CN218796522U - Power plant flue gas defogging device - Google Patents

Power plant flue gas defogging device Download PDF

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Publication number
CN218796522U
CN218796522U CN202222305620.9U CN202222305620U CN218796522U CN 218796522 U CN218796522 U CN 218796522U CN 202222305620 U CN202222305620 U CN 202222305620U CN 218796522 U CN218796522 U CN 218796522U
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pipe
communicated
flue gas
box body
power plant
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CN202222305620.9U
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Chinese (zh)
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邓存宝
高涛
韩青
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Taiyuan University of Technology
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Taiyuan University of Technology
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Priority to CN202222305620.9U priority Critical patent/CN218796522U/en
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Abstract

The utility model relates to a flue gas demisting device for a power plant, which relates to the technical field of environmental protection equipment and comprises a box body; the upper end of a wide opening of the air inlet hopper is communicated with the bottom of the box body; the ring body is arranged at the lower part of the inner wall of the box body; the first inlet pipe is arranged outside the box body, and the water outlet end of the first inlet pipe is communicated with the lower end of the ring body; the first inlet pipes are arranged in a staggered and inclined mode, each first inlet pipe is hollow, and the lower end of each first inlet pipe is communicated with the inner wall of the ring body; the groove body is arranged above the uppermost first inlet pipe and is used for containing adsorption liquid; the lower end of the conduit is communicated with the bottom of the tank body, and the upper end of the conduit is higher than the liquid level of the absorption liquid; the snakelike pipe body is arranged in the groove body, a plurality of air holes are formed in the pipe wall of the snakelike pipe body, and the upper end of the snakelike pipe body is communicated with the upper end of the conduit; the filtering component is arranged at the upper end in the box body; go out the gas fill, the top intercommunication of its wide-mouth lower extreme and box has multiple dust removal mode to coexist in, can remove dust many times, handles more thoroughly to the flue gas, and dust removal effect is better.

