阅读说明：本技术 高效相变除尘除雾系统 (High-efficient phase transition dust removal defogging system ) 是由 张�杰 张小琴 陈晶 邓云波 于 2021-08-25 设计创作，主要内容包括：本申请涉及环保系统的领域,尤其是涉及一种高效相变除尘除雾系统,包括用于对废气进行处理的处理容腔,所述处理容腔一端设置有将外界废气输送至处理容腔的进气装置,所述处理容腔上连通有用于将处理完的废气排出的烟囱,所述处理容腔包括用于去除废气中蒸汽的预洗冷凝区、与所述预洗冷凝区连通且用于去除废气中粉尘的二次除尘区以及与二次除尘区连通且用于对废气中的雾气进行处理的除尘除雾区,所述进气装置与所述预洗冷凝区连通,所述烟囱与所述除尘除雾区连通,所述预洗冷凝区用于使废气中的蒸汽冷凝成液体。本申请具有可以实现对含湿粉尘进行除尘除雾的处理。(The utility model belongs to the technical field of environmental protection system and specifically relates to a high-efficient phase transition dust removal defogging system is related to, hold the chamber including being used for carrying out the processing of handling waste gas, it is provided with the air inlet unit who holds the chamber with external waste gas transport to the processing, the intercommunication has the chimney that is used for the exhaust gas exhaust that will handle on holding the chamber to handle, handle hold the chamber including be arranged in getting rid of waste gas steam prewash condensation zone, with prewash condensation zone intercommunication and be arranged in getting rid of the waste gas secondary dust removal district of dust and with secondary dust removal district intercommunication and be arranged in carrying out the dust removal defogging district of handling to the fog in the waste gas, air inlet unit with prewash condensation zone intercommunication, the chimney with dust removal defogging district intercommunication, prewash condensation zone is arranged in making the steam condensation of waste gas become liquid. This application has the processing that can realize removing dust and defogging to containing wet dust.)

1. The utility model provides a high-efficient phase transition dust removal defogging system which characterized in that: comprises a treatment cavity (1) for treating waste gas, wherein one end of the treatment cavity (1) is provided with an air inlet device (2) for conveying the external waste gas to the treatment cavity (1), a chimney (3) for discharging the treated waste gas is communicated with the treatment cavity (1), the treatment cavity (1) comprises a prewashing condensation area (11) for removing steam in the waste gas, a secondary dust removal area (12) which is communicated with the prewashing condensation area (11) and is used for removing dust in the waste gas, and a dust and mist removal area (13) which is communicated with the secondary dust removal area (12) and is used for treating mist in the waste gas, the gas inlet device (2) is communicated with the prewashing condensation area (11), the chimney (3) is communicated with the dedusting and demisting area (13), and the prewashing condensation area (11) is used for condensing steam in the waste gas into liquid.

2. The efficient phase-change dedusting and demisting system as claimed in claim 1, wherein: the pre-washing condensation area (11) is internally provided with a first spray head (112) used for spraying waste gas and a first water conveying pipe (111) used for conveying external cold water to the first spray head (112), and the temperature of the cold water conveyed to the first spray head (112) is 10-30 ℃.

3. The efficient phase-change dedusting and demisting system as claimed in claim 1, wherein: the secondary dedusting area (12) comprises a second spray nozzle (122) used for spraying the waste gas and a second water conveying pipe (121) used for conveying outside water to the second spray nozzle (122), and a packing layer (123) used for increasing the retention time of the waste gas in the secondary dedusting area (12) is arranged in the secondary dedusting area (12).

4. The system of claim 3, wherein: the packing layer (123) comprises at least two placing plates (1231) arranged in the secondary dust removing area (12) and a packing (1232) arranged between every two adjacent placing plates (1231), and each placing plate (1231) is provided with a flowing hole (1233) for exhaust gas to flow through.

5. The system of claim 4, wherein the system comprises: each placing plate (1231) is arranged in a hollow mode, ice water is filled in the placing plates (1231), and the temperature of the ice water is 5-10 ℃.

