CN210252689U - A tunnel electrostatic dust removal and purification device - Google Patents
A tunnel electrostatic dust removal and purification device Download PDFInfo
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- CN210252689U CN210252689U CN201920872268.2U CN201920872268U CN210252689U CN 210252689 U CN210252689 U CN 210252689U CN 201920872268 U CN201920872268 U CN 201920872268U CN 210252689 U CN210252689 U CN 210252689U
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- collecting plate
- purification device
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Abstract
The utility model discloses a tunnel electrostatic dust collection and purification device, which comprises a negative plate, a dust collecting plate, a cathode needle, an insulating plate and a dust collecting box; the negative plate and the dust collecting plate are oppositely arranged, the upper parts of the negative plate and the dust collecting plate are covered with an insulating plate, and the bottom of the negative plate and the dust collecting plate is provided with a dust collecting box; the opposite surfaces of the negative plate and the dust collecting plate are honeycomb-shaped, and the distance between the negative plate and the dust collecting plate is 15-25 cm; cathode needles are arranged on the honeycomb surface of the negative plate, and gaps are reserved between the cathode needles and the honeycomb surface of the dust collecting plate; when the power is on, the air entering between the dust collecting plate and the dust collecting plate can be ionized, and dust particles and ions are charged with negative electricity and can be discharged and deposited on the dust collecting plate; when de-energized, the material deposited on the dust collection plate can fall under gravity into the dust bin. Dust in the air current is through this device dust removal after, and most dust is adsorbed on the dust collecting plate, makes tunnel air cleaner.
Description
Technical Field
The utility model belongs to the technical field of the technique of tunnel construction ventilation and specifically relates to be applied to the dust removal technique during tunnel operation management, concretely relates to tunnel electrostatic precipitator purifier.
Background
In recent years, a large number of extra-long road tunnels are built and put into operation in succession, and the road tunnels are gradually shifted from a construction peak period to an operation peak period. However, due to the influence of traffic composition and traffic volume, pollutants in the tunnel are continuously accumulated and are relatively difficult to discharge or dilute, so that the dust removal problem becomes an important problem in the operation period, and a problem is brought to the operation management of the tunnel.
The exhaust gas discharged from automobiles contains various harmful components such as carbon monoxide, ash, nitrogen oxides, lead, sulfur dioxide, phosphide and the like, and the main components are carbon black, soot and oil which are produced by incomplete combustion of gasoline and diesel oil, and the carbon black, soot and oil are non-settling in long-term floating and have large pollution diffusion capacity. The tunnel is a closed space, generally only an inlet and an outlet are communicated with the atmosphere and cannot be diffused quickly, the gradual accumulation of dust and harmful gas concentration can generate the stimulation effect on the respiratory tract and even can generate poisoning symptoms of different degrees on the human body, the floating of the dust can cause lung diseases and influence the driving sight, and potential safety hazards are left for the safety of drivers and passengers.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a tunnel electrostatic precipitator purifier.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
an electrostatic dust removal purification device for a tunnel comprises a negative plate, a dust collecting plate, a cathode needle, an insulating plate and a dust collecting box;
the negative plate and the dust collecting plate are oppositely arranged, the upper parts of the negative plate and the dust collecting plate are covered with an insulating plate, and the bottom of the negative plate and the dust collecting plate is provided with a dust collecting box; the opposite surfaces of the negative plate and the dust collecting plate are honeycomb-shaped, and the distance between the negative plate and the dust collecting plate is 15-25 cm; cathode needles are arranged on the honeycomb surface of the negative plate, and gaps are reserved between the cathode needles and the honeycomb surface of the dust collecting plate;
when the negative plate is electrified, air entering between the negative plate and the dust collecting plate can be ionized, dust particles and ions are charged with negative electricity, and can be discharged and deposited on the dust collecting plate; when de-energized, the material deposited on the dust collection plate can fall under gravity into the dust bin.
Furthermore, the dust collecting plate consists of an insulating layer and a positive plate, and the insulating layer is arranged on the outer surface of the positive plate.
Further, the device also comprises a fan and an insulating barrier; the air inlets of the negative plate and the dust collecting plate are horn-shaped, the air inlets are provided with fans for drainage, and the air inlets and the air outlets are respectively provided with an insulating barrier.
Further, the dust collector also comprises a dust collecting brush and a timing device; the dust collecting brush is arranged on the dust collecting plate and is started by the timing device at regular time, and is used for brushing the substances deposited on the dust collecting plate into the dust collecting box.
Furthermore, the dust collecting brush is arranged on a driven gear, the driven gear is meshed with a driving gear, and the driving gear is connected with an output shaft of the motor; when the timing device sends a starting signal, the switch is used for starting the motor, and the rotation of the driving gear can drive the driven gear to drive the dust collection brush to rotate on the dust collection plate.
