CN211612741U - Temperature and humidity controllable sand dust test box - Google Patents
Temperature and humidity controllable sand dust test box Download PDFInfo
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- CN211612741U CN211612741U CN201922263422.9U CN201922263422U CN211612741U CN 211612741 U CN211612741 U CN 211612741U CN 201922263422 U CN201922263422 U CN 201922263422U CN 211612741 U CN211612741 U CN 211612741U
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Abstract
The utility model belongs to the technical field of dustproof function test equipment's technique and specifically relates to a controllable formula dust and sand test box of humiture is related to, it includes the box, it has the circulation wind channel to connect on the box, be equipped with fan, heater and refrigeration pipe on the circulation wind channel, still supplement the chamber including setting up dust and sand separator and the dust on the circulation wind channel, along the gas flow direction on, dust and sand separator, refrigeration pipe, heater and dust and sand supplement the chamber and set gradually, the dust and sand separator bottom is equipped with out the sand mouth, the dust and sand supplements the chamber top and is equipped with into the sand mouth, it is equipped with the auger delivery ware to advance the sand mouth and go out between the sand mouth. The utility model discloses have the impact that reduces the sand and dust and to heater and refrigeration pipe, carry out the effect of better ground protection to heater and refrigeration pipe.
Description
Technical Field
The utility model belongs to the technical field of dustproof function test equipment's technique and specifically relates to a controllable formula dust test box of humiture.
Background
The dust test is mainly used for testing the dust resistance of equipment, and the principle is that a certain amount of dust is suspended in the air to simulate a dust-containing environment, then the equipment to be tested is placed in the air, and the influence of the suspended dust on the equipment to be tested is observed. And if the concentration of the sand dust is increased, the process that the equipment to be tested is invaded by the sand dust is accelerated. This is a basic method of environmental testing, and the construction of dusty environments is often aided by a sand and dust test chamber.
In the dust test process, the dust resistance of the equipment in different environments is often tested, such as changing the temperature and humidity of the dust-containing environment. To this end, chinese patent with publication number CN206810304U discloses an improved sand dust environmental test chamber, including the closed circulation wind channel that is used for simulating the sand dust environment, closed circulation wind channel is including end to end's test section in proper order, the air inlet section, the wind pipe section, sand dust test device is installed to the test section, sand dust test device includes the box, be equipped with the chamber door on the terminal surface before the box, be provided with the observation window on the chamber door, be equipped with the sample frame in the box, the air-out end of box passes through the return air inlet that toper hopper connects the air inlet section, the air outlet of air inlet section connects the air intake of wind pipe section, the air outlet of air inlet section sets up the below at air inlet section return air inlet, the air outlet of wind pipe section links to each other with the air inlet end of box, install the fan in the air inlet section.
The improved sand dust environment test box is provided with the heater and the refrigerating pipe in the air pipe section, and can heat the dust-containing gas which flows circularly by means of the heater to increase the temperature of the dust-containing gas or cool the dust-containing gas by means of the refrigerating pipe to reduce the temperature of the dust-containing gas. When the temperature of the dust-containing gas rises, part of water is gasified, and the ambient humidity is reduced; when the temperature of the dust-containing gas is reduced, part of water vapor is condensed, the environment humidity is increased, and finally the temperature and the humidity of the test section are adjusted.
However, in the actual use process, when the dust-containing gas flows through the heater and the refrigerating pipe, the sand and dust can continuously wash the surfaces of the heater and the refrigerating pipe along with the gas flow, so that the heater and the refrigerating pipe are gradually abraded, and even the shell of the heater and the pipe wall of the refrigerating pipe are abraded in severe cases.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a not enough to prior art exists, the utility model aims at providing a controllable formula sand dust proof box of humiture, it has the impact that reduces the sand dust to heater and refrigeration pipe, carries out the effect of better ground protection to heater and refrigeration pipe.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a controllable formula sand and dust proof test box of humiture, includes the box, it has the circulation wind channel to connect on the box, be equipped with fan, heater and refrigeration pipe on the circulation wind channel, still including setting up sand and dust separator and sand and dust on the circulation wind channel and supply the chamber, along the gas flow direction on, sand and dust separator, refrigeration pipe, heater and sand and dust supply the chamber and set gradually, the sand and dust separator bottom is equipped with out the sand mouth, sand and dust supplies the chamber top and is equipped with into the sand mouth, it is equipped with the auger delivery ware to advance between sand mouth and the sand mouth.
