CN212142060U - Sulfuric acid tail gas electric field treatment device - Google Patents
Sulfuric acid tail gas electric field treatment device Download PDFInfo
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- CN212142060U CN212142060U CN202020352768.6U CN202020352768U CN212142060U CN 212142060 U CN212142060 U CN 212142060U CN 202020352768 U CN202020352768 U CN 202020352768U CN 212142060 U CN212142060 U CN 212142060U
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Abstract
The utility model discloses a sulfuric acid tail gas electric field treatment device, which comprises an insulating box and a sealing plate, wherein positive plates and negative plates are arranged in the insulating box in a staggered manner and are respectively electrically conducted with positive electrodes and negative electrodes; a plurality of discharge needles are arranged on one side of the negative plate opposite to the positive plate, and airflow channels are arranged at the end parts of the positive plate and the negative plate; and the absorption liquid is conveyed through a spray pipe and a spray head which are arranged on the insulation box; the utility model forms a high voltage electric field through the positive plate and the negative plate to carry out ionization treatment on the medium phase entering the insulation box; meanwhile, a W-shaped airflow loop is formed in the insulating box body by the structure that the positive plates and the negative plates are arranged in a staggered mode, so that the detention time of airflow in the insulating box is prolonged, the effective action time of an electric field on gas is ensured, and the treatment effect is improved; compared with the prior art, the utility model discloses can not produce waste water, and the product of retrieving can recycle, has improved the treatment effect to sulphuric acid industry tail gas, greatly reduced environmental protection discharge pressure.
Description
Technical Field
The utility model relates to a chemical industry equipment technical field, concretely relates to sulphuric acid tail gas electric field processing apparatus.
Background
The electric demister is a gas-liquid separation wet device with minimum purification fluid resistance, can be used for acid preparation from smelting flue gas, treatment of tail gas generated by calcining titanium white powder, treatment of various acid mist in chemical plants, and is mainly used in industries such as sulfuric acid and the like. The working principle of the electric demister is as follows: the alternating current is converted into direct current to be sent to the defogging device through the static control device and the direct current high-voltage generating device, a strong electric field is formed between the corona wire (cathode) and the acid mist trapping polar plate (anode), air molecules are ionized, a large number of electrons, positive ions and negative ions are generated instantaneously, and the electrons and the particles perform directional motion under the action of the electric field force to form a medium for trapping the acid mist. At the same time, the acid mist particles are charged, and the charged acid mist particles make directional movement under the action of the electric field force and reach an anode plate for trapping the acid mist. Then, the charged particles release electrons on the polar plate, so that the acid mist is gathered and flows into an acid storage tank of the acid mist remover under the action of gravity, and the aim of purifying the acid mist is fulfilled.
SUMMERY OF THE UTILITY MODEL
Poor defect of treatment effect to existence among the prior art, the utility model discloses a sulphuric acid tail gas electric field processing apparatus, the utility model discloses an electric field carries out the ionization to the sulfur dioxide in the waste gas, and it compares with prior art, the utility model discloses not only can not produce a large amount of waste water, and still have the advantage that treatment effect is good, and the treatment effeciency is high.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
an electric field treatment device for sulfuric acid tail gas comprises an insulating box and a sealing plate, wherein an air inlet pipe and an air outlet pipe are respectively arranged at two ends of the insulating box; positive plates and negative plates are arranged in the insulating box in a staggered mode, the positive plates are fixedly connected with the sealing plate in an insulating mode, the negative plates are fixedly connected with the insulating box, an air flow channel is arranged between the positive plates and the insulating box, and an air flow channel is arranged between the negative plates and the sealing plate; the insulating box is provided with a positive electrode and a negative electrode, the positive electrode is electrically conducted with the positive plate and is connected with the negative plate in an insulating way through an insulating pad, and the negative electrode is electrically conducted with the negative plate and is connected with the positive plate in an insulating way through the insulating pad; a plurality of discharge needles are arranged on both sides of the negative plate; the insulation box is further provided with a spray pipe, a spray head connected with the spray pipe is arranged between the positive plate and the negative plate, and a recovery pipe is arranged at the bottom of the insulation box body.
Preferably, a sealing rubber strip is arranged between the insulating box and the sealing plate, and a contraction cavity is arranged in the sealing rubber strip.
