CN114251968A - Evaporate and press production of aerated concrete with evaporating cauldron waste heat environmental protection recovery equipment - Google Patents
Evaporate and press production of aerated concrete with evaporating cauldron waste heat environmental protection recovery equipment Download PDFInfo
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- CN114251968A CN114251968A CN202111589863.3A CN202111589863A CN114251968A CN 114251968 A CN114251968 A CN 114251968A CN 202111589863 A CN202111589863 A CN 202111589863A CN 114251968 A CN114251968 A CN 114251968A
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- waste heat
- pipe
- autoclave
- heat recovery
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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
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0014—Recuperative heat exchangers the heat being recuperated from waste air or from vapors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
Abstract
The invention discloses an autoclave waste heat environment-friendly recovery device for producing autoclaved aerated concrete slabs, which comprises an autoclave main body, a waste heat recovery mechanism and a gas fragrance mechanism, wherein the autoclave main body is provided with a heat exchanger; the middle part of the upper end of the still kettle main body is connected with a pressure discharge pipe, and the pressure discharge pipe is communicated with the inside of the still kettle main body and used for conveying high-temperature gas in the still kettle main body and further reducing the air pressure in the still kettle main body. According to the invention, through the arrangement of the corresponding mechanism, waste heat recovery can be carried out on the autoclave for producing the concrete plate, the loss of heat in high-temperature gas in the autoclave is greatly reduced, the utilization rate of heat energy resources in the high-temperature gas released by the autoclave is greatly improved, the requirement of environmental protection production is ensured, meanwhile, the high-temperature gas can be prevented from being directly discharged into the air, the probability of the temperature rise of the air around the autoclave is greatly reduced, workers are prevented from being burnt, the effect of protecting the workers can be achieved to a certain extent, and the potential safety production hazard can be reduced.
Description
Technical Field
The invention belongs to the technical field of concrete slab production equipment, and particularly relates to an autoclave waste heat environment-friendly recovery device for producing autoclaved aerated concrete slabs.
Background
Concrete slabs mainly comprise reinforced concrete and prestressed concrete, and other reinforcing materials such as steel wire meshes, steel fibers or other fibers are applied to the concrete slabs. The reinforced concrete slab is a slab made of reinforced concrete material, is a basic structure or a member in house buildings and various engineering structures, is commonly used as a roof, a floor, a platform, a wall, a retaining wall, a foundation, a terrace, a pavement, a pool and the like, and has extremely wide application range.
When the existing reinforced concrete slab is produced, an autoclave is needed, the autoclave is also called a steam curing autoclave and a pressure curing autoclave, is a large pressure container with large volume and heavy weight, is mainly used in the field of building materials such as aerated concrete blocks, concrete pipe piles, sand-lime bricks, coal-ash bricks, microporous calcium silicate boards, novel light wall materials, heat-insulating asbestos boards, high-strength gypsum and the like, and achieves the steam curing effect of the building materials by completing the hydrothermal reaction of Cao-Si 02-H2O in the autoclave.
After the autoclave completes the operation on the concrete slab, a worker firstly needs to open the autoclave door of the autoclave so as to release the high-temperature gas in the autoclave, and the autoclave door can be completely opened to take out the concrete slab after the pressure in the autoclave is reduced. However, the existing still kettle is lack of a waste heat recovery device for high-temperature gas, so that heat in the released high-temperature gas is easily lost, the waste rate of heat energy resources is increased, the requirement of environmental protection production is not met, meanwhile, the high-temperature gas is discharged into the air, the air temperature near the still kettle is also increased, when workers work nearby, the workers are easily burnt by the high-temperature gas, and certain potential safety production hazards exist.
Therefore, in order to solve the technical problems, a still kettle waste heat environment-friendly recovery device for producing an autoclaved aerated concrete slab is needed.
Disclosure of Invention
The invention aims to provide environment-friendly waste heat recovery equipment for an autoclave for producing autoclaved aerated concrete slabs, and aims to solve the problem of waste of heat energy resources caused by the lack of waste heat recovery equipment in the autoclave for producing the concrete slabs.
In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:
an autoclave waste heat environment-friendly recovery device for producing autoclaved aerated concrete slabs comprises an autoclave main body, a waste heat recovery mechanism and a gas aromatic mechanism;
the middle part of the upper end of the still kettle main body is connected with a pressure relief pipe, and the pressure relief pipe is communicated with the inside of the still kettle main body and used for conveying high-temperature gas in the still kettle main body and further reducing the air pressure in the still kettle main body;
the waste heat recovery mechanism is arranged on one side of the autoclave main body and connected with the other end of the pressure discharge pipe and used for recycling waste heat of high-temperature gas conveyed by the pressure discharge pipe, the waste heat recovery mechanism comprises a waste heat recovery tank, the waste heat recovery tank is hollow, an air-permeable impurity-blocking film is arranged in the waste heat recovery tank, an air gathering cavity and a heat exchange cavity are formed between the air-permeable impurity-blocking film and the inner wall of the waste heat recovery tank, the pressure discharge pipe is inserted in the air gathering cavity, heat exchange liquid is filled in the heat exchange cavity and used for absorbing heat in the high-temperature gas, a material taking plate is in threaded connection with the center of the bottom wall of the waste heat recovery tank and is connected with a sealing gasket, the sealing gasket is arranged in the air gathering cavity, a plurality of air vents which are uniformly distributed circumferentially are chiseled on the upper top surface of the waste heat recovery tank, and metal meshes are arranged in the air vents, the heat exchange cavity is communicated with the outside through a vent hole;
the gas aroma mechanism is arranged on the upper end face of the waste heat recovery tank, and the pressure discharge pipe penetrates through the gas aroma mechanism and is used for changing the gas taste after waste heat recycling, so that the working environment of workers is improved.
