CN208893915U - A kind of exhuast gas desulfurization structure - Google Patents

Abstract

The utility model provides a kind of exhuast gas desulfurization structure, including desulfurization shell, and desulfurization shell is provided with desulfurization air inlet and desulfurization gas outlet；Desulfurization enclosure interior is provided at least one desulfurization module, desulfurization module includes high-pressure water pipe and the screen part in face of high-pressure water pipe setting, high-pressure water pipe injection water hits the screen part and generates water curtain and spray, exhaust gas contacts when passing through screen part with water curtain and spray, realizes that desulfurization module carries out desulfurizing and purifying to exhaust gas.The utility model provides a kind of exhuast gas desulfurization structure, by optimizing to traditional aerosol exhaust-gas treatment structure, improves effect of desulfidation and purification.

Description

A kind of exhuast gas desulfurization structure

Technical field

The utility model relates to environment protection field more particularly to a kind of exhuast gas desulfurization structures.

Background technique

In the prior art, the pernicious gases such as sulfur dioxide, while exhaust gas are contained in the high-temp waste gas of certain plant emissions It containing harmful substances such as particulate matters, is directly discharged in air, pollutes the environment.Traditional method is to discharge it in exhaust gas Before, sulphur removal is carried out to exhaust gas using off-gas cleaning equipment, exhaust gas is made to reach discharge standard.Specially exhaust gas is carried out using spray head Water mist is sprayed, is come into full contact with using water mist and exhaust gas, on the one hand allows the sulfur dioxide in exhaust gas soluble in water, it is another Aspect can reduce the temperature of exhaust gas, reach discharge standard.

The existing this mode for purifying exhaust gas by spraying, the water mist of sprinkling is more dispersed, when exhaust gas is conveyed through water mist When, water mist is broken up in exhaust gas flowing, influence the uniformity that exhaust gas is contacted with water mist, therefore the existing this exhaust gas of purification by spraying Mode, purification efficiency be not high.

Therefore, the existing technology needs to be improved and developed.

Utility model content

In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of pair of exhaust gas to carry out desulfurizing and purifying Exhuast gas desulfurization structure.

The embodiment of the utility model is as follows:

A kind of exhuast gas desulfurization structure, wherein including desulfurization shell, the desulfurization shell is provided with desulfurization air inlet and desulfurization Gas outlet；

The desulfurization enclosure interior is provided at least one desulfurization module, and the desulfurization module includes high-pressure water pipe and faces The screen part of the high-pressure water pipe setting, the high-pressure water pipe injection water hit the screen part and generate water curtain and water Flower, exhaust gas realize that desulfurization module carries out desulfurizing and purifying to exhaust gas by contacting when the screen part with water curtain and spray.

The exhuast gas desulfurization structure of the utility model generates water curtain and water using high-pressure water pipe injection water impact screen component Flower, exhaust gas contact when passing through screen part with water curtain and spray, realize that desulfurization module carries out desulfurizing and purifying to exhaust gas.This set Mode can generate uniform and stable water curtain and spray near screen part, and the water curtain and spray are not easy to be blown by off-gas flows It dissipates, guarantees that exhaust gas can come into full contact with water curtain and spray, be substantially soluble in the pernicious gases such as the sulfur dioxide in exhaust gas In water, guarantee the desulfurization effect to exhaust gas.

The utility model has the beneficial effects that the utility model provides a kind of exhuast gas desulfurization structure, by being sprayed to traditional The exhaust-gas treatment structure of formula optimizes, and improves effect of desulfidation and purification.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the desulfurization defogging equipment in the utility model embodiment.

Fig. 2 is the structural schematic diagram of the exhuast gas desulfurization structure of the desulfurization defogging equipment in the utility model embodiment.

Fig. 3 is the schematic diagram of internal structure of the exhuast gas desulfurization structure of the desulfurization defogging equipment in the utility model embodiment.

Fig. 4 is the internal structure top view of the exhuast gas desulfurization structure of the desulfurization defogging equipment in the utility model embodiment.

Fig. 5 is the structural schematic diagram of the desulfurization module of the desulfurization defogging equipment in the utility model embodiment.

Fig. 6 is the structural schematic diagram of the high-pressure water pipe of the desulfurization defogging equipment in the utility model embodiment.

Fig. 7 is the partial sectional view of the desulfurization module of the desulfurization defogging equipment in the utility model embodiment.

Fig. 8 is the structural schematic diagram of the screened partitions of the desulfurization defogging equipment in the utility model embodiment.

Fig. 9 is the side view of the screened partitions of the desulfurization defogging equipment in the utility model embodiment.

Figure 10 is the structural schematic diagram of the block piece of the desulfurization defogging equipment in the utility model embodiment.

Figure 11 is the internal structure schematic diagram of the exhaust gas Defrosting structure of the desulfurization defogging equipment in the utility model embodiment.

Figure 12 is that the inside partial structurtes of the exhaust gas Defrosting structure of the desulfurization defogging equipment in the utility model embodiment are shown It is intended to.

Figure 13 is the structure diagram of the demisting component of the desulfurization defogging equipment in the utility model embodiment.