6. The system of claim 5, wherein the system comprises: the placing plates (1231) are arranged in a plurality at intervals.

7. The efficient phase-change dedusting and demisting system as claimed in claim 1, wherein: a demister (131) is arranged in the dust and mist removing area (13).

8. The system of claim 7, wherein: and a third spray head (133) and a third water pipe (132) used for conveying water to the third spray head (133) are arranged in the dedusting and demisting zone (13), and the third water pipe (132) is positioned above the demister (131).

9. The system according to any one of claims 7 or 8, wherein: the dust and mist removing area (13) is positioned above the secondary dust removing area (12), and the chimney (3) is communicated with the upper part of the dust and mist removing area (13).

10. The efficient phase-change dedusting and demisting system as claimed in claim 1, wherein: the air inlet device (2) comprises a fan (21), a first air inlet pipe (22) arranged at an air inlet of the fan (21) and a second air inlet pipe (23) arranged between the air outlet of the fan (21) and the treatment cavity (1), wherein one end, far away from the fan (21), of the first air inlet pipe (22) is communicated with a waste gas source.

Technical Field

The application relates to the field of environmental protection systems, especially, relate to a high-efficient phase transition dust removal defogging system.

Background

Along with the increase of environmental protection standard and people's environmental protection consciousness, the requirement to production and discharge environment is higher and higher, and the produced dust-containing waste gas passes through modes such as sack dust removal in the past and handles the back and discharge the atmosphere again to avoid the pollution that brings the atmosphere, also reduce the influence to people's healthy simultaneously.

At present, in the occasions of producing exhaust gas, for example: the workshop etc. of slag secondary treatment line, moisture material conveyor belt and steam-containing dust mostly contain the dust of steam in the waste gas that discharges out, and will lead to the sack to block up when handling through conventional sack dust removal, consequently how to handle moisture-containing dust, become one of the technical problem that environmental protection equipment design and production field personnel need solve.

Disclosure of Invention

In order to realize carrying out the dust removal defogging to containing wet dust and handle, this application provides a high-efficient phase transition dust removal defogging system.

The application provides a pair of high-efficient phase transition dust removal defogging system adopts following technical scheme:

the utility model provides a high-efficient phase transition dust removal defogging system, holds the chamber including being used for carrying out the processing of handling waste gas, it is provided with the air inlet unit who holds the chamber to handle with external waste gas transport to holding the chamber to handle to hold chamber one end, handle and hold the chamber on the chamber intercommunication have and be used for handling the exhaust gas exhaust chimney, handle hold the chamber including be arranged in getting rid of waste gas steam wash in advance the condensation zone, with wash in advance the condensation zone intercommunication and be arranged in getting rid of the waste gas in the secondary dust removal district of dust and with secondary dust removal district intercommunication and be arranged in the dust removal defogging district that handles the fog in the waste gas, air inlet unit with wash in advance the condensation zone intercommunication, the chimney with remove dust defogging district intercommunication, wash in advance the condensation zone and be used for making the steam in the waste gas condensate into liquid.

Through adopting above-mentioned technical scheme, during the use, can directly carry external waste gas to the prewashing condensation zone who handles the appearance chamber through air inlet unit, steam condensation liquefaction into water in can making the waste gas through the prewashing condensation zone, thereby get rid of the steam in the waste gas, can reach certain effect of getting rid of the dust simultaneously, the waste gas of getting rid of steam will reach the secondary dedusting area, most dust in the waste gas will be got rid of in the secondary dedusting area, the waste gas of getting rid of the dust will reach and remove the liquid drop of carrying in the waste gas in the fog district, the waste gas of finishing is directly discharged to the atmosphere in the chimney. The dust-removing and demisting operation of the dust containing time is realized, and the pollution to the atmosphere is reduced.

Optionally, a first spray nozzle for spraying the waste gas and a first water pipe for conveying external cold water to the first spray nozzle are arranged in the prewashing condensation area, and the temperature of the cold water conveyed to the first spray nozzle is 10-30 ℃.