Preferably, the insulation box is further provided with a fastening screw for locking the sealing plate.
Preferably, the outlet pipe is further provided with a monitoring pipe, the monitoring pipe is fixedly provided with a sulfur dioxide concentration meter, and the inlet pipe and the outlet pipe are both provided with regulating valves.
Preferably, positive plate and negative plate all include the stereotype board and discharge electrode, the fixed both sides of laminating in the stereotype board of discharge electrode, the discharge electrode fixed surface of negative plate is provided with the discharge needle.
Preferably, an arc-shaped reflux groove is arranged between two adjacent negative plates, and the recovery pipe is positioned at the bottom of the arc-shaped reflux groove.
Preferably, the inner side of the insulating box is provided with a clamping groove matched with the positive plate.
Preferably, the insulation box is made of bakelite.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model comprises an insulation box and a sealing plate, wherein positive plates and negative plates are arranged in the insulation box in a staggered way and are respectively electrically conducted with the positive electrodes and the negative electrodes; a plurality of discharge needles are arranged on one side of the negative plate opposite to the positive plate, and airflow channels are arranged at the end parts of the positive plate and the negative plate; and the absorption liquid is conveyed through a spray pipe and a spray head which are arranged on the insulation box; the utility model forms a high voltage electric field through the positive plate and the negative plate to carry out ionization treatment on the medium phase entering the insulation box; meanwhile, a W-shaped airflow loop is formed in the insulating box body by the structure that the positive plates and the negative plates are arranged in a staggered mode, so that the detention time of airflow in the insulating box is greatly prolonged, the effective action time of an electric field on gas is ensured, and the treatment effect is improved; compared with the prior art, the utility model discloses can not produce a large amount of waste water, and the product of retrieving can be recycled, has improved the treatment effect to sulphuric acid industry tail gas, greatly reduced environmental protection discharge pressure.
2. The utility model is provided with the sealing rubber strip between the insulating box and the sealing plate, the sealing rubber strip is provided with the contraction cavity, on one hand, the sealing plate and the insulating box are detachably connected, thereby greatly facilitating the inclined maintenance of the equipment; on the other hand, the contractible sealing rubber strip has higher degree of engagement with the insulating box and the sealing plate, so that the sealing box of the insulating box can be greatly improved, the leakage is avoided, and the quality of tail gas treatment is improved;
3. the utility model discloses still be provided with the fastening screw who is used for the locking closing plate on the insulating case, it is convenient to dismantle, is favorable to reducing the plant maintenance degree of difficulty, and the fastening screw who evenly arranges simultaneously can guarantee that each position of closing plate all is sealed, can effectively improve the seal of closing plate under the great condition of closing plate size, avoids appearing gas leakage.
4. The utility model discloses still be provided with the monitoring pipe on the outlet duct, the fixed sulfur dioxide concentration meter that is provided with on the monitoring pipe all is provided with the governing valve simultaneously on intake pipe and outlet duct, and the staff can master the sulfur dioxide concentration of exit end at any time to through governing valve control air input, air output and the residence time in the box, guarantee that the tail gas through the processing satisfies the environmental protection requirement.
5. The utility model discloses a positive plate and negative plate include stock board and discharge plate, the fixed both sides of laminating in the stock board of discharge plate, discharge plate fixed surface is provided with the discharge needle, and when the negative plate size is great, can effectively guarantee the roughness through the stock board, and then ensure the interval between positive plate and the negative plate, guarantee electric field intensity, improve the purification treatment efficiency to tail gas.
6. The utility model discloses two adjacent negative plates are provided with the arc backward flow groove to between, the recovery tube is located arc backward flow tank bottom for the recovery of material avoids it to pile up in a large number in the insulating box, influences the normal degree of passageway, improve equipment's treatment effeciency.