Figure 14 is the structure diagram of another angle of the demisting component of the desulfurization defogging equipment in the utility model embodiment.

Figure 15 is the structure diagram of the woven metal piece of the desulfurization defogging equipment in the utility model embodiment.

Figure 16 is the middle housing internal junction of the exhaust gas Defrosting structure of the desulfurization defogging equipment in the utility model embodiment Structure schematic diagram.

Figure 17 is the lower case internal junction of the exhaust gas Defrosting structure of the desulfurization defogging equipment in the utility model embodiment Structure schematic diagram.

Figure 18 is the structural schematic diagram of the desulfurization defogging equipment equipped with waste gas purification structure in the utility model embodiment.

Figure 19 is the schematic diagram of internal structure of the waste gas purification structure of the desulfurization defogging equipment in the utility model embodiment.

Specific embodiment

The embodiments of the present invention is described below in detail, the example of the embodiment is shown in the accompanying drawings, wherein Same or similar label indicates same or similar element or element with the same or similar functions from beginning to end.Lead to below It crosses the embodiment being described with reference to the drawings to be exemplary, is only used for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology The quantity of feature.Define " first " as a result, the feature of " second " can explicitly or implicitly include it is one or more The feature.The meaning of " plurality " is two or more in the description of the present invention, unless otherwise clearly specific It limits.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected or can mutually communicate；It can be directly connected, it can also be in Between medium be indirectly connected, can be the connection inside two elements or the interaction relationship of two elements.For this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model. In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.Certainly, they are only Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or reference letter, this repetition are for purposes of simplicity and clarity, itself not indicate discussed various embodiments And/or the relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this Field those of ordinary skill can be appreciated that the application of other techniques and/or the use of other materials.

Fig. 1 is please referred to, present embodiment discloses a kind of desulfurization defogging equipments, including exhuast gas desulfurization structure 100 and exhaust gas to remove Mist structure 200, the exhuast gas desulfurization structure 100 are connected to setting with the exhaust gas Defrosting structure 200.In practical application, part factory row The exhaust gas temperature put is higher, and containing pernicious gases such as sulfur dioxide, also containing some environmentally harmful particulate matters (such as ash Dirt etc.), the utility model carries out desulfurization process to exhaust gas by exhuast gas desulfurization structure 100, then is inhaled by exhaust gas Defrosting structure 200 Heat, steam and the particulate matter for receiving exhaust gas, make the indexs such as nuisance content, the temperature of exhaust gas reach the standard of discharge, and The exhaust gas of discharge will not generate white haze (this white haze is generally mostly superheated vapor and particulate matter).

Specifically, referring to fig. 2, Fig. 3 and Fig. 4, exhuast gas desulfurization structure 100 includes desulfurization shell 110, the desulfurization shell 110 It is provided with desulfurization air inlet 111 and desulfurization gas outlet 112, which is connected to exhaust gas Defrosting structure 200.Desulfurization Shell 110 is internally provided with multiple desulfurization module 120(referring to Fig. 3, then is provided with 5 desulfurization modules 120), the desulfurization module 120 include high-pressure water pipe 121 and in face of the high-pressure water pipe setting screen part 122, in use, external water source provide water flow to High-pressure water pipe 121,121 injection water impact screen component 122 of high-pressure water pipe generates water curtain and spray, exhaust gas pass through screen part It is contacted when 122 with water curtain and spray, realizes that desulfurization module carries out desulfurizing and purifying to exhaust gas.This set knot of the utility model Structure is cooperated by high-pressure water pipe 121 and screen part 122, make entire 122 surrounding of screen part and it is internal produce water curtain and Spray, these water curtains and spray are bigger compared with traditional water mist mode quality, and stability is more preferable, can't be blown by off-gas flows It dissipates, therefore can guarantee that exhaust gas by can adequately contact with these water curtains and spray when screen part 122, makes in exhaust gas Pernicious gas be soluble in water, reach to exhaust gas carry out desulfurization technical effect.

Certainly, in practical application, the liquid that high-pressure water pipe 121 is sprayed can also be selected according to the characteristic of exhaust gas, example The liquid there are also weak base property can such as be sprayed.

More specifically, it is arranged face-to-face referring to Fig. 5, high-pressure water pipe 121 and screen part 122, guarantees from high-pressure water pipe The water flow ejected in 121 can form water curtain and spray with impact screen component 122.

More specifically, referring to Fig. 6, high-pressure water pipe 121 may include the main line 1211 being laterally arranged, the main line 1211 connect external water source by connecting pipe (not drawing in figure), and multiple looped pipeline roads 1212 are provided on main line 1211, Multiple looped pipeline roads 1212 are connected to setting with main line 1211, also, are provided on looped pipeline road 1212 multiple towards screen part 122 nozzle 1213.This setup, after main line connects external water source, water flow can be from the spray on looped pipeline road 1212 Mouth 1213 is spouting, and impact screen component 122 forms spray, and water flow is downward because of gravity on screen part 122 Stream, and form water curtain.It should be noted that this set structure of high-pressure water pipe 121 and screen part 122, on the one hand guarantees The water flow that high-pressure water pipe 121 is sprayed can form spray and water curtain with impact screen component 122, on the other hand guarantee screen part 122 are arranged in face of the flow direction of off-gas flows, when flowing off-gas flows in desulfurization shell 110, necessarily pass screen cloth part Part 122 is simultaneously contacted with spray and water curtain；Also, this setup makes the nozzle 1213 on looped pipeline road 1212 back to off-gas flows Flow direction setting, after avoiding long-time use, the particulate matter in exhaust gas gather at nozzle 1213 causes nozzle 1213 block up Plug.

