CN201260934Y - Sulfuric dioxide flue gas chiller - Google Patents

Sulfuric dioxide flue gas chiller Download PDF

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Publication number
CN201260934Y
CN201260934Y CNU2008201367662U CN200820136766U CN201260934Y CN 201260934 Y CN201260934 Y CN 201260934Y CN U2008201367662 U CNU2008201367662 U CN U2008201367662U CN 200820136766 U CN200820136766 U CN 200820136766U CN 201260934 Y CN201260934 Y CN 201260934Y
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CN
China
Prior art keywords
water
smoke
cooler
inlet pipe
flue gas
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Expired - Lifetime
Application number
CNU2008201367662U
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Chinese (zh)
Inventor
史汉祥
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史汉祥
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Priority to CNU2008201367662U priority Critical patent/CN201260934Y/en
Application granted granted Critical
Publication of CN201260934Y publication Critical patent/CN201260934Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model relates to a direct-cooled sulfur dioxide smoke cooler combined with an absorption device. The upper part is column shape and the lower part is conical; the smoke inlet at the upper part is connected with a flue, the smoke outlet pipe at the lower part is connected with the absorption device, and the smoke outlet pipe and the conical part of the shell form an annular water tank; and a cooling nozzle and a water inlet pipe are arranged in the center of the upper part, a water inlet pipe is arranged in the middle part, and a water distributor is arranged below the water outlet. When in use, the smoke exchanges heat and mass with the water pulverized by the nozzle and the water forming a water curtain by the water distributor so as to decrease the temperature of the smoke and increase the temperature of the water, part of water is vaporized and enters into the flue, most of water is collected and exhausted by the annular water tank, and small part of water is carried in the smoke, therefore the cooler achieves the function of decreasing the temperature of the smoke. When the temperature of the smoke is too high, and the water smoke and the water curtain are insufficient to decrease the temperature of the smoke, water can be poured into the annular water tank, and the water outlet is closed, so that water flows down along the water tank edge after the annular water tank is full and forms a fluid film on the wall of the absorption device so as to protect the absorption device.

