CN115041310B - High-efficient cyclone with spray set - Google Patents
High-efficient cyclone with spray set Download PDFInfo
- Publication number
- CN115041310B CN115041310B CN202210473738.4A CN202210473738A CN115041310B CN 115041310 B CN115041310 B CN 115041310B CN 202210473738 A CN202210473738 A CN 202210473738A CN 115041310 B CN115041310 B CN 115041310B
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- Prior art keywords
- ash bucket
- water outlet
- water
- spray head
- spray
- Prior art date
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- 239000007921 spray Substances 0.000 title claims abstract description 70
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 137
- 239000002245 particle Substances 0.000 claims abstract description 26
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 5
- 238000002156 mixing Methods 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 14
- 239000000428 dust Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C5/00—Apparatus in which the axial direction of the vortex is reversed
- B04C5/14—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations
- B04C5/18—Construction of the underflow ducting; Apex constructions; Discharge arrangements ; discharge through sidewall provided with a few slits or perforations with auxiliary fluid assisting discharge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
- B04C9/00—Combinations with other devices, e.g. fans, expansion chambers, diffusors, water locks
Landscapes
- Cyclones (AREA)
Abstract
The invention relates to a high-efficiency cyclone separator with a spraying device, which comprises a barrel, an ash bucket arranged at the lower end of the barrel and the spraying device, wherein the spraying device comprises a spray head arranged above the inside of the ash bucket and used for spraying solid particles accumulated in the ash bucket, the outlet direction of water flow in the spray head is arranged towards the upper part of the ash bucket, a water outlet channel sprayed by the water flow is arranged on the spray head, the water outlet channel spirally extends from the lower end to the upper end of the spray head along the outer peripheral surface of the spray head, the water outlet channel comprises a plurality of first water outlet holes and a plurality of second water outlet holes, the cross sections of the first water outlet holes and the second water outlet holes are different, and the first water outlet holes and the second water outlet holes are sequentially staggered at intervals along the length extending direction of the water outlet channel. The cyclone separator sprays water flow into the ash bucket, and by means of the condensation action of water molecules, the probability that solid particles in the ash bucket float up along with the air flow can be greatly reduced, the phenomenon of 'ash bucket back mixing' can be effectively weakened, and the separation efficiency of the cyclone separator can be improved.
Description
Technical Field
The invention relates to the technical field of dust removal systems, in particular to a high-efficiency cyclone separator with a spraying device.
Background
As shown in fig. 1, the cyclone separator generally comprises a cylinder 1' and an ash bucket 2' arranged below the cylinder 1', wherein the upper part of the cylinder 1' is cylindrical, the lower part is conical, and the upper part of the cylinder 1' is respectively provided with an air inlet pipe 3' and an air lifting pipe 4'. The cyclone separator works on the principle that gas containing solid particles is rotated and gas-solid two phases are separated by means of centrifugal force. The device can effectively remove useless solid particles and liquid drops in the gas under the condition of relatively low pressure, and can maintain higher efficiency under the conditions of high pressure and ultrahigh pressure.
The internal flow field of the cyclone separator is a complex strong rotating turbulent flow, and the great instability of the rotating motion of the airflow and the strong directional difference of the turbulent flow lead to the very complex actual separation process of the cyclone separator. For a conventional cyclone separator, a part of the airflow enters the ash bucket 2 'along the dust discharge opening 11' at the bottom of the barrel 1', but the airflow is inevitably reversed upwards due to the sealing of the bottom of the ash bucket 2', so that the separated particles are stirred up, and the finer particles are brought into the internal rotational flow in the ash bucket 2 again, so that 'ash bucket back mixing' is generated, and the stability of the separation performance of the whole cyclone separator is influenced. When the part of the airflow rises and returns to the cylinder 1', the phenomenon of back mixing of a dust discharge port is caused, and the occurrence of the back mixing phenomenon seriously affects the improvement of the efficiency of the cyclone separator, as shown in fig. 2.
Disclosure of Invention
The invention aims to solve the technical problem of providing the high-efficiency cyclone separator with the spraying device, which sprays solid particles collected in the ash bucket to ensure that dust particles in smoke and water molecules or the particles are mutually combined to gradually form larger particles to be trapped.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a high-efficient cyclone with spray set, includes the barrel and sets up the ash bucket of the lower extreme of barrel, still includes spray set, spray set is including setting up ash bucket inside top is used for gathering in the shower nozzle that the solid particle in the ash bucket sprayed, the outlet direction orientation of rivers in the shower nozzle the upper portion setting of ash bucket, be provided with water supply flow spun play water channel on the shower nozzle, play water channel follows the outer periphery of shower nozzle is followed the lower extreme upper end spiral of shower nozzle extends, play water channel includes a plurality of first apopores and a plurality of second apopores, first apopores with the cross-sectional area of second apopore is different, follows play water channel's length extending direction, first apopore with the interval setting is crisscross in order.
