CN114849465A - Energy-recovery type energy-saving environment-friendly waste gas treatment spray tower - Google Patents
Energy-recovery type energy-saving environment-friendly waste gas treatment spray tower Download PDFInfo
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- CN114849465A CN114849465A CN202210396472.8A CN202210396472A CN114849465A CN 114849465 A CN114849465 A CN 114849465A CN 202210396472 A CN202210396472 A CN 202210396472A CN 114849465 A CN114849465 A CN 114849465A
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- heat exchange
- waste gas
- energy
- spray tower
- liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/84—Biological processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
- F28D3/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with tubular conduits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses an energy-recovery energy-saving environment-friendly waste gas treatment spray tower which comprises a spray tower main body, an environment-friendly heat exchange mechanism and a impurity collecting box, wherein the spray tower main body is provided with a heat exchange plate; the lower bottom of the spray tower main body is connected with an air inlet pipe which is used for injecting waste gas; the environment-friendly heat exchange mechanism is arranged on one side of the spray tower main body and is communicated with the air inlet pipe for recycling heat in waste gas, the environment-friendly heat exchange mechanism comprises a heat exchange box, a gas conveying pipe is connected to the heat exchange box, a waste gas purification mechanism is arranged in the heat exchange box and is used for purifying harmful substances in the waste gas and also used for pretreating the waste gas, a central plate and a thin film are arranged in the heat exchange box, and the central plate is connected with the thin film. According to the invention, through the arrangement of the corresponding mechanism, the heat energy in the waste gas can be timely recycled, the waste of the heat energy in the waste gas is greatly reduced, the recycling rate of the heat energy by the spray tower is improved, the energy-saving and environment-friendly treatment effect of the spray tower can be further improved, and the requirement of environment-friendly production is met.
Description
Technical Field
The invention belongs to the technical field of spray towers, and particularly relates to an energy-recovery type energy-saving environment-friendly waste gas treatment spray tower.
Background
The spray tower is an environment-friendly waste gas treatment device and is divided into a circulating water spray tower, an alkali liquor spray tower and an acid liquor spray tower according to the working principle; the tower body is divided into a glass fiber reinforced plastic spray tower, a pp spray tower and a stainless steel spray tower according to the material quality of the tower body. The existing spray tower mainly comprises an air pipe, a pressure chamber, a liquid storage tank, a filler, a spray device, a defoaming device and the like. When waste gas is introduced into the purifying tower by the tuber pipe, can contact with spray tower spun spray medium, contact back waste gas or greasy dirt are wrapped up by the drop of water, the drop of water of parcel pollutant collides surface area increase once more and gravity increases, fall into the spray tower bottom under the influence of gravity, tower body bottom is sunken to heavier pollutant, lighter pollutant then floats in the circulating water surface face, waste gas after being purified carries out the defogging through the defogging board device and handles, discharge into the atmosphere by the fan at last with air-purifying, accomplish waste gas purification's process.
However, when the existing spray tower is used for treating waste gas, a heat recovery mechanism is lacked, namely, some waste gas contains a large amount of heat, when high-heat waste gas is contacted with a spray medium in the spray tower, a large amount of steam can be generated, if the steam is not utilized in time, the steam containing heat can be neutralized and cooled again by the spray medium in the spray tower, so that the waste of heat energy resources is caused, the utilization rate of the spray tower to the heat energy resources is reduced, and the requirement of green and environment-friendly production cannot be met.
Therefore, in order to solve the above technical problems, it is necessary to provide an energy-recovery type energy-saving and environment-friendly spray tower for treating waste gas.
Disclosure of Invention
The invention aims to provide an energy-recovery type energy-saving environment-friendly waste gas treatment spray tower to solve the problem of heat energy loss caused by lack of a heat recovery mechanism.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
an energy-recovery type energy-saving environment-friendly waste gas treatment spray tower comprises a spray tower main body, an environment-friendly heat exchange mechanism and a impurity collecting box;
the lower bottom of the spray tower main body is connected with an air inlet pipe, and the air inlet pipe is used for injecting waste gas;
the environment-friendly heat exchange mechanism is arranged on one side of the spray tower main body, is communicated with the air inlet pipe and is used for recycling heat in waste gas, and comprises a heat exchange box, the heat exchange box is connected with an air conveying pipe, a waste gas purification mechanism in the heat exchange box is used for purifying harmful substances in the waste gas and also used for pretreating the waste gas, a central plate and a film are arranged in the heat exchange box, the central plate is connected with the film, the film is connected with the inner wall of the heat exchange box, the heat exchange box is filled with heat exchange liquid, an insertion pipe is inserted in the center of the central plate, and one end of the insertion pipe is inserted in the heat exchange liquid;
the impurity collecting box is arranged on one side of the heat exchange box and used for collecting purified harmful substances in the waste gas.