Description

The sulfur dioxide flue gas cooler
Technical field
The utility model relates to the environmental protection field, is specifically related to a kind of processing when containing sulfur dioxide flue gas, reduces the technology and equipment of flue-gas temperature in advance.
Background technology
Sulfur dioxide is one of atmosphere major pollutants, be mainly derived from industrial smoke, high speed development along with industry, the sulfur dioxide generation increases sharply, in order to control the discharge capacity of sulfur dioxide, it is the control SO2 emissions technology of target with the industrial smoke that people research and develop out many, and these technology all are to manage to make sulfur dioxide to separate from flue gas to utilize again, or convert harmless material to, be commonly called as flue gas desulfurization technique.Flue gas desulfurization technique can be divided into substantially: dry method, semidry method and wet method, wherein wet method is occupied an leading position.The wet process of FGD technology is exactly solution or the slurries that are modulated into absorbent and water, react in absorption equipment with sulfur in smoke, generate recycling or harmless material, sulfur dioxide is separated from flue gas, reach the purpose that reduces SO2 emissions.Sour gas contacts with water and generates acid solution in the process of wet desulphurization, and general iron and steel is had corrosivity, and therefore, absorption equipment must have corrosion resistance.Solve that absorption equipment is anticorrosive two ways, the one, choose the good metal material of corrosion resistance of Ni-based stainless steel, titanium steel and so on and make absorption equipment, but this metalloid material costs an arm and a leg, generally do not adopt; The 2nd, make shell with carbon steel, the nonmetal corrosion-resistant material of liner, as liner rubber, plastics, glass flake etc., this is to take off the technology that adopts in the engineering at present.The heat resistance of nonmetal corrosion-resistant materials such as rubber, plastics, glass flake is walked restriction; the flue-gas temperature that requirement enters absorption equipment is no more than 160 ℃; though spraying absorption liquid in the absorption tower can the nonmetal corrosion-resistant material of cooling protection; but the dead angle is arranged unavoidably; the part have protection less than the place, flue-gas temperature should be no more than the limit that these materials can bear.The input gas temperature height must cause outlet temperature also high in addition, influences desulfurization degree.Therefore, when flue-gas temperature is too high, should take measures to reduce the flue-gas temperature that enters absorption equipment.
Reduce flue-gas temperature available indirect cooling or directly cooling usually, good cooling results and can harmful effect not arranged indirectly to sweetening process thereafter, but indirectly cooling device make numerous and diverse, require height, cost is high, floor space is big, do not adopt generally speaking; Directly cooling simple because of its equipment making, require low, cost is low, people are ready to adopt under a lot of situations.
Summary of the invention
The purpose of this utility model is to provide a kind of direct cooling sulfur dioxide flue gas cooler that combines with the sulfur dioxide absorption equipment.
The purpose of this utility model is achieved through the following technical solutions.
A kind of sulfur dioxide flue gas cooler is the cooler of direct cooled, and it is suitable for reading to be gas approach, and the gas approach place is provided with cooling jet and water inlet pipe; This cooler is a cylindrical shape, and the housing middle part is connected into water inlet pipe, the water distributor that the water out center of water inlet pipe is provided with over against its below, and the bottom of cooler is provided with annular collecting vat, and upper inlet links to each other with flue, and the bottom exhanst gas outlet links to each other with absorption equipment.
Described water distributor can be conical, sphere shape, perhaps truncated cone, billiard table shape; The base diameter of water distributor is greater than the diameter as the exhanst gas outlet at annular collecting vat edge.
Described annular collecting vat is surrounded by the tapering part of smoke outlet tube and lower housing portion, the delivery port that it is provided with water inlet pipe and can controls the water yield.
The utility model provides a kind of direct cooled sulfur dioxide flue gas cooler that combines with absorption equipment, and its equipment can be provided with outside absorption equipment, becomes independently cooler; Also can combine with absorption equipment, minimizing connects the flue of equipment in twos, with further minimizing floor space.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1, gas approach, 2, cooling jet and water inlet pipe, 3, housing, 4, water inlet pipe, 5, water distributor, 6, supporting leg, 7, water inlet pipe, 8, annular collecting vat, 9, delivery port, 10, smoke outlet tube, 11, absorption equipment.
The specific embodiment
Referring to Fig. 1, sulfur dioxide flue gas cooler of the present utility model, top is cylindrical shape, and the bottom is conical, and suitable for reading is that gas approach 1 links to each other with flue, and the bottom is that the smoke outlet tube 10 that gos deep into housing 3 links to each other with absorption equipment 11; Smoke outlet tube 10 surrounds annular collecting vat 8 with the tapering part of housing 3, the center of top cooler is provided with cooling jet and water inlet pipe 2, the middle part is provided with water inlet pipe 4, its delivery port is downwards over against the center, water inlet pipe 4 delivery ports below is provided with water distributor 5, water distributor 5 can be taper shape, sphere shape or truncated cone, billiard table shape, and its center is over against water inlet pipe 4 delivery port centers; The supporting leg on the mouth 6 supports water distributor 5 in the flue gas by being welded on, and annular collecting vat 8 is provided with water inlet pipe 7 and can controls the delivery port 9 of the water yield, and the bottom exhanst gas outlet is connected with absorption equipment 11.
During the work of sulfur dioxide flue gas cooler, sulfur dioxide flue gas from top to bottom enters cooler, cooling water is delivered on nozzle and the water distributor 5 through inlet tube, flue gas with carry out heat, matter exchange through the water of nozzle atomization with through the water that water distributor 5 forms water curtains, flue-gas temperature reduces, and water temperature raises, and a water vapor enters flue gas, most of water compiles discharge through annular collecting vat 8, and the form that fraction water is carried under one's arms with machinery enters flue gas.
Like this, cooler plays the effect that reduces flue-gas temperature.Too high when flue-gas temperature, when being not enough to of water smoke and water curtain reaches cooling and require, can to annular collecting vat 8 in, inject water and close delivery port, water completely descend along the overflow of water leg edge the back, and formation liquid flow film on the absorption equipment wall, to protect absorption equipment.
Application example
Certain steel rolling mill's billet heating furnace flue gas desulphurization system uses the patent No. to be the sulfur dioxide absorption equipment as the heterophase reactor of ZL01126707.0, flue-gas temperature is 350 ℃, far above the nonmetal corrosion-resistant material of heterophase reactor desired ≯ 160 ℃, install sulfur dioxide flue gas cooler provided by the utility model additional at heterophase reactor upper inlet position for this reason, the operation result flue-gas temperature is reduced to below 150 ℃, has satisfied the requirement of desulphurization system.

