CN210874616U - Flexible production line for mixed treatment of various waste gases - Google Patents
Flexible production line for mixed treatment of various waste gases Download PDFInfo
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- CN210874616U CN210874616U CN201921017016.8U CN201921017016U CN210874616U CN 210874616 U CN210874616 U CN 210874616U CN 201921017016 U CN201921017016 U CN 201921017016U CN 210874616 U CN210874616 U CN 210874616U
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Abstract
A flexible production line for mixed treatment of various waste gases comprises a cooling spray tower, a vertical pipe type wet electric dust remover, an acid-base neutralization tower, a vertical pipe type wet electric demister, a negative pressure fan and an exhaust funnel which are sequentially connected through a flue gas pipeline; cooling spray column, riser formula wet-type electrostatic precipitator, acid-base neutralization tower, riser formula wet-type electric demister's inside is equipped with a plurality of high pressure nozzle respectively, the inside of acid-base neutralization tower still is equipped with the abluent packing layer of confession high pressure nozzle, the cooling spray column, riser formula wet-type electrostatic precipitator, acid-base neutralization tower, riser formula wet-type electric demister's bottom has a circulation tank through return water pipe connection respectively, every circulation tank is connected with a plurality of high pressure nozzle that correspond through a spray line that is equipped with the spray pump, be equipped with quenching and tempering liquid in the circulation tank that cooling spray column bottom is connected, be equipped with the neutralizer in the circulation tank that acid-base neutralization tower bottom is connected. This flexible production line can be up to standard with multiple type, the disposable processing of many medium mixture's waste gas in the flue gas.
Description
Technical Field
The utility model relates to an exhaust-gas treatment, in particular to multiple waste gas mixed treatment flexible production line.
Background
According to the air pollution prevention method of the people's republic of China, the pollution of the waste gas pollutants to the atmosphere is required to be controlled, the living environment of residents is protected and improved, and the human health is guaranteed, so the waste gas pollutants of the residents need to be treated and reach the relevant national emission standard to be discharged into the surrounding atmosphere.
The waste gas treatment in the environmental protection industry is mainly carried out by treating a single medium, and one device is used for treating one type of waste gas. With the progress of industrial technology, the emission of industrial waste gas is in a trend of multiple media and multiple types, and the prior single waste gas treatment mode is not suitable for the current situation, such as the emission of flue gas of a coal-fired boiler of a power plant, dust in the flue gas, sulfides and other organic and inorganic compounds. The mixed waste gas can not be treated by only depending on one device of the electric dust collector, so that a flexible production line which can meet the multi-medium waste gas treatment requirements of the same working condition or different working conditions is needed.
SUMMERY OF THE UTILITY MODEL
The utility model is directed to the above problem, a multiple waste gas hybrid processing flexible production line is provided.
The purpose of the utility model can be realized by the following technical scheme: a flexible production line for mixed treatment of various waste gases comprises a cooling spray tower, a vertical pipe type wet electric dust remover, an acid-base neutralization tower, a vertical pipe type wet electric demister, a negative pressure fan and an exhaust funnel which are sequentially connected through a flue gas pipeline; the inside of cooling spray tower, riser formula wet-type electrostatic precipitator, acid-base neutralization tower, riser formula wet-type electric demister is equipped with a plurality of high pressure nozzle respectively, and the inside of acid-base neutralization tower still is equipped with and supplies the abluent packing layer of high pressure nozzle, and the bottom of cooling spray tower, riser formula wet-type electrostatic precipitator, acid-base neutralization tower, riser formula wet-type electric demister is connected with a circulation tank through the return water pipe respectively, and every circulation tank is connected with a plurality of high pressure nozzle that correspond through a spray line that is equipped with the spray pump, be equipped with quenching and tempering liquid in the circulation tank that cooling spray tower bottom is connected, be equipped with the neutralizer in the circulation tank that acid-base neutralization tower bottom is connected.
Further, be equipped with electronic fire relief door, control by temperature change probe and urgent cooling spray nozzle on the flue gas pipeline of the flue gas access connection of cooling spray tower lower part, urgent cooling spray nozzle has urgent cooling spray pump through the pipe connection.
Furthermore, a plurality of high-pressure nozzles in the cooling spray tower are arranged in the middle of the cooling spray tower and are arranged into an upper row and a lower row, and the upper row and the lower row of high-pressure nozzles are arranged oppositely.
Furthermore, a plurality of high-pressure nozzles in the acid-base neutralization tower are arranged in the middle of the acid-base neutralization tower and are arranged in at least two rows up and down, and at least one packing layer is arranged below each row of high-pressure nozzles.
Furthermore, the number of the negative pressure fans is two, and one negative pressure fan is used and the other negative pressure fan is standby.
Further, the negative pressure fan adopts a glass fiber reinforced plastic negative pressure fan.
Furthermore, the inner wall of the exhaust funnel is provided with a water retaining groove.
Furthermore, the exhaust funnel is made of glass fiber reinforced plastic.