Preferably, the ash bucket comprises a first ash bucket arranged on the upper part and a second ash bucket arranged on the lower part, the first ash bucket is cylindrical, the second ash bucket is conical, the large end of the second ash bucket is sequentially connected with the lower end of the first ash bucket, and the center of the spray head is positioned at the position of 1/3 of the height of the first ash bucket from top to bottom. Therefore, the problem of ash rings on the top of the ash hopper of the cyclone separator can be effectively restrained.
Preferably, the spraying device is provided with two groups, and the spray heads of the two groups of spraying devices are symmetrically arranged in the ash bucket.
Further, the cylinder has an inlet for the entry of gas, and one set of the spray heads is spaced 135 degrees from the inlet in the circumferential direction of the hopper and the other set of the spray heads is spaced 315 degrees from the inlet in the circumferential direction of the hopper along the direction of gas flow. Therefore, the abrasion influence of the ash ring on the spray head can be avoided while the ash ring on the ash hopper is restrained.
Preferably, the water outlet channels are arranged in parallel, and the spiral angle of each water outlet channel is 45 degrees.
Preferably, the cross section of the first water outlet hole is rectangular, and the cross section of the second water outlet hole is circular. The processing technology of the spray head is simpler, and the spray head is convenient to process and manufacture.
Preferably, the spraying device further comprises a water tank, a water pump and a water inlet pipeline, the water tank and the water pump are both arranged outside the ash bucket, a water inlet of the water pump is connected to the water tank, one end portion of the water inlet pipeline is connected with a water outlet of the water pump, and the other end portion of the water inlet pipeline stretches into the ash bucket to be connected with the spray head.
Further, the water inlet pipeline comprises a first pipeline and a second pipeline, one end of the first pipeline is communicated with the water outlet of the water pump, and the other end of the second pipeline stretches into the ash bucket to be connected with the spray head.
Still further, the pipe diameter of the first pipe is larger than the pipe diameter of the second pipe. This increases the pressure of the water flow entering the spray head and thus increases the spray effect.
Preferably, the water inlet pipeline is detachably connected with the spray head, so that the spray head is convenient to detach and replace.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
(1) According to the cyclone separator, water flow is sprayed into the ash bucket, and the probability that solid particles in the ash bucket float up along with the air flow can be greatly reduced by means of the condensation of water molecules, so that the phenomenon of 'ash bucket backmixing' can be effectively weakened, and the separation efficiency of the cyclone separator can be improved.
(2) The invention can play a certain role in inhibiting harmful gas which is easy to dissolve in water in the flue gas by spraying water flow into the ash bucket, and can save the investment of gas purifying equipment or reduce the load of the gas purifying equipment to a certain extent.
(3) The invention sprays water flow into the ash bucket, has a certain weakening effect on the flow field in the ash bucket, and can reduce the impact of large-diameter particles on the bottom of the cyclone separator, thereby playing a certain protection role on the air leakage of the ash bucket.
Drawings
FIG. 1 is a schematic view of a cyclone separator of the prior art;
FIG. 2 is a schematic diagram of a prior art cyclone ash bucket back-mix;
FIG. 3 is a schematic perspective front view of a high efficiency cyclone separator with a spray device of the present embodiment;
FIG. 4 is a schematic top view of the high efficiency cyclone separator with spray apparatus of the present embodiment;
FIG. 5 is an enlarged schematic view of a portion of FIG. 3 at A;
FIG. 6 is a schematic top view of the ash bucket of this embodiment;
FIG. 7 is one of the schematic structural views (front view) of the top ash ring of the ash bucket;
FIG. 8 is a second (bottom view) schematic of the top ash ring of the ash bucket;
fig. 9 is a schematic structural diagram of the nozzle of the present embodiment after being connected to the second pipe.
Wherein: 1. a cylinder; 11. a first cylinder; 111. an inlet; 12. a second cylinder; 121. a dust discharge port; 2. an ash bucket; 21. a first ash bucket; 22. a second ash bucket; 3. an air inlet pipe; 4. a riser; 5. a collection box; 61. a water tank; 62. a water pump; 63. a water inlet pipe; 631. a first pipe; 632. a second pipe; 632a, straight tube; 632b, connecting elbows; 632c, a connection flange; 64. a spray head; 641. a first water outlet hole; 642. and a second water outlet hole.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
As shown in fig. 3 and 4, the present invention provides a high efficiency cyclone separator with a spray device, comprising a cylinder 1, an ash bucket 2 and a spray device.
