding rod is arranged on the balancing rod; the air door body drives the balance rod through the folding rod, and the air door body is opened and closed. Adopt this kind of air duct balance air door through set up balanced air door on well head or adit air ducting, the inside stable difficult problem of wind pressure of dryer when satisfying the interior return air of well head or adit air duct and freely switching according to the demand in different seasons, guaranteed waste heat recovery's efficiency, and the device has compromise functions such as maintenance, maintenance and safe evacuation.
Description
Technical Field
The utility model relates to the technical field of mining, in particular to a balance air door arranged on an air duct of a waste heat recovery device.
Background
In China, in the production process of mines adopting underground mining, the treatment of mine drainage and the mine thermal hazard phenomenon are common phenomena needing to be faced. In order to ensure the normal work of underground personnel and machinery, mine water needs to be treated in time, and underground ventilation needs to be carried out in various modes. A large amount of heat energy is contained in waste water discharged from a mine and return air of the mine, the energy cannot cause the waste of attention of enterprises in the past, and water pollution, atmospheric pollution and waste heat pollution are caused to the environment while energy is wasted, so that the waste heat energy is harmful and useless.
At present, with increasing awareness of energy conservation, emission reduction and environmental protection, people develop a waste heat recovery system for recovering heat energy in mine return air. In the waste heat recovery system, the well head air duct is as the important device that return air collected among the waste heat recovery system, needs to have the function such as guaranteeing return air wind pressure, satisfying that the return air flow direction of different seasons is changeable.
Therefore, need for a new structure urgently, can satisfy the interior stable difficult problem of section of thick bamboo wind pressure when return air freely switches according to the demand in different seasons in the well head guide duct, guaranteed waste heat recovery's efficiency, and the device has compromise functions such as maintenance, maintenance and safe evacuation.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a balance damper for an air duct, in which the balance damper is disposed on the air duct at the wellhead, so as to collect and guide the return air more efficiently, and further, to ensure the air pressure and the air speed in the air duct.
The utility model provides an air duct balance air door which comprises an air door body, a balance rod arranged on the upper part of the air door body and an opening arranged on the air door body; wherein the content of the first and second substances,
sealing elements are arranged at the positions of the peripheral edge of the air door body;
a folding rod is arranged on the balancing rod;
the air door body drives the balance rod through the folding rod, and the air door body is opened and closed.
In addition, the preferable structure is that the air door body comprises a door frame upright post, a cross beam, a door shaft and a door leaf;
the door leaf is arranged on the door frame upright post through the door shaft, the cross beam is arranged at the top of the door leaf and is perpendicular to the door frame upright post, the balance rod is arranged at the upper part of the door leaf, one end of the folding rod is fixedly arranged on the cross beam, and the other end of the folding rod is fixedly arranged on the balance rod.
Preferably, the opening port is a highly airtight opening port.
Preferably, the highly airtight opening is a visual opening.
Further, it is preferable that a lock device is provided to the damper body.
Further, it is preferable that the locking device is provided at a lower portion of the damper body.
Further, it is preferable that the locking means includes an integral locking means and a separate locking means.
In addition, the folding rod preferably comprises a metal folding rod or an alloy folding rod; the balance bar comprises a metal balance bar and an alloy balance bar.
In addition, it is preferable that the sealing member is an elastic sealing piece.
In addition, the preferable structure is that the air duct balance air door is arranged on a plane or a horizontal ground close to the walking platform.
From the above description, it can be known that the balance air door of the air duct provided by the utility model can meet the problem of stable air pressure inside the air duct when return air in the air duct of the wellhead or the adit is freely switched according to requirements of different seasons by arranging the balance air door on the wellhead or the adit air guide device, thereby ensuring the efficiency of waste heat recovery, and the device has the functions of maintenance, overhaul, safety evacuation and the like.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings.
In the drawings:
FIG. 1 is a schematic view of an air duct balance damper according to an embodiment of the present invention;
fig. 2 is a schematic view of an embodiment of an air duct balance damper provided on an air guiding device according to an embodiment of the present invention.
Description of reference numerals:
1. a balancing pole; 2. a folding bar; 3. opening the opening; 4. a seal member; 5. a locking device; 6. the air door body.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". Other relative terms, such as "top", "bottom", and the like, are also intended to have similar meanings. The terms "a," "an," "the," and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," "third," and "fourth," etc. are used merely as labels, and are not limiting as to the number of their objects.
FIG. 1 is a schematic view of an air duct balance damper according to an embodiment of the present invention; and fig. 2 is a schematic view of an embodiment of an air duct balance damper provided on an air guiding device according to the embodiment of the utility model.
As shown in fig. 1 and fig. 2, the balance damper of the air duct of the present invention includes a damper body 6, a balance bar 1 disposed on an upper portion of the damper body 6, an opening 3 disposed on the damper body 6, and a locking device 5 disposed on a bottom side of the damper body 6.