Furthermore, all the sewage outlets of the circulating water tanks are respectively connected to a sewage drainage main pipe through sewage drainage pipes, and a sewage drainage pump is arranged on the sewage drainage main pipe.
Furthermore, a pressure gauge with a pressure sensor, a thermometer and a flow rate meter are arranged in front of the flexible production line; the flexible production line is provided with a pressure gauge, a thermometer and a smoke substance concentration meter with a pressure sensor at the rear.
Compared with the prior art, the beneficial effects of the utility model are that: the cooling spray tower adopts spray tempering liquid to temper and cool the flue gas, the vertical pipe type wet electric dust remover adopts static electricity to remove dust from the flue gas, the acid-base neutralization tower adopts a carbon filler layer and spray oxidant to wash the flue gas for neutralization and oxidation treatment, the vertical pipe type wet electric dust remover removes dust from the flue gas by positive and negative ion adsorption, and the negative pressure fan adopts one-use-one-standby mode and automatically switches and operates on line. This flexible production line can be up to standard with multiple type, the disposable processing of many medium mixture's waste gas in the flue gas.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
The parts in the figures are numbered as follows:
1 Cooling spray tower
2 vertical tube type wet electric dust remover
3 acid-base neutralization tower
4 vertical tube type wet electric demister
5 negative pressure fan
6 exhaust pipe
7 high-pressure nozzle
8 circulation water tank
9 spray pump
10 sewage pump
11 electric fire-retardant door
12 temperature control probe
13 emergency cooling spray nozzle
14 emergency cooling spray pump
15 a filler layer.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Referring to fig. 1, a flexible production line for mixed treatment of various waste gases mainly comprises a cooling spray tower 1, a vertical pipe type wet electric dust remover 2, an acid-base neutralization tower 3, a vertical pipe type wet electric demister 4, a negative pressure fan 5 and an exhaust funnel 6 which are sequentially connected through a flue gas pipeline.
Be equipped with electronic fire relief door 11, control by temperature change probe 12 and urgent cooling spray nozzle 13 on the flue gas pipeline of the flue gas access connection of cooling spray tower 1 lower part, urgent cooling spray nozzle 13 has urgent cooling spray pump 149 through the pipe connection. The electric fire-retardant door 11 and the emergency cooling spray nozzle 13 are facilities for emergency situations.
The high-temperature flue gas mixed with various waste gases firstly enters a cooling spray tower 1 for quenching and tempering and cooling treatment. The high-pressure nozzles 7 in the cooling spray tower 1 are arranged in the middle of the cooling spray tower and are arranged into an upper row and a lower row, the upper row and the lower row of high-pressure nozzles 7 are arranged in a back-to-back manner, and conditioning liquid is added into a circulating water tank 8 connected to the bottom of the cooling spray tower 1 or industrial water can be used as the conditioning liquid. After entering the lower part of the cooling spray tower 1, the high-temperature flue gas flows to the top of the cooling spray tower 1, atomized water drops are sprayed out of the two rows of high-pressure nozzles 7 in the cooling spray tower 1 and are fully contacted with the flue gas, the temperature of the flue gas can be instantly reduced to a process requirement value, and when the temperature of the high-temperature waste gas is reduced to the process requirement, the spraying parameters of the cooling spray tower 1 are locked. If flue gas conditioning liquid is added into the circulating water tank 8 connected to the bottom of the cooling spray tower 1, after the flue gas conditioning liquid is fully absorbed and mixed, the dust removal efficiency of the subsequent vertical pipe type wet electric dust remover 2 can be effectively improved.
And the cooled flue gas enters a vertical tube type wet electric dust remover 2 for dust removal treatment. The vertical tube type wet electric dust collector 2 adopts electrostatic dust collection, can remove more than 99% micron-sized dust, and the dust collection electrode and the discharge electrode of the vertical tube type wet electric dust collector are both in rigid connection, and are made of carbon fibers, resistant to 150-degree high temperature and corrosion resistant. The discharge electrode is made of a needle-bar-shaped structure and titanium alloy, and has high ionic strength. A plurality of high-pressure nozzles 7 in the vertical tube type wet electric dust collector 2 are arranged at the upper part thereof.
And the flue gas after dust removal enters an acid-base neutralization tower 3 for neutralization treatment. The high-pressure nozzles 7 in the acid-base neutralization tower 3 are arranged in the middle of the acid-base neutralization tower and are arranged into an upper row and a lower row, a packing layer 15 is arranged below each row of high-pressure nozzles 7, and a neutralizer is added into a circulating water tank 8 connected with the bottom of the acid-base neutralization tower 3. By adopting a structure of more than two layers of packing layers 15 and spraying water washing, the large surface area of the packing layer 15 can quickly perform acid-base neutralization of flue gas, and the continuous water washing can clean the surface of the packing layer 15. Wherein, the neutralizer is an oxidant, and the filler layer 15 is a carbon filler layer, which can oxidize and absorb organic substances.