7. The utility model discloses an insulating case adopts the bakelite preparation, guarantees the insulating properties of insulating case, guarantees electric field strength when improving the security.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of embodiment 2 of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a schematic view of the internal structure of the insulation box of the present invention;
FIG. 5 is an enlarged schematic view of part A of the present invention;
FIG. 6 is a schematic diagram of the electrode plate structure of the present invention;
reference numerals: 1. insulating box, 2, closing plate, 3, the intake pipe, 4, the outlet duct, 5, the positive plate, 6, the negative plate, 7, airflow channel, 8, the positive electrode, 9, the negative electrode, 10, insulating pad, 11, the discharge needle, 12, the shower, 13, the shower head, 14, the recovery tube, 15, joint strip, 16, shrink chamber, 17, fastening screw, 18, the monitoring tube, 19, the sulfur dioxide concentration meter, 20, the governing valve, 21, the stereotype board, 22, the discharge plate, 23, arc-shaped return tank, 24, the draw-in groove, 25, fastening nut.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following embodiments.
Embodiment mode 1
The embodiment is a basic embodiment of the utility model, and discloses a sulfuric acid tail gas electric field treatment device, which has a specific structure shown in fig. 1, and comprises an insulation box 1 and a sealing plate 2, wherein the insulation box 1 is made of bakelite; an air inlet pipe 3 and an air outlet pipe 4 are respectively arranged at two ends of the insulating box 1; the top of the insulating box 1 is provided with a mounting groove, the sealing plate 2 is buckled in the mounting groove, a sealing rubber strip 15 is arranged between the sealing plate 2 and the mounting groove, and a contraction cavity 16 is arranged at the central position of the sealing rubber strip 15; the two sides of the top of the insulating box 1 are provided with a plurality of groups of locking holes corresponding to each other, fastening screws 17 penetrate through the locking holes, fastening nuts 25 are connected to the fastening screws 17 through screw threads, and the sealing plate 2 is hermetically connected with the insulating box 1 through the extrusion limiting effect of the fastening screws 17.
A plurality of positive plates 5 and negative plates 6 are staggered in the insulating box 1, wherein the bottom edge and two sides of the negative plates 6 are fixedly connected with the bottom surface and the inner side surface of the insulating box 1, the top of the negative plates is lower than the height of the inner space of the insulating box 1, and an airflow channel 7 is formed between the negative plates and the sealing cover 2; the positive plate 5 is fixedly connected with the sealing cover 2, when the sealing cover is installed, two sides of the positive plate are matched with the clamping grooves 24 in the insulating box 1 to realize sealing, an airflow channel 7 is arranged between the bottom surface of the positive plate 5 and the bottom of the insulating box 1, and an ionization region is arranged between the positive plate 5 and the negative plate 6, so that all the ionization regions are connected in series through the airflow channel 7 to form a W-shaped airflow passage; meanwhile, the air inlet pipe 3 and the air outlet pipe 4 are arranged in a staggered way with the corresponding air flow channels 7;
the insulating box 1 is also fixedly provided with a positive electrode 8 and a negative electrode 9, the positive electrode 8 is electrically conducted with the positive plate 5 and is in insulated connection with the negative plate 6 through an insulating pad 10, the negative plate 6 is electrically conducted with the negative electrode 9 and is in insulated connection with the positive plate 5 through the insulating pad 10, and the positive electrode 8 and the negative electrode 9 are connected with external high-voltage electric field power supply equipment; meanwhile, a spray pipe 12 is arranged on the upper part of the insulation box 1 in an insulation manner, a spray head 13 is arranged on the spray pipe 12, the spray head 13 is positioned between two adjacent positive plates 5, a recovery pipe 14 is arranged at the bottom of the insulation box 1, and the recovery pipe 14 is positioned between two adjacent negative plates 6.
As a preferred embodiment of the present invention, the present invention discloses a sulfuric acid tail gas electric field treatment device based on embodiment 1, the specific structure is as shown in fig. 2 to fig. 6, the device comprises an insulation box 1 and a sealing plate 2, the left and right sides of the insulation box 1 are provided with a corresponding air inlet pipe 3 and an air outlet pipe 4, the air inlet pipe 3 and the air outlet pipe 4 are provided with regulating valves 20 for controlling the flow area, the air outlet pipe 4 is also fixedly provided with a monitoring pipe 18, and the monitoring pipe 18 is fixedly provided with a sulfur dioxide concentration meter 19;
further, crisscross a plurality of positive plates 5 and negative plate 6 that are provided with in insulating case 1, positive plate 5 and negative plate 6 all include stereotype 21 and discharge electrode 22, the fixed both sides of laminating in stereotype 21 of discharge electrode 22, wherein the discharge electrode 22 fixed surface of negative plate 6 is provided with discharge needle 11
Further, an arc-shaped reflux groove 23 is further formed in the bottom of the insulation box 1, the arc-shaped reflux groove 23 is formed between the two adjacent negative plates 6, and the recovery pipe 14 is installed at the bottom of the arc-shaped reflux groove 23.