In some preferred embodiments, main line 1211 is two sections of long straight pipelines being laterally arranged, and looped pipeline road 1212 can be the different circular pipe of diameter, and multiple looped pipeline roads 1212 are identical according to the center of circle, the rule of diameter from small to large, row Column are formed concentric structure (referring to Fig. 6), and the supervisor that each 1212 left and right ends of looped pipeline road are laterally arranged with two sections respectively The fixed connection in road 1211, nozzle 1213 are evenly distributed on each looped pipeline road 1212.In practical application, between each looped pipeline road 1212 It is additionally provided with reinforcing rib 1214, which is respectively fixedly connected with two adjacent looped pipeline roads 1212, whole to improve The stability of a 121 structure of high-pressure water pipe.In practical application, reinforcing rib 1214 can be long straight steel bar, the straight steel bar both ends of the length It welds or is bolted with two adjacent looped pipeline roads 1212 respectively.

In other embodiment, high-pressure water pipe 121 can be shifted to install two layers, make the nozzle of high-pressure water pipe 121 Front-back staggered setting, the flow impact screen part 122 that this setup sprays nozzle formed more uniform water curtain and Spray.

More specifically, referring to Fig. 5 and Fig. 7, screen part 122 includes that sieve fixing piece 1221 and setting are fixed in sieve Sieve 1222 on part 1221,1222 front of sieve face off-gas flows direction.In practical application, entire screen part 122 Global shape is designed according to the airflow spatial form inside desulfurization shell 110, it is desirable that off-gas flows are in desulfurization shell 110 When internal circulation, whole exhaust gas must pass through screen part 122.

In some preferred embodiments, desulfurization shell 110 is arranged to circular channel shape, and sieve fixing piece 1221 cooperates It is arranged to cylindrical shape, and 1221 outer surface of sieve fixing piece is fixedly installed connection stabilizer blade 1224(referring to Fig. 5), these connections Stabilizer blade 1224 is evenly distributed on 1221 lower surface of sieve fixing piece, connection 1224 one end of stabilizer blade and 1221 lower surface of sieve fixing piece It is fixedly connected, the other end is fixedly connected with the inner wall of desulfurization shell 110, realizes sieve fixing piece 1221 being fixed on desulfurization shell Inside 110.Sieve 1222 is fixed inside sieve fixing piece 1221, and the cross section of sieve fixing piece 1221 is completely covered.

In one preferred embodiment, Fig. 7 is participated in, two (4 are provided in Fig. 7) are at least arranged in sieve 1222, Each sieve 1222 is arranged in parallel.This setup, when the water impact multilayer screen cloth 1222 that high-pressure water pipe 121 ejects, It will form intensive spray and water curtain in the outside of multilayer screen cloth and inside, flow through this multi-deck screen wet end in exhaust gas When part structure, exhaust gas and the contact of spray and water curtain are more abundant, improve sulfur limitation effect；Also, multilayer screen cloth modular construction can To further increase the stability of sieve spray outwardly and inwardly and water curtain, off-gas flows flow and speed is avoided to cross havoc Environment composed by spray and water curtain guarantees sulfur limitation effect.

Further, screen part 122 further includes the screened partitions being arranged between two adjacent sieves 1222 1223, which is fixedly connected with sieve 1222 and sieve fixing piece 1221.Referring specifically to Fig. 7, Fig. 8 and Fig. 9, Screened partitions 1223 are arranged to a meter font, have certain width, when screened partitions 1223 are arranged in two adjacent sieves When between net 1222, realize and neither exhaust gas hindered not block sieve 1222 by sieve 1222(, that is, screened partitions 1223), Guarantee that two adjacent sieves 1222 separate again, makes to form certain space between two adjacent sieves 1222, in reality It, can be abundant with moisture and water curtain in use, the space can be sufficient filling with by spray and water curtain, therefore when exhaust gas passes through sieve 1222 Contact.Finally, screened partitions 1223 can also be improved the stability of entire screen part 122, allow in face of high pressure water The water impact of pipe 121.

In practical application, screened partitions 1223 can be sieved using there is the sheet metal of one fixed width that a meter font structure is made Net separator 1223 can be by the modes such as welding or screw fixation, with sieve 1222 and the fixed company of sieve fixing piece 1221 It connects.Certainly, in practical application, other structures are also can be set into screened partitions 1223, such as cross strip can be set into Structure or lattice-shaped structure, will not repeat them here.