Wherein, be provided with sealing member 4 on the position of the edge all around of air door body 6, be provided with folding rod 2 on balancing pole 1, air door body 6 passes through folding rod 2 and drives 1 opening and closing that realize air door body 6 of balancing pole to, can observe the inside condition of air duct at any time through opening 3, simultaneously, when inside and outside wind pressure is too big, make things convenient for opening of air door body 6 through adjustment opening 3.
The air door body 6 comprises a door frame upright post, a cross beam, a door shaft, a door leaf, a handle, a fastener, a sealing device, a transmission device and the like, and forms a main body structure of the air door body 6. The door leaf passes through the door-hinge setting on the door frame stand, and the crossbeam setting is at the top of door leaf and perpendicular to door frame stand, and balancing pole 1 sets up on the upper portion of door leaf, and the one end of folding rod 2 is fixed to be set up on the crossbeam, and the other end is fixed to be set up on balancing pole 1. The adjusting device is used for adjusting the internal wind pressure of the air duct, and solves the problem that the internal wind pressure generated by the free switching of return air in the wellhead air duct according to different monsoon requirements is unstable in the prior art.
The folding rod 2 comprises a metal folding rod and an alloy folding rod; the balance bar 1 comprises a metal balance bar and an alloy balance bar. In the present embodiment, the stabilizer bar 1 and the folding bar 2 are made of aluminum alloy. Through the difference of the inside and outside wind pressure of air ducting, can convert the wind-force part that air door body 6 received into the internal force of the transmission system that balancing pole 1 and folding rod 2 formed, be convenient for opening of air door body 6 under folding rod 2 and balancing pole 1 complex effect more.
Furthermore, the opening port 3 is a high-tightness opening port, so that the high-tightness opening port 3 can be opened when the internal and external wind pressure of the air guide device is too large, the internal and external wind pressure of the air guide device is balanced, the opening of the air door body 6 is facilitated, the influence of air leakage on the air guide device is reduced due to the high-tightness characteristic of the high-tightness opening port, and the overall operation efficiency of the air guide device is ensured.
Further, the highly airtight opening port 3 is a visual opening port. The visual opening 3 realizes the observation of the internal operation condition of the air guide device. The characteristics of high tightness and visualization of the opening 3 realize balance of internal and external air pressure of the air guide device and also consider observation of internal operation of the air guide device in normal work. The shape of the opening 3 includes rectangular opening, circular opening and elliptical opening. In detail, when the air guiding device has a particularly large internal and external air pressure, in order to reduce the phenomenon of stress concentration caused by the excessive internal and external air pressure, a circular opening or an elliptical opening is recommended to be used, so that the service life of the opening 3 is ensured, and the use effect of the opening 3 is improved.
Further, a lock device 5 is provided on the damper body 6. In this embodiment, the damper body 6 needs to be in an open state in a specific case according to the difference between the internal and external wind pressures. In general, since the wind pressure at the position of the wellhead inside the wind guide device is larger, the wind inside the wind guide device flows to the outside through the door of the damper body 6, and an airflow from the inside to the outside is generated. In a special case, the air outside the air guide device flows into the air guide device through the door leaf of the damper body 6, and an air flow from the outside to the inside is generated. Moreover, the air pressure and the flow velocity of the external wind are uncertain, and the condition of large airflow can occur at any time, so that the door leaf is fixed through the locking device 5, and the condition that the door leaf is suddenly closed due to overlarge return air speed when the door leaf is opened can be effectively avoided.
When the air guide device is used for recycling the waste heat of the return air, the air door body 6 needs to be closed, so that the return air is guided to flow to the recycling device at the top of the air guide device. In excessive season or when not needing waste heat recovery, can open air door body 6 according to the condition, the guide return air flow is outdoor, is favorable to the balance of whole amount of wind and extension waste heat recovery equipment's life-span.
Further, the lock device 5 is provided at a lower portion of the damper body 6. The locking device 5 comprises an integral locking device and a split locking device. Wherein, integrative locking device sets up the position that is close to the door frame stand in the lower part of air door body 6, fixes a position through setting up integrative locking device between door frame stand and door leaf, carries out door leaf home range's control, ensures that the door leaf can not close under certain external force condition. The split locking device comprises a fixed pile arranged on the ground and a locking buckle arranged at the position, far away from the door frame upright post, of the lower part of the door leaf, and the door leaf is fixed by arranging the locking buckle on the fixed pile. Both locking devices 5 enable the fixing of the door leaf.
Furthermore, the sealing element 4 is an elastic sealing sheet and is arranged at the position of the edge around the door leaf to seal the door leaf gap, so that the air leakage rate of the air duct balance air door is effectively reduced, the working efficiency of the waste heat recovery device is ensured, and the loss of a heat source is reduced. Of course, the seal 4 can also be arranged at the location where the door leaf and the door frame are connected. Sealing member 4 can be for foaming sealing member, silica gel sealing member, need notice this moment according to the time of using, and the sealing member can produce loss and ageing phenomenon, needs in time to change sealing member 4, guarantees the sealed effect of the balanced air door of ventilating duct.