Description

Power plant flue gas defogging device
Technical Field
The utility model relates to an environmental protection equipment technical field especially relates to a flue gas defogging device of power plant.
Background
With the change of new energy power generation technology, the energy saving mode of new energy power plants is more and more diversified. At present, a biomass direct combustion and garbage incinerator working medium combined power generation system is proposed, namely a steam-water system of a garbage incinerator is combined with a biomass direct combustion unit, and working medium power generation integration is realized.
But simultaneously, can contain a large amount of dusts in the flue gas that the burning produced, can not produce very big pollution to the atmosphere in directly discharging to the air, current power plant boiler flue gas dust collector, most only single dust removal, so remove dust mostly not enough, and single structure, can not multiple dust collector combined action, have the limitation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming of the prior art, the utility model discloses a main aim at provides a flue gas defogging device of power plant removes dust many times, handles more thoroughly to the flue gas, and dust removal effect is better.
In order to achieve the above object, the utility model discloses a following technical scheme, a flue gas defogging device of power plant, include:
a box body;
the upper end of a wide opening of the air inlet hopper is communicated with the bottom of the box body;
the ring body is arranged at the lower part of the inner wall of the box body, and the interior of the ring body is hollow;
the first inlet pipe is arranged outside the box body, and the water outlet end of the first inlet pipe is communicated with the lower end of the ring body;
the first inlet pipes are arranged in a staggered and inclined mode, each first inlet pipe is hollow, and the lower end of each first inlet pipe is communicated with the side wall of the ring body;
the groove body is arranged above the uppermost first inlet pipe and is used for containing adsorption liquid;
the guide pipe is arranged in the tank body, the lower end of the guide pipe penetrates through the bottom of the tank body, and the upper end of the guide pipe is higher than the liquid level of the adsorption liquid;
the snakelike tube body is arranged in the groove body, the highest point of the snakelike tube body is lower than the adsorption liquid (7), a plurality of air holes are formed in the tube wall of the snakelike tube body, and the upper end of the snakelike tube body is communicated with the upper end of the guide tube;
the filtering component is arranged at the upper end in the box body;
and the lower end of a wide opening of the air outlet hopper is communicated with the top of the box body.
As a further optimization of the present invention, the utility model,
further comprising: and the high-voltage induction electrode net is horizontally arranged in the air inlet hopper.
As a further optimization of the present invention,
further comprising:
one end of the first outlet pipe is communicated with the upper end of the ring body, and the other end of the first outlet pipe penetrates through the box body and extends out of the box body;
one end of the second inlet pipe is communicated with the groove body, and the other end of the second inlet pipe penetrates through the side wall of the groove body and the box body to extend out of the box body;
the lower end of the connecting pipe is communicated with the other end of the first outlet pipe, and the upper end of the connecting pipe is communicated with the other end of the second inlet pipe through a pump;
and the second outlet pipe is communicated with the lower end of the groove body.
As a further optimization of the present invention,
further comprising:
and the dust collecting box is arranged at the lower end of the air inlet hopper.
As a further optimization of the utility model, the first inlet pipes are folded plates; the upper end of the first inlet pipe positioned at the uppermost position is contacted with the lower end of the guide pipe.
As a further optimization of the present invention, the filter assembly comprises:
a ceramic fiber filter screen;
the electrostatic filter screen is arranged above the ceramic fiber filter screen;
and the bamboo charcoal fiber filter screen is arranged above the electrostatic filter screen.
As a further optimization of the present invention, the adsorption liquid is water.
Compared with the prior art, the beneficial effects of the utility model are that:
the flue gas is by when sending into the box from the fill that admits air, the flue gas is through the fill entering box that admits air, the baffle that utilizes crisscross setting carries out preliminary physics and removes dust, then flue gas after the preliminary treatment gets into the snakelike body that is located the cell body that contains adsorption liquid along the pipe, and be equipped with the gas pocket on the body of snakelike body, the flue gas can be more abundant with the adsorption liquid contact, remaining dust particle and smog are adsorbed the back by the adsorption liquid in the flue gas, the gas that is insoluble in the adsorption liquid overflows with the form of bubble, through the filter assembly who locates the internal top of box, a small number of dust particles that probably carry the bubble further adsorb the back, the gas that accords with the environmental protection standard after the processing is fought from giving vent to atmosphere at box top, there are multiple dust removal mode in the device memory, can carry out dust removal processing many times to the flue gas, remove dust more thoroughly, the dust removal effect is better.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
fig. 2 is a schematic structural view of the side wall of the air intake hopper of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Example (b):