Furthermore, the pressure discharge pipe is provided with an electromagnetic valve for controlling the circulation of high-temperature gas;
the outer side of the pressure discharge pipe is wrapped with a heat insulation layer for avoiding heat loss of high-temperature gas in the conveying process, so that the utilization rate of heat energy resources is improved;
one end of the pressure discharge pipe, which is far away from the autoclave main body, is connected with a metal connecting pipe for playing a role in heat transfer, namely, when high-temperature gas flows in the metal connecting pipe, the metal connecting pipe can be heated under the action of heat radiation of the high-temperature gas;
the metal connecting pipe is made of heat-conducting metal and penetrates through the waste heat recovery tank and is inserted in the air collecting cavity.
Further, be equipped with the barrier plate in the heat transfer chamber, it has a plurality of evenly distributed's bleeder vent to cut on the lateral wall of barrier plate, the diameter of barrier plate is greater than the diameter that the miscellaneous membrane was hindered in the ventilation, the barrier plate is used for playing and blocks the miscellaneous expanded effect of membrane of ventilation resistance, avoids breathing out to hinder in the miscellaneous membrane because of gathering the gas intracavity high temperature gas capacity too much and explode, and then is used for guaranteeing to breathe out to hinder the security of miscellaneous membrane.
Furthermore, the sealing gasket is made of rubber and is used for sealing the material taking plate and the waste heat recovery tank, so that high-temperature gas is prevented from leaking from a gap between the material taking plate and the waste heat recovery tank, and the waste heat recycling effect of the high-temperature gas is ensured;
get the flitch and be located the one side outside the waste heat recovery jar is connected with the handle, makes things convenient for the staff rotatory flitch of getting, and then takes off and get the flitch, handles the filtration impurity of converging the gas intracavity.
Furthermore, a liquid feeding pipe and a liquid discharging pipe are connected to the side wall of the waste heat recovery tank, the liquid feeding pipe and the liquid discharging pipe are both communicated with the heat exchange cavity, the liquid feeding pipe is used for supplementing heat exchange liquid in the heat exchange cavity for workers, and the liquid discharging pipe is used for discharging heat exchange liquid after heat absorption, so that heat conversion of high-temperature gas is realized, and the waste heat recycling effect of the high-temperature gas is improved;
and the liquid feeding pipe and the liquid discharging pipe are respectively provided with a control valve for controlling the on-off of the liquid feeding pipe and the liquid discharging pipe and avoiding the leakage of high-temperature gas.
Further, the gas fragrance mechanism comprises an accommodating box, and the accommodating box is arranged on the upper side of the waste heat recovery tank and is used for accommodating fragrance;
the air vent is arranged on the end face of the waste heat recovery tank inside the containing box, so that air exhausted through the air vent can enter the containing box and contact with an aromatic in the containing box, the smell of the exhausted air is changed, and air near the waste heat recovery mechanism is humidified, and the working environment of workers is improved.
Furthermore, an aromatic agent is arranged in the containing box and used for changing the taste of the gas after the waste heat is recycled;
the upper end surface of the containing box is provided with a plurality of uniformly distributed air diffusing holes for discharging gas for improving smell;
the utility model discloses a waste heat recovery device, including metal connecting pipe, heated ring, heat ring and aromatic, the metal connecting pipe is located and holds and be connected with the heated ring on the lateral wall in the box, the heated ring contacts with aromatic, and the heated ring is the heat conduction metal material, and the heated ring is used for absorbing the heat of metal connecting pipe transmission, and then makes the heated ring heat up, utilizes the heated ring of intensification to make aromatic melt, and then is used for changing exhaust gas's taste and carries out the humidification to near the air of waste heat recovery mechanism, reaches the purpose that improves staff operational environment.
Furthermore, the pressure discharge pipe is provided with an impurity removing mechanism for filtering impurities in the high-temperature gas;
impurity removal mechanism is including removing miscellaneous pipe, remove miscellaneous pipe and calandria pipe threaded connection for hold first screen cloth and second screen cloth, remove the intraductal first screen cloth and the second screen cloth that is equipped with of miscellaneous, first screen cloth is located and is removed miscellaneous pipe and be close to evaporate one side of pressing the cauldron main part, first screen cloth and second screen cloth are arranged in the impurity of hierarchical filtration high temperature gas, avoid in the impurity among the high temperature gas enters into heat transfer liquid, guarantee the clean of heat transfer liquid, thereby improve high temperature gas's environmental protection and utilize the effect greatly.
