CN114393683A - Evaporate and press aerated concrete block steam waste heat recovery and utilize system - Google Patents
Evaporate and press aerated concrete block steam waste heat recovery and utilize system Download PDFInfo
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- CN114393683A CN114393683A CN202210063903.9A CN202210063903A CN114393683A CN 114393683 A CN114393683 A CN 114393683A CN 202210063903 A CN202210063903 A CN 202210063903A CN 114393683 A CN114393683 A CN 114393683A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
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Abstract
The invention discloses a steam waste heat recycling system for autoclaved aerated concrete blocks, which belongs to the technical field of an autoclave, and comprises a main autoclave body, a lining sleeve and a movable sleeve, wherein the lining sleeve is fixedly assembled on the inner wall of the main autoclave body, the movable sleeve is slidably assembled between the main autoclave body and the lining sleeve, the movable sleeve is provided with an air guide groove, an exhaust component is arranged in the air guide groove, the exhaust component comprises a plurality of rotary discs, the rotary discs are provided with air guide ports for quantitatively outputting waste heat steam in the main autoclave body, and a driving mechanism for driving the movable sleeve to directionally slide, the invention can circularly drive the movable sleeve to move through the driving mechanism in a cooling stage through the movable sleeve arranged between the main autoclave body and the lining sleeve, so that the waste heat steam in the main autoclave body is quantitatively conveyed out of the autoclave body through the exhaust component, and the uniform cooling of the autoclave body is realized, and residual waste heat steam in the kettle body can flow circularly, so that the uniform dispersion of heat is ensured.
Description
Technical Field
The invention belongs to the technical field of still kettles, and particularly relates to a steam waste heat recycling system for an autoclaved aerated concrete block.
Background
The autoclaved aerated concrete block is a porous silicate block which is prepared by adding aluminum powder serving as an air-entraining agent into a mixture of a calcareous material and a siliceous material, adding water, stirring, casting and molding, carrying out gas generation and expansion, precuring and cutting, and then carrying out high-pressure steam curing.
The still kettle uses steam as a heat source, actually, only latent heat of the steam is used, saturated condensate water formed by steam condensation contains a large amount of unused heat, and a conventional still kettle directly empties a kettle body after maintenance is finished, so that heat loss of the steam is caused, therefore, in order to save the heat source, the still kettle needs to pour steam or exchange heat and recover residual exhaust steam after maintenance is finished, but in the exhaust process of the residual exhaust steam, a building block in a cooling stage can generate large temperature tensile stress under the condition of large exhaust temperature difference, so that a concrete structure of a concrete building block cracks, and quality defects of products are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the embodiment of the invention aims to provide a steam waste heat recycling system for an autoclaved aerated concrete block, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an evaporate and press aerated concrete block steam waste heat recovery and utilize system, includes cauldron body component, cauldron body component includes the main cauldron body and kettle cover, waste heat recovery and utilize system still includes:
the inner lining wall assembly comprises an inner lining sleeve and air inlet grooves, the inner lining sleeve is fixedly assembled on the inner wall of the main kettle body, a plurality of air inlet grooves are distributed on the inner lining sleeve, and the air inlet grooves are distributed on the inner lining sleeve in an array manner;
the sleeve mechanism comprises two groups of movable sleeves, the two groups of movable sleeves are arranged on two sides of the inner wall of the main kettle body in a mirror image mode and are assembled between the main kettle body and the lining sleeve in a sliding mode, a plurality of air guide grooves are distributed in the movable sleeves in an array mode, the air guide grooves are matched with the air inlet grooves, a sealing element is assembled at one end of each movable sleeve, the sealing element is assembled between the main kettle body and the lining sleeve in an elastic sliding mode through an elastic element, an abutting element is assembled at the other end of each movable sleeve, the abutting element is arranged between the main kettle body and the lining sleeve in a sliding mode, an air exhaust cavity is arranged between the movable sleeves and the main kettle body, and an air inlet cavity is arranged between the movable sleeves and the lining sleeve;
