CN209752627U - Waste gas purification device - Google Patents
Waste gas purification device Download PDFInfo
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- CN209752627U CN209752627U CN201920208404.8U CN201920208404U CN209752627U CN 209752627 U CN209752627 U CN 209752627U CN 201920208404 U CN201920208404 U CN 201920208404U CN 209752627 U CN209752627 U CN 209752627U
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Abstract
The utility model discloses a waste gas purification device, include: a main body including a spray tower for reacting with exhaust gas, the spray tower comprising: the recycling layer and the spraying layer with at least one layer in number are arranged below the spraying layer; the main body further includes: the circulating spray pump is used for pumping the circulating purification liquid at the upper part of the recovery layer to the spray layer, the liquid discharge pump is used for pumping the circulating purification liquid at the bottom of the recovery layer, and the purification liquid device is used for outputting the initial purification liquid; the recovery layer is provided with air injection holes; the liquid discharge pump is connected with the bottom of the recovery layer; the utility model discloses can realize all keeping spraying liquid to spout the sufficiency that shines the flow at any moment, improve exhaust-gas purification's effect, protect the environment effectively, improve the recycle ratio of circulation scavenging solution simultaneously, reduce and spray the regional layering phenomenon of bottom emergence.
Description
Technical Field
The utility model relates to a waste gas treatment field, concretely relates to exhaust gas purification device.
Background
Under the more and more strict background of environmental protection requirement, the waste gas that produces often needs just can reach the emission requirement through a series of processings in the chemical production, at present, domestic generally uses the spray column to realize the absorption of waste gas, but at the in-process of changing spray column circulation scavenging solution, because circulation scavenging solution can not in time sufficient supply, arouse that the spray column sprays the flow too little, lead to waste gas purification effect relatively poor, cause waste gas leakage, cause the environmental protection problem, the insufficient bottom clearance of circulation scavenging solution can cause the spray column bottom to take place regional layering phenomenon simultaneously, reduce the utilization ratio of circulation scavenging solution.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide a waste gas purification device can realize all keeping spraying liquid to spray and shine the sufficient of flow at any moment, improves exhaust gas purification's effect, has protected the environment effectively, has improved the recycle ratio of circulation purifying liquid simultaneously, reduces and sprays the regional stratified phenomenon of bottom emergence.
The utility model provides a technical scheme that its problem adopted is:
An exhaust gas purification apparatus comprising a main body including a spray tower for reacting with exhaust gas, the spray tower comprising: the recycling layer and the spraying layer with at least one layer in number are arranged below the spraying layer; the main body further includes: the circulating spray pump is used for pumping the circulating purification liquid at the upper part of the recovery layer to the spray layer, the liquid discharge pump is used for pumping the circulating purification liquid at the bottom of the recovery layer, and the purification liquid device is used for outputting the initial purification liquid; the recovery layer is provided with air injection holes; the liquid discharge pump is connected with the bottom of the recovery layer, the circulating spray pump is respectively connected with the upper part of the recovery layer and the spray layer, and the purifying liquid device is respectively connected with the recovery layer and the spray layer.
Furthermore, a liquid level meter is connected to the side wall of the recovery layer.
Further, a liquid level controller is connected to the side wall of the recovery layer, and the liquid level controller is connected with a liquid level meter and a liquid discharge pump respectively.
Further, the main part still includes the ooff valve, the purifying liquid device passes through the ooff valve and is connected with recovery layer and liquid level controller respectively.
Furthermore, a PH detector is arranged in the recovery layer.
further, the main part still includes the draught fan, the draught fan is connected with the top of spray column.
Further, the top of the spraying layer is provided with spraying holes, and the spraying holes are respectively connected with a purifying liquid device and a circulating spraying pump.
Further, the main part still includes first pressure gauge, first pressure gauge is connected with the circulation and sprays the pump.
Further, the main part still includes the second pressure gauge, the second pressure gauge is connected with the positive displacement pump.
Further, the bottom of the spraying layer is provided with a filler for enlarging the contact surface of the waste gas with the circulating purification liquid and the initial purification liquid.
The embodiment of the utility model provides an in the technical scheme who provides, following beneficial effect has at least: the liquid discharge pump extracts the circulating purification liquid from the bottom of the recovery layer for replacement, so that the regional layering phenomenon at the bottom of the spray tower is avoided, and the recovery utilization rate of the circulating purification liquid is improved; meanwhile, the circulating spray pump continuously pumps the circulating purification liquid to the spray layer, and the purification liquid device continuously conveys the initial purification liquid to the spray layer, so that the spray layer can keep sufficient spraying of the spray liquid at any time, the waste gas purification effect is improved, and the environment is effectively protected.