referring to fig. 1, flue gas discharged from a power plant contains a large amount of dust particles and smoke, and is in a high-temperature state, and the flue gas is treated by a flue gas defogging device for the power plant, which comprises: a box body 1; the upper end of a wide opening of the air inlet hopper 2 is communicated with the bottom of the box body 1, and the flue gas is introduced into the box body 1 for treatment; the ring body 5-2 is arranged at the lower part of the inner wall of the box body 1, and the interior of the ring body is hollow; the first inlet pipe 5-3 is arranged outside the box body 1, and the water outlet end of the first inlet pipe is communicated with the lower end of the ring body 5-2; the baffles 5-1 are arranged in a staggered and inclined mode, each first inlet pipe 5-1 is hollow, the lower end of each first inlet pipe is communicated with the side wall of the ring body 5-2, preliminary physical dust removal is carried out by using the baffles 5-1, liquid for cooling is injected into the ring body 5-2 and the baffles 5-1, and cooling treatment is carried out while preliminary dust removal is carried out; the tank body 1-1 is arranged above the uppermost first inlet pipe 5-1 and is used for containing an adsorption liquid 7; the lower end of the conduit 6 penetrates through the bottom of the tank body 1-1, and the upper end of the conduit is higher than the liquid level of the adsorption liquid 7; the snakelike tube body 7-1 is arranged in the tank body 1-1, the highest point of the snakelike tube body is lower than the adsorption liquid, a plurality of air holes are formed in the tube wall of the snakelike tube body, and the upper end of the snakelike tube body is communicated with the upper end of the guide tube 6; the filtering component 8 is arranged at the upper end in the box body 1; go out air scoop 10, its wide-mouth lower extreme with the top intercommunication of box 1, in order to avoid the flue gas to be stained with and attach on the part surface, still include: the high-voltage induction electrode net 4 is horizontally arranged in the air inlet hopper 2, the flue gas carries the same charges to move upwards through the assimilation of the high-voltage induction electrode net, the charges with the same polarity are repelled, and the flue gas cannot be attached to the surfaces of the baffle 5-1 and the guide pipe 6; then the flue gas after preliminary treatment enters a snakelike tube body 7-1 positioned in a groove body 1-1 containing adsorption liquid 7 along a guide pipe 6, air holes are arranged on the tube body of the snakelike tube body 7-1, the flue gas can be more fully contacted with the adsorption liquid 7, after residual dust particles and smoke in the flue gas are adsorbed by the adsorption liquid 7, gas which is insoluble in the adsorption liquid overflows in the form of bubbles, the gas passes through a filtering component 8 arranged at the top in the box body 1 to further adsorb a few dust particles possibly carried by the bubbles, and the treated gas which meets the environmental protection standard is discharged to the atmosphere from an air outlet hopper 10 communicated with the top of the box body 10,
as the utility model discloses a further optimization still includes: one end of the first outlet pipe is communicated with the upper end of the ring body 5-2, and the other end of the first outlet pipe penetrates through the box body 1 and extends out of the box body 1; one end of the second inlet pipe is communicated with the tank body 1-1, and the other end of the second inlet pipe penetrates through the side wall of the tank body 1-1 and the tank body 1 to extend out of the tank body 1; the lower end of the connecting pipe 7-3 is communicated with the other end of the first outlet pipe, and the upper end of the connecting pipe is communicated with the other end of the second inlet pipe through a pump; and the second outlet pipe 7-4 is communicated with the lower end of the tank body 1-1.
As the utility model discloses a further optimization still includes: and the dust collecting box 3 is arranged at the lower end of the air inlet hopper 2 and is used for collecting dust particles knocked down in preliminary physical dust removal.
As the further optimization of the utility model, the first inlet pipes 5-1 are folded plates, the contact area with the fed flue gas is larger, and the physical dedusting effect is better; the upper end of the first inlet pipe 5-1 at the uppermost position is in contact with the lower end of the guide pipe 6.
As a further optimization of the present invention, the filter assembly 8 includes: a ceramic fiber filter screen 8-1; the electrostatic filter screen 8-2 is arranged above the ceramic fiber filter screen 8-1; and the bamboo charcoal fiber filter screen 8-3 is arranged above the electrostatic filter screen 8-2 and is used for adsorbing part of smoke dust particles carried on the bubbles.
As the utility model discloses a further optimization, adsorption liquid 7 selects the liquid that specific heat capacity is big and high to the smog solubility, considers the cost, selects to be water, and the price/performance ratio is the best.
The utility model relates to a flue gas defogging device of power plant's basic operating principle:
when the flue gas is sent into the box body 1 from the air inlet hopper 2, the flue gas passes through the high-voltage induction electrode net 4 at the air inlet hopper 2, the flue gas carries the same charges to move upwards through assimilation of the high-voltage induction electrode net 4, the flue gas meets the first inlet pipe 5-1 to carry out preliminary physical dust removal, the like charges repel and cannot be attached to the first inlet pipe 5-1, then the flue gas and the smoke after the preliminary treatment enter the snake-shaped pipe body 7-1 positioned in the groove body 1-1 containing the adsorption liquid 7 along the guide pipe 6, air holes are formed in the pipe body of the snake-shaped pipe body 7-1, the flue gas and the smoke can be fully contacted with the adsorption liquid 7, after residual dust particles and the smoke in the flue gas are adsorbed by the adsorption liquid 7, the gas which is insoluble in the adsorption liquid 7 overflows in a bubble mode, after a small number of dust particles possibly carried by the bubbles are further adsorbed by the filtering component 8 arranged at the inner top of the box body 1, and the gas which meets the environmental protection standard after the treatment is discharged to the atmosphere from the air outlet hopper 10 at the top of the box body 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The above embodiments are merely examples of the present invention, and do not limit the protection scope of the present invention, and all designs the same as or similar to the present invention belong to the protection scope of the present invention.