Furthermore, when waste heat in return air is collected by the waste heat recovery device at a mine wellhead or a adit, the return air is collected and guided more efficiently by the air guide device. And, when satisfying above-mentioned function, guarantee the return air wind pressure of well head air duct through the balanced air door of air duct, control the wind speed in the air duct at about 4m/s to satisfy the effect such as changeable of the return air flow direction of different seasons. The wind speed value in the air duct is only used for reference, and the wind speed is adjusted through the air duct balance air door according to engineering design. A manual or automatic balance air door is arranged on the air duct and serves as an air control facility of an air control decision support part in the waste heat recovery system.
Further, the air duct balance air door is arranged on a plane or a horizontal ground close to the walking platform. The air guide duct is used for enabling workers to enter and exit between the air guide duct and the walking platform, and particularly, the workers can conveniently enter the air guide device through the air door body 6 from the walking platform or return to the walking platform through the air door body 6 from the air guide duct device. Particularly, when needing to be overhauled, the staff comes to the walking platform on, directly gets into in the air ducting through air door body 6. When underground workers need to be evacuated, the workers evacuate through the air door body 6 of the air guide device. The walking platforms can be replaced by horizontal ground, and the names of the walking platforms are replaced correspondingly according to different installation positions, so that the repeated description is omitted.
It should be specially explained that the wind pressure, the wind speed and the wind temperature of the underground return wind are subjected to analog calculation, the positions of the air guide duct balance air doors on the air guide duct are reasonably arranged, the requirements of the return wind on collection in winter, natural air exhaust in summer and transition seasons can be met, and the functions of maintenance, overhaul, safe evacuation and the like of the air guide duct are considered.
According to the technical scheme, the air duct balance air door provided by the utility model at least has the following advantages:
1. according to the balance air door of the air duct, the balance air door is arranged on the wellhead or adit air guide device, so that the problem of stable air pressure inside the air duct when return air in the wellhead or adit air duct is freely switched according to requirements in different seasons is solved, the return air pressure is ensured, the flow direction of the return air in different seasons is switchable, and favorable conditions are created for return air waste heat recovery.
2. The air duct balance air door provided by the utility model ensures the efficiency of waste heat recovery, and the device has the functions of maintenance, overhaul, safety evacuation and the like.
An air duct balance damper according to the present invention is described above by way of example with reference to the accompanying drawings. However, it will be appreciated by those skilled in the art that various modifications may be made to the air duct balance damper of the present invention described above without departing from the spirit and scope of the utility model. Therefore, the scope of the present invention should be determined by the contents of the appended claims.
Claims (10)
1. The air duct balance air door is characterized by comprising an air door body, a balance rod arranged at the upper part of the air door body and an opening arranged on the air door body; wherein the content of the first and second substances,
sealing elements are arranged at the positions of the peripheral edge of the air door body;
a folding rod is arranged on the balancing rod;
the air door body drives the balance rod through the folding rod, and the air door body is opened and closed.
2. The air duct balance damper of claim 1,
the air door body comprises a door frame upright post, a cross beam, a door shaft and a door leaf;
the door leaf is arranged on the door frame upright post through the door shaft, the cross beam is arranged at the top of the door leaf and is perpendicular to the door frame upright post, the balance rod is arranged at the upper part of the door leaf, one end of the folding rod is fixedly arranged on the cross beam, and the other end of the folding rod is fixedly arranged on the balance rod.
3. The air duct balance damper of claim 1,
the opening port is a high-tightness opening port.
4. The air duct balance damper of claim 3,
the high-tightness opening port is a visual opening port.
5. The air duct balance damper of claim 1,
and a locking device is arranged on the air door body.
6. The air duct balance damper of claim 5,
the locking device is arranged at the lower part of the air door body.
7. The air duct balance damper of claim 5,
the locking device comprises an integrated locking device and a split locking device.
8. The air duct balance damper of claim 1,
the folding rods comprise metal folding rods and alloy folding rods;
the balance bar comprises a metal balance bar and an alloy balance bar.
9. The air duct balance damper of claim 1,
the sealing element is an elastic sealing sheet.
10. The air duct balance damper of any of claims 1-9,
the air duct balance air door is arranged on a plane or a horizontal ground close to the walking platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123217647.4U CN216922193U (en) | 2021-12-20 | 2021-12-20 | Balance air door of air duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123217647.4U CN216922193U (en) | 2021-12-20 | 2021-12-20 | Balance air door of air duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216922193U true CN216922193U (en) | 2022-07-08 |
Family
ID=82252517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123217647.4U Active CN216922193U (en) | 2021-12-20 | 2021-12-20 | Balance air door of air duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216922193U (en) |
-
2021
- 2021-12-20 CN CN202123217647.4U patent/CN216922193U/en active Active
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