In some preferred embodiments, referring to Fig. 3 and Fig. 4, desulfurization shell 110 is internally provided with partition 130, should be every Desulfurization shell 110 is separated to form multiple installation spaces 150 by plate 130, can be empty in installation according to actual needs in practical application Between be disposed with a high-pressure water pipe 121 and a screen part 122 along off-gas flows direction in 150, and with sieve Component 122 is used as next 150 off-gas flows import of installation space, specifically, partition 130 is arranged to annular shape, partition 130 Outer and the 110 inner wall fixed seal connection of desulfurization shell, screen part 122 are fixed in the annulus hole of partition 130, sieve Along fixed seal connection in the outer wall of component 122 and the annulus hole of partition 130.This setup constrains exhaust gas in desulfurization Circulation path inside shell 110 guarantees that exhaust gas has to enter next peace by desulfurization module 120 from an installation space It fills in space, to guarantee that exhaust gas is cleaned desulfurization when through desulfurization module 120.

In some preferred embodiments, referring to Fig. 3 and Fig. 4, desulfurization module 120 further includes stopping high-pressure water pipe 121 The block piece 123 of the water flow of injection；The block piece 123 is parallel to the setting of screen part 122 and (is specifically located at screen part 122 Front), and 123 front of the block piece faces the water jet of high-pressure water pipe 121, for stopping from previous installation space Incoming water flow is sprayed in 150.In practical applications, when the flow impact screen part 122 that high-pressure water pipe 121 is sprayed, due to There are sieve pores for screen part 122, therefore fraction water flow can pass through entire screen part 122 and project, the water flow that this part is projected Spray or water curtain (or generated spray disperses very much, and the contact with exhaust gas is ineffective), therefore meeting can't be generated Reduce the utilization rate of water flow.By setting block piece 123, the water flow for passing through screen part 122 hinders the utility model Gear, this part water impact block piece 123 can equally generate spray and water curtain, and these sprays and water curtain also have centrality And stability, guarantee the contact effect of spray and water curtain with exhaust gas, not will cause waste.In addition, 123 surface of block piece is arranged There is the sieve pore 1231 for passing through exhaust gas, these sieve pores 1231 are throughout 123 surface of block piece (referring to Figure 10).

In another preferred embodiment, referring to Fig. 3 and Fig. 4, exhuast gas desulfurization structure 100 is additionally provided with shaft 140, 140 both ends of shaft pass through bearing and are fixed on desulfurization shell 110, and shaft 140 crosses entire desulfurization shell 110.Actually answer In, desulfurization shell 110 is in cylindrical shape, and shaft 140 is arranged on the central axes of desulfurization shell 110 (as shown in Figure 3 and Figure 4 Position).Shaft 140 passes through each desulfurization module 120, specifically, the high-pressure water pipe 121 of desulfurization module 120, screen part 122 and the center of block piece 123 be provided with the through-hole for allowing shaft 140 to pass through, also, the fixation of block piece 123 is set in shaft On 140, block piece 123 rotates and radial rotating (referring to the direction of 140 arrow of shaft in Fig. 3), high-pressure water pipe with shaft 140 121, screen part 122 does not rotate.By this setup, drives block piece 123 to rotate using shaft, on the one hand may be used To improve block piece 123 to the blocking effect of water flow, it on the other hand can also be improved the difficulty that exhaust gas passes through block piece 123, make Most of exhaust gas needs to flow to next desulfurization module 120 from the side of block piece 123 around block piece 123, and under passing through The screen part 122 of one desulfurization module 120 enter in next installation space 150 (flow path of exhaust gas referring to fig. 4 in arrow Shown in head direction, since off-gas flows path of the exhaust gas in each installation space 150 is almost the same, only drawn in Fig. 4 The off-gas flows path of one of installation space 150 out)；Also, block piece 123 with shaft 140 rotate when, due to from The effect of mental and physical efforts, the side of block piece 123 can shape more uniformly splash spray, when exhaust gas passes through from the side of block piece 123 When, it can sufficiently be contacted with these splashing sprays, further increase the desulfurization effect of desulfurization module 120.

In practical application, referring to Figure 10, cylindrical shape is can be set into block piece 123, and 123 boring of block piece is set It sets, surface is evenly arranged with multiple sieve pores 1231, and the setting of these sieve pores 1231 makes part water flow and portion pass through sieve pore 1231 enter inside block piece 123, and when block piece 123 is rotated with shaft 140, internal water flow and exhaust gas can be mixed sufficiently Splice grafting touching, further increases the desulfurization effect of desulfurization module 120.More specifically, block piece 123 can use sheet metal splicing Cylindrical shape is formed, is stamped and formed out 1231 structure of sieve pore on sheet metal.

In some preferred embodiments, desulfurization defogging equipment is provided with water circulation system (not drawing in figure), The water circulation system provides water source for entire desulfurization defogging equipment, while the water flow after using, by entering after collecting Water circulation system is recycled.Such as in exhuast gas desulfurization structure 100,110 bottom of desulfurization shell is provided with water flow recovery tube Road (is not drawn) in figure, and the water flow that high-pressure water pipe 121 is sprayed accumulates in desulfurization shell 110 after carrying out desulfurizing and purifying to exhaust gas Bottom, and entered in water circulation system by water flow recovery channel, it is conveyed to high pressure water again after water circulation system Pipe 121.