Claims (4)

1, a kind of sulfur dioxide flue gas cooler, cooler for direct cooled, it is suitable for reading to be gas approach (1), gas approach (1) locates to be provided with cooling jet and water inlet pipe (2), it is characterized in that: this cooler is a cylindrical shape, the middle part of housing (3) is connected into water inlet pipe (4), the water distributor (5) that the water out center of water inlet pipe (4) is provided with over against its below, the bottom of cooler is provided with annular collecting vat (8), upper inlet (1) links to each other with flue, and the bottom exhanst gas outlet links to each other with absorption equipment (11).
2, sulfur dioxide flue gas cooler according to claim 1 is characterized in that: described water distributor (5) can be conical, sphere shape, perhaps truncated cone, billiard table shape.
3, sulfur dioxide flue gas cooler according to claim 1 is characterized in that: described water distributor (5), its base diameter is greater than the diameter as the exhanst gas outlet at annular collecting vat edge.
4, sulfur dioxide flue gas cooler according to claim 1, it is characterized in that: described annular collecting vat (8), be that tapering part by smoke outlet tube (10) and housing (3) bottom surrounds the delivery port (9) that it is provided with water inlet pipe (7) and can controls the water yield.
CNU2008201367662U 2008-09-19 2008-09-19 Sulfuric dioxide flue gas chiller Expired - Lifetime CN201260934Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201367662U CN201260934Y (en) 2008-09-19 2008-09-19 Sulfuric dioxide flue gas chiller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201367662U CN201260934Y (en) 2008-09-19 2008-09-19 Sulfuric dioxide flue gas chiller

Publications (1)

Publication Number Publication Date
CN201260934Y true CN201260934Y (en) 2009-06-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201367662U Expired - Lifetime CN201260934Y (en) 2008-09-19 2008-09-19 Sulfuric dioxide flue gas chiller

Country Status (1)

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CN (1) CN201260934Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101874972A (en) * 2010-06-25 2010-11-03 北京紫光威肯环保工程技术有限公司 Boiler flue gas desulfurization device by in-column crystallization ammonia process
CN105546565A (en) * 2015-12-17 2016-05-04 王本 Chimney water mist dust removing device
CN113856585A (en) * 2021-12-02 2021-12-31 海域泰和(山东)能源科技有限公司 Production device and preparation method of particle type gel plugging agent for profile control of low-permeability oil field

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101874972A (en) * 2010-06-25 2010-11-03 北京紫光威肯环保工程技术有限公司 Boiler flue gas desulfurization device by in-column crystallization ammonia process
CN105546565A (en) * 2015-12-17 2016-05-04 王本 Chimney water mist dust removing device
CN113856585A (en) * 2021-12-02 2021-12-31 海域泰和(山东)能源科技有限公司 Production device and preparation method of particle type gel plugging agent for profile control of low-permeability oil field

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C14 Grant of patent or utility model
CX01 Expiry of patent term

Granted publication date: 20090624

CX01 Expiry of patent term