Furthermore, the mesh ratio of the first screen and the second screen is 1:2, the first screen and the second screen are used for filtering impurities in the high-temperature gas in a grading manner, the inner diameters of the first screen and the second screen are equal to the inner diameter of the impurity removing pipe, the high-temperature gas is prevented from leaking from seams between the first screen and the inner wall of the impurity removing pipe and between the second screen and the inner wall of the impurity removing pipe, and the filtering effect of the first screen and the second screen on the high-temperature gas is guaranteed.
Furthermore, the lower end of the impurity removal pipe is fixedly connected with an impurity collection box for collecting the impurities filtered by the first screen and the second screen so as to carry out centralized treatment on the impurities and improve the overall environment-friendly treatment effect;
the side wall of the impurity collecting box is connected with a pair of discharging pipes, the pair of discharging pipes are respectively arranged corresponding to the first screen and the second screen, the interior of the impurity removing pipe is communicated with the interior of the impurity collecting box through the discharging pipes, and the pair of discharging pipes are used for respectively receiving impurities in high-temperature gas filtered by the first screen and the second screen.
Compared with the prior art, the invention has the following advantages:
according to the invention, through the arrangement of the corresponding mechanism, waste heat recovery can be carried out on the autoclave for producing the concrete plate, the loss of heat in high-temperature gas in the autoclave is greatly reduced, the utilization rate of heat energy resources in the high-temperature gas released by the autoclave is greatly improved, the requirement of environmental protection production is ensured, meanwhile, the high-temperature gas can be prevented from being directly discharged into the air, the probability of the temperature rise of the air around the autoclave is greatly reduced, workers are prevented from being burnt, the effect of protecting the workers can be achieved to a certain extent, and the potential safety production hazard can be reduced.
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 autoclave waste heat environmental protection recycling apparatus for producing autoclaved aerated concrete slabs according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a heat recovery mechanism 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 cross-sectional view of an impurity removal mechanism in accordance with an embodiment of the present invention;
FIG. 6 is a schematic view of the structure of FIG. 5 at C;
FIG. 7 is a schematic view of the structure of FIG. 5 at D;
fig. 8 is a schematic structural diagram at E in fig. 5.
In the figure: 1. the device comprises a still kettle main body, 101, a pressure discharge pipe, 102, a metal connecting pipe, 2, a waste heat recovery mechanism, 201, a waste heat recovery tank, 202, an air-permeable impurity-blocking film, 203, an air-gathering cavity, 204, a heat exchange cavity, 205, heat exchange liquid, 206, a blocking plate, 207, air holes, 208, a material taking plate, 209, a sealing gasket, 210, a handle, 211, a metal net, 212, a liquid adding pipe, 213, a liquid discharge pipe, 3, a gas fragrance mechanism, 301, an accommodating box, 302, fragrance, 303, air diffusing holes, 304, a heat receiving ring, 4, an impurity removing mechanism, 401, an impurity removing pipe, 402, a first screen, 403, a second screen, 404, a rotating shaft, 405, a fan blade, 406, a fixing plate, 407, bristles, 408, an impurity collecting box, 409, a discharging pipe, 410, an ion generator, 411, an installation pipe, 412 and a spray head.
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 environment-friendly autoclave waste heat recovery device for producing autoclaved aerated concrete slabs, which is shown in a figure 1-8 and comprises an autoclave main body 1, a waste heat recovery mechanism 2, a gas aromatic mechanism 3 and an impurity removal mechanism 4.
Wherein, the middle part of the upper end of the still kettle main body 1 is connected with a pressure discharge pipe 101, the pressure discharge pipe 101 is communicated with the inside of the still kettle main body 1 and is used for conveying high-temperature gas in the still kettle main body 1 and further reducing the air pressure in the still kettle main body 1, and a worker can conveniently open the cover door of the still kettle main body 1.
In addition, install the solenoid valve on the pressure pipe 101 for the circulation of control high-temperature gas, the outside parcel of pressure pipe 101 has the heat preservation, is used for avoiding high-temperature gas thermal loss in transportation process, and then improves the utilization ratio of heat energy resource.
Specifically, the one end that pressure exhaust pipe 101 kept away from still kettle main part 1 is connected with metal connecting pipe 102, a role in heat transfer is played, when having high-temperature gas to flow in metal connecting pipe 102, metal connecting pipe 102 can receive the effect of high-temperature gas heat radiation and heat up, metal connecting pipe 102 can transmit the temperature for receiving hot ring 304, make receiving hot ring 304 also heat up, utilize the ring 304 that receives of rising temperature to make aromatic 302 take place to melt, a purpose for changing exhaust gas's taste and humidifying to the near air of waste heat recovery mechanism 2, reach the purpose that improves the staff's environment.
Preferably, the metal connecting pipe 102 is made of a heat conducting metal material, and the metal connecting pipe 102 penetrates through the waste heat recovery tank 201 and is inserted into the air collecting cavity 203 to absorb part of heat in the high-temperature gas, so that the heated ring 304 is heated, the aromatic agent 302 is melted, the aromatic agent 302 is not required to be melted by other heating mechanisms, and the purposes of energy conservation and environmental protection can be achieved to a certain extent.
Referring to fig. 1-4, the waste heat recovery mechanism 2 is disposed on one side of the autoclave main body 1, and is connected to the other end of the pressure discharge pipe 101, so as to recycle the waste heat of the high-temperature gas delivered by the pressure discharge pipe 101, improve the heat energy recycling of the high-temperature gas, and simultaneously prevent the high-temperature gas from being directly discharged into the air, so as to avoid the burn of the worker and ensure the safety of the worker.