Through adopting above-mentioned technical scheme, can carry water to first shower nozzle on through first raceway to spout the convection current to prewashing the waste gas of condensation zone from first shower nozzle and spray, the in-process that sprays, steam in the waste gas meets cold and becomes the water droplet with liquefaction, thereby realizes the dehumidification work to waste gas, and first shower nozzle also can drench the dust in the waste gas at the in-process that sprays waste gas simultaneously, reaches preliminary dust removal's effect.

Optionally, the secondary dust removal area includes a second spray nozzle for spraying the waste gas and a second water pipe for conveying the outside water to the second spray nozzle, and a packing layer for increasing the retention time of the waste gas in the secondary dust removal area is arranged in the secondary dust removal area.

Through adopting above-mentioned technical scheme, can be for the second shower nozzle to carry water through the second raceway, when waste gas passes through from the secondary dust removal district, the second shower nozzle will spray the waste gas that gets into the secondary dust removal district to get rid of the dust in the waste gas, realize the secondary dust removal to dust in the waste gas, and the packing layer can increase the dwell time of waste gas in the secondary dust removal district, makes the dust removal time longer, and the dust removal effect is better.

Optionally, the packing layer includes at least two placing plates installed in the secondary dust removing area and a packing placed between two adjacent placing plates, and each placing plate is provided with a flow hole through which the exhaust gas flows.

Through adopting above-mentioned technical scheme, waste gas can flow through from the flow hole, and the filler can play the effect of stopping to waste gas, increases the dwell time of waste gas.

Optionally, each placing plate is hollow inside, ice water is filled inside the placing plate, and the temperature of the ice water is 5-10 ℃.

Through adopting above-mentioned technical scheme, because place frozen water in the board inside packing, the temperature that will lead to placing board itself is lower, and when waste gas flowed through from the flow hole of placing on the board, the residual steam that is arranged in the waste gas meets cold and will condense for the water droplet, reaches further dehumidification's effect, and because the packing layer has increased the dwell time of waste gas, so make dehumidification effect better.

Optionally, the placing plate is provided with a plurality of placing plates at intervals.

By adopting the technical scheme, the residence time of the waste gas is longer, the dehumidification efficiency is higher, and the dust removal and dehumidification efficiency is further increased.

Optionally, a demister is installed in the dust and mist removing zone.

Through adopting above-mentioned technical scheme, can get rid of the fog in the waste gas through the defroster, realize the effect of defogging.

Optionally, a third spray head and a third water pipe for conveying water to the third spray head are installed in the dust and mist removing area, and the third water pipe is located above the mist eliminator.

Through adopting above-mentioned technical scheme, the third raceway can be carried external water to the third shower nozzle in, the third shower nozzle can spray the realization ultimate dust removal to the waste gas that reachs the dust removal defogging region, and the dust removal effect is better, and the third shower nozzle also can spray the washing to the defroster when spraying, reduces the probability that the defroster blockked up.

Optionally, the dust removal demisting area is located above the secondary dust removal area, and the chimney is communicated with the upper part of the dust removal demisting area.

Through adopting above-mentioned technical scheme for the waste gas that reaches secondary dust removal district can directly upwards reach dust removal defogging district, and the water that reaches third shower nozzle spun in the dust removal defogging district can flow from handling the appearance intracavity with second shower nozzle spun water together, and the waste gas that reaches dust removal defogging district can directly upwards discharge to external atmosphere in following the chimney after being handled, realizes the processing to waste gas, reduces the pollution that brings the atmosphere.

Optionally, the air inlet device includes a fan, a first air inlet pipe installed at the air inlet of the fan, and a second air inlet pipe installed between the air outlet of the fan and the treatment cavity, and one end of the first air inlet pipe, which is far away from the fan, is communicated with the waste gas source.

