CN211587059U - Gas purification system and gas purification device capable of synchronously purifying and cleaning - Google Patents

Abstract

The utility model relates to a can purify in step and abluent gaseous clean system and gaseous purifier, gaseous purifier includes at least one anode tube, each anode tube all has the passageway, the passageway lower extreme has the air inlet that supplies to treat that purified gas gets into, the passageway upper end has the gas outlet that supplies the gas outgoing after purifying, wear to be equipped with in the passageway with the anode tube cooperation in order to form the negative pole conductor of electric field, each anode tube is the hollow cylinder structure, the inner chamber of hollow cylinder structure forms above-mentioned passageway, be equipped with the annular groove on the inside pipe wall of each anode tube upper end, be equipped with the washing liquid branch pipe in the messenger's washing liquid that rather than last annular groove intercommunication gets into the annular groove along the tangential on the upper end pipe wall of each anode tube. The cleaning liquid in the cleaning liquid branch pipe enters the annular groove at a certain speed in a tangential direction, and flows downwards along the inner wall of the anode tube under the combined action of tangential force and gravity to form a layer of liquid film flowing downwards so as to take away substances such as tar, grease, dust and the like collected to the inner wall of the anode tube.

Description

Gas purification system and gas purification device capable of synchronously purifying and cleaning

Technical Field

The utility model relates to a high-tension power plant's separator technical field, concretely relates to can purify gas and carry out abluent gaseous clean system and gaseous purifier to purifying back impurity in step.

Background

Smoking is a method widely applied in traditional food processing and preservation. However, during the smoking process, meat produces a large amount of smoke which is high in temperature and humidity and rich in grease. For the dust-containing flue gas which is difficult to treat, such as bag-type dust removal, biological purification and the like, technicians generally adopt a high-voltage electric field separation device for purification. When adopting high-voltage power plant separator to purify, generally can adopt the anode tube, the anode tube has the passageway that supplies to treat that purified gas passes through, wears to be equipped with in the passageway with the cooperation of anode tube in order to form the corona wire of electric field as the negative pole conductor, when the gas that contains tar, dust passes through by the anode tube in, particle such as tar, dust can be adsorbed on the inner wall of anode tube to the completion is to the purification of gas.

However, the above-mentioned problems often encountered when purifying exhaust gas by using high-voltage electric field technology include: substances such as grease and tar in the gas are difficult to clean after the electrode plates are accumulated for a long time, and the conductivity of the electric field is influenced. Some cleaning methods also exist in the prior art, but the existing cleaning method needs to pause the purification device when the anode tube is cleaned, so that the cleaning process is longer. In the prior art, the outer wall of the anode tube is mostly heated by a heat transfer method when the anode tube is cleaned, so that particles such as tar, dust and the like adsorbed on the inner wall of the anode tube are softened and fall off, and the cleaning effect is not good; the utilization rate of the cleaning liquid is low, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gas purification device capable of synchronously purifying and cleaning, which solves the problems that the cleaning in the prior art takes long time due to the suspension of the cleaning and the poor cleaning effect caused by the heat transfer cleaning method; and simultaneously, the utility model discloses an aim at still provides an use above-mentioned gas purification device's gas purification system.

In order to achieve the above object, the utility model discloses a can purify and abluent gaseous purifier in step adopts following technical scheme: the utility model provides a can purify and abluent gaseous purifier in step, including at least one positive pole pipe, each positive pole pipe all has the passageway that supplies to treat that the gas that purifies passes through, the passageway lower extreme has the air inlet that supplies to treat that the gas gets into, the passageway upper end has the gas outlet that supplies to purify the gas outgoing, wear to be equipped with in the passageway with the negative pole conductor of positive pole pipe cooperation in order to form the electric field, each the positive pole pipe is hollow cylinder structure, the inner chamber of hollow cylinder structure forms above-mentioned passageway, be provided with the annular groove on the inside pipe wall of each positive pole pipe upper end, be provided with the washing liquid branch pipe in the messenger's washing liquid that feeds through with the annular groove above that gets into the annular groove along.

Each anode tube upper end gas outlet all is provided with the splash guard, and each splash guard all has the vertical body part that supplies the negative pole conductor to pass and radially outwards bends and the shutoff part of being connected with the anode tube upper end, and vertical body part downwardly extending crosses annular groove.