Further, still include purifier, purifier establishes behind the fan at air inlet department for filtered air.
Furthermore, the device also comprises a single variable voltage regulation and control device for regulating voltage according to the dust concentration in the tunnel.
Compared with the prior art, the utility model discloses following beneficial effect has:
the electrostatic dust collector comprises the positive plate and the negative plate, the positive plate can adsorb charged dust particles, and the electrostatic dust collector has the advantages of simple structure, convenient installation and large application area, and is very suitable for dust collection of the ultra-long tunnel; the electrostatic dust collector can rapidly improve the efficiency of the electrostatic dust collector by increasing the whole area of the positive plate and the negative plate or increasing the voltage; the number of cathode needles on the negative plate of the electrostatic dust collector is increased or reduced, so that the adsorption area of the plate type electrostatic dust collector is increased or reduced by times; dust in the air removes dust with the back through this device, and most dust is adsorbed on the dust collecting plate, and purifier is used for adsorbing harmful gas, makes the tunnel air cleaner. The electrostatic dust collector needs fewer parts to be assembled, only the positive plate and the negative plate are fixed after being aligned, the assembling process is greatly simplified, the assembling cost is not much different from that of the plate-type electrostatic dust collector, and the assembling cost is far lower than that of the traditional electrostatic dust collector.
Drawings
FIG. 1 is a schematic diagram of the electrostatic dust-removing and purifying device for tunnel according to the present invention;
FIG. 2 is a schematic layout view of the electrostatic dust-removing and purifying device for tunnel according to the present invention;
FIG. 3 is a front view of the electrostatic dust-removing and purifying device for tunnel according to the present invention;
FIG. 4 is a left side view of the structure of the electrostatic dust collection and purification device for tunnel according to the present invention;
fig. 5 is a schematic view of a dust collecting brush structure in the electrostatic dust removal purification device for tunnel according to the present invention.
Wherein: 1-a fan; 2-a dust collecting brush; 3-an insulated barrier; 4-dust collection box; 5-cathode needle; 6-negative plate; 7-a dust collecting plate; 701-an insulating layer; 702-a positive plate; 8-a dust removal device; 9-a tunnel; 10-single variable voltage regulation device; 11-a timing device; 12-a purification device; 13-a motor; 14-a driven gear; 15-a switch; 16-insulating plate.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, fig. 1 is a schematic diagram of an electrostatic dust removal purification device for a tunnel according to the present invention; when the dust-containing gas is electrically separated through a high-voltage electrostatic field, dust particles and negative ions are combined to be charged negatively and then tend to discharge on the surface of the anode to be deposited. In the metallurgical, chemical and other industries to purify gases or recover useful dust particles. A dust collecting method in which gas is ionized by an electrostatic field to thereby electrically adsorb dust particles to an electrode. In a strong electric field, air molecules are ionized into positive ions and electrons, and the electrons encounter dust particles in the process of running to the positive electrode, so that the dust particles are negatively charged and adsorbed to the positive electrode to be collected. The common purifier filters dust in air by using filter paper, so that filter holes are easy to block, the more dust is accumulated, the sterilization effect is not only avoided, and secondary pollution is easy to cause. The electrostatic dust collection technology has the following advantages: (1) the dust removal efficiency is high; (2) larger gas amount can be purified; (3) the particle size range of the removable particles is wide; (4) the dust-containing flue gas with higher temperature can be purified; (5) the structure is simple, the air flow speed is low, and the pressure loss is small; (6) the energy consumption is lower than that of other types of dust collectors; (7) the electric dust collector can realize microcomputer control and remote operation.
Referring to fig. 2, fig. 2 is a schematic layout view of an electrostatic dust removal purification device for a tunnel according to the present invention; the electrostatic dust removal purification device 8 is arranged on two side walls of the tunnel 9, and after the automobile passes through the tunnel, the electrostatic dust removal purification device 8 can remove harmful gas in automobile exhaust; the electrostatic dust removal purification device 8 is arranged inside the tunnel 9, each block is 3m long and 1.5m wide, and is arranged at two sides of the side wall of the tunnel 9 in a staggered mode at a distance of 1-1.5m from the road surface of the tunnel 9.
Referring to fig. 3 and 4, fig. 3 and 4 are a front view and a left view of a structure of the electrostatic dust removal purification device for a tunnel according to the present invention, respectively; the tunnel electrostatic dust removal purification device comprises a fan 1, a dust collection brush 2, an insulating barrier 3, a dust collection box 4, a cathode needle 5, a negative plate 6, a dust collection plate 7, a single voltage regulation and control device 10, a timing device 11 and a purification device 12; the negative plate 6 and the dust collecting plate 7 are oppositely arranged, and the distance between the negative plate and the dust collecting plate is 15-25cm, especially 15cm, 20cm or 25 cm; one end of the two is an air inlet, the other end is an air outlet, the upper parts of the two are covered with an insulating plate 16, and the bottom of the two is suspended with a dust collection box 4; the insulating barrier 3 is arranged at the air inlet and the air outlet between the dust collecting plate 7 and the negative plate 6, the interval is fixed, and people are prevented from touching and getting electric shock by mistake.