Desulfurization defogging equipment disclosed by the utility model further includes exhaust gas Defrosting structure 200, and referring to Fig. 1 and Figure 12, this is useless Gas Defrosting structure 200 includes demisting shell 210 and the demisting component 220 inside demisting shell 210, the demisting is arranged in several 220 front of component is arranged in face of off-gas flows direction.In use, exhaust gas enters after 100 desulfurizing and purifying of exhuast gas desulfurization structure In demisting shell 210, and pass through demisting component 220, demisting component 220 absorb exhaust gas temperature and water mist, realize to exhaust gas into Row cooling and demisting.

In practical application, demisting component 220 can be using some known environment-friendly materials production of such as active carbon, filter cotton It forms.Specifically, entire exhaust gas Defrosting structure 200 is vertically arranged referring to Fig. 1 and Figure 12, fixation is set inside demisting shell 210 It is equipped with mounting bracket 211, demisting component 220 is fixed in mounting bracket 211, is arranged from bottom to top, each demisting The flow direction of the front of component 220 face off-gas flows.The lower part of demisting shell 210 is connected to exhuast gas desulfurization structure 100, The waste gas outlet 212 of demisting shell 210 is arranged at top, and exhaust gas is after exhuast gas desulfurization structure 100, from demisting shell 210 Lower part enters in demisting shell 210, and from below to up after each demisting component 220, the exhaust gas from 210 top of demisting shell 212 discharge of outlet.

In some preferred embodiments, referring to Figure 13, Figure 14 and Figure 15, demisting component 220 includes that multiple stackings are set The woven metal piece 221 set, each 221 front of woven metal piece is towards off-gas flows direction.In practical application, woven metal piece 221 can be made using the preferable metal wire knitted of heat-conducting effect, be made for example, by using proof copper-wire braided.Each woven metal piece 221 After stacking, then by enclosing element 222 by (enclosing element 222 can also be compiled using wire after the fixed encirclement of each woven metal piece 221 Weave), form demisting component 220.This 220 structure of demisting component, it is internal that there are countless fine gaps, when exhaust gas passes through When demisting component 220, exhaust gas can come into full contact with demisting component 220, quickly realize heat exchange, and demisting component 220 is quickly inhaled The heat in exhaust gas is received, realization cools down to exhaust gas, while water mist and other particulate matters in exhaust gas, is passing through demisting group It after part 220, is trapped in inside demisting component 220 by countless wire blockings, completes to act on the demisting of exhaust gas.

In some preferred embodiments, referring to Figure 13, Figure 14 and Figure 15, woven metal piece 221 is extruded to form rule Then after corrugated (such as square-wave-shaped, sawtooth are wavy, wavy etc.), then misplace and be stacked to form demisting component 220.It is this to set Mode is set, so that the inner space of demisting component 220 is bigger, while the wire distribution of woven metal piece 221 is more reasonable, has Help improve the heat absorption defogging effect of demisting component 220.

In some preferred embodiments, exhaust gas Defrosting structure 200 further includes removing to what demisting component 220 was cleaned Fog pipe (is not drawn) in figure, which is arranged in the top of the highest demisting component 220 in position, when work, demisting Water pipe is from top to bottom rinsed each demisting component 220, on the one hand can cool down to demisting component 220, another party Face can remove the particulate matter of 220 accumulated inside of demisting component.

Further, referring to Figure 11, demisting shell 210 is divided into outside upper case 210a, middle housing 210b and lower part Shell 210c, wherein upper case 210a diameter is less than middle housing 210b, and middle housing 210b diameter is less than lower case 210c, Entire demisting shell 210 is set to form three-stage structure from bottom to top.Each demisting component 220 is fixedly mounted in upper case 210a Portion, also, the first cleaning structure 230 can be set inside lower case 210c, the second cleaning of setting inside middle housing 210b Structure 240, the setting of the first cleaning structure 230 and the second cleaning structure 240 can be further improved the desulfurizing and purifying effect of exhaust gas Fruit guarantees exhaust gas when entering the demisting component 220 of upper case 210a, the particulate matter (nuisances such as dust contained in exhaust gas Matter) be cleaned as far as possible, avoid excessive particulate matter from entering demisting component 220, reduce demisting component 220 defogging effect and Service life.

In some preferred embodiments, referring to Figure 17, the first cleaning structure is set inside lower case 210c 230, which is made of the first cleaning assembly 231 and the first cleaning water pipe 232.First cleaning assembly 231 It is fixed on inside lower case 210c, and positive in face of the setting of off-gas flows direction, which is placed in first 231 lower section of cleaning assembly, and the first cleaning water pipe 232 is sprayed water upwards, and the first cleaning assembly of flow impact 231 is made to form spray And water curtain.This setup, exhaust gas flow from bottom to top, and spray and water curtain generate collision with exhaust gas from top to bottom, into one Step improves the contact effect of exhaust gas and spray and water curtain, improves effect of desulfidation and purification.