Wherein, waste heat recovery mechanism 2 includes waste heat recovery jar 201, and the inside cavity of waste heat recovery jar 201 sets up for hold heat transfer liquid 205, utilize heat transfer liquid 205 to carry out the heat transfer, improve the effect of recycling of heat energy resource in the high-temperature gas, avoid thermal loss, thereby play the purpose of environmental protection production.
In addition, the waste heat recovery tank 201 is internally provided with the air-permeable impurity-blocking film 202, the air-permeable impurity-blocking film 202 can only be used for gas to pass through, and the heat exchange liquid 205 and impurities cannot pass through, so that the effect of blocking the heat exchange liquid 205 can be achieved, the effect of separating impurities from high-temperature gas can also be achieved, and the heat exchange liquid 205 is prevented from being polluted.
Specifically, an air collecting cavity 203 and a heat exchange cavity 204 are formed between the air permeable impurity blocking film 202 and the inner wall of the waste heat recovery tank 201, the pressure exhaust pipe 101 is inserted into the air collecting cavity 203, the air collecting cavity 203 is used for collecting high-temperature gas, so that the high-temperature gas enters the heat exchange liquid 205 through the air permeable impurity blocking film 202 to exchange heat, the heat exchange cavity 204 is used for containing the heat exchange liquid 205, heat exchange is carried out by utilizing the heat exchange liquid 205, and the effect of waste heat recycling is achieved.
In addition, heat transfer liquid 205 is filled in heat transfer chamber 204, and heat transfer liquid 205 is arranged in absorbing the heat in the high temperature gas, and then can realize that the waste heat of high temperature gas recycles, improves the environmental protection reproduction effect of autoclaving cauldron main part 1, and the discharge of high temperature gas also can be avoided in the soil mountain, avoids the staff that the high temperature gas burns.
Preferably, the heat exchange liquid 205 is water, and the heat in the high-temperature gas is absorbed by the water to realize the conversion of heat energy, so that the hot water can be reused by the staff.
Referring to fig. 1 to 4, a blocking plate 206 is disposed in the heat exchange cavity 204, a plurality of air holes 207 are uniformly distributed on a side wall of the blocking plate 206, a diameter of the blocking plate 206 is larger than a diameter of the air-permeable impurity-blocking film 202, the blocking plate 206 is used for blocking expansion of the air-permeable impurity-blocking film 202, so as to prevent explosion of the air-permeable impurity-blocking film 202 due to too much high-temperature gas capacity in the air-collecting cavity 203, further ensure safety of the air-permeable impurity-blocking film 202, and ensure blocking effect of the air-permeable impurity-blocking film 202 on the heat exchange liquid 205 and impurities.
Preferably, the positions of the air-permeable impurity-blocking film 202, the heat exchange liquid 205, the barrier plate 206 and the air-permeable holes 207 are shown with reference to fig. 2 to 4.
Wherein, threaded connection has the flitch 208 of getting in the bottom wall center department of waste heat recovery jar 201, gets to be connected with sealed the pad 209 on the flitch 208, sealed pad 209 is located in the air chamber 203 that converges, and the staff can take out by ventilative impurity that hinders the filterable impurity of miscellaneous membrane 202 in the air chamber 203 through getting the flitch 208 to carry out centralized processing to impurity, avoid the impurity among the high temperature gas to pollute heat-transfer liquid 205, guarantee the clean of heat-transfer liquid 205, improve holistic environmental protection effect.
In addition, get flitch 208 and be located the outer one side of waste heat recovery jar 201 and be connected with handle 210, make things convenient for the staff to rotate and get flitch 208, and then take off and get flitch 208, handle by filterable impurity in converging gas chamber 203, improve the effect of environmental protection production.
Specifically, when the impurity in the chamber 203 of converging is not taken out, under the effect of continuous circulation high temperature gas, can blow impurity and carry out random motion in the chamber 203 of converging, the impurity of random motion can strike the surface that the miscellaneous membrane 202 is hindered in the gas permeation for the miscellaneous membrane 202 of gas permeation hinders and vibrates, is used for separating impurity and ventilative miscellaneous membrane 202 that hinders, avoids the impurity adhesion in the high temperature gas to hinder miscellaneous membrane 202 surface in the gas permeation, guarantees to breathe freely to hinder miscellaneous membrane 202 to high temperature gas's transmissivity.
In addition, the last top surface of waste heat recovery jar 201 is opened chisel and is had a plurality of circumference evenly distributed's air vent for the gas that is heat-exchanged in the heat transfer chamber 204 enters into through the air vent and holds in the box 301, in the effect of cooperation aromatic 302, is used for humidifying, improving staff's operational environment, improves staff's mood.
In addition, a metal mesh 211 is arranged in the vent hole, the heat exchange cavity 204 is communicated with the outside through the vent hole, and the metal mesh 211 is used for blocking the aromatic agent 302, so that the aromatic agent 302 is prevented from entering the heat exchange liquid 205, and the cleanness of the heat exchange liquid 205 is ensured.