Through adopting above-mentioned technical scheme, can take out the waste gas of waste gas source to the fan in from first intake pipe through the fan, discharge to handling from the second intake pipe again and hold the intracavity, hold the chamber through handling and handle waste gas.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the arrangement of the prewashing condensation zone can liquefy the steam in the waste gas into liquid, thereby achieving the dehumidification effect, realizing the treatment of the moisture-containing dust, and simultaneously avoiding the problem of cloth bag blockage compared with the existing cloth bag dust removal;

2. due to the arrangement of the placing plate, on one hand, the filler can be supported, the retention time of waste gas is prolonged, the dust removal effect is better, on the other hand, the further dehumidification effect can be achieved, and the waste gas is more comprehensively treated;

3. the setting of third shower nozzle can carry out ultimate dust removal to waste gas on the one hand for the dust removal effect is more thorough, and on the other hand can also wash the defroster, reduces the probability production that the jam appears in the defroster.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present application.

Fig. 2 is a schematic diagram of a structure for embodying embodiment 2 of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Description of reference numerals: 1. treating the cavity; 11. pre-washing a condensation zone; 111. a first water delivery pipe; 112. a first nozzle; 12. a secondary dust removal area; 121. a second water delivery pipe; 122. a second nozzle; 123. a filler layer; 1231. placing the plate; 1232. a filler; 1233. a flow aperture; 1234. a water inlet pipe; 1235. a water outlet pipe; 13. a dust and mist removing area; 131. a demister; 132. a third water delivery pipe; 133. a third spray head; 14. a partition plate; 15. a flow channel; 16. a drain pipe; 2. an air intake device; 21. a fan; 22. a first intake pipe; 23. a second intake pipe; 24. a shock pad; 3. and (4) a chimney.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses high-efficient phase transition dust removal defogging system.

Example 1:

referring to fig. 1, the dust removal and defogging system includes a processing chamber 1 for processing the exhaust gas, an air inlet device 2 for conveying the external exhaust gas to the processing chamber 1 is installed at one end of the processing chamber 1, and a chimney 3 for exhausting the processed exhaust gas is further arranged on the processing chamber 1.

Referring to fig. 1, the air inlet device 2 includes a fan 21, a first air inlet pipe 22 installed at an air inlet of the fan 21, and a second air inlet pipe 23 installed at an air outlet of the fan 21, wherein one end of the first air inlet pipe 22, which is far away from the fan 21, is communicated with an external waste gas source, and is used for conveying waste gas in the waste gas source to the fan 21 through the first air inlet pipe 22; one end of the second air inlet pipe 23, which is far away from the fan 21, is communicated with the treatment cavity 1, the waste gas conveyed to the fan 21 through the first air inlet pipe 22 is conveyed to the treatment cavity 1 through the second air inlet pipe 23 for treatment, and finally is discharged from the chimney 3, so that the waste gas is treated.

And, in order to reduce the vibration during the operation of the fan 21, a shock-absorbing pad 24 is placed under the fan 21.

Referring to fig. 1, the processing chamber 1 includes a prewashing condensation area 11 for removing steam in the exhaust gas, a secondary dedusting area 12 communicated with the prewashing condensation area 11 for removing dust in the exhaust gas, and a dedusting and demisting area 13 communicated with the secondary dedusting area 12, wherein the dedusting and demisting area 13 is used for performing a three-stage treatment on the dust in the exhaust gas and removing mist in the exhaust gas.

Wherein, install vertical baffle 14 that sets up in handling appearance 1, baffle 14 upper end and handling appearance 1 top rigid coupling, baffle 14 below and handling appearance 1 bottom leave the flow channel 15 that supplies waste gas to flow through, baffle 14 one side towards second intake pipe 23 is prewashing condensation zone 11, baffle 14 opposite side is secondary dust removal district 12 and dust removal defogging district 13, and dust removal defogging district 13 is located secondary dust removal district 12 top, chimney 3 is located dust removal defogging district 13 top. The waste gas reaching the second air inlet pipe 23 directly reaches the prewashing condensation area 11 of the treatment cavity 1 for dehumidification, then flows into the secondary dedusting area 12 from the flow channel 15, directly reaches the dedusting and demisting area 13 for demisting and three-stage dedusting after dedusting in the secondary dedusting area 12, and finally the treated waste gas is discharged upwards from the chimney 3.