And each air inlet at the lower end of the anode pipe is provided with an annular collecting groove, a central hole of the annular collecting groove is used for the corresponding cathode conductor to pass through, and the wall of each collecting groove is provided with a liquid discharge pipe which is communicated with the collecting groove and extends downwards to cross the lower end of the cathode conductor.

Each collecting groove is obliquely arranged to form a bell-mouth structure at the lower end of the corresponding anode pipe.

The utility model discloses a can purify in step and abluent gaseous clean system adopts following technical scheme: a gas purification system capable of synchronously purifying and cleaning comprises a gas purification device and a cleaning liquid supply device, wherein the gas purification device comprises at least one anode tube, each anode tube is provided with a channel for the gas to be purified to pass through, the lower end of the channel is provided with a gas inlet for the gas to be purified to enter, the upper end of the channel is provided with a gas outlet for the purified gas to discharge, a cathode conductor which is matched with the anode tube to form an electric field is arranged in the channel in a penetrating way, each anode tube is of a hollow cylindrical structure, the inner cavity of the hollow cylindrical structure forms the channel, the inner wall of the upper end of each anode tube is provided with an annular groove, the upper end tube wall of each anode tube is provided with a cleaning liquid branch tube which is communicated with the annular groove on the upper end tube wall and enables the cleaning liquid to enter the annular groove along the tangential direction, the fluid pipeline is communicated with each cleaning liquid branch pipe.

Each anode tube upper end gas outlet all is provided with the splash guard, and each splash guard all has the vertical body part that supplies the negative pole conductor to pass and radially outwards bends and the shutoff part of being connected with the anode tube upper end, and vertical body part downwardly extending crosses annular groove.

And each air inlet at the lower end of the anode pipe is provided with an annular collecting groove, a central hole of the annular collecting groove is used for the corresponding cathode conductor to pass through, and the wall of each collecting groove is provided with a liquid discharge pipe which is communicated with the collecting groove and extends downwards to cross the lower end of the cathode conductor.

Each collecting groove is obliquely arranged to form a bell-mouth structure at the lower end of the corresponding anode pipe.

The cleaning solution box body is provided with a liquid inlet for liquid in each liquid discharge pipe to enter, a liquid outlet is further arranged on the cleaning solution box body, a fluid pipeline is connected to the liquid outlet, at least one partition plate is arranged between the liquid inlet and the liquid outlet in the cleaning solution box body to divide the cleaning solution box body into more than two cavities, a lower end of each partition plate and the bottom wall of the cleaning solution box body are arranged at intervals to form a cleaning solution channel, an oil discharge valve is arranged on the cavity wall of the cavity provided with the liquid inlet, a cleaning port is arranged on the top wall of the cleaning solution box body, and a lifting pump is arranged in the cavity provided with the liquid outlet to send the cleaned cleaning solution.

And the top wall of the cleaning liquid box body is provided with a ventilation opening, and the lower part of the side wall of the cleaning liquid box body is provided with a water drainage opening.

The utility model has the advantages that: cleaning liquid enters the cleaning liquid branch pipe, the cleaning liquid in the cleaning liquid branch pipe enters the annular groove tangentially at a certain speed, and flows downwards along the inner wall of the anode pipe under the combined action of tangential force and gravity to form a layer of liquid film flowing downwards, gas to be purified enters from the air inlet at the lower end of the anode pipe and upwards passes through the inner cavity of the anode pipe, and substances such as tar, grease, dust and the like are collected towards the inner wall of the anode pipe under the action of electric field force, so that the flowing cleaning liquid film is taken away to realize the synchronization of gas situational cleaning and impurity cleaning, and the problems that in the prior art, cleaning needs to be suspended to cause long cleaning time and the cleaning effect is poor due to the heat transfer cleaning method are solved.

Drawings

FIG. 1 is a schematic diagram of a gas purification system of the present invention that is capable of simultaneous purification and cleaning;

FIG. 2 is a schematic diagram of the fluid circuit of FIG. 1;

FIG. 3 is a schematic view of the fluid flow direction as the cleaning solution enters the anode tube;

FIG. 4 is a schematic structural view of the upper end of the anode of FIG. 1;

FIG. 5 is a schematic view of the structure of the lower end of the anode tube;

fig. 6 is a view along B-B in fig. 1.