the exhaust component comprises a plurality of rotary discs, the rotary discs are rotatably assembled in the plurality of air guide grooves and are connected with the air guide grooves in a sliding and sealing manner, two groups of air guide ports are formed in the rotary discs and communicated with each other, and the rotary discs are used for quantitatively conveying the waste heat steam in the main kettle body to one side of the exhaust cavity in the process of rotating along with the movable sleeve;
the driving mechanism is arranged between the abutting pieces on the two sides and used for driving the movable sleeve to slide between the main kettle body and the lining sleeve through the abutting pieces, the driving mechanism comprises two groups of sliders, a chute frame, a driving block and a driving screw rod, the two groups of sliders are arranged between the main kettle body and the lining sleeve in a sliding mode and fixedly connected through the chute frame, the driving block is assembled in the chute frame in a sliding mode and assembled and connected with the pressing wheel and used for driving the driving block to move through the pressing wheel so as to press the chute frame, and the chute frame drives the sliders to directionally slide between the main kettle body and the lining sleeve; and
and the air valve assembly is arranged on the main kettle body, is communicated with the exhaust cavity and is used for discharging the residual heat steam in the exhaust cavity to the outside of the main kettle body.
As a further aspect of the present invention, the kettle member further comprises:
the rotary frame is arranged on one side of the main kettle body, and is provided with an assembling bridge which is assembled and connected with the kettle cover; and
the guide rail is arranged in the main kettle body, and a carrier is assembled on the guide rail and used for movably bearing the concrete block to be subjected to positive pressure curing.
As a further scheme of the invention, the inner lining wall assembly further comprises heat exchange water pipes, wherein the heat exchange water pipes are distributed in the inner lining sleeve and are distributed among the air inlet grooves at intervals and are distributed along the kettle body direction of the main kettle body.
As a further aspect of the present invention, the sleeve mechanism further includes:
the fixing columns are fixedly distributed in the air guide groove and are coaxially arranged with the air guide groove; and
and the air penetrating holes are distributed on the fixed columns, and the opening direction of the fixed columns is matched with the distribution direction of the air guide holes, so that when the rotary disc rotates between the main kettle body and the lining sleeve, the air guide holes in the rotary disc are communicated with the air penetrating holes, and waste heat steam on one side of the air inlet cavity body passes through the air guide holes and enters one side of the exhaust cavity body.
As a further aspect of the present invention, the exhaust member further includes:
the tooth edge groove is distributed on one side of the rotary disc, faces one side of the lining sleeve and is used for rotationally connecting the rotary disc and the lining sleeve; and
and the air penetrating ports are distributed among the air guide ports and are used for communicating the air guide ports.
As a further aspect of the present invention, the driving mechanism further includes:
the sliding wheel is assembled on the sliding piece and is connected with the main kettle body and the lining sleeve in a rolling way;
the pressing wheel is arranged on the driving block and is connected with the chute frame in a sliding manner;
the guide columns are fixedly arranged in front of the main kettle body and the lining sleeve and used for limiting the movement direction of the driving block; and
and the driving machine is arranged on the main kettle body, is assembled and connected with the driving screw and is used for driving the driving screw to rotate.
As a further aspect of the present invention, the gas valve assembly includes:
the one-way valve nozzle is arranged close to one side of the abutting part and used for limiting the flow direction of the waste heat steam in the exhaust cavity; and
the gas collecting pipe is arranged on the main kettle body, one end of the gas collecting pipe is communicated with the one-way valve nozzle, the other end of the gas collecting pipe is communicated with an exhaust main pipe, and the exhaust main pipe is used for outputting waste heat steam inside the main kettle body to low-level heat energy equipment.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the invention, the lining sleeves distributed in the main kettle body and the movable sleeves movably distributed between the main kettle body and the lining sleeves can circularly drive the movable sleeves at two sides of the main kettle body to move through the driving mechanism in the cooling stage, so that the residual heat steam in the main kettle body is quantitatively conveyed to the outside of the kettle body through the exhaust components on the movable sleeves, thus uniform cooling of the kettle body is realized, the residual heat steam in the kettle body can be driven to circularly flow, and uniform dispersion of steam heat is ensured.