Drawings
The invention is further described with reference to the following figures and examples.
Fig. 1 is a schematic structural view of an embodiment of an exhaust gas purifying apparatus according to the present invention.
Detailed Description
At present, the domestic general spray tower 1 is used for absorbing waste gas, but in the process of replacing the circulating purification liquid of the spray tower 1, the circulating purification liquid cannot be sufficiently supplied in time, so that the spray liquid is sprayed too little in sun, the waste gas purification effect is poor, waste gas leakage is caused, the environmental protection problem is caused, meanwhile, the insufficient bottom cleaning of the circulating purification liquid can cause the bottom of the spray tower 1 to generate the regional layering phenomenon, and the utilization rate of the circulating purification liquid is reduced.
Based on this, the utility model provides a waste gas purification device can realize all keeping spraying liquid to spout the sufficiency that shines the flow at any moment, improves exhaust gas purification's effect, has protected the environment effectively, has improved the recycle ratio of circulation purifying liquid simultaneously, reduces spray column 1 bottom and takes place regional stratified phenomenon.
The embodiments of the present invention will be further explained with reference to the drawings.
Referring to fig. 1, an embodiment of the present invention provides an exhaust gas purifying apparatus, including: a main body including a spray tower 1 for reacting with exhaust gas, the spray tower 1 including: the recycling layer 11 and at least one spraying layer 12 are provided, and the recycling layer 11 is arranged below the spraying layer 12; the main body further includes: a circulating spray pump 2 for pumping the circulating purification liquid at the upper part of the recovery layer 11 to a spray layer 12, a liquid discharge pump 3 for pumping the circulating purification liquid at the bottom of the recovery layer 11 and a purification liquid device 4 for outputting initial purification liquid; the recovery layer 11 is provided with air injection holes 111; the liquid discharge pump 3 is connected with the bottom of the recovery layer 11, the circulating spray pump 2 is respectively connected with the upper part of the recovery layer 11 and the spray layer 12, and the purifying liquid device 4 is respectively connected with the recovery layer 11 and the spray layer 12.
In this embodiment, before the waste gas is input into the spray tower 1, a certain amount of the circulating purification liquid is input into the recovery layer 11, and the content of the circulating purification liquid enables the circulating spray pump 2 to sufficiently pump the circulating purification liquid to the spray layer.
Waste gas is discharged into the recovery layer 11 of the spray tower 1 from the gas injection holes 111, the density of the waste gas is smaller than that of air, so the waste gas can gradually rise to enter the spray layer 12, initial purifying liquid is continuously input into the spray layer 12 in the purifying liquid device 4, and the waste gas is enabled to react with the spraying liquid in the spray layer 12 under the action of continuously inputting the circulating purifying liquid into the spray layer 12 in the circulating spray pump 2, so that a solution containing the waste gas is generated and drops to the recovery layer 11, the waste gas and the spraying liquid are enabled to continuously react for multiple times by arranging the multiple layers of spray layers 12, and the content of the waste gas in the gas discharged from the spray tower 1 is enabled to be reduced to the minimum. Wherein, the spraying liquid is a mixture of the initial purifying liquid and the circulating purifying liquid.
After the circulation scavenging solution used a period of time, the concentration of waste gas ion can rise in the solution, leads to the pH value of circulation scavenging solution to change, when the pH value changes and surpasses certain limit, needs to change circulation scavenging solution. When the circulating purification liquid is replaced, the circulating purification liquid is extracted from the bottom of the recovery layer 11 through the liquid discharge pump 3 for replacement, the bottom extraction arrangement avoids the phenomenon that precipitates or other insoluble substances generated by reaction are layered at the bottom of the spray tower 1, and particularly the corner position of the bottom of the recovery layer 11 improves the recovery utilization rate of the circulating purification liquid; when the circulating purification liquid is replaced, the circulating spray pump 2 continues to pump the circulating purification liquid to the spray layer 12, and the purification liquid device 4 continues to input the initial purification liquid to the spray layer 12, so that the spray layer 12 is kept sufficient for spraying the spray liquid at any time, the waste gas purification effect is improved, and the environment is effectively protected.
Further, another embodiment of the present invention also provides an exhaust gas purification apparatus, wherein a liquid level meter 112 is connected to a side wall of the recycling layer 11.
In this embodiment, the setting up of level gauge 112 makes the user can survey the content of circulation scavenging solution in recovery layer 11 in real time, when the content of circulation scavenging solution is less than certain liquid level, needs in time add circulation scavenging solution, avoids circulation spray pump 2 can not normally draw circulation scavenging solution, makes the content of spraying the liquid too little, causes the exhaust gas reaction insufficient.