Preferably, the sealing gasket 209 is made of rubber and is used for sealing the material taking plate 208 and the waste heat recovery tank 201, so that the leakage of high-temperature gas from the gap between the material taking plate 208 and the waste heat recovery tank 201 is avoided, the waste heat recycling effect of the high-temperature gas is ensured, the requirement of environmental protection production is met, and the burn of workers caused by the high-temperature gas can be avoided.
Referring to fig. 2 to 4, a liquid feeding pipe 212 and a liquid discharging pipe 213 are connected to a side wall of the waste heat recovery tank 201, the liquid feeding pipe 212 and the liquid discharging pipe 213 are both communicated with the heat exchange cavity 204, the liquid feeding pipe 212 is used for supplementing the heat exchange liquid 205 in the heat exchange cavity 204 for a worker, and the liquid discharging pipe 213 is used for discharging the heat exchange liquid 205 after heat absorption, so as to realize heat conversion of high-temperature gas and improve the waste heat recycling effect of the high-temperature gas.
Wherein, the liquid feeding pipe 212 and the liquid discharging pipe 213 are both provided with control valves for controlling the on-off of the liquid feeding pipe 212 and the liquid discharging pipe 213, and the leakage of high temperature gas can be avoided.
Referring to fig. 1 to 4, the gas fragrance mechanism 3 is disposed on an upper end surface of the waste heat recovery tank 201, and the pressure discharge pipe 101 is disposed through the gas fragrance mechanism 3, and is used for changing the taste of the gas after waste heat recycling, and further improving the working environment of the worker.
Wherein, gaseous fragrant mechanism 3 is including holding box 301, holds box 301 and locates the upside of waste heat recovery jar 201 for hold aromatic 302, avoid aromatic 302 to be polluted by external impurity.
In addition, the vent hole is provided on the end surface of the residual heat recovery tank 201 inside the housing box 301, that is, in the state shown in fig. 2, so that the gas exhausted through the vent hole can enter the housing box 301 to contact with the aromatic agent 302 inside the housing box 301, for changing the taste of the exhausted gas and humidifying the air near the residual heat recovery mechanism 2, thereby improving the working environment of the worker.
Preferably, the aromatic agent 302 is a commercially available aromatic agent, which is easily available and is used for cost saving.
Specifically, an aromatic agent 302 is arranged in the containing box 301, and the aromatic agent 302 is used for changing the smell of the gas after the waste heat is recycled.
In addition, the upper end surface of the accommodating box 301 is provided with a plurality of uniformly distributed air diffusing holes 303 for discharging odor-improving gas, improving the working environment of workers and protecting the safety of the workers to a certain extent.
Preferably, the metal connecting pipe 102 is located and is connected with heated ring 304 on the lateral wall that holds in the box 301, heated ring 304 contacts with aromatic agent 302, and heated ring 304 is heat conduction metal material, heated ring 304 is used for absorbing the heat that metal connecting pipe 102 transmitted, and then makes heated ring 304 heat up, utilize the ring 304 that is heated of intensification to make aromatic agent 302 melt, and then be used for changing exhaust gas's taste and carry out the humidification to the near air of waste heat recovery mechanism 2, reach the purpose that improves staff's operational environment.
Referring to fig. 1 to 8, the impurity removing mechanism 4 is installed on the pressure discharge pipe 101, and is used for pre-filtering impurities in the high-temperature gas, preventing the impurities in the high-temperature gas from polluting the heat exchange liquid 205, ensuring the cleanness of the heat exchange liquid 205, and further achieving the effect of environmental utilization.
Wherein, impurity removal mechanism 4 is including removing miscellaneous pipe 401, remove miscellaneous pipe 401 and the pressure pipe 101 threaded connection of pressure of row, a be used for holding first screen cloth 402 and second screen cloth 403, remove to be equipped with first screen cloth 402 and second screen cloth 403 in the miscellaneous pipe 401, first screen cloth 402 is located and is removed miscellaneous pipe 401 and be close to the one side of evaporating still cauldron main part 1, first screen cloth 402 and second screen cloth 403 are arranged in the impurity of stage filtration high temperature gas, avoid impurity among the high temperature gas to enter into heat transfer liquid 205 in, guarantee heat transfer liquid 205's clean, thereby improve high temperature gas's environmental protection and utilize the effect greatly.
Preferably, the mesh ratio of the first screen 402 to the second screen 403 is 1:2, and the first screen 402 and the second screen 403 are both equal to the inner diameter of the impurity removing pipe 401, so that the high-temperature gas is prevented from leaking from the joints between the first screen 402 and the inner wall of the impurity removing pipe 401 and the second screen 403, and the filtering effect of the first screen 402 and the second screen 403 on the high-temperature gas is ensured.
In addition, a rotating shaft 404 is rotatably connected between the first screen 402 and the second screen 403 and is used for connecting fan blades 405 and a fixing plate 406, both ends of the rotating shaft 404 are connected with fan blades 405, the pair of fan blades 405 are symmetrically arranged about the central axis of the rotating shaft 404, when high-temperature gas flows in the impurity removing pipe 401, the high-temperature gas can contact with the fan blades 405 and rotate the fan blades 405, the fan blades 405 can drive the rotating shaft 404 to rotate, the fixing plate 406 and the brush bristles 407 can be driven to rotate, the surfaces of the first screen 402 and the second screen 403 are respectively subjected to rolling brushing by the aid of the pair of rotating brush bristles 407, the first screen 402 and the second screen 403 are prevented from being blocked, and the continuous filtering effect of the first screen 402 and the second screen 403 on impurities in the high-temperature gas is ensured.