Drawings
Fig. 1 is a schematic perspective sectional view of a steam waste heat recycling system for an autoclaved aerated concrete block provided in an embodiment of the present invention.
Fig. 2 is a rear view of a three-dimensional structure of the steam waste heat recycling system for the autoclaved aerated concrete block provided in an embodiment of the present invention.
Fig. 3 is a schematic side structure view of the steam waste heat recycling system for the autoclaved aerated concrete block provided in an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a graphic mark a in the steam waste heat recycling system for autoclaved aerated concrete blocks provided in an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a graphic mark B in the steam waste heat recycling system for autoclaved aerated concrete blocks provided in an embodiment of the present invention.
Fig. 6 is a schematic perspective view of a driving mechanism in the steam waste heat recycling system for autoclaved aerated concrete blocks provided in an embodiment of the present invention.
Reference numerals: 1-kettle body component, 101-main kettle body, 102-kettle cover, 103-revolving frame, 104-connecting bridge, 105-guide rail, 106-carrier, 2-lining wall component, 201-lining sleeve, 202-air inlet groove, 203-heat exchange water pipe, 3-sleeve mechanism, 301-moving sleeve, 302-sealing element, 303-elastic element, 304-air guide groove, 305-fixed column, 306-air through hole, 307-abutting element, 4-exhaust component, 401-revolving disc, 402-tooth edge groove, 403-air guide hole, 404-air through hole, 5-exhaust cavity group, 501-exhaust cavity, 502-air inlet cavity, 6-driving mechanism, 601-sliding element, 602-sliding wheel, 603-inclined groove frame, 604-driving block, 605-pressing wheel, 606-guide column, 607-driving screw rod, 608-driving machine, 7-air valve component, 701-one-way valve nozzle, 702-air gathering pipe and 703-exhaust manifold.
Detailed Description
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 6, the steam waste heat recycling system for the autoclaved aerated concrete block in an embodiment of the present invention includes a kettle member 1, the kettle member 1 includes a main kettle 101 and a kettle cover 102, and the waste heat recycling system further includes: the inner lining wall assembly 2 comprises an inner lining sleeve 201 and air inlet grooves 202, the inner lining sleeve 201 is fixedly assembled on the inner wall of the main kettle body 101, a plurality of air inlet grooves 202 are distributed on the inner lining sleeve 201, and the air inlet grooves 202 are distributed on the inner lining sleeve 201 in an array; the sleeve mechanism 3 comprises two groups of movable sleeves 301, the two groups of movable sleeves 301 are arranged on two sides of the inner wall of the main kettle body 101 in a mirror image mode and are assembled between the main kettle body 101 and the lining sleeve 201 in a sliding mode, a plurality of air guide grooves 304 are arranged on the movable sleeves 301 in an array mode, the air guide grooves 304 are matched with the air inlet grooves 202, one end of each movable sleeve 301 is provided with a sealing element 302, the sealing element 302 is assembled between the main kettle body 101 and the lining sleeve 201 in an elastic sliding mode through an elastic element 303, the other end of each movable sleeve 301 is provided with an abutting element 307, the abutting element 307 is arranged between the main kettle body 101 and the lining sleeve 201 in a sliding mode, an exhaust cavity 501 is arranged between the movable sleeves 301 and the main kettle body 101, and an air inlet cavity 502 is arranged between the movable sleeves 301 and the lining sleeve 201; the exhaust member 4 comprises a plurality of rotary discs 401, the