In practical application, the first cleaning assembly 231 can be using structure as above-mentioned demisting component 220, can also be with Using the structure as above-mentioned screen part 122.Certainly, in certain preferred aspects, the first cleaning assembly 231 can To be arranged using the collocation multiple layer metal braided part structure 2312 of multilayer screen cloth structure 2311, referring to Figure 17, multilayer screen cloth structure 2311 are arranged below multiple layer metal braided part structure 2312, and the two can be laminated by fixed forms such as welding or connectors It is fixed, form the first cleaning assembly 231.This setup, when the first cleaning upward injection water of water pipe 232 hits first clearly When washing component 231, water flow first contacts multilayer screen cloth structure 2311, generates uniform spray and water curtain；And due to multilayer screen cloth knot There are through-hole, part water flow can penetrate multilayer screen cloth structure 2311 for 2311 surface of structure and inside, be woven at this time by multiple layer metal Part structure 2312 stops this part water flow, and (multiple layer metal braided part structure 2312 is made of woven metal piece, structure Intensive is high, and water flow is difficult to penetrate), this part water flow collision multiple layer metal braided part structure 2312 can also generate spray and water Curtain can be improved water flow and generate the utilization rate of spray and water curtain, while can guarantee that generated spray and water curtain are uniformly distributed On the surface and inside of entire first cleaning assembly 231, the cleaning effect to exhaust gas is improved.

In practical application, referring to Figure 17, partition 130 can be set inside lower case 210c, using partition 130 to useless The flow direction of gas is limited and is obstructed, and guarantees that exhaust gas all passes through the first cleaning assembly 231 and flows up again.It is excellent at one In the embodiment of choosing, in the mounting means of partition 130 and the first cleaning structure 230 and above-mentioned exhuast gas desulfurization structure 100 every Plate 130 is consistent with the mounting means of screen part 122, i.e. partition 130 is arranged to annular shape, outside the outer and lower part of partition 130 The inner wall of shell 210c is sealedly and fixedly connected, and the first cleaning structure 230 is arranged at the annulus hole of partition 130, the first cleaning structure The interior edge of 230 outer wall and partition 130 is sealedly and fixedly connected, and the first cleaning structure 230 is made to become sole outlet.

In some preferred embodiments, referring to Figure 16, it is second clear that at least one is set inside middle housing 210b Structure 240 is washed, multiple second cleaning structures 240 are arranged from bottom to top.Second cleaning structure 240 is by the second cleaning assembly 241 and second clean the composition of water pipe 242.Also, 241 front of the second cleaning assembly faces exhaust gas flow direction, is arranged second 242 top of water pipe is cleaned, the second cleaning upward injection water of water pipe 242 hits the second cleaning assembly 241 and forms spray and water curtain. This setup, exhaust gas flow from bottom to top, and spray and water curtain generate collision with exhaust gas from top to bottom, further increase useless The contact effect of gas and spray and water curtain improves effect of desulfidation and purification.Also, the water jet of the second cleaning water pipe 242 is back to useless The setting of gas airflow direction after avoiding long-time use, results in blockage to the second cleaning water pipe 242.

In practical application, the second cleaning assembly 241 can be using structure as above-mentioned demisting component 220, can also be with Using the structure as above-mentioned screen part 122.Certainly, in certain preferred aspects, the second cleaning assembly 241 can To be made of multiple sieves for being from bottom to top arranged successively setting, each sieve forward direction faces off-gas flows flow direction.

In practical application, the sieve for forming the second cleaning assembly 241 can be made using one piece of metal plate punching.

In practical application, the sieve for forming the second cleaning assembly 241 can be by its edge and middle housing 210b Wall is sealedly and fixedly connected；Or it is fixed on inside middle housing 210b by other fixed connection structures (such as bracket etc.).

In a preferred embodiment, the second cleaning assembly 241 and the second cleaning water pipe of the second cleaning structure 240 The distance between 242 be 1-4 meters, this distance can guarantee that the upward injection water of the second cleaning water pipe 242 hits the second cleaning When component 241, in the inside and outside uniform spray of generation of the second cleaning assembly 241, while water flow falls to forming uniform water Curtain；In addition, water can be formed by enough apart from (referring to Figure 16) between the second cleaning assembly 241 and the second cleaning water pipe 242 Curtain occupies certain space, guarantees that upward exhaust gas and downward water curtain can come into full contact with, improves the cleaning effect of exhaust gas.

It is adjacent inside middle housing 210b in order to compress the height of entire exhaust gas Defrosting structure 200 in practical application The distance of the second cleaning structure 240 can suitably reduce, specifically, the second cleaning water pipe 242 of the second cleaning structure 240 is set The top of the second cleaning assembly 241 of the second cleaning structure 240 below second cleaning structure 240 is set (referring to A in Figure 16 Shown in).

In practical application, between the second cleaning assembly 241 of the second cleaning structure 240 and the second cleaning water pipe 242 away from From the hydraulic pressure and exhaust-gas treatment requirement reasonable selection needed according to the second cleaning water pipe 242.