The cylinder 1 comprises a first cylinder 11 positioned at the upper part and a second cylinder 12 positioned at the lower part, the first cylinder 11 is cylindrical, the second cylinder 12 is conical, the large end of the second cylinder 12 is sequentially connected with the lower end of the first cylinder 11, the small end of the second cylinder 12 is connected with the top of the ash bucket 2, and the diameter of the small end of the second cylinder 12 is smaller than that of the top of the ash bucket 2.
The upper part of the first cylinder 11 is provided with an inlet 111 for the inlet of gas, and the cyclone separator further comprises an inlet pipe 3 connected to the position of the inlet 111 and tangential to the first cylinder 11 and a riser pipe 4 provided at the top of the first cylinder 11, as shown in fig. 3.
The lower end of the second cylinder 12 is provided with a dust discharge port 121 so that solid particles separated by entering the cylinder 1 can enter the inside of the hopper 2 through the dust discharge port 121, as shown in fig. 3 and 5.
As shown in fig. 3 and 5, the ash bucket 2 includes a first ash bucket 21 at an upper portion and a second ash bucket 22 at a lower portion, the first ash bucket 21 is cylindrical, the second ash bucket 22 is conical, and a large end of the second ash bucket 22 is sequentially connected with a lower end of the first ash bucket 11. The cyclone separator also comprises a collecting box 5 arranged below the second hopper 22.
As shown in fig. 3 and 5, the shower device includes a water tank 61, a water pump 62, a water inlet pipe 63, and a shower head 64. The water tank 61 and the water pump 62 are both arranged outside the ash bucket 2, and the spray head 64 is arranged inside the ash bucket 2 and above the ash bucket 2. The water inlet of the water pump 62 is connected to the water tank 61, one end of the water inlet pipe 63 is connected to the water outlet of the water pump 62, and one end of the water inlet pipe 63 extends into the ash bucket 2 and is connected to the lower end of the spray head 64 located in the ash bucket 2.
The outlet direction of the water flow in the spray head 64 is arranged towards the upper part of the ash bucket 2, a water outlet channel sprayed by the water flow is arranged on the spray head 64, and the water outlet channel spirally extends from the lower end to the upper end of the spray head 64 along the outer peripheral surface of the spray head 64. The upper end of the spray head 64 is blocked by a blocking plate 643 so that water can only be sprayed out of the spray head 64 from the water outlet passage. As shown in fig. 9.
As shown in fig. 9, the water outlet channel includes a plurality of first water outlet holes 641 and a plurality of second water outlet holes 642, the cross-sectional areas of the first water outlet holes 641 and the second water outlet holes 642 are different, and the first water outlet holes 641 and the second water outlet holes 642 are sequentially staggered at intervals along the length extension direction of the water outlet channel.
Thus, when water flows through the first water outlet 641 and the second water outlet 642 and are sprayed out under the condition of the same water pressure, water flows with two different flow rates are generated, and the centrifugal force of the water flows can be enhanced and an annular spraying effect can be formed by combining the spiral design of the water flow channel, and the blocking of the spray head 64 can be prevented.
Preferably, a plurality of water outlet channels are arranged in parallel, and the spiral lift angle alpha of each water outlet channel is 45 degrees.
In the present embodiment, the cross section of the first water outlet 641 is rectangular, and the cross section of the second water outlet 642 is circular, which makes the processing technique of the nozzle 64 simple, thereby facilitating the processing and manufacturing of the nozzle 64. Of course, the first water outlet 641 and the second water outlet 642 may take other cross-sectional forms.
The flow field in the ash bucket 2 has better axisymmetry, but the top of the ash bucket 2 also has upward centripetal longitudinal secondary vortex, the longitudinal secondary vortex enables dust entering the ash bucket 2 to suspend on the top of the ash bucket 2 for a long time, so-called ash bucket top ash rings are formed, as shown in fig. 1, and the dust suspending on the top of the ash bucket 2 for a long time wears very seriously on the upper part of the ash bucket 2 and the top cover, as shown in fig. 7 and 8, the hatched parts in the drawings represent the abrasion of the upper part of the ash bucket 2 and the top cover caused by the ash bucket top ash rings.