Claims (7)

1. The utility model provides a flue gas defogging device of power plant which characterized in that includes:
a box body (1);
the upper end of a wide opening of the air inlet hopper (2) is communicated with the bottom of the box body (1);
the ring body (5-2) is arranged at the lower part of the inner wall of the box body (1), and the interior of the ring body is hollow;
the first inlet pipe (5-3) is arranged outside the box body (1), and the water outlet end of the first inlet pipe is communicated with the lower end of the ring body (5-2);
the baffles (5-1) are obliquely arranged in a staggered manner, each baffle (5-1) is hollow, and the lower end of each baffle is communicated with the side wall of the ring body (5-2);
the tank body (1-1) is arranged above the uppermost baffle (5-1) and is used for containing adsorption liquid (7);
the guide pipe (6) is arranged in the tank body (1-1), the lower end of the guide pipe penetrates through the bottom of the tank body (1-1), and the upper end of the guide pipe is higher than the liquid level of the adsorption liquid (7);
the snakelike pipe body (7-1) is arranged in the tank body (1-1), the highest point of the snakelike pipe body is lower than the adsorption liquid (7), a plurality of air holes are formed in the pipe wall of the snakelike pipe body, and the inlet end of the snakelike pipe body is communicated with the upper end of the guide pipe (6);
the filtering component (8) is arranged at the inner upper end of the box body (1);
and the lower end of a wide opening of the air outlet hopper (10) is communicated with the top of the box body (1).
2. The power plant flue gas demisting device according to claim 1, further comprising a high voltage induction electrode net (4) horizontally disposed in the air intake hopper (2).
3. The power plant flue gas demisting device according to claim 1, further comprising:
one end of the first outlet pipe is communicated with the upper end of the ring body (5-2), and the other end of the first outlet pipe penetrates through the box body (1) and extends out of the box body (1);
one end of the second inlet pipe is communicated with the tank body (1-1), and the other end of the second inlet pipe penetrates through the side wall of the tank body (1-1) and the tank body (1) and extends out of the tank body (1);
the lower end of the connecting pipe (7-3) is communicated with the other end of the first outlet pipe, and the upper end of the connecting pipe is communicated with the other end of the second inlet pipe through a pump;
and the second outlet pipe (7-4) is communicated with the lower end of the tank body (1-1).
4. The power plant flue gas demisting device according to claim 1, further comprising a dust collecting box (3) disposed at one side of the lower end of the air intake hopper (2).
5. A power plant flue gas demisting device according to claim 1, wherein a plurality of the baffles (5-1) are folded plates;
the upper end of the baffle (5-1) positioned at the uppermost position is contacted with the lower end of the guide pipe (6).
6. A power plant flue gas demisting device according to claim 1, wherein the filter assembly (8) comprises:
a ceramic fiber filter screen (8-1);
the electrostatic filter screen (8-2) is arranged above the ceramic fiber filter screen (8-1);
and the bamboo charcoal fiber filter screen (8-3) is arranged above the electrostatic filter screen (8-2).
7. The power plant flue gas demisting device according to claim 1, wherein the adsorption liquid (7) is water.
CN202222305620.9U 2022-08-31 2022-08-31 Power plant flue gas defogging device Active CN218796522U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222305620.9U CN218796522U (en) 2022-08-31 2022-08-31 Power plant flue gas defogging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222305620.9U CN218796522U (en) 2022-08-31 2022-08-31 Power plant flue gas defogging device

Publications (1)

Publication Number Publication Date
CN218796522U true CN218796522U (en) 2023-04-07

Family

ID=87274198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222305620.9U Active CN218796522U (en) 2022-08-31 2022-08-31 Power plant flue gas defogging device

Country Status (1)

Country Link
CN (1) CN218796522U (en)

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