The air inlet is made into a bell mouth shape, and two drainage fans 1 are arranged on the upper part of the air inlet; the insulating barrier 3 is arranged at the air outlet to collect dust adsorbed on the dust collecting plate 7, and the cathode pins 5 are uniformly arranged on the negative plate 6 and compactly arranged, so that the electric shock probability of the dust between plates when passing through is increased, and the dust removal is more efficient; the dust collecting plate 7 includes a positive plate 702 and an insulating layer 701 laid thereon, wherein the insulating layer 701 is a polyester fiber insulating material with a thickness of 2cm, and the surface thereof is in a honeycomb shape to absorb dust inside the tunnel and also has an effect of absorbing noise.
The negative plate 6 is made of special composite conductive plastic integrally, the plate is made into a honeycomb shape, a cathode needle 5 is arranged in the middle of each grid, voltage between the two plates is enhanced, the dust collecting plate 7 is made of special composite conductive plastic integrally and is arranged corresponding to the negative plate 6, the two plates are spaced by 20cm and are connected by the insulating barrier 3 of the air inlet and the air outlet.
The positive plate 702 and the negative plate 6 are both made of conductive materials through an integral forming method, the conductive materials can be metal or special composite conductive plastics, the integral forming method of the metal materials can be casting, the integral forming method of the special composite conductive plastics can be injection molding, the conductive plastics have lower cost than the metal materials, the weight is light, the used materials are few, the injection molding cost is low, the conductive plastics have great cost advantage, the forming precision of parts is high, the material of the negative plate is preferably conductive plastics, and the injection molding process can form a columnar negative electrode which is small in diameter size but long in length, which is incomparable with the metal materials.
The single variable voltage regulation and control device 10 can regulate voltage according to the dust concentration in the tunnel, so that the dust removal effect is optimal.
The dust collecting brush 2 is arranged on the dust collecting plate 7, the timing device 11 is used for periodically starting the dust collecting brush 2 to clean the dust on the integration plate 7, so that the dust falls into the dust collecting box 4, the dust on the dust collecting plate 7 is collected, and the collected dust is prevented from being scattered again into the air due to the driving of the automobile.
Referring to fig. 5, fig. 5 is a schematic view of a dust collecting brush in the electrostatic dust collection and purification device for tunnel according to the present invention; the dust collecting brush 2 is arranged on a driven gear 14, the driven gear 14 is meshed with a driving gear, and the driving gear is connected with an output shaft of a motor 13; when the timer 11 sends an activation signal, the switch 15 activates the motor 13, and the rotation of the driving gear drives the driven gear 14 to rotate, thereby driving the dust collection brush 2 to rotate on the dust collection plate 7.
The purifying device 12 is arranged behind the fan at the air inlet, and is internally provided with filtering substances such as active carbon and the like to absorb harmful gas filled between the plates.
The utility model provides a pair of tunnel electrostatic precipitator purifier sets up a plurality of negative pole needles on the negative plate, because negative plate and positive plate simple structure, the part cost is lower, and absorbent dust is cleared up, is collected easily. The electrostatic dust collector needs fewer parts to be assembled, only the positive plate and the negative plate need to be fixed after being aligned, the assembling process is greatly simplified, the assembling cost is not much different from that of the plate-type electrostatic dust collector, and the assembling cost is far lower than that of the traditional electrostatic dust collector.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872268.2U CN210252689U (en) | 2019-06-11 | 2019-06-11 | A tunnel electrostatic dust removal and purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920872268.2U CN210252689U (en) | 2019-06-11 | 2019-06-11 | A tunnel electrostatic dust removal and purification device |
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| Publication Number | Publication Date |
|---|---|
| CN210252689U true CN210252689U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920872268.2U Expired - Fee Related CN210252689U (en) | 2019-06-11 | 2019-06-11 | A tunnel electrostatic dust removal and purification device |
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| Country | Link |
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| CN (1) | CN210252689U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115120142A (en) * | 2022-07-08 | 2022-09-30 | 广西职业技术学院 | Industrial cleaning robot |
-
2019
- 2019-06-11 CN CN201920872268.2U patent/CN210252689U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115120142A (en) * | 2022-07-08 | 2022-09-30 | 广西职业技术学院 | Industrial cleaning robot |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210611 |
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| CF01 | Termination of patent right due to non-payment of annual fee |