Referring to fig. 1, the prewash condensing zone 11 includes a first water pipe 111 for supplying external cold water to the prewash condensing zone 11 and a first spray head 112 for spraying the exhaust gas, and the first spray head 112 is installed on the first water pipe 111. When the waste gas reaches the prewashing condensation area 11 from the second gas inlet pipe 23, the first spray head 112 sprays the waste gas, and the steam in the waste gas is liquefied into water drops when meeting cold and is mixed with the water sprayed by the first spray head 112; meanwhile, in the process of spraying the waste gas by the first spray head 112, the dust in the waste gas is also washed away, so as to realize the dehumidification and the primary dust removal operation of the waste gas, and the treated waste gas reaches the secondary dust removal area 12 along the flow passage 15. Meanwhile, a drain pipe 16 for supplying water to flow out of the treatment cavity 1 is formed in the side wall of the treatment cavity 1, the drain pipe 16 is communicated with the bottom of the treatment cavity 1, and water sprayed by the first spray head 112 and water drops liquefied by steam in waste gas are discharged out of the treatment cavity 1 from the drain pipe 16.

The temperature of the cold water conveyed to the prewashing condensation area 11 through the first water conveying pipe 111 can be selected to be 10-30 ℃, preferably 20-25 ℃, and the temperature can be realized through an air cooling tower without extra refrigeration, so that the cost can be reduced while high-efficiency dehumidification is realized.

It can be understood that the water flowing out from the water discharge pipe 16 is collected after being filtered by the filtering system, and is fully utilized to realize the circulation of the water.

Referring to fig. 1, the secondary dust removing area 12 includes a second water pipe 121 for conveying external water to the secondary dust removing area 12 and a plurality of second spray heads 122 installed on a side wall of the second water pipe 121, and the second spray heads 122 spray the exhaust gas reaching the secondary dust removing area 12, so as to perform secondary dust removing operation on the exhaust gas. And in order to improve the dust removing efficiency, a packing layer 123 for increasing the staying time of the waste gas in the secondary dust removing area 12 is further provided in the secondary dust removing area 12.

The packing layer 123 includes two placing plates 1231 installed in the dust removing area and a packing 1232 placed between the two placing plates 1231, wherein the side walls of the placing plates 1231 are fixedly connected to the side walls of the treatment chamber 1 and the partition plate 14, and each placing plate 1231 is provided with a flow hole 1233 for the circulation of the exhaust gas. The waste gas that reaches secondary dust collecting area 12 will flow upwards to contact with filler 1232 through flow hole 1233, second shower nozzle 122 will spray waste gas simultaneously, get rid of the dust in the waste gas, filler 1232 will increase the dwell time of waste gas, make dust removal effect better.

The filler 1232 may be volcanic rock, which has a non-sharp-grained shape, has low resistance to water flow, is not easily blocked, does not affect the discharge of the water from the drain pipe 16 after the water sprayed from the second nozzle 122 passes through the filler 1232, and does not completely block the normal flow of the exhaust gas to the dust-removing and mist-removing region 13 while blocking the exhaust gas to increase the residence time of the exhaust gas. Of course, the filler 1232 can be made of other materials, which can increase the residence time of the exhaust gas and allow the exhaust gas and water to pass through, and is not listed here.

Referring to fig. 1, the dust-removing and mist-removing region 13 includes a mist eliminator 131 located on the upper side of the second water pipe 121, the mist eliminator 131 is fixedly connected between the sidewall of the processing chamber 1 and the partition 14, the exhaust gas flowing out of the secondary dust-removing region 12 reaches the dust-removing and mist-removing region 13 upwards, and the mist in the exhaust gas is removed by the mist eliminator 131. Wherein, the defroster 131 can directly purchase the defroster 131 that has now on the market, as long as can realize the effect of defogging can, no longer detailedly describe here.