Furthermore, one end of the air inlet pipe is inserted into the heat exchange box, the air inlet pipe is arranged between the film and the heat exchange liquid, and the air inlet pipe is used for conveying waste gas after heat exchange so as to carry out retreatment on the waste gas.
Further, the exhaust gas purification mechanism includes a ring pipe for mounting a plurality of first spray heads;
the annular pipe with be connected with a plurality of spliced poles between the roof on the heat transfer case for fixed annular pipe, be equipped with a plurality of circumference evenly distributed's first shower nozzle on the annular pipe, utilize first shower nozzle can spray the purifying liquid of depositing the liquid incasement, and then can play the effect of harmful substance in the purification waste gas, avoid the harmful substance pollution heat transfer liquid in the waste gas.
Furthermore, a liquid storage box is arranged on the upper side of the heat exchange box and used for containing purified liquid, a communicating pipe is connected to the liquid storage box, the communicating pipe penetrates through the heat exchange box and is communicated with the annular pipe, and the communicating pipe is used for conveying the purified liquid in the liquid storage box to the annular pipe, discharging the purified liquid through a plurality of first nozzles on the annular pipe and purifying harmful substances in waste gas;
the liquid storage box is internally provided with a purifying liquid which is sprayed out through the first spray head and used for purifying harmful substances in waste gas, so that the harmful substances in the waste gas are prevented from polluting the heat exchange liquid, and the use effect of the working personnel on the heat exchange liquid is ensured.
Furthermore, a plurality of purification balls are arranged in the purification liquid, so that the effect of purifying harmful substances in the waste gas by the purification liquid is further improved;
the purifying ball comprises a protective layer for protecting base liquid and microorganisms;
the inboard of protective layer is equipped with base fluid and a plurality of microorganism, and the base fluid is used for providing nutrition base fluid for the microorganism, avoids the death of microorganism, guarantees the survival rate of microorganism.
Furthermore, the outer side of the protective layer is provided with a heated film, when the purifying ball is released from the liquid storage tank, the heated film is broken under the action of high-speed flowing waste gas, so that microorganisms are separated from the protective layer, and the effect of purifying harmful substances in the waste gas can be achieved again by utilizing the activity of the microorganisms.
Furthermore, a pair of branch gas pipes are connected to the side wall of the insertion pipe positioned in the heat exchange liquid and used for installing a plurality of second spray heads;
install a plurality of evenly distributed's second shower nozzle on the bronchus, in the waste gas after being purified enters into the bronchus through the inserted tube, rethread second shower nozzle is discharged for form continuous bubble in the heat-transfer liquid, the bubble is used for increasing the contact effect of gas and heat-transfer liquid, makes waste gas can fully contact with the heat-transfer liquid, guarantees the heat transfer effect of heat-transfer liquid and waste gas.
Further, the interior of the bronchus communicates with the interior of the insertion tube so that the exhaust gas with heat enters the bronchus through the insertion tube.
Furthermore, a metal net and filter cloth are arranged in the heat exchange liquid, the filter cloth is arranged on the upper side of the metal net, the metal net and the filter cloth are arranged between the branch gas pipe and the gas inlet pipe, and both the metal net and the filter cloth are used for blocking precipitates in the heat exchange liquid, so that the precipitates are prevented from floating upwards, the precipitates in the discharged heat exchange liquid are prevented from being contained, and the heat exchange liquid can be conveniently used by a worker.
Furthermore, one surface of the impurity collecting box, which is close to the heat exchange box, is provided with an impurity dropping pipe, the impurity dropping pipe is used for dropping the purified harmful substances on the upper side of the film so as to carry out centralized collection treatment on the harmful substances, the impurity dropping pipe is arranged by penetrating through the side wall of the heat exchange box, and the impurity dropping pipe is arranged on the upper side of the film;
the drawer is arranged on the impurity collecting box, so that the workers can conveniently take out the collected harmful substances in the impurity collecting box, and the harmful substances can be conveniently treated in a centralized manner.