To reduce or eliminate the bucket top ring, the spray head 64 is mounted in the present invention at about 1/3 of the height of the first bucket 21 from top to bottom. In this way, the water flow sprayed by the spray head 64 can wash the upper part of the ash bucket 2, so that the dust entering the ash bucket 2 cannot suspend on the top of the ash bucket 2 for a long time, and a good inhibition effect on the ash ring on the top of the ash bucket is achieved.
The spraying device is provided with two groups, the corresponding spraying heads 64 are also provided with two groups in the ash bucket 2, and the two groups of spraying heads 64 are preferably symmetrically arranged in the ash bucket 2.
In this embodiment, the inlet 111 of the bowl 1 is defined to be at the 0 degree position of the cyclone, as shown in figure 4. Due to the relatively severe eccentric flow in the ash bucket 2, the abrasion of the inner wall of the ash bucket 2 presents non-uniformity. Inside the hopper 2, wear is particularly severe at the top and upper part of the hopper 2 at 45 and 225 degrees from the inlet 111 in the circumferential direction of the hopper 2 in the direction of the airflow.
Thus, in the present invention, the two sets of showerhead 64 are disposed at the following positions along the gas flow direction: one set of spray heads 64 is spaced 135 degrees from inlet 111 in the circumferential direction of hopper 2 and the other set of spray heads 64 is spaced 315 degrees from inlet 111 in the circumferential direction of hopper 2, as shown in fig. 6. In this way, the wear of the top ash ring of the hopper on the spray head 64 is avoided while the top ash ring of the hopper is inhibited.
The material of the water inlet pipeline 63 can be 316L stainless steel, the water inlet pipeline 63 comprises a first pipeline 631 and a second pipeline 632, one end of the first pipeline 631 is communicated with the water outlet of the water pump 62, and the other end of the second pipeline 632 extends into the ash bucket 2 to be connected with the spray head 64. The pipe diameter of the first pipe 631 is greater than the pipe diameter of the second pipe 632. In this way, when the water flow enters the second pipe 632 from the first pipe 631, the water flow pressure can be increased, so that the pressure of the water flow ejected from the nozzle 64 can be increased to increase the shower effect.
In this embodiment, the second pipe 632 includes a straight pipe 632a and a connecting bent pipe 632b, the straight pipe 632a is fixedly connected to the ash bucket 2 through a connecting flange 632c, one end of the connecting bent pipe 632b is fixedly connected to the straight pipe 632a, and the other end of the connecting bent pipe 632b is detachably connected to the lower end of the nozzle 64, so that the nozzle 64 is convenient to detach and replace.
Smoke enters the cylinder 1 tangentially from the inlet 111 through the air inlet pipe 3, and after the solid particles collide with the wall surface of the cylinder 1 due to centrifugal force generated by rotation in the cylinder 1, the smoke slides down along the wall surface by gravity to be accumulated in the ash bucket 2 and then is discharged into the collecting box 5; the gas is discharged from the riser 4 through the outward vortex moving downwards in the axial direction and then through the inward vortex moving upwards in the axial direction during the rotation movement, thereby completing the gas-solid separation. The spraying device is started while the process is carried out, the water pump 62 pumps the water in the water tank 61 to the spray head 64 through the water inlet pipe 63, and the water is sprayed out to the upper part of the ash bucket 2 through the spray head 64, so that solid particles collected in the ash bucket 2 are sprayed, dust particles and water molecules in the flue gas or the particles and the particles are mutually combined to gradually form larger particles to be trapped, and finally the larger particles are discharged into the collecting box 5 along with the water.
The invention reduces or eliminates the backmixing phenomenon in the ash bucket by spraying water flow into the ash bucket 2, thereby improving the working efficiency of the cyclone separator. Meanwhile, the harmful gas which is easy to dissolve in water can be dissolved in the water, the harmful gas which is easy to dissolve in the water in the flue gas can play a certain role in inhibiting, and the investment of gas purifying equipment is saved or the load of the gas purifying equipment is reduced to a certain extent. In addition, because the particle diameter in the ash bucket 2 is increased, the particle has a certain weakening effect on the airflow field in the ash bucket 2, and the impact of large-diameter particles on the bottom of the cyclone separator can be reduced, so that a certain protection effect on the air leakage of the ash bucket 2 is achieved. Finally, the tail powder or particles collected by the collecting box 5 can be recycled or changed into valuable, so that the economic loss of enterprises is reduced.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present invention. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a high-efficient cyclone with spray set, includes the barrel and sets up the ash bucket of the lower extreme of barrel, its characterized in that: the spraying device comprises a spray head which is arranged above the inside of the ash bucket and used for spraying solid particles collected in the ash bucket, the outlet direction of water flow in the spray head is towards the upper part of the ash bucket, a water outlet channel sprayed by water supply flow is arranged on the spray head, the water outlet channel spirally extends from the lower end to the upper end of the spray head along the outer peripheral surface of the spray head, the water outlet channel comprises a plurality of first water outlet holes and a plurality of second water outlet holes, the cross sections of the first water outlet holes and the second water outlet holes are different, and the first water outlet holes and the second water outlet holes are sequentially staggered at intervals along the length extending direction of the water outlet channel; the ash bucket comprises a first ash bucket positioned at the upper part and a second ash bucket positioned at the lower part, the first ash bucket is cylindrical, the second ash bucket is conical, the large end of the second ash bucket is sequentially connected with the lower end of the first ash bucket, and the center of the spray head is positioned at a position of 1/3 of the height of the first ash bucket from top to bottom; the spraying device is provided with two groups, the cylinder body is provided with an inlet for gas to enter, along the gas flow direction, one group of the spray heads are located at intervals of 135 degrees between the positions of the ash hoppers in the circumferential direction and the inlet, and the other group of the spray heads are located at intervals of 315 degrees between the positions of the spray heads in the circumferential direction of the ash hoppers and the inlet.