In addition, in order to further improve the dust removing effect, a third water pipe 132 for conveying outside water to the dust removing and fog removing region 13 is installed in the dust removing and fog removing region 13, the third water pipe 132 is located above the demister 131, a third spray head 133 is installed on a side wall of the third water pipe 132, and a plurality of third spray heads 133 are provided. When the waste gas reaches the dust and mist removing area 13, the mist eliminator 131 can remove the mist in the waste gas, and simultaneously, the third spray nozzle 133 sprays the waste gas, so that the dust in the waste gas is removed for three times, and the dust removal efficiency is higher through the dust removal of the three processes. And the water sprayed from the third spray head 133 can also spray and clean the demister 131, thereby reducing the occurrence of blockage of the demister 131. The waste gas treated by the dust and mist removing area 13 is discharged upwards from the chimney 3, so that the dust and mist removing operation on the wet dust is realized.

The implementation principle of the embodiment 1 is as follows: during the use, fan 21 can take the waste gas in the waste gas source out from first intake pipe 22 to discharge to prewashing condensation area 11 through second intake pipe 23, first shower nozzle 112 will spray the waste gas that reachs prewashing condensation area 11, and steam in the waste gas meets cold will be liquefied into the water droplet, and the dust in the waste gas will be washed away by the water, realizes tentatively removing dust. The waste gas that has been treated through prewashing condensation zone 11 will reach secondary dust removal district 12 through flow channel 15, carry out secondary dust removal work to the dust in the waste gas through second shower nozzle 122, and packing layer 123 can increase the dwell time of waste gas in secondary dust removal district 12 for dust removal effect is better. The waste gas treated by the secondary dedusting area 12 reaches the dedusting and demisting area 13, is discharged into the atmosphere from the chimney 3 after being demisted by the demister 131 and being dedusted by the third nozzle 133 for three times, and completes the dedusting and demisting operation of the moisture-containing dust.

Example 2:

referring to fig. 2 and 3, the present embodiment is different from embodiment 1 in that a placing plate 1231 is provided with a hollow inside, and cold water is filled inside the placing plate 1231. A water inlet pipe 1234 for supplying cold water to the inside of the mounting plate 1231 is provided at one end of the mounting plate 1231, and a water outlet pipe 1235 for discharging water from the inside of the mounting plate 1231 is provided at the other end of the mounting plate 1231, thereby supplying and discharging water.

Wherein, the temperature of cold water can be selected to be 5-10 degrees centigrade, when the waste gas of secondary dust collecting area 12 upwards flows and passes through from flow hole 1233, remaining steam in the waste gas will contact with placing board 1231 through the inner wall of flow hole 1233 and meet cold liquefaction and become water, make placing board 1231 realize when realizing supporting filler 1232, can also realize the secondary dehumidification work to waste gas, dehumidification efficiency is higher. It can be understood that when the water needs to be delivered to the water level of 5-10 degrees centigrade in the inner hole of the placing plate 1231, a refrigeration device needs to be installed outside the dedusting and demisting system to realize the supply of cold water, and the way of refrigerating water by the refrigeration device is the prior art, and is not described in detail again.

Of course, the placing plates 1231 may be provided at intervals, and the fillers 1232 are respectively located between two adjacent placing plates 1231, so that multiple dehumidification operations are realized.

It is to be understood that liquid nitrogen or the like may be filled in the inside of the mounting plate 1231, but since liquid nitrogen is expensive, the present application will be described by taking an example in which ice water is filled in the inside of the mounting plate 1231.

The implementation principle of the embodiment 2 is as follows: when the waste gas reaching the secondary dust removing area 12 flows upwards, the waste gas reaches the packing layer 123 through the flow holes 1233, and when the waste gas reaches the packing layer 123, steam in the waste gas contacts the placing plate 1231 and is liquefied into water when meeting cold, so that secondary dehumidification operation is realized, and the dehumidification effect is better; meanwhile, the filler 1232 will also increase the residence time of the exhaust gas in the secondary dust removal area 12, so that the water sprayed from the second nozzle 122 can better perform dust removal operation on the dust in the exhaust gas.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.