CN213207821U - Device for utilizing condensate water waste heat of still kettle - Google Patents
Device for utilizing condensate water waste heat of still kettle Download PDFInfo
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- CN213207821U CN213207821U CN202021221431.8U CN202021221431U CN213207821U CN 213207821 U CN213207821 U CN 213207821U CN 202021221431 U CN202021221431 U CN 202021221431U CN 213207821 U CN213207821 U CN 213207821U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 220
- 239000002918 waste heat Substances 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims description 30
- 239000007788 liquid Substances 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000001704 evaporation Methods 0.000 abstract description 3
- 238000004321 preservation Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000009467 reduction Effects 0.000 abstract description 2
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- 239000007789 gas Substances 0.000 description 6
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
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- 238000001914 filtration Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
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- 229920006395 saturated elastomer Polymers 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
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- 238000007599 discharging Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
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Abstract
The utility model discloses an utilize to evaporate device that presses cauldron comdenstion water waste heat, including evaporating the cauldron, evaporate and press to be equipped with pressure sensor in the cauldron, pressure sensor is connected with control system, evaporate the cauldron bottom and be equipped with the drain pipe, water storage tank water inlet is connected to the drain pipe delivery port, and the water storage tank bottom is equipped with medium temperature water pipe and high temperature water pipe, and high temperature water pipe delivery port department is equipped with first pneumatic valve, and high temperature water pipe delivery port connects the flash tank water inlet, and the flash tank delivery port passes through the pipe connection to high temperature water pool, and high temperature water pool delivery. The utility model discloses a flash tank recovery evaporates pressure cauldron comdenstion water heat energy, utilizes comdenstion water heat energy to replace the mode of traditional heating installation or electrical heating stilling room, effectively utilizes to evaporate pressure cauldron comdenstion water waste heat, practices thrift the required energy consumption of suitable temperature that the stilling room maintains to the reduction is to the heating heat preservation cost of stilling room, and the comdenstion water after the use is retrieved to the boiler utilization, reduces the heat supply cost, and saves water economy resource.
Description
Technical Field
The utility model belongs to the technical field of evaporate the pressure cauldron waste heat utilization, concretely relates to utilize device that evaporates pressure cauldron comdenstion water waste heat.
Background
The aerated slab is a high-performance light slab which is prepared by taking lime, cement, silica sand and the like as raw materials, adding and stirring the raw materials according to a formula, pouring a reinforcing mesh with a specific structure, forming, precuring, cutting and finally carrying out autoclaved curing.
The production of the aerated plates needs static gas generation between pre-curing and autoclaved curing, and the quality of the static gas generation directly influences the quality of later-stage aerated plates. The gas generation is the process that the slurry is acted by aluminum powder in the mold to release hydrogen, gradually expands and fills the mold; in order to improve the quality of the gas-filled plate, on one hand, the aluminum powder generates bubbles, and on the other hand, the slurry gradually loses fluidity, namely the slurry is prepared and hardened, the two processes must be coordinated, and besides the requirement on the slurry proportion, the temperature also has an influence on the quality of the blank gas-making and stillness. When the environmental temperature is too low, the heat loss of the blank is large, so that the temperature difference between the inside and the outside of the blank is large, the hardening degree between the inside and the outside of the blank is different, and the blank is partially or completely deformed due to the temperature stress and the humidity stress. Therefore, in the production of the gas-adding plate, the static stop temperature is basically required, generally not lower than 20 ℃, and is 40-60 ℃ for 3-3.5 hours in order to shorten the static stop time and improve the yield and the quality. In order to improve the quality of the embryo body in the resting state, manufacturers generally provide a single closed chamber as the resting chamber, and keep the temperature of the resting chamber proper by adopting a heating or electric heating mode. However, the method has high energy consumption and high cost.
In the actual production, in order to ensure the steam curing effect of the gas filling plate, the operation of the autoclave is changed in stages, the air pressure in the autoclave is changed along with the change of the autoclave, condensate water discharged from the autoclave comprises high-temperature condensate water and medium-temperature condensate water, the temperature of the high-temperature condensate water reaches about 100 ℃, and the temperature of the medium-temperature condensate water reaches 60-70 ℃. In the past, high-temperature condensed water and low-temperature condensed water are directly discharged together, heat exchange leads to heat energy loss of the high-temperature condensed water, the condensed water is directly extracted and discharged into a cooling pool, or a large water tank is adopted to recover the waste heat of the condensed water of the still kettle, but the efficiency is low, the recovery amount is small, the waste heat of the still kettle is not utilized sufficiently in time, and a large amount of heat energy is wasted.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problems that: the device for utilizing the waste heat of the condensed water of the still kettle solves the problems that a traditional still room is large in heating energy consumption and high in cost, and the heat energy of the condensed water of the still kettle is not fully utilized.