Compared with the prior art, the invention has the following advantages:
according to the invention, through the arrangement of the corresponding mechanism, the heat energy in the waste gas can be timely recycled, the waste of the heat energy in the waste gas is greatly reduced, the recycling rate of the heat energy by the spray tower is improved, the energy-saving and environment-friendly treatment effect of the spray tower can be further improved, and the requirement of environment-friendly production is met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a perspective view of an energy-recovery type energy-saving and environment-friendly waste gas treatment spray tower according to an embodiment of the present invention;
FIG. 2 is a schematic view of a part of the structure of an energy-recovery type energy-saving and environment-friendly waste gas treatment spray tower according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of the structure of FIG. 2 at B;
FIG. 5 is a schematic view of the structure of FIG. 2 at C;
FIG. 6 is a schematic structural diagram of an environmental heat exchange mechanism in a second state according to an embodiment of the present invention;
FIG. 7 is a schematic view of the structure of FIG. 6 at D;
FIG. 8 is a schematic view of the structure at E in FIG. 6;
FIG. 9 is a cross-sectional view of a purification ball in accordance with an embodiment of the present invention.
In the figure: 1. the spray tower comprises a spray tower body, 101, an air inlet pipe, 2, an environment-friendly heat exchange mechanism, 201, a heat exchange box, 202, an air conveying pipe, 203, an annular pipe, 204, a first spray head, 205, a liquid storage box, 206, purified liquid, 207, a central plate, 208, a film, 209, the heat exchange liquid, 210, an insertion pipe, 211, a branch air pipe, 212, a second spray head, 213, a metal net, 214, filter cloth, 215, a limiting block, 3, a impurity collecting box, 301, a drawer, 4, a baffle, 401, a cavity, 402, a rotating shaft, 403, a winding disc, 404, a pull rope, 405, a fixing block, 406, a motor, 5, a purifying ball, 501, a protective layer, 502, base liquid, 503, microorganisms and 504.
Detailed Description
The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.
The invention discloses an energy-recovery energy-saving environment-friendly waste gas treatment spray tower, which is shown in a figure 1-figure 9 and comprises a spray tower main body 1, an environment-friendly heat exchange mechanism 2 and a impurity collecting box 3.
Wherein, the lower bottom of the spray tower main body 1 is connected with an air inlet pipe 101, and the air inlet pipe 101 is used for injecting waste gas.
In addition, one end of the air inlet pipe 101 is inserted into the heat exchange box 201, the air inlet pipe 101 is arranged between the film 208 and the heat exchange liquid 209, and the air inlet pipe 101 is used for conveying the waste gas after heat exchange so as to perform retreatment on the waste gas.
Preferably, the position of the air inlet pipe 101 is shown with reference to fig. 1-2.
Referring to fig. 1 to 9, the environment-friendly heat exchange mechanism 2 is disposed at one side of the spray tower main body 1, and is communicated with the air inlet pipe 101 for recycling heat in the exhaust gas, and the environment-friendly heat exchange mechanism 2 includes a heat exchange box 201 for temporarily storing the exhaust gas so as to exchange heat with the exhaust gas.
Wherein, all be equipped with the heat preservation on the lateral wall of heat transfer case 201 for reduce the probability of heat loss in the waste gas, guarantee thermal recovery in the waste gas and recycle the effect.
In addition, be connected with air pipe 202 on the heat transfer case 201, air pipe 202 is connected with the input tube of waste gas, and waste gas can carry out the heat transfer before entering into spray column main part 1 internal treatment promptly to improve the effect of recycling of heat in the waste gas, avoid the loss of heat energy extravagant.
Specifically, the exhaust gas purification mechanism in the heat exchange box 201 is used for purifying harmful substances in the exhaust gas and also for pretreating the exhaust gas, and the exhaust gas purification mechanism comprises a ring pipe 203 for installing a plurality of first spray heads 204.
