CN213824112U - Waste gas treatment system for alkali recovery calcining section dissolving tank - Google Patents
Waste gas treatment system for alkali recovery calcining section dissolving tank Download PDFInfo
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- CN213824112U CN213824112U CN202022325425.3U CN202022325425U CN213824112U CN 213824112 U CN213824112 U CN 213824112U CN 202022325425 U CN202022325425 U CN 202022325425U CN 213824112 U CN213824112 U CN 213824112U
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Abstract
The utility model discloses a waste gas treatment system for alkali recovery calcining workshop section dissolving tank, which relates to the technical field of waste gas treatment. The utility model comprises a dissolving tank, a recovery fan, a waste gas absorption tower, a demisting tank, a circulating pump and a furnace tertiary fan; the air inlet of the recovery fan is connected with the exhaust port of the dissolving tank through an exhaust pipe; the exhaust port of the recovery fan is connected with the feed inlet of the waste gas absorption tower through a gas pipe; the bottom discharge port of the waste gas absorption tower is connected with the feed inlet of the demisting tank through a discharge pipe; the bottom circulation port of the demisting tank is connected with the feed port of the circulation pump through a circulation pipe; the discharge port of the circulating pump is connected with the top feed inlet of the waste gas absorption tower through a conveying pipe; the air outlet of the demister is connected with the air inlet of the tertiary air fan of the furnace through an air return pipe. The utility model discloses can fully handle the waste gas in the workshop section dissolving tank of calcining, have higher market using value.
Description
Technical Field
The utility model belongs to the technical field of waste gas treatment, especially, relate to a waste gas treatment system that is used for alkali recovery to calcine workshop section dissolving tank.
Background
Along with the increasingly severe environment-friendly situation in recent years, the waste gas in the dissolving tank of the combustion section cannot be discharged outside, so that the problems of large moisture, hot gas, alkali gas and peculiar smell in the combustion section, severe environment, high corrosivity on workers, equipment, steel structures and floor slabs and even inconvenience and disadvantages for the operation and the body health of workers are caused. Therefore, there is a need to develop a waste gas treatment system for a dissolving tank of an alkali recovery calcining section so as to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a waste gas treatment system for alkali recovery calcining workshop section dissolving tank, which aims to solve the problems in the background technology.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a waste gas treatment system for a dissolving tank in an alkali recovery calcining working section, which comprises a dissolving tank, a recovery fan, a waste gas absorption tower, a demisting tank, a circulating pump and a furnace tertiary fan; the top of the demisting tank is provided with a demister; the air inlet of the recovery fan is connected with the air outlet of the dissolving tank through an exhaust pipe; the exhaust port of the recovery fan is connected with the feed inlet of the waste gas absorption tower through a gas pipe; the bottom discharge port of the waste gas absorption tower is connected with the feed inlet of the demisting tank through a discharge pipe; the bottom circulating port of the demisting tank is connected with the feed port of the circulating pump through a circulating pipe; the discharge port of the circulating pump is connected with the top feed inlet of the waste gas absorption tower through a conveying pipe; and the gas outlet of the demister is connected with the gas inlet of the tertiary fan of the furnace through a gas return pipe.
Further, the waste gas absorption tower comprises a tower body in a cylindrical structure; a plurality of clapboards are horizontally fixed on the inner side wall of the tower body side by side from top to bottom; a gas transmission channel in a wave-shaped structure is formed among the plurality of clapboards; a plurality of through holes are uniformly distributed on the upper surface of the partition plate.
Further, the baffle is in a major arc arch structure.
Further, the top wall of the demisting tank is provided with a cooling water compensation port; and the cooling water compensation port is used for injecting cooling water into the demisting tank so as to realize water displacement and supplement in the demisting tank.
Furthermore, one side wall of the demisting tank is provided with an overflow port; the overflow port is used for discharging the excess water in the demisting tank into the ash reducing tank.
The utility model discloses following beneficial effect has:
the utility model discloses a retrieve the waste gas of fan in with the dissolving tank and carry to the waste gas absorption tower in, the waste gas absorption tower can fully absorb waste gas, again with thoughtlessly gaseous liquid that sprays in the waste gas absorption tower together carry to the defogging jar in, and utilize the circulating pump to spray in will getting into the defogging jar and carry to the waste gas absorption tower once more, realize the circulation and purify, gas after purifying simultaneously carries to the furnace burning once more through stove cubic fan, thereby the treatment effeciency to waste gas has been improved effectively, not only avoided waste gas to the staff, equipment, the corruption of steel construction and floor, the operational environment in calcination workshop has still been optimized, higher market using value has.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a waste gas treatment system for a dissolving tank of an alkali recovery calcining section according to the present invention;
FIG. 2 is a schematic structural view of the waste gas absorption tower of the present invention;
fig. 3 is a top view of the structure of fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a dissolving tank, 2-a recovery fan, 3-a waste gas absorption tower, 4-a demisting tank, 5-a circulating pump, 6-a furnace tertiary fan, 7-an exhaust pipe, 8-an air conveying pipe, 9-a drainage pipe, 10-a circulating pipe, 11-a conveying pipe, 12-an air return pipe, 301-a tower body, 302-a partition plate, 303-a supporting channel steel, 401-a demister, 402-a cooling water compensation port and 403-an overflow port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model relates to a waste gas treatment system for a dissolving tank in an alkali recovery calcining process, which comprises a dissolving tank 1, a recovery fan 2, a waste gas absorption tower 3, a demisting tank 4, a circulating pump 5 and a furnace tertiary fan 6; the top of the demisting tank 4 is provided with a demister 401; the air inlet of the recovery fan 2 is connected with the air outlet of the dissolving tank 1 through an exhaust pipe 7; the exhaust port of the recovery fan 2 is connected with the feed inlet of the waste gas absorption tower 3 through a gas pipe 8; the bottom discharge port of the waste gas absorption tower 3 is connected with the feed inlet of the demisting tank 4 through a discharge pipe 9; the bottom circulation port of the demisting tank 4 is connected with the feed port of the circulation pump 5 through a circulation pipe 10; the discharge port of the circulating pump 5 is connected with the top feed inlet of the waste gas absorption tower 3 through a conveying pipe 11; the air outlet of the demister 401 is connected with the air inlet of the tertiary air fan 6 of the furnace through an air return pipe 12; the mist eliminator 401 is of conventional design in the art and is of prior art.