Preferably, the arrangement of the pair of fan blades 405 can ensure the driving force of the fan blades 405 on the rotating shaft 404, and avoid the situation that the rotating shaft 404 is not driven to rotate due to the over-low flowing speed of the high-temperature gas.
Specifically, a pair of fixing plates 406 is fixedly connected to the side wall of the rotating shaft 404, the pair of fixing plates 406 is respectively disposed corresponding to the first screen 402 and the second screen 403, and the pair of fixing plates 406 are disposed at a side close to the main body 1 of the autoclave, that is, in the state shown in fig. 5 to 8, the fixing plates 406 are used for installing bristles 407 and simultaneously for generating spiral gas from the high-temperature gas in the impurity removing pipe 401.
In addition, the fixed plate 406 is fixedly connected with bristles 407, and the bristles 407 are used for rolling and brushing the surfaces of the first screen 402 and the second screen 403, so that the first screen 402 and the second screen 403 are prevented from being blocked, and the continuous filtering effect of the first screen 402 and the second screen 403 on impurities in high-temperature gas is ensured.
Referring to fig. 5 to 8, a impurity collecting box 408 is fixedly connected to a lower end of the impurity removing pipe 401, and is used for collecting impurities filtered by the first screen 402 and the second screen 403, so as to perform centralized treatment on the impurities, and improve the overall environment-friendly treatment effect.
Preferably, a through pipe is connected between the impurity collecting tank 408 and the impurity removing pipe 401, and is used for collecting impurities between the first screen 402 and the second screen 403, so that the impurity collecting effect is improved.
The side wall of the impurity collecting box 408 is connected with a pair of discharging pipes 409, the pair of discharging pipes 409 are respectively arranged corresponding to the first screen 402 and the second screen 403, the interior of the impurity removing pipe 401 is communicated with the interior of the impurity collecting box 408 through the discharging pipes 409, and the pair of discharging pipes 409 are used for respectively receiving impurities in the high-temperature gas filtered by the first screen 402 and the second screen 403.
Preferably, the first screen 402, the second screen 403, the fixing plate 406, the bristles 407, the impurity collecting box 408 and the blanking pipe 409 are positioned as shown in fig. 5 to 8.
In addition, the upper end of roguing pipe 401 is connected with ion generator 410 for produce the ion, utilize the ion to wrap up the impurity in the high temperature gas for the whole quality of impurity increases, subsides under the effect of gravity, guarantees the removal effect to impurity in the high temperature gas.
Specifically, remove the last top wall of miscellaneous pipe 401 and install installation pipe 411, be used for installing a plurality of shower nozzles 412, installation pipe 411 is connected with ion generator 410, be equipped with a plurality of shower nozzles 412 on the installation pipe 411, and the diameter of shower nozzle 412 increases progressively in proper order, namely the diameter of leftmost shower nozzle 412 is the minimum in fig. 5, the diameter of rightmost shower nozzle 412 is the biggest in fig. 5, be used for forming different injection angle's ion curtain, when high-temperature gas passes through the ion curtain, make high-temperature gas can fully contact with the ion curtain, improve the removal effect to impurity in the high-temperature gas greatly, avoid the pollution that impurity in the high-temperature gas caused heat exchange liquid 205, guarantee holistic environmental protection effect.
In addition, the spray angles of the different spray heads 412 are shown with reference to FIG. 5.
When the autoclave is used specifically, when the cover door of the autoclave body 1 needs to be opened, the electromagnetic valve on the pressure exhaust pipe 101 is preferentially opened, and high-temperature gas in the autoclave body 1 is conveyed in the pressure exhaust pipe 101;
the ion generator 410 is synchronously turned on, the ion generator 410 can generate ions, the ions are sprayed into the impurity removing pipe 401 through the mounting pipe 411 and the spray head 412, and the diameters of the spray head 412 are sequentially increased from left to right, so that the spray head 412 can form ion curtains with different spraying angles, namely the state shown in fig. 5, and the effect of removing impurities in high-temperature gas is greatly improved through the arrangement of multiple layers of ion curtains;
when high-temperature gas in the pressure relief pipe 101 enters the impurity removal pipe 401, the high-temperature gas is filtered by the first screen 402 and then wrapped by the multiple layers of ion curtains between the first screen 402 and the second screen 403, part of the impurities are wrapped by ions, the mass of the impurities is increased, the impurities are settled under the action of gravity, and the other part of small-particle impurities are filtered by the second screen 403 with denser meshes along with the flowing of the high-temperature gas, so that the removal effect of the impurities in the high-temperature gas is greatly improved;
because the rotating shaft 404 is arranged between the first screen 402 and the second screen 403, and the fan blade 405 is arranged on the rotating shaft 404, when high-temperature gas flows, the high-temperature gas can contact with the fan blade 405, and the fan blade 405 rotates, the fan blade 405 drives the rotating shaft 404 to rotate, and further drives the fixing plate 406 and the brush bristles 407 to rotate, when the brush bristles 407 rotate, the high-temperature gas is used for rolling and brushing impurities on the surfaces of the first screen 402 and the second screen 403, so that the first screen 402 and the second screen 403 are prevented from being blocked by the impurities, the continuous filtering effect of the first screen 402 and the second screen 403 on the impurities in the high-temperature gas is ensured, the rolled and brushed impurities enter the impurity collecting box 408 through the discharging pipe 409, and the impurities settled by ions enter the impurity collecting box 408 through the through pipe, so that the impurities are collected in a centralized manner, the environment pollution by the impurities is avoided, and the whole environment-friendly treatment effect is improved;