rotary discs 401 are rotatably assembled in the plurality of air guide grooves 304 and are connected with the air guide grooves 304 in a sliding and sealing manner, two groups of air guide ports 403 are formed in the rotary discs 401, and the two groups of air guide ports 403 are communicated and used for quantitatively conveying the residual heat steam in the main kettle body 101 to one side of the exhaust cavity 501 in the process of rotating along with the movable sleeve 301; the driving mechanism 6 is arranged between the abutting pieces 307 on the two sides and used for driving the movable sleeve 301 to slide between the main kettle body 101 and the lining sleeve 201 through the abutting pieces 307, the driving mechanism 6 comprises two groups of sliding pieces 601, a chute frame 603, a driving block 604 and a driving screw 607, the two groups of sliding pieces 601 are arranged between the main kettle body 101 and the lining sleeve 201 in a sliding manner and fixedly connected through the chute frame 603, the driving block 604 is assembled in the chute frame 603 in a sliding manner, and the driving block 604 is assembled and connected with the pressing wheel 605 and used for driving the driving block 604 to move through the pressing wheel 605 so as to press the chute frame 603, so that the chute frame 603 drives the sliding pieces 601 to directionally slide between the main kettle body 101 and the lining sleeve 201; and the air valve assembly 7 is arranged on the main kettle body 101, communicated with the exhaust cavity 501 and used for discharging residual heat steam in the exhaust cavity 501 to the outside of the main kettle body 101.
In practical application, when the steam waste heat recycling system is used for steam pressure maintenance of the building blocks, the building blocks to be maintained in the static stop stage are firstly sent into the kettle body of the main kettle body 101, high-temperature and high-pressure steam gas is introduced into the kettle body, the temperature rise speed is controlled to be between 10 ℃ and 25 ℃ between the temperature rise stage and the constant temperature stage, the strength of the concrete building blocks starts to increase rapidly after the temperature reaches the constant temperature stage, the temperature is controlled to be between 80 ℃ and 90 ℃ at the moment, 90% to 100% of relative humidity is ensured, and the building blocks enter the temperature drop stage after the constant temperature stage is completed.
In the process of the cooling stage, because the concrete is already hardened, if the cooling rate is too fast, a cooling gradient with a large temperature difference is formed, a large temperature tensile stress is generated, cracks are generated on the surface of the concrete, and the concrete structure of the concrete is damaged, at this time, in the process of cooling, the driving screw 607 arranged at one side of the main kettle body 101 is driven to rotate, the driving block 604 at one side of the driving screw 607 can be driven to directionally slide between the main kettle body 101 and the lining sleeve 201, and the driving block 604 is slidably assembled in the chute frame 603, so that in the process of moving, the chute frame 603 can be driven to directionally slide between the main kettle body 101 and the lining sleeve 201, and the sliding pieces 601 at two sides of the chute frame 603 are driven to synchronously slide, when the sliding piece 601 at one side of the chute frame 603 is driven to slide towards the side far away from the driving block 604, the sliding piece 601 is preferentially abutted against the abutting piece 307, and presses the abutting part 307 to slide between the main kettle body 101 and the lining sleeve 201, and simultaneously drives the moving sleeve 301 to move.
