CN213737565U - Non-positive pressure steam barrier - Google Patents
Non-positive pressure steam barrier Download PDFInfo
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- CN213737565U CN213737565U CN202022338219.6U CN202022338219U CN213737565U CN 213737565 U CN213737565 U CN 213737565U CN 202022338219 U CN202022338219 U CN 202022338219U CN 213737565 U CN213737565 U CN 213737565U
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Abstract
The utility model discloses a non-positive pressure steam barrier, which comprises a cylinder body and a plurality of nozzles; the inner cavity of the cylinder body is communicated with a feeding channel of high-temperature equipment; the plurality of nozzles are uniformly distributed on the outer side wall of the cylinder in a cyclone manner, the air inlet of each nozzle is connected with compressed air, and the air outlet of each nozzle faces the bottom of the inner cavity of the cylinder and is communicated with the inner cavity of the cylinder; the air pressure at the top of the inner cavity of the cylinder body does not exceed the air pressure at the bottom of the inner cavity of the cylinder body. This application can be the fluid that gets into the barrel inner chamber and be whirlwind form and get into high temperature equipment downwards to make barrel top and environmental pressure unanimous or be in little negative pressure state, thereby prevent that hot steam from rising to get into in the feeding hose of feeder hopper, and then prevent that hot steam from drenching the back with the powder and bonding on the hose wall. Furthermore, the compressed air entering the inner cavity of the cylinder body can cool the feeding channel, thereby preventing the low-melting point powder from melting and bonding on the wall of the hose.
Description
Technical Field
The utility model relates to a steam separation ware, especially a non-malleation steam separation ware.
Background
Powder adding is often involved in the use process of high-temperature equipment such as a high-temperature tank body or a reaction kettle, and the most common form is that a switch valve is arranged at a feeding port of the high-temperature tank body, and a hose is adopted for feeding on the switch valve. The heat transfer causes the feed hose itself to be hot and there is a steam surge when the on-off valve is opened. The following problems arise during use:
1. the low melting point powder will melt and stick to the wall of the hose, and the more the powder will accumulate.
2. The powder is wetted by the hot steam and then is adhered to the wall of the hose, and the more the powder is accumulated.
3. The material accumulated on the hose wall suddenly falls into the high temperature equipment, thereby affecting the formulation.
4. The bonded materials on the wall of the hose deteriorate due to untimely cleaning, and the bonded materials fall into high-temperature equipment to produce unqualified products.
5. Workers need to clean the hose frequently.
6. Under the weighing hopper or weightless scale, the hot steam exerts an upward positive pressure on the weighing hopper or weightless scale, thereby affecting the accuracy of the scale.
7. The hot steam has an upward positive pressure on the charging device, which easily causes dust leakage.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, and provide a non-malleation steam separation ware, this non-malleation steam separation ware can be whirlwind form entering high temperature equipment downwards with the fluid that gets into the barrel inner chamber to make barrel top unanimous or be in little negative pressure state with ambient pressure, thereby prevent that hot steam from rising to get into in the feeding hose of feeder hopper, and then prevent that hot steam from beating the powder and wet the back and bond on the hose wall. Furthermore, the compressed air entering the inner cavity of the cylinder body can cool the feeding channel, thereby preventing the low-melting point powder from melting and bonding on the wall of the hose.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a non-positive pressure steam blocker is installed in a feeding channel of high-temperature equipment and comprises a barrel and a plurality of nozzles.
The inner cavity of the cylinder body is communicated with a feeding channel of high-temperature equipment.
The plurality of nozzles are uniformly arranged on the outer side wall of the cylinder in a cyclone manner, the air inlet of each nozzle is connected with compressed air, and the air outlet of each nozzle faces the bottom of the inner cavity of the cylinder and is communicated with the inner cavity of the cylinder.
The air pressure at the top of the inner cavity of the cylinder body does not exceed the air pressure at the bottom of the inner cavity of the cylinder body.
The temperature sensor is arranged on the cylinder body and used for detecting the temperature in the inner cavity of the cylinder body.
Two adjacent nozzles are respectively a nozzle A and a nozzle B, the nozzle A is connected with a compressed air source through an air inlet valve A, and the nozzle B is connected with the compressed air source through an air inlet valve B.
An included angle formed between each nozzle and the corresponding circle tangent line of the barrel is alpha, an included angle formed between each nozzle and the central axis of the barrel is beta, and then alpha = 5-30 degrees, and beta = 30-60 degrees.