When the utility model is used, the tail gas containing sulfur dioxide enters the insulating box from the air inlet and passes through the ionization area between the positive plate and the negative plate along the W-shaped track, the high-voltage high-energy electric field ionizes the sulfur dioxide in the tail gas and the oxygen in the air to produce sulfur trioxide, and the sulfur trioxide is finally absorbed by the spray liquid (water), thereby realizing the purification treatment of the sulfuric acid tail gas; compared with the existing wet treatment mode, the method has the advantages that the method does not generate wastewater, the treatment capacity is not reduced along with the increase of the concentration of the solution, and the treatment efficiency of tail gas can be ensured; and the tail gas molecules passing through the high-voltage electric field are all damaged, so that the treatment effect is effectively improved, and the environment-friendly discharge pressure is reduced.
Claims (5)
1. The utility model provides a sulphuric acid tail gas electric field processing apparatus which characterized in that: the insulation box comprises an insulation box (1) and a sealing plate (2), wherein an air inlet pipe (3) and an air outlet pipe (4) are respectively arranged at two ends of the insulation box (1); positive plates (5) and negative plates (6) are arranged in the insulating box (1) in a staggered mode, the positive plates (5) are fixedly connected with the sealing plate (2) in an insulating mode, the negative plates (6) are fixedly connected with the insulating box (1), an airflow channel (7) is arranged between the positive plates (5) and the insulating box (1) and between the negative plates (6) and the sealing plate (2); the insulation box (1) is provided with a positive electrode (8) and a negative electrode (9), the positive electrode (8) is electrically conducted with the positive plate (5) and is in insulation connection with the negative plate (6) through an insulation pad (10), and the negative electrode (9) is electrically conducted with the negative plate (6) and is in insulation connection with the positive plate (5) through the insulation pad (10); a plurality of discharge needles (11) are arranged on one side of the negative plate (6) opposite to the positive plate (5); the insulation box (1) is further provided with a spray pipe (12), a spray head (13) connected with the spray pipe (12) is arranged between the positive plate (5) and the negative plate (6), and a recovery pipe (14) is arranged at the bottom of the insulation box (1).
2. The electric field treatment device for sulfuric acid tail gas according to claim 1, characterized in that: positive plate (5) and negative plate (6) are including stereotype board (21) and discharge plate (22), discharge plate (22) are fixed to be laminated in the both sides of stereotype board (21), discharge plate (22) fixed surface of negative plate (6) is provided with discharge needle (11).
3. The electric field treatment device for sulfuric acid tail gas according to claim 1, characterized in that: an arc-shaped reflux groove (23) is arranged between the two adjacent negative plates (6), and the recovery pipe (14) is positioned at the bottom of the arc-shaped reflux groove (23).
4. The electric field treatment device for sulfuric acid tail gas according to claim 1, characterized in that: and a clamping groove (24) matched with the positive plate (5) is formed in the inner side of the insulating box (1).
5. The electric field treatment device for sulfuric acid tail gas according to claim 1, characterized in that: the insulation box (1) is made of bakelite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352768.6U CN212142060U (en) | 2020-03-19 | 2020-03-19 | Sulfuric acid tail gas electric field treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020352768.6U CN212142060U (en) | 2020-03-19 | 2020-03-19 | Sulfuric acid tail gas electric field treatment device |
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| CN212142060U true CN212142060U (en) | 2020-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020352768.6U Active CN212142060U (en) | 2020-03-19 | 2020-03-19 | Sulfuric acid tail gas electric field treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111228977A (en) * | 2020-03-19 | 2020-06-05 | 浙江嘉福新材料科技有限公司 | Sulfuric acid tail gas treatment device and treatment process |
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2020
- 2020-03-19 CN CN202020352768.6U patent/CN212142060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111228977A (en) * | 2020-03-19 | 2020-06-05 | 浙江嘉福新材料科技有限公司 | Sulfuric acid tail gas treatment device and treatment process |
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