Detailed Description

The utility model discloses an embodiment of a can purify and abluent gas purification system in step, as shown in FIG. 1, including gas purification device and washing liquid feeding mechanism, gas purification device includes at least one anode tube 9, and the quantity of anode tube 9 is two rows total 6 in this embodiment. Each anode tube 9 is provided with a channel for the gas to be purified to pass through, the lower end of the channel is provided with a gas inlet for the gas to be purified to enter, and the upper end of the channel is provided with a gas outlet for the purified gas to be discharged. The cathode conductor which is matched with the anode tube to form an electric field is arranged in the channel in a penetrating mode, in the embodiment, the cathode conductor adopts a corona wire 8, and the corona wire 8 is provided with barbs 10. Each anode tube 9 is a hollow cylindrical structure, the inner cavity of the hollow cylindrical structure forms the above-mentioned channel, the inner wall of the tube at the upper end of each anode tube 9 is provided with an annular groove 29, and the tube wall at the upper end of each anode tube is provided with a cleaning solution branch tube 28 which is communicated with the annular groove thereon and enables cleaning solution to enter the annular groove tangentially, as shown in fig. 2 and 3.

Each anode tube 9 is provided at its upper end with a splash guard 30, as shown in fig. 4, each splash guard has a vertical tube portion 33 through which a cathode conductor passes and a blocking portion 34 bent radially outward to connect with the upper end of the anode tube, and the vertical tube portion 33 extends downward beyond the annular groove 29. The splash guard 30 is made of an insulating material to prevent cleaning liquid from splashing on the corona wire to cause partial discharge, and no bur is arranged on the portion of the corona wire near the annular groove. An annular collecting groove 31 is formed at the air inlet at the lower end of each anode tube, as shown in fig. 5, a central hole of the annular collecting groove 31 is used for a corresponding cathode conductor to pass through, and a liquid discharge tube 32 which is communicated with the collecting groove and extends downwards to cross the lower end of the cathode conductor is formed on the wall of each collecting groove. Each collecting groove is obliquely arranged to form a bell-mouth structure at the lower end of the corresponding anode tube. The cleaning liquid is prevented from directly dropping on the fixed plate and splashing to influence electric field discharge, and burrs are not arranged on the part of the corona wire at the position.

The utility model discloses well gas purification device still includes barrel 2, is located the lower air chamber box 1 of barrel 2 lower extreme and is located the last air chamber box 3 of barrel upper end, and sealing connection between lower air chamber box and the barrel goes up also sealing connection between air chamber box and the barrel. Sealing structures are arranged among the anode tubes and between the anode tubes and the cylinder body, so that the gas to be purified can only enter the anode tubes and cannot enter gaps among the anode tubes and the cylinder body. The anode tube 9 is arranged in the cylinder 1, a gas inlet 5 for the gas to be purified to enter is arranged on the lower air chamber box body, and a cleaning liquid outlet 19 is also arranged on the lower air chamber box body. The upper chamber box is provided with a purified gas outlet 18 for discharging purified gas. The lower air chamber box body is internally provided with an air distribution plate 6, and air enters different anode tubes through the guidance of the air distribution plate. The gas distribution plate 6 can control the distribution of gas in the electric field, so that the electric field is prevented from shaking due to the impact of high-speed gas flow, the fluctuation of voltage in the electric field is avoided, and the purification efficiency of the gas in the electric field is improved. The fixing plates 7 are arranged at the lower ends of the cathode conductors in the cylinder body and used for fixing corona wires in an electric field, and the fixing plates 7 are of hollow structures.

The radial dimension of the upper air chamber box body is larger than that of the barrel, and in order to ensure the stable support of the barrel on the upper air chamber box body, the inclined strut 11 used for supporting the upper air chamber box body is arranged on the outer peripheral surface of the barrel. The upper air chamber box body comprises two parts, namely a square part connected with the cylinder body and a conical part arranged on the square part, the square part is provided with a chamber communicated with each anode tube, and a purified gas outlet is arranged at the top end of the conical part. The square portion is provided with a support frame in the cavity, which comprises girders 14 arranged in a horizontal manner and cathode china bottles 16 supporting the girders, as shown in fig. 6. An electric heater 15 is arranged near the cathode porcelain bottle, and the electric heater 15 can increase the temperature of the cathode porcelain bottle 16 after being electrified, so as to prevent water vapor from condensing on the cathode porcelain bottle and reduce the insulativity. The crossbeam arranged longitudinally is supported and provided with small beams 17 extending along the transverse direction, and the small beams 17 are hung with corona wires 8 serving as cathode conductors and are inserted into each anode tube 9 in a one-to-one correspondence mode.