α=26°，β=30°
The inner diameter of each nozzle is 2-5 mm.
The top of the cylinder body is connected with the feed hopper through a feed hose, and the bottom of the cylinder body is connected with a feed inlet of high-temperature equipment through a feed switch valve.
The top of the high-temperature equipment is also provided with an exhaust valve.
The utility model discloses following beneficial effect has:
1. the fluid entering the inner cavity of the cylinder body can enter high-temperature equipment downwards in a cyclone shape, and the top of the cylinder body is consistent with the ambient air pressure or in a micro negative pressure state, so that the hot steam is prevented from rising into a feeding hose of the feeding hopper, and the hot steam is prevented from wetting powder and then adhering to the wall of the hose.
2. The compressed air entering the inner cavity of the cylinder body can cool the feeding channel, thereby preventing the low-melting point powder from melting and adhering on the wall of the hose.
3. The compressed air entering the inner cavity of the cylinder body can be adjusted, so that the cooling efficiency of the non-positive pressure steam barrier can be adjusted.
4. Less or no cleaning frequency to the feeding pipeline, and effectively ensures the real feeding formula.
5. The ambient pressure or slight negative pressure is maintained above the steam blocker.
Drawings
Fig. 1 shows a schematic structural view of a non-positive pressure steam barrier of the present invention.
Fig. 2 shows a cross-sectional view a-a in fig. 1.
Fig. 3 shows a schematic of the feed system including a non-positive pressure steam barrier.
Among them are:
1. a feed hopper; 2. a temperature sensor; 3. a non-positive pressure steam barrier; 31. a barrel; 32. a temperature sensor interface; 40. a nozzle; 41. an air intake valve A; 42. an intake valve B; 5. a pressure reducing valve; 6. a feed switch valve; 7. high temperature equipment; 71. and (4) exhausting the valve.
401 is nozzle A; 402 is nozzle B.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.
In the description of the present invention, it should be understood that the terms "left side", "right side", "upper part", "lower part" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, "first", "second" and the like do not indicate the degree of importance of the component parts, and thus, are not to be construed as limiting the present invention. The specific dimensions used in the present embodiment are only for illustrating the technical solution, and do not limit the protection scope of the present invention.
As shown in fig. 1, 2 and 3, a non-positive pressure steam blocker is installed in a feed passage of a high temperature apparatus 7.
The top of the high-temperature equipment is also provided with an exhaust valve 71.
The non-positive pressure steam barrier 3 comprises a cylinder 31, a temperature sensor 2 and a number of nozzles 40.
The barrel inner chamber is linked together with high temperature equipment's charge-in passage, specifically is: the top of the inner cavity of the cylinder body is communicated with the bottom of the feed hopper 1, and the bottom of the inner cavity of the cylinder body is preferably communicated with a feed inlet of high-temperature equipment through a feed switch valve 6.
The plurality of nozzles are uniformly arranged on the outer side wall of the cylinder in a cyclone manner, the air inlet of each nozzle is connected with compressed air, and the air outlet of each nozzle faces the bottom of the inner cavity of the cylinder and is communicated with the inner cavity of the cylinder.
The air pressure at the top of the inner cavity of the cylinder body does not exceed the air pressure at the bottom of the inner cavity of the cylinder body, and the environmental pressure or the micro negative pressure is preferably kept, namely the air pressure at the top of the inner cavity of the cylinder body is 0-10 KPa lower than the air pressure at the bottom of the inner cavity of the cylinder body.
A temperature sensor is preferably mounted on the barrel at a temperature sensor port 32 for sensing the temperature in the barrel interior.
The plurality of nozzles are connected with a compressed air source through air inlet valves and used for introducing compressed air into the inner cavity of the cylinder body.
The compressed air source is preferably a compressed air storage tank, and a stop valve and a pressure reducing valve 5 are sequentially distributed on an air outlet of the compressed air storage tank.
The included angle formed between each nozzle and the corresponding circle tangent of the cylinder is alpha, and the included angle formed between each nozzle and the central axis of the cylinder is beta, so that the included angle is preferably alpha = 5-30 °, beta = 30-60 °, further preferably alpha =26 °, and beta =30 °.
Further, the inner diameter of each nozzle is preferably 2-5 mm.
The air inflow of the compressed air in the inner cavity of the cylinder can be adjusted, and the specific adjusting method has the following two preferable embodiments.