meanwhile, when the fan blades 405 rotate, high-temperature gas can be changed into rotary air flow, and further can be in full contact with the ion curtain, so that the effect of removing impurities by ions is greatly improved, part of ions are conveyed in the pressure discharge pipe 101 through the second screen 403 along with the high-temperature gas, and impurities can be wrapped in the conveying process to achieve the purpose of settling the impurities;
when the high-temperature gas in the pressure discharge pipe 101 passes through the metal connecting pipe 102, part of heat is transferred to the metal connecting pipe 102, the metal connecting pipe 102 transfers the heat to the heated ring 304, so that the heated ring 304 is heated, and the heated ring 304 can melt the aromatic agent 302;
the high-temperature gas in the metal connecting pipe 102 enters the gas collecting cavity 203 and is collected in the gas collecting cavity 203, and as the gas permeable impurity-blocking film 202 has a gas permeable effect, the high-temperature gas in the gas collecting cavity 203 can extrude the gas permeable impurity-blocking film 202 along with the gradual increase of the high-temperature gas in the gas collecting cavity 203 and enters the heat exchange liquid 205 in the heat exchange cavity 204 through the gas permeable impurity-blocking film 202, and when the high-temperature gas passes through the gas permeable impurity-blocking film 202, the gas permeable impurity-blocking film 202 can play a role in further filtering impurities, so that the impurity pollution to the heat exchange liquid 205 is avoided, and the environment-friendly recycling effect of the heat exchange liquid 205 is ensured;
along with the gradual flow of the high-temperature gas, the high-temperature gas can blow impurities in the gas gathering cavity 203, so that the impurities move randomly in the gas gathering cavity 203, the randomly moving impurities can impact the gas-permeable impurity-blocking film 202, the surface of the gas-permeable impurity-blocking film 202 vibrates, the impurities are prevented from adhering to the gas-permeable impurity-blocking film 202, and the continuous transmittance of the gas-permeable impurity-blocking film 202 is ensured;
the high-temperature gas entering the heat exchange liquid 205 through the gas-permeable impurity-blocking film 202 transfers heat to the heat exchange liquid 205, so that the heat exchange liquid 205 is heated, a worker can recycle the heated heat exchange liquid 205 conveniently, other heating mechanisms are not needed to heat the heat exchange liquid 205, and the effect of recycling waste heat of the heat in the high-temperature gas is achieved;
the gas after heat exchange enters the accommodating box 301 through the vent holes, blows the aromatic agent 302, and is discharged through the air diffusing holes 303, and the discharged gas is mixed with water vapor in the heat exchange liquid 205, so that the gas is used for humidifying the surrounding air environment, changing the taste of the gas, improving the working environment of workers, improving the working enthusiasm of the workers to a certain extent, preventing the workers from being burnt by the high-temperature gas, and opening the cover door on the autoclave main body 1 after the high-temperature gas in the autoclave main body 1 is released;
the staff can regularly clear up the impurity in meeting air cavity 203 and the collection miscellaneous case 408 to carry out centralized processing to impurity, avoid impurity polluted environment, thereby can improve holistic environmental protection effect.
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 evaporate and press production of aerated concrete board with evaporating cauldron waste heat environmental protection recovery equipment which characterized in that includes:
the steam-pressure kettle comprises a steam-pressure kettle main body (1), wherein the middle part of the upper end of the steam-pressure kettle main body (1) is connected with a pressure relief pipe (101), and the pressure relief pipe (101) is communicated with the inside of the steam-pressure kettle main body (1) and is used for conveying high-temperature gas in the steam-pressure kettle main body (1) and further reducing the air pressure in the steam-pressure kettle main body (1);
the waste heat recovery mechanism (2) is arranged on one side of the autoclave main body (1), is connected with the other end of the pressure discharge pipe (101), and is used for recycling waste heat of high-temperature gas conveyed by the pressure discharge pipe (101);
wherein the waste heat recovery mechanism (2) comprises a waste heat recovery tank (201), the waste heat recovery tank (201) is hollow, an air permeable and impurity-blocking film (202) is arranged in the waste heat recovery tank (201), an air gathering cavity (203) and a heat exchange cavity (204) are formed between the air permeable and impurity-blocking film (202) and the inner wall of the waste heat recovery tank (201), the pressure discharge pipe (101) is inserted in the air gathering cavity (203), the heat exchange cavity (204) is filled with heat exchange liquid (205), the heat exchange liquid (205) is used for absorbing heat in high-temperature gas, a material taking plate (208) is in threaded connection with the center of the bottom wall of the waste heat recovery tank (201), a sealing gasket (209) is connected onto the material taking plate (208), the sealing gasket (209) is arranged in the air gathering cavity (203), and a plurality of vent holes uniformly distributed circumferentially are formed in the upper top surface of the waste heat recovery tank (201), a metal net (211) is arranged in the vent hole, and the heat exchange cavity (204) is communicated with the outside through the vent hole;
the gas aromatic mechanism (3) is arranged on the upper end face of the waste heat recovery tank (201), and the pressure discharge pipe (101) penetrates through the gas aromatic mechanism (3) and is used for changing the gas taste after waste heat recycling and further improving the working environment of workers.