When the movable sleeve 301 slides between the main kettle body 101 and the lining sleeve 201, the rotary disk 401 rotatably assembled in the air guide groove 304 is movably clamped with the wall surface of the lining sleeve 201 in the moving process and drives the rotary disk 401 to rotate, when the air guide port 403 on the rotary disk 401 rotates to one side of the notch of the air guide groove 304, because one side of the lining sleeve 201 is communicated with the inner cavity of the main kettle body 101 through the air inlet groove 202, and the air inlet cavity 502 is arranged between the lining sleeve 201 and the movable sleeve 301, when the air guide port 403 at one end rotates to one side of the air inlet cavity 502, the high-pressure waste heat steam contained in the air inlet cavity 502 passes through the air guide port 403 under the action of pressure and flows towards one side of the exhaust cavity 501, and fills the cavity at one side of the exhaust cavity 501 under the action of pressure, when the sliding piece 601 is reset in the reverse rotation process of the driving screw 607, the movable sleeve 301 is reversely reset under the elastic force of the sealing element 302 and the elastic element 303 at one side, at this time, the rotary disc 401 in the movable sleeve 301 reversely rotates to enable the gas guide ports 403 at two sides to be re-closed, and after the movable sleeve 301 is reset, the abutting element 307 at one side of the movable sleeve 301 slides to one side of the gas valve assembly 7 to enable the gas valve assembly 7 to be communicated with the exhaust cavity 501, under the pressure effect of high-temperature steam, the gas passes through the gas valve assembly 7 to be conveyed to the outside of the kettle body and can be conveyed to other pressure boosting kettles or can be conveyed to a flash tank to perform gas-liquid separation of supersaturated fluid, at this time, two groups of movable sleeves 301 at two sides of the sliding part 601 can realize alternate residual heat steam output in the reciprocating motion process of the sliding part 601, and can enable residual heat steam in the kettle body to circularly flow due to air flow disturbance driven by exhaust gas in the alternating output process, the heat in the waste heat steam is uniformly distributed on the building blocks, and the stable cooling in the cooling process is ensured.
And the rotary disk 401 is in the pivoted in-process, the rotation angle of leading gas port 403 relative to air guide groove 304 is positive correlation with the rotation angle of rotary disk 401, and the rotation angle of rotary disk 401 is linear correlation with the sliding distance of moving sleeve 301, therefore through controlling the rotation angle of drive screw 607 can control the sliding distance of slider 601 one side to control the sliding distance of moving sleeve 301, so that the angle of inclining of leading gas port 403 relative to air guide groove 304 is controllable, be convenient for carry out accurate control to the discharge amount of waste heat steam, and through a plurality of exhaust members 4 of synchronous motion, can make the discharge amount of waste heat steam stable controllable, thereby realize the stable exhaust in the cooling process.
In one case of this embodiment, the flange structures between the multistage kettles of the main kettle 101 and between the kettle cover 102 and the main kettle 101 are all processed by integral forging, and the integrity of the kettle is determined by ultrasonic nondestructive testing, so that the kettle meets the national standard of JB/T4730.3.
In one case of this embodiment, a kettle door associated safety lock and a pressure detection table are provided between the main kettle body 101 and the kettle cover 102, which are common technical means in a reaction kettle, and are not described in detail here.
In one aspect of this embodiment, the low-level thermal energy equipment of the autoclave includes a static room heat supply equipment, a boiler water preheating equipment, a maintenance pool, a heat exchanger, and the like.
Referring to fig. 1 and 2, in a preferred embodiment of the invention, the kettle body member 1 further comprises: the rotary frame 103 is arranged on one side of the main kettle body 101, an assembling bridge 104 is assembled on the rotary frame 103, and the assembling bridge 104 is assembled and connected with the kettle cover 102; and the guide rails 105 are arranged inside the main kettle body 101, and carriers 106 are assembled on the guide rails 105 and used for movably bearing concrete blocks to be subjected to positive pressure curing.
In practical applications of the present embodiment, the kettle cover 102 is assembled on the main kettle body 101 through the revolving frame 103 and the mounting bridge 104, in the present embodiment, the main kettle body 101 may be a through kettle body, or an end kettle structure kettle body, and this is not limited specifically here.
In one aspect of this embodiment, the kettle body is after the cooling stage, and is pumped to vacuum through the vacuum pump with the internal portion of kettle, opens the kettle door after the building block temperature and pressure are stable and let in air to the internal portion of kettle through the safety handle ball valve to ensure that the phase difference value of the temperature of the tapping channel and the outdoor temperature is not greater than 40 ℃.
Referring to fig. 3, in a preferred embodiment of the present invention, the inner lining wall assembly 2 further includes heat exchange water pipes 203, and the heat exchange water pipes 203 are disposed inside the inner lining sleeve 201 and spaced between the air inlet slots 202, and are disposed along the kettle direction of the main kettle 101.