The cleaning liquid supply device comprises a cleaning liquid tank 4 and a fluid pipeline 12 communicated with the cleaning liquid tank, a cleaning liquid valve 13 is arranged on the fluid pipeline 12, the fluid pipeline 12 is communicated with each cleaning liquid branch pipe 28, and a cleaning liquid discharge port 19 is communicated with the cleaning liquid tank 4 through a connecting pipe. The cleaning liquid tank 4 has a liquid inlet for liquid in each drain pipe to enter, and is further provided with a liquid outlet 24, and the fluid pipeline 12 is connected to the liquid outlet 24. At least one partition plate 23 is arranged between the liquid inlet and the liquid outlet in the cleaning liquid tank body to divide the cleaning liquid tank body into more than two cavities, and the number of the partition plates 23 is 2 in the embodiment. The lower end of each partition plate 23 and the bottom wall of the cleaning liquid box body are arranged at intervals to form a cleaning liquid channel, an oil drain valve 21 is arranged on the wall of the cavity provided with the liquid inlet, a cleaning port 20 is arranged on the top wall of the cleaning liquid box body, and a lift pump 26 is arranged in the cavity provided with the liquid outlet to send the cleaned cleaning liquid into a fluid pipeline at the liquid outlet. The top wall of the cleaning liquid tank body is provided with a ventilation opening 22, and the lower part of the side wall of the cleaning liquid tank body is provided with a water drainage opening 25.

When the cleaning solution cleaning device is used, cleaning solution enters the cleaning solution branch pipe, the cleaning solution in the cleaning solution branch pipe enters the annular groove at a certain speed in a tangential direction, and flows downwards along the inner wall of the anode tube under the combined action of tangential force and gravity to form a layer of liquid film flowing downwards, gas to be purified enters from the air inlet at the lower end of the anode tube and upwards passes through the inner cavity of the anode tube, and substances such as tar, grease and dust are collected towards the inner wall of the anode tube under the action of electric field force, so that the flowing cleaning solution liquid film is taken away to realize the synchronization of gas scene cleaning and impurity cleaning, and the problems that in the prior art, cleaning needs to be suspended to cause long cleaning time and the cleaning effect is poor due to the heat transfer cleaning method are solved. The cleaning liquid flows out of the cleaning liquid discharging port of the lower air chamber box and enters the cleaning liquid box body, after a certain retention time, substances such as floating slag and the like on the cleaning port can be removed, the upper-layer substances such as tar, grease and the like can be discharged through the oil discharging valve, and the cleaning liquid can be recycled. The conductivity of the cleaning liquid may be weakened due to the recycling of the cleaning liquid, so that part of electrolytes, such as sodium chloride, sodium sulfate and the like, can be added into the temporary storage cavity of the circulating device; electrolyte can be added at the position of the cleaning solution valve to enhance the conductivity of the cleaning solution.

The beneficial effects of the utility model reside in that through the liquid film that forms the one deck at the anode tube inner wall and flow, adsorb the dirt particle on the anode tube when taking away the system operation, solve when traditional electrostatic method purifies the smoke and dust, the difficult clearance of grease of accumulational on the anode tube pipe wall, clearance pipe wall need stop work, the gas purification effect that the clearance degree of difficulty arouses is poor, the cleaning solution utilization ratio low scheduling problem.

In other embodiments of the present invention, the cathode conductor is not limited to corona wires, and may also adopt conductive rod and tube structures; the number of the anode tubes can be adjusted according to actual needs, and can also be 1.

The utility model discloses a can purify in step and abluent gaseous purifier's embodiment is the same with the gaseous purifier's of above-mentioned one kind can purify in step and abluent gaseous purification system's each embodiment structure, and it is no longer repeated here.

Claims (10)

1. The utility model provides a can purify in step and abluent gaseous purifier, includes at least one anode tube, each anode tube all has the passageway that supplies to treat that the gas that purifies passes through, and the passageway lower extreme has the air inlet that supplies to treat that the gas gets into, and the passageway upper end has the gas outlet that supplies to purify the gas outgoing, wears to be equipped with in the passageway with the anode tube cooperation with the negative pole conductor that forms the electric field, its characterized in that: each anode tube is of a hollow cylindrical structure, the inner cavity of the hollow cylindrical structure forms the channel, an annular groove is formed in the inner wall of the tube at the upper end of each anode tube, and a cleaning solution branch tube which is communicated with the annular groove and enables cleaning solution to enter the annular groove tangentially is arranged on the tube wall at the upper end of each anode tube.