In addition, be connected with a plurality of spliced poles between the top wall on annular pipe 203 and the heat transfer case 201 for fixed annular pipe 203 is equipped with a plurality of circumference evenly distributed's first shower nozzle 204 on the annular pipe 203, utilizes first shower nozzle 204 can spray the purifying liquid 206 in the liquid storage box 205, and then can play the effect of harmful substance in the purification waste gas, avoids the harmful substance in the waste gas to pollute heat-transfer liquid 209.
Preferably, the positions of the annular pipe 203 and the first nozzle 204 are shown with reference to fig. 2.
Referring to fig. 2 to 9, a liquid storage box 205 is disposed on an upper side of the heat exchange box 201 for containing a purifying liquid 206, and the purifying liquid 206 in the liquid storage box 205 is used to purify harmful substances in the exhaust gas, so as to prevent the harmful substances in the exhaust gas from polluting the heat exchange liquid 209 and ensure the purity of the heat exchange liquid 209.
Wherein, the liquid storage box 205 is connected with a communicating pipe, the communicating pipe passes through the heat exchange box 201 and is communicated with the annular pipe 203, the communicating pipe is used for conveying the purifying liquid 206 in the liquid storage box 205 to the annular pipe 203, and the purifying liquid is discharged through the plurality of first nozzles 204 on the annular pipe 203 and is used for purifying harmful substances in the waste gas.
In addition, a control valve is installed on the communicating pipe, and the control valve is used for controlling the infiltration speed of the purification liquid 206, so that the injection speed of the purification liquid 206 can be controlled, and the purification liquid 206 can be adjusted in real time according to the proportion of harmful substances in the exhaust gas.
Specifically, be equipped with purifying liquid 206 in the liquid storage box 205, purifying liquid 206 erupts through first shower nozzle 204 for purify the harmful substance in the waste gas, avoid the harmful substance in the waste gas to pollute heat-transfer liquid 209, guarantee the result of use of staff to heat-transfer liquid 209.
Preferably, the purification liquid 206 is a commercially available purification liquid for saving the cost of the working personnel, and meanwhile, when the purification liquid 206 contacts the heat exchange liquid 209, the purification liquid 206 can be prevented from polluting the heat exchange liquid 209.
Referring to fig. 2-9, a central plate 207 and a film 208 are disposed inside the heat exchange box 201, the central plate 207 is connected to the film 208, the film 208 is connected to the inner wall of the heat exchange box 201, the central plate 207 is used for installing an insertion tube 210, the insertion tube 210 is slidably connected to the central plate 207, and the film 208 is used for rotatably penetrating through the purification liquid 206, so that the purification liquid 206 can enter the heat exchange liquid 209, and waste of the purification liquid 206 is avoided.
Preferably, the membrane 208 is an elastic membrane, and the surface of the membrane 208 is provided with a plurality of capillary holes for passing the purifying liquid 206 on the membrane 208.
Wherein, the intussuseption of heat transfer case 201 is filled with heat transfer liquid 209, utilizes heat transfer liquid 209 to carry out the heat transfer to containing thermal waste gas, and then avoids thermal loss, improves holistic environmental protection and recycles the effect.
In addition, an insertion pipe 210 is inserted into the center of the central plate 207, and one end of the insertion pipe 210 is inserted into the heat exchange liquid 209 to guide and convey the circulation of the primarily purified exhaust gas, so that the exhaust gas can enter the heat exchange liquid 209, and the heat exchange liquid 209 is utilized to exchange heat, thereby realizing the reutilization of heat energy resources.
Specifically, a pair of branch pipes 211 are connected to the side wall of the insertion pipe 210 located in the heat exchange liquid 209 for installing a plurality of second nozzles 212, and the inside of the branch pipes 211 communicates with the inside of the insertion pipe 210, so that the exhaust gas with heat enters the branch pipes 211 through the insertion pipe 210.
In addition, install a plurality of evenly distributed's second shower nozzle 212 on the bronchus 211, waste gas after being purified enters into bronchus 211 through insert tube 210 in, rethread second shower nozzle 212 is discharged, be used for forming continuous bubble in heat transfer liquid 209, the bubble is used for increasing gaseous and heat transfer liquid 209's contact effect, make waste gas can fully contact with heat transfer liquid 209, guarantee the heat transfer effect of heat transfer liquid 209 and waste gas, can also increase the fusion effect of scavenging solution 206 and heat transfer liquid 209 simultaneously, avoid having harmful suspended substance in the heat transfer liquid 209, improve the purity of heat transfer liquid 209 greatly.