Further, another embodiment of the present invention also provides an exhaust gas purification apparatus, wherein a liquid level controller 113 is connected to the side wall of the recycling layer 11, and the liquid level controller 113 is connected to the liquid level meter 112 and the liquid discharge pump 3 respectively.
In this embodiment, in the process of extracting and replacing the circulating purified liquid by the liquid discharge pump 3, when the liquid level meter 112 detects that the liquid level of the recovery layer 11 is lower than a certain height, the liquid level controller 113 controls the liquid discharge pump 3 to suspend operation, and stops extracting the circulating purified liquid, so as to avoid that the circulating spray pump 2 cannot normally extract the circulating purified liquid due to too low content of the circulating purified liquid, and thus the reaction between the waste gas and the spray liquid is insufficient.
Further, another embodiment of the present invention also provides an exhaust gas purification device, wherein the main body further comprises a switch valve 41, and the purification liquid device 4 is connected to the recovery layer 11 and the liquid level controller 113 through the switch valve 41.
In this embodiment, when the liquid level meter 112 detects that the liquid level of the recycling layer 11 is lower than a certain height, the liquid level controller 113 controls the on-off valve 41 to open, so that the purifying liquid device 4 inputs the initial purifying liquid to the recycling layer 11 in time until the circulating purifying liquid in the recycling layer 11 reaches a proper height, thereby avoiding that the circulating spraying pump 2 cannot normally extract the circulating purifying liquid, which causes insufficient waste gas reaction.
Further, another embodiment of the present invention further provides an exhaust gas purifying apparatus, wherein a PH detector 114 is disposed in the recycling layer 11.
In this embodiment, the PH detector 114 helps the user to observe the PH value of the circulating purifying liquid in the recycling layer 11, and the circulating purifying liquid is changed in time according to the change of the PH value, so that the waste gas purifying effect is improved.
Further, another embodiment of the utility model provides a waste gas purification device, wherein, the main part still includes draught fan 13, draught fan 13 is connected with the top of spray column 1.
In this embodiment, be connected with draught fan 13 at the top of spray column 1, can extract the gas that sprays layer 12 reaction to external environment, drive gaseous the emission, help the effective of reaction going on in spray column 1, improve the reaction efficiency of waste gas.
Further, another embodiment of the utility model provides a waste gas purification device still, wherein, spray layer 12 top and be provided with and spray hole 121, spray hole 121 and be connected with purifying liquid device 4 and circulation spray pump 2 respectively.
In this embodiment, spray layer 12 top and be provided with and spray hole 121, spray hole 121 and spout the mixture of shining initial scavenging solution and circulation scavenging solution, make waste gas fully react with spraying the liquid, improved exhaust purification's effect, protected the environment effectively.
Further, another embodiment of the present invention also provides an exhaust gas purification device, wherein the main body further comprises a first pressure gauge 5, and the first pressure gauge 5 is connected with the circulating spray pump 2.
In this embodiment, first pressure gauge 5 can detect the pressure of the 2 pipeline inner loop purifying liquids of circulating spray pump to the pipeline, realizes real-time detection circulating purification liquid to the pressure of pipeline, helps the user to adjust the running rate of circulating spray pump 2 according to the condition of pressure, avoids pipeline pressure too big emergence to burst.
Further, another embodiment of the present invention also provides an exhaust gas purification apparatus, wherein the main body further includes a second pressure gauge 6, and the second pressure gauge 6 is connected to the drain pump 3.
In this embodiment, the second pressure gauge 6 can detect the pressure of the circulating purification liquid in the pipeline of the liquid discharge pump 3 to the pipeline, so as to realize real-time detection of the pressure of the circulating purification liquid to the pipeline, thereby helping a user to adjust the running speed of the liquid discharge pump 3 according to the pressure condition, and avoiding the burst of the pipeline due to overlarge pressure.
Further, another embodiment of the present invention also provides an exhaust gas purifying apparatus, wherein the bottom of the spray layer 12 is provided with a filler 122 for increasing the contact surface between the exhaust gas and the circulating purification liquid and the initial purification liquid.
In this embodiment, the bottom of the spraying layer 12 is provided with a filler 122, the filler 122 may be an inert solid material, when the exhaust gas reacts with the spraying liquid, the exhaust gas may drop onto the filler 122 along with the spraying liquid, and the filler 122 enlarges the contact surface between the exhaust gas and the spraying liquid, so that the exhaust gas and the spraying liquid are strongly mixed with each other for reaction, thereby improving the exhaust gas purification effect and effectively protecting the environment.