2. The gas cleaning apparatus capable of simultaneous cleaning and purging according to claim 1, characterized in that: each anode tube upper end gas outlet all is provided with the splash guard, and each splash guard all has the vertical body part that supplies the negative pole conductor to pass and radially outwards bends and the shutoff part of being connected with the anode tube upper end, and vertical body part downwardly extending crosses annular groove.

3. Gas cleaning device capable of simultaneous cleaning and rinsing according to claim 1 or 2, characterized in that: and each air inlet at the lower end of the anode pipe is provided with an annular collecting groove, a central hole of the annular collecting groove is used for the corresponding cathode conductor to pass through, and the wall of each collecting groove is provided with a liquid discharge pipe which is communicated with the collecting groove and extends downwards to cross the lower end of the cathode conductor.

4. A gas cleaning device capable of simultaneous cleaning and rinsing according to claim 3, characterized in that: each collecting groove is obliquely arranged to form a bell-mouth structure at the lower end of the corresponding anode pipe.

5. The utility model provides a can purify and abluent gaseous clean system in step, includes gaseous purifier and washing liquid feeding mechanism, and gaseous purifier includes at least one anode tube, and each anode tube all has the passageway that supplies to treat that purified gas passes through, and the passageway lower extreme has the air inlet that supplies to treat that purified gas gets into, and the passageway upper end has the gas outlet that supplies to purify the gas outgoing, wears to be equipped with in the passageway with the cathode conductor of anode tube cooperation in order to form the electric field, its characterized in that: each anode tube is of a hollow cylindrical structure, the inner cavity of the hollow cylindrical structure forms the channel, an annular groove is formed in the inner wall of the tube at the upper end of each anode tube, a cleaning solution branch tube which is communicated with the annular groove and enables cleaning solution to enter the annular groove tangentially is arranged on the tube wall at the upper end of each anode tube, the cleaning solution supply device comprises a cleaning solution box body and a fluid pipeline communicated with the cleaning solution box body, and the fluid pipeline is communicated with each cleaning solution branch tube.

6. The gas purification system capable of simultaneous purification and purging according to claim 5, wherein: each anode tube upper end gas outlet all is provided with the splash guard, and each splash guard all has the vertical body part that supplies the negative pole conductor to pass and radially outwards bends and the shutoff part of being connected with the anode tube upper end, and vertical body part downwardly extending crosses annular groove.

7. The gas purification system capable of simultaneous purification and purging according to claim 5 or 6, wherein: and each air inlet at the lower end of the anode pipe is provided with an annular collecting groove, a central hole of the annular collecting groove is used for the corresponding cathode conductor to pass through, and the wall of each collecting groove is provided with a liquid discharge pipe which is communicated with the collecting groove and extends downwards to cross the lower end of the cathode conductor.

8. The gas purification system capable of simultaneous purification and purging according to claim 7, wherein: each collecting groove is obliquely arranged to form a bell-mouth structure at the lower end of the corresponding anode pipe.

9. The gas purification system capable of simultaneous purification and purging according to claim 7, wherein: the cleaning solution box body is provided with a liquid inlet for liquid in each liquid discharge pipe to enter, a liquid outlet is further arranged on the cleaning solution box body, a fluid pipeline is connected to the liquid outlet, at least one partition plate is arranged between the liquid inlet and the liquid outlet in the cleaning solution box body to divide the cleaning solution box body into more than two cavities, a lower end of each partition plate and the bottom wall of the cleaning solution box body are arranged at intervals to form a cleaning solution channel, an oil discharge valve is arranged on the cavity wall of the cavity provided with the liquid inlet, a cleaning port is arranged on the top wall of the cleaning solution box body, and a lifting pump is arranged in the cavity provided with the liquid outlet to send the cleaned cleaning solution.

10. The gas purification system capable of simultaneous purification and purging according to claim 9, wherein: and the top wall of the cleaning liquid box body is provided with a ventilation opening, and the lower part of the side wall of the cleaning liquid box body is provided with a water drainage opening.

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