Referring to fig. 1 to 9, a metal mesh 213 and a filter cloth 214 are disposed in the heat exchange liquid 209, the filter cloth 214 is disposed on the upper side of the metal mesh 213, the metal mesh 213 and the filter cloth 214 are both disposed between the gas branch pipe 211 and the gas inlet pipe 101, and both the metal mesh 213 and the filter cloth 214 are used for blocking the precipitate in the heat exchange liquid 209, preventing the precipitate from floating upward, and preventing the discharged heat exchange liquid 209 from containing the precipitate, so that the worker can use the heat exchange liquid 209.
Preferably, the metal mesh 213 and the filter cloth 214 are arranged to achieve a graded impurity filtering effect, thereby preventing harmful substances from being discharged.
Wherein, the insertion tube 210 is connected with a limiting block 215 on the two side walls of the central plate 207 for limiting the sliding of the central plate 207 and preventing the central plate 207 from sliding out of the insertion tube 210 completely.
In addition, a drain pipe is arranged on the heat exchange box 201, and the drain pipe is arranged on the upper side of the filter cloth 214 and is used for discharging the clean heat exchange liquid 209 on the upper side of the filter cloth 214, so that the heat exchange liquid 209 can be conveniently used by the staff.
Referring to fig. 2 to 5, a impurity collecting box 3 is provided at one side of the heat exchange box 201 for collecting the purified harmful material in the exhaust gas.
Wherein, the impurity dropping pipe is arranged on one surface of the impurity collecting box 3 close to the heat exchange box 201, the impurity dropping pipe is used for dropping the harmful substances purified on the upper side of the film 208 so as to intensively collect and treat the harmful substances, the impurity dropping pipe is arranged by penetrating through the side wall of the heat exchange box 201, and the impurity dropping pipe is arranged on the upper side of the film 208.
In addition, the drawer 301 is arranged on the impurity collecting box 3, so that the workers can take out the harmful substances collected in the impurity collecting box 3 conveniently, and the harmful substances can be treated in a centralized manner.
Referring to fig. 2 to 9, the baffle 4 is installed on the inner wall of the heat exchange box 201, i.e., at the position shown in fig. 6, for guiding the flow of the exhaust gas, prolonging the purification time of the exhaust gas, and greatly improving the primary purification effect of the waste.
Wherein, the baffle 4 is arranged at the upper side of the film 208, a cavity 401 is arranged in the baffle 4 and is used for accommodating a winding disc 403, a rotating shaft 402 is arranged in the cavity 401 in a rotating way, the winding disc 403 is fixedly connected at the outer side of the rotating shaft 402, the winding disc 403 is used for winding a pull rope 404, when the pull rope 404 is wound, due to the elasticity of the film 208, the pulling rope 404 pulls the central plate 207 upward, at which time the film 208 is pulled, that is, in the state shown in fig. 6, the pore diameter of the capillary pores on the membrane 208 becomes larger, the purified liquid 206 on the upper side of the membrane 208 falls into the heat exchange liquid 209 through the capillary pores, is used for removing harmful substances in the heat exchange liquid 209 again, avoids the waste of the purifying liquid 206, can also improve the primary purifying effect of waste, meanwhile, the membrane 208 in the inclined state can guide the flow of the deposited harmful substances, so that the harmful substances on the upper side of the membrane 208 can enter the impurity collecting box 3 through the impurity dropping pipe to be collected.
In addition, a pair of pulling ropes 404 are wound on the winding disc 403, and the pulling ropes 404 are connected with the central plate 207 through the baffle plate 4 and used for controlling the up-and-down movement of the central plate 207 so as to realize the elastic change of the film 208, ensure the passing of the purifying liquid 206 and realize the collection of impurities.
Specifically, be equipped with fixed block 405 in the cavity 401, pivot 402 link up the fixed block 405 setting for play the effect of stable pivot 402, avoid pivot 402 to appear rocking the phenomenon rotating the in-process.
In addition, a motor 406 is arranged in the baffle 4, and an output end of the motor 406 is connected with the rotating shaft 402 and is used for driving the rotating shaft 402 to rotate, so that the pulling and releasing of the pulling rope 404 can be realized.