More specifically, the first cleaning water pipe 232 and the second cleaning water pipe 242 can be using such as above-mentioned high-pressure water pipes Structure as 121, i.e., the first cleaning water pipe 232 and the second cleaning water pipe 242 include main line and looped pipeline road, wherein being responsible for Road is two sections of long straight pipelines being laterally arranged, and the circular pipe that looped pipeline road can be different for diameter, and multiple looped pipeline roads are according to circle The heart is identical, the rule of diameter from small to large, and arrangement is formed concentric structure (referring to Fig. 6), and each looped pipeline road left and right ends Be connected to respectively with the fixation of two sections of main lines being laterally arranged, nozzle be distributed in each looped pipeline on the road.In practical application, in each pair Reinforcing rib is additionally provided between pipeline, which is respectively fixedly connected with two adjacent looped pipeline roads, to improve entire water The stability of pipe structure.In practical application, reinforcing rib can be long straight steel bar, the straight steel bar both ends of the length respectively with adjacent two It welds or is bolted in looped pipeline road.

Certainly, the first cleaning water pipe 232 and the second cleaning water pipe 242 can also use other water pipe structures, different herein One repeats.

In practical application, referring to Fig. 1, the bottom setting of demisting shell 210 is tapered, convenient for convergence water flow, accumulates in and removes The water flow of 210 bottom of mist shell is entered in water circulation system by water flow recovery channel to be recycled.

In some preferred embodiments, referring to Figure 18, in practical applications, desulfurization defogging equipment further includes that exhaust gas is net Change structure 300, which connects exhaust gas source, and the other end passes through exhaust pipe 311 and exhuast gas desulfurization structure 100 desulfurization air inlet 111 is connected to, after exhaust gas is purified by waste gas purification structure 300, then taking off from exhuast gas desulfurization structure 100 Sulphur air inlet 111 enters inside exhuast gas desulfurization structure 100, then in turn through exhuast gas desulfurization structure 100 and exhaust gas Defrosting structure After 200, it is discharged from the waste gas outlet 212 of exhaust gas Defrosting structure 200.

Specifically, waste gas purification structure 300 includes purification shell 310 and setting inside purification shell 310 referring to Figure 19 L shape conduit 320, which is arranged in the lower half inside purification shell 310, and L shape conduit 320 is open at one end It is fixed on purification shell 310 and is connected to exhaust gas source, the opening down setting of the other end of L shape conduit 320.This set side Formula, when exhaust gas being made to enter waste gas purification structure 300, the flow direction of gas downward, the process then constantly conveyed in exhaust gas again In, the shell 310 of filling purification from bottom to top, so that purification 310 lower part of shell has the function of caching exhaust gas.

In one preferred embodiment, referring to Figure 19, waste gas purification structure 300 further includes being fixed at outside purification Purification assembly 330(inside shell 310 can be set multiple), which is placed in 320 top of L shape conduit.Specifically, purification Component 330 includes purification water pipe 331 and filter element 332, which faces the flow direction of off-gas flows, Exhaust gas is filtered；Also, it purifies water pipe 331 to be arranged below filter element 332, purifies the upward injection water of water pipe 331 Impact filtration component 332 makes filter element 332 outwardly and inwardly form spray and water curtain, further right by spray and water curtain Exhaust gas is purified.

More specifically, purification assembly 330 can be using the structure as above-mentioned second cleaning structure 240.Specifically, Purification assembly 330 includes purification water pipe 331 and filter element 332, and purifies water pipe 331 and be arranged below filter element 332, It purifies the upward injection water of water pipe 331 and hits filter element 332, form uniform spray filter element 332 is inside and outside, Water flow falls to forming uniform water curtain simultaneously.The purification assembly 330 of this mode acts on above-mentioned second cleaning structure 240 Effect is the same, and details are not described herein.

In practical application, filter element 332 can be using the structure as above-mentioned second cleaning assembly 241.

In some preferred embodiments, filter element 332 can be by punching that muti-piece is arranged from bottom to top gold Belong to board group at.

In other preferred embodiments, filter element 332 can use the structure as above-mentioned screen part, I.e. filter element 332 can be laminated fixation by multilayer screen cloth and form, and require to divide between adjacent sieve by sieve Part is separated to form a certain distance.Or filter element 332 can be using structure as above-mentioned demisting component 220, i.e., The woven metal piece structure that filter component 332 can be stacked using dislocation, while can be by first by woven metal piece punching press The fixed mode of stacking is carried out after formation rule corrugated (such as the wavy lamp of square-wave-shaped, sawtooth) again, it is right to improve filter element 332 The filtration, purification effect of exhaust gas.

In practical application, purification water pipe 331 be arranged below filter element 332, purify water pipe 331 water jet upward, Towards filter element 332.This setup, when work, exhaust gas slowly gushes upwards from 332 lower section of filter element, and purified water 331 injection water impact filtration component 332 of pipe forms spray, simultaneously because gravity, water flow falls to form water curtain downwards, makes Downward spray and water curtain is collided with upward exhaust gas, is improved contact effect of the exhaust gas with water flow, is improved waste gas purification knot The clean-up effect of structure 300.Also, the water jet for purifying water pipe 331 is arranged back to off-gas flows direction, avoids using for a long time Afterwards, it results in blockage to purification water pipe 331.In addition, can be gathered due to the setting of L shape conduit 320 in the lower part of purification shell 310 Large quantity of exhaust gas, therefore when water curtain rushes fall from top to bottom, the exhaust gas for the lower part for accumulating in purification shell 310 can be carried out efficient Cleaning improves purification efficiency and effect.