By adopting the technical scheme, when dust-containing gas flows in the circulating air duct, the dust-containing gas firstly passes through the dust-separating device, the dust and the gas flow are separated and fall into the sand outlet, cleaner gas continuously flows forwards, enters the dust replenishing cavity after being cooled by the refrigerating pipe or heated by the heater, and then the dust falling from the sand outlet is conveyed to the sand inlet by the screw conveyer, falls into the dust replenishing cavity, is mixed with the gas flow again and continues to circulate; the heater and the refrigerating pipe can adjust the temperature of the circulating air flow, but are less in contact with sand and dust, so that the impact of the sand and dust on the heater and the refrigerating pipe is reduced, and the heater and the refrigerating pipe are well protected.
The present invention may be further configured in a preferred embodiment as: the sand-dust separating device comprises a sand-dust separating cavity and a filter screen arranged in the sand-dust separating cavity, and the sand outlet is positioned on one side of the filter screen, which is back to the refrigerating pipe.
By adopting the technical scheme, when the dust-containing gas flows through the filter screen, part or all of the sand and dust are intercepted by the filter screen, separated from the air flow and then fall into the sand outlet under the action of gravity.
The present invention may be further configured in a preferred embodiment as: the filter screen is obliquely arranged, and the distance between the bottom end of the filter screen and the refrigerating pipe is smaller than the distance between the top end of the filter screen and the refrigerating pipe.
Through adopting above-mentioned technical scheme, the filter screen slope sets up, is favorable to the sand and dust to drop from the filter screen, and then makes gaseous circulation smoothly.
The present invention may be further configured in a preferred embodiment as: and a pneumatic hammer is arranged on one side of the filter screen facing the refrigerating pipe.
By adopting the technical scheme, the pneumatic hammer repeatedly impacts the filter screen, so that the filter screen continuously vibrates, and the sand and dust can smoothly fall off from the filter screen due to self inertia.
The present invention may be further configured in a preferred embodiment as: the bottom of the sand-dust separation cavity is provided with a conical sand collecting hopper, and the sand outlet is positioned at the bottom end of the sand collecting hopper.
Through adopting above-mentioned technical scheme, set up conical sand collection fill, can concentrate the sand dust and collect, then discharge from the sand outlet.
The present invention may be further configured in a preferred embodiment as: the sand-dust separating device is a cyclone dust collector.
By adopting the technical scheme, the dust-containing gas generates rotational flow after entering the cyclone dust collector, the sand dust has larger mass, is thrown to the periphery under the action of centrifugal force, is separated from the air flow, then slides down along the inner wall of the cyclone dust collector and enters the sand outlet.
The present invention may be further configured in a preferred embodiment as: the sand dust supplements the intracavity rotating turret and is equipped with the pivot, still is equipped with the motor that is used for ordering about the pivot rotation on the lateral wall in chamber is supplyed to the sand dust, the pivot sets up along vertical direction, is equipped with the sand raising disk in the pivot, the sand raising disk sets up along the horizontal direction, and the sand raising disk is located into sand mouth below.
Through adopting above-mentioned technical scheme, the motor orders about the pivot rotatory, and then drives the sand raising plate and rotate, and the sand dust gets into sand inlet after, falls on the sand raising plate, and is rotatory along with the sand raising plate under the effect of frictional force to throw away all around, form the sand curtain, can mix with the air current after the temperature change more smoothly.
The present invention may be further configured in a preferred embodiment as: the upper surface of the sand raising plate is provided with a plurality of partition plates, the partition plates are perpendicular to the sand raising plate, and the partition plates are distributed around the rotating shaft.
Through adopting above-mentioned technical scheme, perpendicular and the baffle of sand raising plate can promote the sand dust rotatory along with the sand raising plate, makes the sand dust smoothly by the raise.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the impact of sand dust on the heater and the refrigerating pipe is reduced, and the heater and the refrigerating pipe are well protected;
2. the filter screen is inclined, and the pneumatic hammer is arranged, so that sand and dust fall off from the filter screen, and the circulation air duct is kept smooth;
3. through setting up the sand raising plate, can make sand and dust mix better with the air current.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1;
FIG. 2 is a schematic view showing the construction of a dust-separating apparatus in example 1;
FIG. 3 is a schematic view showing the internal structure of a dust replenishing chamber in embodiment 1;
FIG. 4 is a schematic view of the entire structure of embodiment 2.