Preferably, the motor 406 is a forward and reverse motor for driving the shaft 402 to rotate forward and reverse.
Referring to fig. 1 to 9, a plurality of purification balls 5 are provided in the purification liquid 206 for further improving the effect of the purification liquid 206 in purifying the harmful substances in the exhaust gas.
Wherein, the purification ball 5 comprises a protective layer 501 for protecting the base liquid 502 and the microorganism 503 to avoid the leakage of the base liquid 502 and the microorganism 503.
In addition, the inner side of the protection layer 501 is provided with a base liquid 502 and a plurality of microorganisms 503, the base liquid 502 is used for providing nutrition for the microorganisms 503, the microorganisms 503 are prevented from dying, the survival rate of the microorganisms 503 is guaranteed, and the microorganisms 503 are used for purifying harmful substances in waste gas again and preventing the harmful substances from polluting the heat exchange liquid 209.
Specifically, the heat receiving film 504 is disposed on the outer side of the protective layer 501, and when the purification ball 5 is released from the liquid storage tank 205, the heat receiving film 504 is broken by the exhaust gas flowing at a high speed, so that the microorganism 503 is separated from the protective layer 501, and the activity of the microorganism 503 can be used to purify the harmful substances in the exhaust gas again, thereby reducing the work load of the spray tower main body 1.
When the device is used specifically, a worker connects the gas conveying pipe 202 with a waste gas input end, waste gas containing heat enters the heat exchange box 201 through the gas conveying pipe 202, the control valve on the communicating pipe is opened, the purifying liquid 206 in the liquid storage box 205 enters the annular pipe 203 along the liquid storage box 205 under the action of gravity, the purifying liquid is sprayed out under the action of the first spray nozzles 204 on the annular pipe 203 and contacts with the waste gas containing heat entering the heat exchange box 201 through the gas conveying pipe 202, and the purifying liquid 206 is used for wrapping harmful substances in the waste gas to enable the harmful substances to be deposited on the film 208, so that the harmful substances in the waste gas can be purified, and the heat exchange liquid 209 is prevented from being polluted by the harmful substances;
in addition, when the purification balls 5 in the purification liquid 206 are discharged from the liquid storage tank 205, the heated membrane 504 is broken under the action of the continuously circulating waste gas when encountering the waste gas, so that the base liquid 502 and the microorganisms 503 in the protective layer 501 are leaked out, and the harmful substances in the waste gas can be purified again by utilizing the activity of the microorganisms 503, thereby greatly improving the purification effect of the waste gas;
the purified waste gas flows between the baffle plate 4 and the central plate 207, and the baffle plate 4 can prolong the purification time of the waste gas and greatly improve the purification effect of the waste gas;
waste gas enters the heat exchange liquid 209 through the insertion pipe 210 or enters the branch pipe 211 through the insertion pipe 210, and is ejected under the action of the second nozzles 212 on the branch pipe 211 to form a plurality of bubbles in the heat exchange liquid 209, and the bubbles can increase the contact effect of the waste gas and the heat exchange liquid 209, so that the heat exchange effect of the heat exchange liquid 209 is improved, the loss of heat energy is also avoided, and the overall heat energy reutilization rate is improved;
the waste gas after heat exchange is filtered by the metal mesh 213 and the filter cloth 214, and then enters the spray tower main body 1 through the air inlet pipe 101 for treatment;
substances in the waste gas precipitated by the heat exchange liquid 209 cannot float upwards under the blocking of the metal mesh 213 and the filter cloth 214, so that the heat exchange liquid 209 on the upper side is pure, and a worker can discharge the pure heat exchange liquid 209 through a liquid discharge pipe so as to use the pure heat exchange liquid 209 for heat exchange;
the worker can also control the motor 406 to operate, the motor 406 drives the rotating shaft 402 to rotate, the rotating shaft 402 drives the winding disc 403 to synchronously rotate, the winding disc 403 can wind the pulling rope 404 when rotating, the pulling rope 404 pulls the central plate 207 to ascend, at the moment, the film 208 is pulled to be in the state shown in fig. 6, as the film 208 is obliquely arranged, the precipitated impurities on the film 208 enter the impurity collecting box 3 through the impurity dropping pipe to be collected, meanwhile, the pore diameter of the capillary holes on the film 208 is enlarged, the purification liquid 206 on the upper side of the film 208 falls into the heat exchange liquid 209 through the capillary holes, and is fully mixed with the heat exchange liquid 209 under the action of a plurality of bubbles in the heat exchange liquid 209, so that the harmful substances in the heat exchange liquid 209 can be removed again, the harmful substances in the waste gas can be removed, the burden of the spray tower main body 1 can be relieved, the heat exchange liquid 209 can be purified, and excessive harmful substances in the heat exchange liquid 209 can be avoided, is convenient for the use of the working personnel.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an energy recovery type energy-concerving and environment-protective exhaust-gas treatment spray column which characterized in that includes:
the spray tower comprises a spray tower main body (1), wherein the lower bottom of the spray tower main body (1) is connected with an air inlet pipe (101), and the air inlet pipe (101) is used for injecting waste gas;
the environment-friendly heat exchange mechanism (2) is arranged on one side of the spray tower main body (1), is communicated with the air inlet pipe (101), and is used for recycling heat in the waste gas;
the environment-friendly heat exchange mechanism (2) comprises a heat exchange box (201), a gas conveying pipe (202) is connected to the heat exchange box (201), a waste gas purification mechanism in the heat exchange box (201) is used for purifying harmful substances in waste gas and also used for pretreating the waste gas, a central plate (207) and a film (208) are arranged in the heat exchange box (201), the central plate (207) is connected with the film (208), the film (208) is connected with the inner wall of the heat exchange box (201), heat exchange liquid (209) is filled in the heat exchange box (201), an insertion pipe (210) is inserted in the center of the central plate (207), and one end of the insertion pipe (210) is inserted in the heat exchange liquid (209);
and the impurity collecting box (3) is arranged on one side of the heat exchange box (201) and is used for collecting purified harmful substances in the waste gas.
2. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower as claimed in claim 1, wherein one end of the air inlet pipe (101) is inserted into the heat exchange box (201), and the air inlet pipe (101) is arranged between the membrane (208) and the heat exchange liquid (209).
3. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower as claimed in claim 1, wherein the waste gas purification mechanism comprises a ring-shaped pipe (203), a plurality of connecting columns are connected between the ring-shaped pipe (203) and the top wall of the heat exchange box (201), and a plurality of first spray heads (204) are uniformly distributed on the circumference of the ring-shaped pipe (203).
4. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower as claimed in claim 3, wherein a liquid storage tank (205) is arranged on the upper side of the heat exchange tank (201), a communicating pipe is connected to the liquid storage tank (205), the communicating pipe is communicated with the annular pipe (203) by penetrating through the heat exchange tank (201), and a purifying liquid (206) is arranged in the liquid storage tank (205).
5. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower according to claim 4, wherein a plurality of purification balls (5) are arranged in the purification liquid (206), the purification balls (5) comprise a protection layer (501), and a base liquid (502) and a plurality of microorganisms (503) are arranged on the inner side of the protection layer (501).
6. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower as claimed in claim 5, wherein a heat receiving film (504) is arranged on the outer side of the protective layer (501).
7. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower as claimed in claim 1, wherein a pair of branch gas pipes (211) are connected to the side wall of the insertion pipe (210) located in the heat exchange liquid (209), and a plurality of second spray heads (212) are uniformly distributed on the branch gas pipes (211).
8. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower as claimed in claim 7, wherein the inside of the branch pipe (211) is communicated with the inside of the inserting pipe (210).
9. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower of claim 7, wherein a metal mesh (213) and a filter cloth (214) are arranged in the heat exchange liquid (209), the filter cloth (214) is arranged on the upper side of the metal mesh (213), and the metal mesh (213) and the filter cloth (214) are both arranged between the branch gas pipe (211) and the gas inlet pipe (101).
10. The energy-recovery energy-saving environment-friendly waste gas treatment spray tower as claimed in claim 1, wherein a surface of the impurity collecting box (3) close to the heat exchange box (201) is provided with impurity dropping pipes, the impurity dropping pipes are arranged through the side wall of the heat exchange box (201), the impurity dropping pipes are arranged on the upper side of the film (208), and the impurity collecting box (3) is provided with a drawer (301).
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| CN114849465B (en) | 2023-09-08 |
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