As shown in fig. 2 to 3, the exhaust gas absorption tower 3 includes a tower body 301 having a cylindrical structure; a plurality of clapboards 302 are horizontally fixed on the inner side wall of the tower body 301 from top to bottom side by side; a plurality of partitions 302 are provided below the feed inlet of the off-gas absorption tower 3; a gas transmission channel in a wave-shaped structure is formed among the plurality of partition plates 302; the separator 302 is a stainless steel plate; a plurality of through holes are uniformly distributed on the upper surface of the partition plate 302; the through hole is used for draining and ventilating; the baffle 302 is in a major arc arch configuration; a support channel 303 for supporting the partition 302 is fixed below the partition.
Wherein, as shown in fig. 1, the top wall of the defogging tank 4 is provided with a cooling water compensation port 402; the cooling water compensation port 402 is used for injecting cooling water into the demisting tank 4 so as to realize replacement and supplement of the water amount in the demisting tank 4; one side wall of the demisting tank 4 is provided with an overflow port 403; the overflow port 403 is used for discharging the excess water in the demisting tank 4 to the ash reduction tank; the ash reduction groove is matched with the ash remover on the alkali furnace.
During the use, carry the waste gas in the dissolving tank 1 to the waste gas absorption tower 3 in through recovery fan 2, waste gas absorption tower 3 can fully absorb waste gas, mix gaseous spray liquid in the waste gas absorption tower 3 and carry to in the defogging jar 4 together, and utilize circulating pump 5 will get into and spray liquid in the defogging jar 4 and carry to waste gas absorption tower 3 once more, realize the circulation and purify, the gas after the purification passes through the stove tertiary air fan 6 and carries to the furnace burning once more, thereby the treatment effeciency to waste gas has been improved effectively, the corruption of waste gas to staff, equipment, steel construction and floor has not only been avoided, the operational environment in calcination workshop has still been optimized, has higher market using value.
Specifically, the waste gas treatment system for the dissolving tank in the alkali recovery calcining section further comprises a centralized controller; the centralized controller is respectively electrically connected with the recovery fan 2, the waste gas absorption tower 3, the circulating pump 5, the furnace tertiary fan 6 and the liquid supply equipment; the centralized controller, the recovery fan 2, the waste gas absorption tower 3, the demisting tank 4, the circulating pump 5 and the furnace tertiary fan 6 are all conventional components in the field.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The waste gas treatment system for the alkali recovery calcining working section dissolving tank comprises a dissolving tank (1), a recovery fan (2), a waste gas absorption tower (3), a demisting tank (4), a circulating pump (5) and a furnace tertiary fan (6); the top of the demisting tank (4) is provided with a demister (401); the method is characterized in that:
the air inlet of the recovery fan (2) is connected with the air outlet of the dissolving tank (1) through an exhaust pipe (7); the exhaust port of the recovery fan (2) is connected with the feed inlet of the waste gas absorption tower (3) through a gas pipe (8); the bottom discharge port of the waste gas absorption tower (3) is connected with the feed inlet of the demisting tank (4) through a discharge pipe (9);
the bottom circulating port of the demisting tank (4) is connected with the feed port of the circulating pump (5) through a circulating pipe (10); the discharge port of the circulating pump (5) is connected with the top feed inlet of the waste gas absorption tower (3) through a conveying pipe (11); the air outlet of the demister (401) is connected with the air inlet of the tertiary air fan (6) of the furnace through an air return pipe (12).
2. The exhaust gas treatment system for the dissolving tank of the alkali recovery calcining section according to claim 1, wherein the exhaust gas absorption tower (3) comprises a tower body (301) in a cylindrical structure; a plurality of clapboards (302) are horizontally fixed on the inner side wall of the tower body (301) from top to bottom side by side; a gas transmission channel in a wave-shaped structure is formed among the plurality of clapboards (302); a plurality of through holes are uniformly distributed on the upper surface of the partition plate (302).
3. The exhaust gas treatment system for a soda recovery calcination section dissolution tank as recited in claim 2, wherein the partition plate (302) is in a major arc arch configuration.
4. The exhaust gas treatment system for the dissolving tank in the alkali recovery calcining section as claimed in claim 1, wherein the top wall of the demisting tank (4) is provided with a cooling water compensation port (402); and the cooling water compensation port (402) is used for injecting cooling water into the demisting tank (4) so as to realize replacement and supplement of water quantity in the demisting tank (4).
5. The exhaust gas treatment system for the dissolving tank in the alkali recovery calcining section as claimed in claim 1 or 4, wherein one side wall of the demisting tank (4) is provided with an overflow port (403); the overflow port (403) is used for discharging the excessive water in the demisting tank (4) to the ash reduction tank.
Priority Applications (1)
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CN202022325425.3U CN213824112U (en) | 2020-10-19 | 2020-10-19 | Waste gas treatment system for alkali recovery calcining section dissolving tank |
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CN202022325425.3U CN213824112U (en) | 2020-10-19 | 2020-10-19 | Waste gas treatment system for alkali recovery calcining section dissolving tank |
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