This embodiment is when practical application, heat transfer water pipe 203 lays in the inside lining sleeve 201 of cauldron, can be under the pressure value of the internal portion of cauldron tends to standard atmospheric pressure, through the difficult condition of discharging waste heat steam of pressure effect under, through to the water that waits to preheat of continuous input in the heat transfer water pipe 203 of the internal portion of cauldron, can realize the quick heat exchange in the internal portion of cauldron, and heat exchange rate is relevant with the through-flow speed of water valve.
Referring to fig. 5, in a preferred embodiment of the present invention, the sleeve mechanism 3 further includes: the fixed columns 305 are fixedly arranged in the air guide groove 304 and are arranged coaxially with the air guide groove 304; the air penetrating holes 306 are arranged on the fixed columns 305, and the opening direction of the fixed columns 305 is matched with the arrangement direction of the air guide holes 403, so that when the rotary disc 401 rotates between the main kettle body 101 and the lining sleeve 201, the air guide holes 403 in the rotary disc 401 are communicated with the air penetrating holes 306, and waste heat steam on one side of the air inlet cavity 502 passes through the air guide holes 403 and the air inlet cavity 502 to enter one side of the exhaust cavity 501.
The exhaust member 4 further includes: the tooth edge groove 402 is distributed on one side of the rotary disc 401, faces one side of the lining sleeve 201, and is used for rotatably connecting the rotary disc 401 and the lining sleeve 201; and air vents 404, wherein the air vents 404 are arranged between the air guide ports 403 and are used for communicating the air guide ports 403.
In practical application of the present embodiment, when the rotary disk 401 is rotationally connected to the liner sleeve 201 through the tooth edge groove 402, the air guide ports 403 in the rotary disk 401 rotate along with the rotary disk 401 during rotation, and when the air guide ports 403 on both sides are rotated to one side of the air guide port 306, the air guide ports 403 are communicated with the air guide port 306 through the air guide ports 404 at the end of the air guide ports 403, and the air guide ports 403 are respectively communicated with the exhaust cavity 501 and the air inlet cavity 502, so as to achieve communication between the exhaust cavity 501 and the air inlet cavity 502, and at this time, the deflection angle of the air guide ports 403 relative to the air guide port 306 can be controlled by the sliding distance of the movable sleeve 301, so as to control the size of the gap between the air guide ports 403 and the air guide port 306, and facilitate control of the discharge amount of the waste heat steam.
Referring to fig. 4 and 6, in a preferred embodiment of the invention, the driving mechanism 6 further includes: the sliding wheel 602 is assembled on the sliding piece 601 and is connected with the main kettle body 101 and the lining sleeve 201 in a rolling way; the pressing wheel 605 is arranged on the driving block 604 and is connected with the chute frame 603 in a sliding manner; the guide posts 606 are fixedly arranged in front of the main kettle body 101 and the lining sleeve 201, and are used for limiting the movement direction of the driving block 604; and the driving machine 608 is arranged on the main kettle body 101, is assembled with the driving screw 607 and is used for driving the driving screw 607 to rotate.
In practical application, when the driving machine 608 can drive the driving screw 607 to rotate synchronously in the rotating process, because the driving block 604 is assembled and connected with the driving screw 607, and the driving block 604 is assembled and limited between the main kettle body 101 and the lining sleeve 201 through the guiding post 606, when the driving block 604 is driven by the driving screw 607 to slide on the guiding post 606, the chute 603 connected with the driving block 604 in a sliding manner through the pressing wheel 605 slides along the gap between the main kettle body 101 and the lining sleeve 201 under the pressure of the driving block 604, and the sliding direction is related to the rotating direction of the driving screw 607, when the chute 603 drives the sliding member 601 to move towards one side, the moving sleeve 301 on the side can be driven to move between the main kettle body 101 and the lining sleeve 201, and the moving sleeve 301 on the other side is in a stopped state, so that the moving sleeve 301 on one side drives the upper rotary disk 401 to move, and the residual heat steam in the kettle body is led out to the exhaust cavity 501 for discharging.