2. The high efficiency cyclone separator with spray apparatus of claim 1 wherein: the spray heads of the two groups of spray devices are symmetrically arranged in the ash bucket.
3. The high efficiency cyclone separator with spray apparatus of claim 1 wherein: the water outlet channels are arranged in parallel, and the spiral lift angle of each water outlet channel is 45 degrees.
4. The high efficiency cyclone separator with spray apparatus of claim 1 wherein: the cross section of the first water outlet hole is rectangular, and the cross section of the second water outlet hole is circular.
5. The high efficiency cyclone separator with spray apparatus of claim 1 wherein: the spraying device further comprises a water tank, a water pump and a water inlet pipeline, wherein the water tank and the water pump are arranged outside the ash bucket, a water inlet of the water pump is connected to the water tank, one end portion of the water inlet pipeline is connected with a water outlet of the water pump, and the other end portion of the water inlet pipeline stretches into the ash bucket to be connected with the spray head.
6. The high efficiency cyclone having a spray apparatus of claim 5 wherein: the water inlet pipeline comprises a first pipeline and a second pipeline, one end of the first pipeline is communicated with the water outlet of the water pump, and the other end of the second pipeline stretches into the ash bucket to be connected with the spray head.
7. The high efficiency cyclone having a spray apparatus of claim 6 wherein: the pipe diameter of the first pipeline is larger than that of the second pipeline.
8. The high efficiency cyclone having a spray apparatus of claim 5 wherein: the water inlet pipeline is detachably connected with the spray head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210473738.4A CN115041310B (en) | 2022-04-29 | 2022-04-29 | High-efficient cyclone with spray set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210473738.4A CN115041310B (en) | 2022-04-29 | 2022-04-29 | High-efficient cyclone with spray set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115041310A CN115041310A (en) | 2022-09-13 |
| CN115041310B true CN115041310B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210473738.4A Active CN115041310B (en) | 2022-04-29 | 2022-04-29 | High-efficient cyclone with spray set |
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| EP1023932A1 (en) * | 1999-01-29 | 2000-08-02 | The BOC Group plc | Gas purifying cyclone |
| CN1644022A (en) * | 2005-01-25 | 2005-07-27 | 南京大学 | Asymmetrical uniform watering nozzles |
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| CN205628329U (en) * | 2016-05-11 | 2016-10-12 | 上海卓旋化工科技有限公司 | Wet process multitube cyclone |
| CN207563115U (en) * | 2017-10-14 | 2018-07-03 | 广州市国味油脂食品有限公司 | A kind of cyclone dust removal machine |
| CN210587461U (en) * | 2019-07-03 | 2020-05-22 | 浙江宇钻精密元件有限公司 | Cutting reamer with staggered holes |
| DE202019106487U1 (en) * | 2019-11-21 | 2021-02-24 | Bma Braunschweigische Maschinenbauanstalt Ag | Dust separator and evaporation dryer |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023932A1 (en) * | 1999-01-29 | 2000-08-02 | The BOC Group plc | Gas purifying cyclone |
| CN1644022A (en) * | 2005-01-25 | 2005-07-27 | 南京大学 | Asymmetrical uniform watering nozzles |
| CN2889505Y (en) * | 2006-03-02 | 2007-04-18 | 江苏牧羊迈安德食品机械有限公司 | Wet type trapper |
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| Publication number | Publication date |
|---|---|
| CN115041310A (en) | 2022-09-13 |
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