More specifically, purification water pipe 331 can be using the structure as above-mentioned high-pressure water pipe 121, i.e. purification water pipe 331 also may include main line and looped pipeline road, and wherein main line is two sections of long straight pipelines being laterally arranged, and looped pipeline road can be The different circular pipe of diameter, multiple looped pipeline roads are identical according to the center of circle, the rule of diameter from small to large, and arrangement forms concentric circles knot Structure (referring to Fig. 6), and each looped pipeline road left and right ends are connected to the fixation of two sections of main lines being laterally arranged respectively, nozzle with It is distributed in each looped pipeline road.In practical application, it is additionally provided with reinforcing rib between each looped pipeline road, which fixes respectively Two adjacent looped pipeline roads are connected, to improve the stability of entire purification 331 structure of water pipe.In practical application, reinforcing rib can be with For the straight steel bar of length, the straight steel bar both ends of the length are welded or are bolted with two adjacent looped pipeline roads respectively.

Certainly, purification water pipe 331 can also use other water pipe structures, will not repeat them here.

Further, purification 310 bottom of shell is arranged to coniform, and the vertex of circular cone is arranged downward, and in circular cone Discharge outlet 312 is arranged in apex.This setup can converge in purification 310 bottom of shell in order to water flow, and convenient for logical Discharge outlet 312 is crossed to be drained.Specifically, discharge outlet 312 is connected to water circulation system, water flow enters stream by discharge outlet 312 It is recycled in the circulatory system.

In the description of this specification, reference term " embodiment ", " certain embodiments ", " schematically implementation What the description of mode ", " example ", " specific example " or " some examples " etc. meant to describe in conjunction with the embodiment or example Particular features, structures, materials, or characteristics are contained at least one embodiment or example of the utility model.In this explanation In book, schematic expression of the above terms are not necessarily referring to identical embodiment or example.Moreover, the specific spy of description Sign, structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.

Although above preferred embodiment is not used in conclusion the utility model is disclosed above with preferred embodiment To limit the utility model, those skilled in the art can make without departing from the spirit and scope of the utility model It is various to change and retouch, therefore the protection scope of the utility model subjects to the scope of the claims.

Claims (10)

1. a kind of exhuast gas desulfurization structure, which is characterized in that including desulfurization shell, the desulfurization shell be provided with desulfurization air inlet and Desulfurization gas outlet；

The desulfurization enclosure interior is provided at least one desulfurization module, and the desulfurization module includes high-pressure water pipe and faces described The screen part of high-pressure water pipe setting, the high-pressure water pipe injection water hit the screen part and generate water curtain and spray, give up Gas realizes that desulfurization module carries out desulfurizing and purifying to exhaust gas by contacting when the screen part with water curtain and spray.

2. exhuast gas desulfurization structure according to claim 1, which is characterized in that the screen part include sieve fixing piece and Sieve in the sieve fixing piece is set, and the sieve front faces off-gas flows direction.

3. exhuast gas desulfurization structure according to claim 2, which is characterized in that the sieve is at least arranged two, each described Sieve is arranged in parallel；The screen part further includes the screened partitions being arranged between two adjacent sieves, the sieve Separator is fixedly connected with the sieve and the sieve fixing piece.

4. exhuast gas desulfurization structure according to claim 1, which is characterized in that the desulfurization module further includes stopping the height The block piece of the water flow of pressure pipe injection；The block piece is parallel to the screen part setting, and block piece front In face of the water jet of the high-pressure water pipe；The block piece surface is provided with sieve pore.

5. exhuast gas desulfurization structure according to claim 4, which is characterized in that it further include shaft, the shaft and the resistance Block piece is fixedly connected, and drives the block piece radial rotating.

6. exhuast gas desulfurization structure described in -5 any one according to claim 1, which is characterized in that the desulfurization enclosure interior is set It is equipped with partition, the desulfurization shell is separated to form multiple installation spaces by the partition.

7. exhuast gas desulfurization structure according to claim 1, which is characterized in that the high-pressure water pipe includes the master being laterally arranged Pipeline, the main line connect external water source, and multiple looped pipeline roads, each looped pipeline Lu Junyu supervisor are provided on the main line Road connection setting, the looped pipeline road are provided with multiple nozzles towards the screen part.

8. exhuast gas desulfurization structure according to claim 7, which is characterized in that the main line includes two sections and is laterally arranged Long straight pipeline, the looped pipeline road include several different circular pipes of diameter, and each looped pipeline road is identical according to the center of circle, diameter Rule from small to large, arrangement form concentric structure, and each looped pipeline road left and right ends respectively with the main line Fixed connection, the nozzle are evenly distributed on each looped pipeline road.

9. exhuast gas desulfurization structure according to claim 8, which is characterized in that be additionally provided with reinforcement between each looped pipeline road Muscle, the reinforcing rib both ends are respectively fixedly connected with two adjacent looped pipeline roads.

10. exhuast gas desulfurization structure according to claim 2, which is characterized in that the sieve external surface of fixing member fixation is set It is equipped with connection stabilizer blade, described connection stabilizer blade one end is fixedly connected with sieve fixing piece surface, the other end and the desulfurization shell The inner wall of body is fixedly connected.