In the figure, 1, a box body; 2. a circulating air duct; 3. a fan; 4. a heater; 5. a refrigeration pipe; 6. a sand-dust separating device; 7. a sand and dust replenishing cavity; 8. a screw conveyor; 61. a sand outlet; 62. a sand-dust separation chamber; 63. a filter screen; 64. a pneumatic hammer; 65. a sand collecting hopper; 66. a cyclone dust collector; 71. a sand inlet; 72. a rotating shaft; 73. a motor; 74. a sand raising plate; 75. a separator.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1:
referring to fig. 1, for the utility model discloses a controllable formula dust and sand test box of humiture, including box 1 and circulation wind channel 2, 1 bottom of box and circulation wind channel 2's air intake flange joint, the top and circulation wind channel 2's air outlet flange joint. The circulating air duct 2 is provided with a fan 3, a sand-dust separating device 6, a refrigerating pipe 5, a heater 4 and a sand-dust supplementing cavity 7, and the above structures are arranged in sequence along the air flow direction. In addition, a screw conveyor 8 is arranged between the sand outlet 61 at the bottom end of the sand-dust separating device 6 and the sand inlet 71 at the top end of the sand-dust replenishing cavity 7.
Referring to fig. 2, the dust and sand separating apparatus 6 (see fig. 1) is composed of a dust and sand separating chamber 62, a filter screen 63, a pneumatic hammer 64 and a sand collecting hopper 65. The sand-dust separation chamber 62 is connected to the circulating air duct 2 (see fig. 1) and is connected to a pipe wall flange of the circulating air duct 2 (see fig. 1). The sand collecting hopper 65 is arranged at the bottom of the sand-dust separating cavity 62, the whole body is conical, the tip end of the sand collecting hopper faces downwards, and the sand outlet 61 is located at the bottom end of the sand collecting hopper 65.
Referring to fig. 2, the filter screen 63 is bolted to the inner wall of the sand-dust separation chamber 62, and the filter screen 63 is disposed obliquely, and has a bottom end connected to the edge of the sand collection hopper 65 on the side facing away from the fan 3 (see fig. 1), and a top end connected to the top surface of the inner wall of the sand-dust separation chamber 62 and located directly above the edge of the sand collection hopper 65 on the side facing the fan 3 (see fig. 1).
Referring to fig. 2, a pneumatic hammer 64 is bolted to a side of the filter screen 63 facing away from the fan 3 (see fig. 1), and the pneumatic hammer 64 is located in the middle of the filter screen 63. The filter screen 63 is vibrated continuously by the pneumatic hammer 64, and the sand and dust stuck in the mesh is shaken off.
Referring to fig. 3, a rotating shaft 72 is rotatably erected on the inner wall of the sand-dust replenishing cavity 7, the rotating shaft 72 is arranged along the vertical direction, the top end of the rotating shaft 72 is located in the sand inlet 71 of the sand-dust replenishing cavity 7, the bottom end of the rotating shaft is welded with a horizontal sand-raising disk 74, and the rotating shaft 72 and the sand-raising disk 74 are coaxial with the sand inlet 71.
Referring to fig. 3, a motor 73 is erected on the outer side wall of the sand inlet 71, and a crankshaft of the motor 73 is parallel to the rotating shaft 72 and is connected with the rotating shaft 72 through a pulley set to drive the rotating shaft 72 to rotate, so as to drive the sand raising disc 74 to rotate.
Referring to fig. 3, the diameter of the sand-throwing disk 74 is larger than the inner diameter of the sand inlet 71, and six partition plates 75 are welded to the upper surface thereof. The partitions 75 are disposed in a vertical direction and evenly distributed around the rotating shaft 72.
After entering the sand inlet 71, the sand dust falls on the sand raising plate 74 and is pushed by the partition plate 75 to rotate along with the sand raising plate 74, and then is thrown around and fully mixed with the air flow again.