Example 1
Each nozzle is connected to a source of compressed air by the same or multiple air inlet valves. Wherein, the air intake aperture of admission valve can be adjusted to make the separation and the cooling efficiency of non-positive pressure steam blocker, can adjust.
Example 2
Two adjacent nozzles are nozzle a and nozzle B, and the present application takes 12 nozzles as an example, and as shown in fig. 2, six nozzles a 401 and six nozzles B402 are included.
The six nozzles A are connected with a compressed air source through an air inlet valve A41, and the six nozzles B are connected with the compressed air source through an air inlet valve B42.
A material adding method of a high-temperature device preferably comprises the following steps.
In the feeding process, because the air inlet valve A is opened, compressed air is introduced into the inner cavity of the cylinder of the non-positive pressure steam blocking device. Because the nozzle bottom sets up down, and be the whirlwind form and lay, so the compressed air who lets in, when with the material cooling in the loading hopper, and make the material after the cooling be whirlwind form along with compressed air and get into high temperature equipment downwards, and make barrel top unanimous with ambient pressure or be in little negative pressure state (compressed air speed is faster, barrel top pressure is lower), do not have the return gas, thereby prevent that hot steam from rising to get into in the feeding hose of feeder hopper, and then prevent that hot steam from gluing the powder on the hose wall after wetting. In addition, the temperature of the materials in the feeding hopper is reduced, thereby preventing the low melting point powder from melting and bonding on the wall of the hose. Furthermore, the cleaning frequency of the feeding pipeline is reduced or eliminated, and the real feeding formula is effectively ensured.
The method for increasing the air intake of the compressed air in the inner cavity of the cylinder body has two preferred embodiments.
The air inlet opening degree of the air inlet valve is increased, so that the cooling efficiency of the non-positive pressure steam blocking device is increased.
The intake valve B42 is open and the non-positive pressure steam blocker opens the high efficiency mode.
The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention to perform various equivalent transformations, which all belong to the protection scope of the present invention.
Claims (8)
1. A non-positive pressure steam barrier, its characterized in that: the non-positive pressure steam blocker is arranged in a feeding channel of the high-temperature equipment and comprises a cylinder and a plurality of nozzles;
the inner cavity of the cylinder body is communicated with a feeding channel of high-temperature equipment;
the plurality of nozzles are uniformly distributed on the outer side wall of the cylinder in a cyclone manner, the air inlet of each nozzle is connected with compressed air, and the air outlet of each nozzle faces the bottom of the inner cavity of the cylinder and is communicated with the inner cavity of the cylinder;
the air pressure at the top of the inner cavity of the cylinder body does not exceed the air pressure at the bottom of the inner cavity of the cylinder body.
2. The non-positive pressure steam barrier of claim 1, wherein: the temperature sensor is arranged on the cylinder body and used for detecting the temperature in the inner cavity of the cylinder body.
3. The non-positive pressure steam barrier of claim 2, wherein: two adjacent nozzles are respectively a nozzle A and a nozzle B, the nozzle A is connected with a compressed air source through an air inlet valve A, and the nozzle B is connected with the compressed air source through an air inlet valve B.
4. The non-positive pressure steam barrier of claim 1, wherein: an included angle formed between each nozzle and the corresponding circle tangent line of the barrel is alpha, an included angle formed between each nozzle and the central axis of the barrel is beta, and then alpha = 5-30 degrees, and beta = 30-60 degrees.
5. The non-positive pressure steam barrier of claim 4, wherein: α =26 °, β =30 °.
6. The non-positive pressure steam barrier of claim 1, wherein: the inner diameter of each nozzle is 2-5 mm.
7. The non-positive pressure steam barrier of claim 1, wherein: the top of the cylinder body is connected with the feed hopper through a feed hose, and the bottom of the cylinder body is connected with a feed inlet of high-temperature equipment through a feed switch valve.
8. The non-positive pressure steam barrier of claim 7, wherein: the top of the high-temperature equipment is also provided with an exhaust valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022338219.6U CN213737565U (en) | 2020-10-20 | 2020-10-20 | Non-positive pressure steam barrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022338219.6U CN213737565U (en) | 2020-10-20 | 2020-10-20 | Non-positive pressure steam barrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213737565U true CN213737565U (en) | 2021-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022338219.6U Active CN213737565U (en) | 2020-10-20 | 2020-10-20 | Non-positive pressure steam barrier |
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|---|---|
| CN (1) | CN213737565U (en) |
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2020
- 2020-10-20 CN CN202022338219.6U patent/CN213737565U/en active Active
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