In one case of this embodiment, the driving machine 608 is preferably driven by a speed reducer, and the sliding distance of the driving block 604 can be controlled by the rotation of the linear driving screw 607, so that the discharge amount of the waste heat steam as a whole can be controlled, and the temperature can be ensured to be stably reduced within the set threshold value during the temperature reduction process.
Referring to fig. 2 and 4, in a preferred embodiment of the present invention, the valve assembly 7 includes: the one-way valve nozzle 701 is arranged close to one side of the abutting part 307 and used for limiting the flow direction of the waste heat steam in the exhaust cavity 501; the gas collecting pipe 702 is arranged on the main kettle body 101, one end of the gas collecting pipe 702 is communicated with the one-way valve nozzle 701, the other end of the gas collecting pipe 703 is communicated with an exhaust main pipe 703, and the exhaust main pipe 703 is used for outputting waste heat steam inside the main kettle body 101 to low-level heat energy equipment.
This embodiment is when practical application, the check valve mouth 701 is laid in butt 307 one side, works as the gliding in-process of butt 307 under the pushing action of slider 601 can carry out the shutoff to check valve mouth 701 one side for when waste heat steam gets into exhaust cavity 501, block that gas switches on to the cauldron external through check valve mouth 701, avoid causing revealing of the internal steam of cauldron, and can be connected the steam conduit of the internal both sides of cauldron through gas collecting pipe 702 and exhaust manifold 703, and utilize the one-way principle of switching on of check valve mouth 701 to prevent the gas reflux between the pipeline.
The steam waste heat recycling system for the autoclaved aerated concrete block is provided in the embodiment of the invention, and the lining sleeves 201 arranged in the main kettle body 101 and the moving sleeves 301 movably arranged between the main kettle body 101 and the lining sleeves 201 can circularly drive the moving sleeves 301 on two sides of the main kettle body 101 to move through the driving mechanism 6 in the cooling stage, so that the waste heat steam in the main kettle body 101 is quantitatively conveyed to the outside of the kettle body through the exhaust members 4 on the moving sleeves 301, the uniform cooling of the kettle body is realized, the residual waste heat steam in the kettle body can be driven to circularly flow, and the uniform dispersion of steam heat is ensured.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides an evaporate and press aerated concrete block steam waste heat recovery and utilize system, includes cauldron body component, cauldron body component includes the main cauldron body and kettle cover, its characterized in that, waste heat recovery and utilize system still includes:
the inner lining wall assembly comprises an inner lining sleeve and air inlet grooves, the inner lining sleeve is fixedly assembled on the inner wall of the main kettle body, a plurality of air inlet grooves are distributed on the inner lining sleeve, and the air inlet grooves are distributed on the inner lining sleeve in an array manner;
the sleeve mechanism comprises two groups of movable sleeves, the two groups of movable sleeves are arranged on two sides of the inner wall of the main kettle body in a mirror image mode and are assembled between the main kettle body and the lining sleeve in a sliding mode, a plurality of air guide grooves are distributed in the movable sleeves in an array mode, the air guide grooves are matched with the air inlet grooves, a sealing element is assembled at one end of each movable sleeve, the sealing element is assembled between the main kettle body and the lining sleeve in an elastic sliding mode through an elastic element, an abutting element is assembled at the other end of each movable sleeve, the abutting element is arranged between the main kettle body and the lining sleeve in a sliding mode, an air exhaust cavity is arranged between the movable sleeves and the main kettle body, and an air inlet cavity is arranged between the movable sleeves and the lining sleeve;
the exhaust component comprises a plurality of rotary discs, the rotary discs are rotatably assembled in the plurality of air guide grooves and are connected with the air guide grooves in a sliding and sealing manner, two groups of air guide ports are formed in the rotary discs and communicated with each other, and the rotary discs are used for quantitatively conveying the waste heat steam in the main kettle body to one side of the exhaust cavity in the process of rotating along with the movable sleeve;
the driving mechanism is arranged between the abutting pieces on the two sides and used for driving the movable sleeve to slide between the main kettle body and the lining sleeve through the abutting pieces, the driving mechanism comprises two groups of sliders, a chute frame, a driving block and a driving screw rod, the two groups of sliders are arranged between the main kettle body and the lining sleeve in a sliding mode and fixedly connected through the chute frame, the driving block is assembled in the chute frame in a sliding mode and assembled and connected with the pressing wheel and used for driving the driving block to move through the pressing wheel so as to press the chute frame, and the chute frame drives the sliders to directionally slide between the main kettle body and the lining sleeve; and
and the air valve assembly is arranged on the main kettle body, is communicated with the exhaust cavity and is used for discharging the residual heat steam in the exhaust cavity to the outside of the main kettle body.