In addition, referring to fig. 1, another embodiment of the present invention further provides an exhaust gas purifying apparatus. The exhaust gas purification device includes: the device comprises a recovery layer 11, at least one spray layer 12, a circulating spray pump 2 for pumping circulating purification liquid at the upper part of the recovery layer 11 to the spray layer 12, a liquid discharge pump 3 for pumping the circulating purification liquid at the bottom of the recovery layer 11, a purification liquid device 4 for outputting initial purification liquid, a switch valve 41, an induced draft fan 13, a first pressure gauge 5 and a second pressure gauge 6; the recycling layer 11 is arranged below the spraying layer 12, the recycling layer 11 is provided with an air injection hole 111, the side wall of the recycling layer 11 is connected with a liquid level meter 112 and a liquid level controller 113, the liquid level controller 113 is respectively connected with the liquid level meter 112 and the liquid discharge pump 3, and the recycling layer 11 is internally provided with a PH detector 114; the top of the spraying layer 12 is provided with spraying holes 121, the bottom of the spraying layer 12 is provided with a filler 122 for increasing the contact surface between the waste gas and the circulating purification liquid and the initial purification liquid, and the spraying holes 121 are respectively connected with the purification liquid device 4 and the circulating spraying pump 2; the liquid discharge pump 3 is connected with the bottom of the recovery layer 11, the circulating spray pump 2 is connected with the upper part of the recovery layer 11, and the purifying liquid device 4 is respectively connected with the recovery layer 11 and the liquid level controller 113 through a switch valve 41; the induced draft fan 13 is connected with the top of the spray tower 1; the first pressure gauge 5 is connected with the circulating spray pump 2, and the second pressure gauge 6 is connected with the liquid discharge pump 3.
In this embodiment, before the exhaust gas is input into the spray tower 1, a certain amount of the circulating purification liquid is input into the recovery layer 11, and the content of the circulating purification liquid enables the circulating spray pump 2 to sufficiently pump the circulating purification liquid.
Waste gas is discharged into the recovery layer 11 of the spray tower 1 from the gas injection holes 111, the density of the waste gas is smaller than that of air, so the waste gas can gradually rise to enter the spray layer 12, initial purifying liquid is continuously input into the spray holes 121 in the purifying liquid device 4, and the waste gas can drop on the filler 122 along with the spray liquid under the action of continuously inputting the circulating purifying liquid into the spray holes 121 by the circulating spray pump 2, the contact surface of the waste gas and the spraying liquid is enlarged by the filler 122, so that the waste gas and the spraying liquid are mixed strongly and react with each other to generate solution containing waste gas ions, and the solution drops on the recovery layer 11, the waste gas and the spraying liquid are continuously reacted for multiple times by arranging the multiple layers of spray layers 12, and the content of the waste gas in the gas discharged from the spray tower 1 is reduced to. Wherein, the spraying liquid is a mixture of the initial purifying liquid and the circulating purifying liquid.
After the circulation scavenging solution used a period of time, the concentration of waste gas ion can rise in the solution, leads to the pH value of circulation scavenging solution to change, when pH detector 114 detected that the pH value changes and surpassed certain limit, needs to change circulation scavenging solution. When the circulating purification liquid is replaced, the circulating purification liquid is extracted from the bottom of the recovery layer 11 through the liquid discharge pump 3 for replacement, the bottom extraction arrangement avoids the phenomenon that precipitates or other insoluble substances generated by the reaction of waste gas and spray liquid are layered with the circulating purification liquid at the bottom of the spray tower 1, and particularly the corner position of the bottom of the recovery layer 11 improves the recovery utilization rate of the circulating purification liquid; when the circulating purification liquid is replaced, the circulating spray pump 2 continues to pump the circulating purification liquid to the spray holes 121, and the purification liquid device 4 continues to input the initial purification liquid to the spray holes 121, so that the spray layer 12 can keep sufficient spraying of the spray liquid at any time, the purification effect of waste gas is improved, and the environment is effectively protected.
In the process of replacing the circulating purification liquid, the liquid level meter 112 detects the liquid level height of the circulating purification liquid in the recovery layer 11 at any moment, when the liquid level height is lower than a certain range, the liquid level controller 113 receives a low liquid level signal of the liquid level meter 112, controls the liquid discharge pump 3 to suspend operation, stops the extraction of the circulating purification liquid, and controls the switch valve 41 to be opened, so that the purification liquid device 4 inputs the initial purification liquid to the recovery layer 11 in time, and after the circulating purification liquid in the recovery layer 11 reaches a proper height, the liquid level controller 113 controls the switch valve 41 to be closed, so that the content of the circulating purification liquid in the recovery layer 11 is ensured, the circulating purification liquid can be normally supplied to the spray layer 12 by the circulating spray pump 2, the insufficient spraying liquid is avoided, and the exhaust gas reaction is insufficient.