The implementation principle of the embodiment is as follows:
when flowing in the circulating air duct 2, the dust-containing gas firstly passes through the sand-dust separating device 6. The sand and dust are separated from the air flow and fall into the sand outlet 61, and the cleaner air continuously flows forwards and enters the sand and dust replenishing cavity 7 after being refrigerated by the refrigerating pipe 5 or heated by the heater 4. At this time, the screw conveyor 8 conveys the sand dust falling from the sand outlet 61 to the sand inlet 71, and then falls into the sand dust replenishing chamber 7 to be mixed with the air flow again, and the circulation is continued. The heater 4 and the refrigerating pipe 5 can adjust the temperature of the circulating airflow, but the circulating airflow is less in contact with sand and dust, so that the impact of the sand and dust on the heater 4 and the refrigerating pipe 5 is reduced, and the heater 4 and the refrigerating pipe 5 are well protected.
Example 2:
the difference from embodiment 1 is that, referring to fig. 4, the sand-dust separating apparatus 6 (see fig. 1) employs a cyclone 66.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a controllable formula dust and sand test box of humiture, includes box (1), it has circulated air duct (2) to connect on box (1), be equipped with fan (3), heater (4) and refrigeration pipe (5) on circulated air duct (2), its characterized in that: still including setting up sand and dust separator (6) and sand and dust on circulating air duct (2) and supply chamber (7), along the gas flow direction, sand and dust separator (6), refrigeration pipe (5), heater (4) and sand and dust supply chamber (7) set gradually, sand and dust separator (6) bottom is equipped with sand outlet (61), sand and dust supply chamber (7) top is equipped with into sand mouth (71), it is equipped with auger delivery ware (8) to advance between sand mouth (71) and sand outlet (61).
2. The sand and dust test chamber capable of controlling temperature and humidity according to claim 1, characterized in that: the sand-dust separating device (6) comprises a sand-dust separating cavity (62) and a filter screen (63) arranged in the sand-dust separating cavity (62), and the sand outlet (61) is positioned on one side, back to the refrigerating pipe (5), of the filter screen (63).
3. The sand and dust test chamber with controllable temperature and humidity according to claim 2, characterized in that: the filter screen (63) is obliquely arranged, and the distance between the bottom end of the filter screen (63) and the refrigerating pipe (5) is smaller than the distance between the top end of the filter screen (63) and the refrigerating pipe (5).
4. The sand and dust test chamber with controllable temperature and humidity according to claim 2, characterized in that: and a pneumatic hammer (64) is arranged on one side of the filter screen (63) facing the refrigerating pipe (5).
5. The sand and dust test chamber with controllable temperature and humidity according to claim 2, characterized in that: the bottom of the sand-dust separation cavity (62) is provided with a conical sand collecting hopper (65), and the sand outlet (61) is positioned at the bottom end of the sand collecting hopper (65).
6. The sand and dust test chamber capable of controlling temperature and humidity according to claim 1, characterized in that: the sand-dust separating device (6) is a cyclone dust collector (66).
7. The sand and dust test chamber capable of controlling temperature and humidity according to claim 1, characterized in that: rotating shaft (72) are erected in sand dust supplementing cavity (7) internal rotation, still are equipped with on the lateral wall of sand dust supplementing cavity (7) and are used for driving about motor (73) that rotating shaft (72) are rotatory, vertical direction setting is followed in rotating shaft (72), is equipped with on rotating shaft (72) and raises sand tray (74), raise sand tray (74) and set up along the horizontal direction, raise sand tray (74) and be located into sand mouth (71) below.
8. The sand and dust test chamber capable of controlling temperature and humidity according to claim 7, characterized in that: the upper surface of the sand raising plate (74) is provided with a plurality of partition plates (75), the partition plates (75) are perpendicular to the sand raising plate (74), and the partition plates (75) are distributed around the rotating shaft (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263422.9U CN211612741U (en) | 2019-12-16 | 2019-12-16 | Temperature and humidity controllable sand dust test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922263422.9U CN211612741U (en) | 2019-12-16 | 2019-12-16 | Temperature and humidity controllable sand dust test box |
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| Publication Number | Publication Date |
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| CN211612741U true CN211612741U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922263422.9U Active CN211612741U (en) | 2019-12-16 | 2019-12-16 | Temperature and humidity controllable sand dust test box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465673A (en) * | 2021-07-02 | 2021-10-01 | 武汉罗丹莫纳标识有限公司 | Detection equipment is used in production of LED lamp house |
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2019
- 2019-12-16 CN CN201922263422.9U patent/CN211612741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465673A (en) * | 2021-07-02 | 2021-10-01 | 武汉罗丹莫纳标识有限公司 | Detection equipment is used in production of LED lamp house |
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