2. The environment-friendly autoclave waste heat recovery equipment for producing autoclaved aerated concrete panels according to claim 1, wherein the pressure discharge pipe (101) is provided with an electromagnetic valve, the outer side of the pressure discharge pipe (101) is wrapped with a heat insulation layer, one end of the pressure discharge pipe (101) far away from the autoclave main body (1) is connected with a metal connecting pipe (102), the metal connecting pipe (102) is made of heat-conducting metal, and the metal connecting pipe (102) penetrates through the waste heat recovery tank (201) and is inserted into the gas collection cavity (203).
3. The environment-friendly autoclave waste heat recovery equipment for producing autoclaved aerated concrete panels according to claim 1, wherein a blocking plate (206) is arranged in the heat exchange cavity (204), a plurality of uniformly distributed air holes (207) are drilled in the side wall of the blocking plate (206), and the diameter of the blocking plate (206) is larger than that of the air-permeable impurity-blocking film (202).
4. The environment-friendly autoclave waste heat recovery equipment for producing autoclaved aerated concrete panels as claimed in claim 1 wherein the gasket (209) is made of rubber, and the handle (210) is connected to the surface of the material taking plate (208) located outside the waste heat recovery tank (201).
5. The environment-friendly autoclave waste heat recovery equipment for producing autoclaved aerated concrete panels according to claim 1, wherein a liquid feeding pipe (212) and a liquid discharging pipe (213) are connected to the side wall of the waste heat recovery tank (201), the liquid feeding pipe (212) and the liquid discharging pipe (213) are both communicated with the heat exchange cavity (204), and control valves are mounted on the liquid feeding pipe (212) and the liquid discharging pipe (213).
6. The autoclave waste heat environment-friendly recycling equipment for producing autoclaved aerated concrete slabs as claimed in claim 2, wherein said gas aromatic mechanism (3) comprises a containing box (301), said containing box (301) is arranged on the upper side of said waste heat recycling tank (201), and said vent hole is arranged on the end face of the waste heat recycling tank (201) inside the containing box (301).
7. The environment-friendly autoclave waste heat recovery equipment for producing autoclaved aerated concrete panels as claimed in claim 6, wherein an aromatic agent (302) is arranged in the containing box (301), the aromatic agent (302) is used for changing the smell of the gas after the waste heat is recycled, a plurality of uniformly distributed air dispersing holes (303) are formed in the upper end face of the containing box (301), the side wall of the metal connecting pipe (102) in the containing box (301) is connected with a heated ring (304), the heated ring (304) is in contact with the aromatic agent (302), and the heated ring (304) is made of heat conducting metal.
8. The autoclave waste heat environment-friendly recovery equipment for producing autoclaved aerated concrete slabs according to claim 1, wherein an impurity removing mechanism (4) is installed on the pressure exhaust pipe (101) and used for filtering impurities in high-temperature gas, the impurity removing mechanism (4) comprises an impurity removing pipe (401), the impurity removing pipe (401) is in threaded connection with the pressure exhaust pipe (101), a first screen (402) and a second screen (403) are arranged in the impurity removing pipe (401), and the first screen (402) is arranged on one side, close to the autoclave main body (1), of the impurity removing pipe (401).
9. The environment-friendly autoclave waste heat recovery equipment for producing autoclaved aerated concrete panels according to claim 8, wherein the mesh ratio of the first screen (402) to the second screen (403) is 1:2, and the inner diameters of the first screen (402) and the second screen (403) are equal to the inner diameter of the impurity removal pipe (401).
10. The environment-friendly autoclave waste heat recovery equipment for producing autoclaved aerated concrete panels as claimed in claim 8, wherein the lower end of the impurity removing pipe (401) is fixedly connected with an impurity collecting box (408), the side wall of the impurity collecting box (408) is connected with a pair of discharging pipes (409), the pair of discharging pipes (409) are respectively arranged corresponding to the first screen (402) and the second screen (403), the interior of the impurity removing pipe (401) is communicated with the interior of the impurity collecting box (408) through the discharging pipes (409), and the pair of discharging pipes (409) are used for respectively receiving impurities in high-temperature gas filtered by the first screen (402) and the second screen (403).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111589863.3A CN114251968B (en) | 2021-12-23 | 2021-12-23 | Evaporate and press production of aerated concrete with evaporating cauldron waste heat environmental protection recovery equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111589863.3A CN114251968B (en) | 2021-12-23 | 2021-12-23 | Evaporate and press production of aerated concrete with evaporating cauldron waste heat environmental protection recovery equipment |
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| CN114251968A true CN114251968A (en) | 2022-03-29 |
| CN114251968B CN114251968B (en) | 2022-11-01 |
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|---|---|
| CN114251968B (en) | 2022-11-01 |
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