The induced draft fan 13 is connected on the top of the spraying layer 12, and can extract the residual gas after the reaction of the spraying layer 12 to the external environment, so that the residual gas is discharged, the effective proceeding of the reaction in the spraying tower 1 is facilitated, and the reaction efficiency is improved.
First pressure gauge 5 can detect the pressure of the 2 pipeline inner loop purifying liquids of circulation spray pump to the pipeline, and second pressure gauge 6 can detect the pressure of 3 pipeline inner loop purifying liquids of positive displacement pump to the pipeline, realizes the pressure of real-time detection circulation purifying liquids to the pipeline, helps the user according to the condition of pressure, adjusts the running rate that circulation spray pump 2 and positive displacement pump 3, avoids pipeline pressure too big emergence to burst.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention defined by the appended claims.
Claims (10)
1. An exhaust gas purifying apparatus characterized in that: comprising a main body including a spray tower for reacting with exhaust gases, the spray tower comprising: the recycling layer and the spraying layer with at least one layer in number are arranged below the spraying layer; the main body further includes: the circulating spray pump is used for pumping the circulating purification liquid at the upper part of the recovery layer to the spray layer, the liquid discharge pump is used for pumping the circulating purification liquid at the bottom of the recovery layer, and the purification liquid device is used for outputting the initial purification liquid; the recovery layer is provided with air injection holes; the liquid discharge pump is connected with the bottom of the recovery layer, the circulating spray pump is respectively connected with the upper part of the recovery layer and the spray layer, and the purifying liquid device is respectively connected with the recovery layer and the spray layer.
2. An exhaust gas purifying apparatus as set forth in claim 1, characterized in that: and a liquid level meter is connected to the side wall of the recovery layer.
3. An exhaust gas purifying apparatus according to claim 2, characterized in that: and the side wall of the recovery layer is connected with a liquid level controller, and the liquid level controller is respectively connected with a liquid level meter and a liquid discharge pump.
4. An exhaust gas purifying apparatus according to claim 3, characterized in that: the main part still includes the ooff valve, the purifying liquid device passes through the ooff valve and is connected with recovery layer and liquid level controller respectively.
5. An exhaust gas purifying apparatus as set forth in claim 1, characterized in that: and a PH detector is arranged in the recovery layer.
6. An exhaust gas purifying apparatus as set forth in claim 1, characterized in that: the main part still includes the draught fan, the draught fan is connected with the top of spray column.
7. An exhaust gas purifying apparatus as set forth in claim 1, characterized in that: and the top of the spraying layer is provided with spraying holes which are respectively connected with a purifying liquid device and a circulating spraying pump.
8. An exhaust gas purifying apparatus as set forth in claim 1, characterized in that: the main part still includes first pressure gauge, first pressure gauge is connected with the circulation pump that sprays.
9. An exhaust gas purifying apparatus as set forth in claim 1, characterized in that: the main part still includes the second pressure gauge, the second pressure gauge is connected with the positive displacement pump.
10. An exhaust gas purifying apparatus as set forth in any one of claims 1 to 9, characterized in that: and the bottom of the spraying layer is provided with a filler for increasing the contact surface between the waste gas and the circulating purification liquid and the initial purification liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920208404.8U CN209752627U (en) | 2019-02-18 | 2019-02-18 | Waste gas purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920208404.8U CN209752627U (en) | 2019-02-18 | 2019-02-18 | Waste gas purification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209752627U true CN209752627U (en) | 2019-12-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920208404.8U Active CN209752627U (en) | 2019-02-18 | 2019-02-18 | Waste gas purification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209752627U (en) |
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2019
- 2019-02-18 CN CN201920208404.8U patent/CN209752627U/en active Active
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Address after: 529,145 No. 11, Zone A, Lingang Industrial Park, Gujing Town, Xinhui District, Jiangmen City, Guangdong Province (multiple photos of one site) Patentee after: Guangdong Fangyuan New Material Group Co.,Ltd. Address before: 519145 Lingang Industrial Park, Gujing Town, Xinhui District, Jiangmen City, Guangdong Province Patentee before: FANGYUAN ENVIRONMENTAL PROTECTION LTD. |