The flue gas after neutralization and oxidation adsorption enters a vertical tube type wet electric demister 4 for demisting treatment. The vertical tube type wet electric demister 4 removes water mist in flue gas by means of adsorption of positive and negative ions, has small system assistance and high demisting efficiency, adopts rigid connection for a dust collecting electrode and a discharge electrode, adopts a vertical tube type structure for the dust collecting electrode, is made of carbon fiber, resists high temperature of 150 ℃ and resists corrosion. The discharge electrode is made of a needle-bar-shaped structure and titanium alloy, and has high ionic strength.
The demisted flue gas is led to an exhaust funnel 6 through a negative pressure fan 5 to be discharged. The negative pressure fan 5 is made of glass fiber reinforced plastic, and the glass fiber reinforced plastic has the characteristics of steel and corrosion resistance. The number of the glass fiber reinforced plastic negative pressure fans is two, one is used and the other is standby, and the operation is automatically switched on line. The exhaust funnel 6 adopts a glass fiber reinforced plastic exhaust funnel, the inner wall of the glass fiber reinforced plastic exhaust funnel is provided with a water retaining groove, and the water retaining groove blocks residual water drops in the flue gas.
The flexible production line is provided with a pressure gauge with a pressure sensor, a thermometer, a flow rate meter and the like in the front. The flexible production line is provided with a pressure gauge, a thermometer and a smoke substance concentration meter with a pressure sensor at the rear.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (10)
1. A flexible production line for mixed treatment of various waste gases is characterized by comprising a cooling spray tower, a vertical pipe type wet electric dust remover, an acid-base neutralization tower, a vertical pipe type wet electric demister, a negative pressure fan and an exhaust funnel which are sequentially connected through a flue gas pipeline; the inside of cooling spray tower, riser formula wet-type electrostatic precipitator, acid-base neutralization tower, riser formula wet-type electric demister is equipped with a plurality of high pressure nozzle respectively, and the inside of acid-base neutralization tower still is equipped with and supplies the abluent packing layer of high pressure nozzle, and the bottom of cooling spray tower, riser formula wet-type electrostatic precipitator, acid-base neutralization tower, riser formula wet-type electric demister is connected with a circulation tank through the return water pipe respectively, and every circulation tank is connected with a plurality of high pressure nozzle that correspond through a spray line that is equipped with the spray pump, be equipped with quenching and tempering liquid in the circulation tank that cooling spray tower bottom is connected, be equipped with the neutralizer in the circulation tank that acid-base neutralization tower bottom is connected.
2. The flexible production line for mixed treatment of various waste gases according to claim 1, wherein a flue gas pipeline connected with a flue gas inlet at the lower part of the cooling spray tower is provided with an electric fire-retardant door, a temperature control probe and an emergency cooling spray nozzle, and the emergency cooling spray nozzle is connected with an emergency cooling spray pump through a pipeline.
3. The flexible production line for mixing and treating various waste gases according to claim 1, wherein the high-pressure nozzles in the cooling spray tower are arranged in the middle of the cooling spray tower and are arranged in an upper row and a lower row, and the upper row and the lower row of the high-pressure nozzles are arranged in an opposite manner.
4. The flexible production line for mixing and treating various waste gases according to claim 1, wherein the high-pressure nozzles in the acid-base neutralization tower are arranged in the middle of the high-pressure nozzles and are arranged in at least two rows up and down, and at least one packing layer is arranged below each row of high-pressure nozzles.
5. The flexible production line for mixing and processing various waste gases as claimed in claim 1, wherein the number of the negative pressure fans is two, one for one.
6. The flexible production line for mixing and processing various waste gases according to claim 1, characterized in that the negative pressure fan is made of glass fiber reinforced plastic.
7. The flexible production line for mixing and treating various waste gases as claimed in claim 1, wherein the inner wall of the exhaust funnel is provided with a water retaining groove.
8. The flexible production line for mixing and treating various exhaust gases as claimed in claim 1, wherein the exhaust funnel is made of glass fiber reinforced plastic.
9. The flexible production line for mixing and treating various waste gases as claimed in claim 1, wherein the drain outlets of all the circulating water tanks are respectively connected to a drain header pipe through drain pipes, and a drain pump is arranged on the drain header pipe.
10. The flexible production line for mixing and processing a plurality of exhaust gases as claimed in claim 1, wherein a pressure gauge, a temperature gauge and a flow rate gauge with a pressure sensor are arranged in front of the flexible production line; the flexible production line is provided with a pressure gauge, a thermometer and a smoke substance concentration meter with a pressure sensor at the rear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921017016.8U CN210874616U (en) | 2019-07-02 | 2019-07-02 | Flexible production line for mixed treatment of various waste gases |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921017016.8U CN210874616U (en) | 2019-07-02 | 2019-07-02 | Flexible production line for mixed treatment of various waste gases |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210874616U true CN210874616U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921017016.8U Active CN210874616U (en) | 2019-07-02 | 2019-07-02 | Flexible production line for mixed treatment of various waste gases |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210874616U (en) |
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2019
- 2019-07-02 CN CN201921017016.8U patent/CN210874616U/en active Active
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