2. The autoclaved aerated concrete block steam waste heat recycling system according to claim 1, wherein the kettle body member further comprises:
the rotary frame is arranged on one side of the main kettle body, and is provided with an assembling bridge which is assembled and connected with the kettle cover; and
the guide rail is arranged in the main kettle body, and a carrier is assembled on the guide rail and used for movably bearing the concrete block to be subjected to positive pressure curing.
3. The system for recycling steam waste heat of autoclaved aerated concrete blocks according to claim 1, wherein the lining wall assembly further comprises heat exchange water pipes, the heat exchange water pipes are arranged inside the lining sleeve and arranged between the air inlet grooves at intervals and arranged along the kettle body direction of the main kettle body.
4. The autoclaved aerated concrete block steam waste heat recycling system according to claim 1, wherein the sleeve mechanism further comprises:
the fixing columns are fixedly distributed in the air guide groove and are coaxially arranged with the air guide groove; and
and the air penetrating holes are distributed on the fixed columns, and the opening direction of the fixed columns is matched with the distribution direction of the air guide holes, so that when the rotary disc rotates between the main kettle body and the lining sleeve, the air guide holes in the rotary disc are communicated with the air penetrating holes, and waste heat steam on one side of the air inlet cavity body passes through the air guide holes and enters one side of the exhaust cavity body.
5. The autoclaved aerated concrete block steam waste heat recycling system according to claim 1, wherein the exhaust member further comprises:
the tooth edge groove is distributed on one side of the rotary disc, faces one side of the lining sleeve and is used for rotationally connecting the rotary disc and the lining sleeve; and
and the air penetrating ports are distributed among the air guide ports and are used for communicating the air guide ports.
6. The autoclaved aerated concrete block steam waste heat recycling system according to claim 1, wherein the driving mechanism further comprises:
the sliding wheel is assembled on the sliding piece and is connected with the main kettle body and the lining sleeve in a rolling way;
the pressing wheel is arranged on the driving block and is connected with the chute frame in a sliding manner;
the guide columns are fixedly arranged in front of the main kettle body and the lining sleeve and used for limiting the movement direction of the driving block; and
and the driving machine is arranged on the main kettle body, is assembled and connected with the driving screw and is used for driving the driving screw to rotate.
7. The autoclaved aerated concrete block steam waste heat recycling system according to claim 1, wherein the air valve assembly comprises:
the one-way valve nozzle is arranged close to one side of the abutting part and used for limiting the flow direction of the waste heat steam in the exhaust cavity; and
the gas collecting pipe is arranged on the main kettle body, one end of the gas collecting pipe is communicated with the one-way valve nozzle, the other end of the gas collecting pipe is communicated with an exhaust main pipe, and the exhaust main pipe is used for outputting waste heat steam inside the main kettle body to low-level heat energy equipment.
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| CN114393683B (en) | 2023-03-10 |
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