The utility model adopts the technical proposal that:
the utility model provides an utilize device that evaporates cauldron comdenstion water waste heat, is equipped with pressure sensor including evaporating the cauldron, evaporates pressure sensor and control system connection, evaporate the cauldron bottom and be equipped with the drain pipe, the water storage tank water inlet is connected to the drain pipe delivery port, and the water storage tank bottom is equipped with medium temperature water pipe and high temperature water pipe, and high temperature water pipe delivery port department is equipped with first pneumatic valve, and high temperature water pipe delivery port connects the flash tank water inlet, and the flash tank delivery port passes through the pipe connection to high temperature water tank, and the high temperature water tank delivery port passes through.
Through adopting above-mentioned technical scheme, divide into high temperature comdenstion water and medium temperature comdenstion water through atmospheric pressure change and discharge respectively, effectively utilize high temperature comdenstion water to the heat supply of quiet room of stopping, make full use of the heat energy resource of high temperature comdenstion water reduces the energy consumption of traditional heat supply, reduce the cost.
Furthermore, a heating pipe is arranged in the static stop chamber, the input end of the heating pipe is connected with the water outlet of the pipeline, and the heating pipe is spirally arranged along the wall surface in the static stop chamber.
Through above-mentioned technical scheme, the reinforcing is to the heating effect of quiet room of stopping, and increase heat radiating area does not improve heat utilization rate.
Further, a second pneumatic valve is arranged at a water outlet of the medium-temperature water pipe, and the water outlet of the medium-temperature water pipe is connected to the medium-temperature water tank through a pipeline; recovering the medium temperature condensed water.
Furthermore, the output end of the heating pipe is connected with a medium-temperature water tank, the water outlet of the medium-temperature water tank is communicated with the water inlet of the boiler through a pipeline, and a first water pump is arranged between the medium-temperature water tank and the boiler.
Through the technical scheme, the high-temperature condensate water is further recycled, the medium-temperature condensate water is used as boiler preheating water, the energy consumption required for heating the boiler into steam is low, the energy consumption of the autoclave is reduced, and the cost is reduced.
Furthermore, a second water pump is arranged on a pipeline between the high-temperature water pool and the static stop room, and the second water pump is connected with the control system.
Through adopting above-mentioned technical scheme, utilize the second water pump to extract the comdenstion water and flow to the quiet room of stopping, heat preservation to the quiet room of stopping is favorable to evaporating the comdenstion water discharge among the curing kettle to accessible second water pump is adjusted the comdenstion water flow size, and then is adjusted the temperature.
Furthermore, a liquid level sensor is arranged in the water storage tank, the signal output end of the liquid level sensor is connected with a control system, and a pneumatic valve is arranged at the water outlet of the water storage tank.
Through the technical scheme, the condensed water is discharged through the feedback control of the liquid level sensor.
Furthermore, a temperature sensor is arranged in the static stop chamber and connected with a control system.
By adopting the technical scheme, the temperature change of the static parking chamber is directly obtained, and the flow of the second water pump is controlled by the control system to change the temperature of the static parking chamber according to the requirement.
Further, be equipped with the filter between water storage tank and the flash tank for impurity in the filtration condensate water avoids impurity to block up the pipeline, and clean comdenstion water is favorable to condensate water recycle.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the heat energy of the condensed water in the still kettle is recovered by the flash tank, and the heat energy of the condensed water is used for replacing the traditional mode of heating the static parking chamber by using warm air or electricity, so that the energy consumption required by maintaining the proper temperature in the static parking chamber is saved, and the heating and heat preservation cost of the static parking chamber is reduced;
(2) the temperature of the discharged condensate water is determined by monitoring the steam pressure in the steam curing kettle, if the steam pressure is greater than 0.4MPa, the temperature of the discharged condensate water is close to 100 ℃, and if the steam pressure is less than 0.4MPa, the temperature of the discharged condensate water is 60-70 ℃, high-temperature condensate water and medium-temperature condensate water are respectively discharged by using a high-temperature water pipe and a medium-temperature water pipe, so that the heat exchange between the high-temperature condensate water and the medium-temperature condensate water is avoided, and the waste of high-temperature heat energy is avoided;
(3) before being recycled to the boiler, the condensed water of the still kettle is heated and insulated by the still room, so that the heat energy of the condensed water is fully utilized, the energy is saved, the condensed water recycled to the boiler still has higher temperature of-40-45 ℃, and can be used as the preheating water of the boiler, the energy consumption of steam required by the still kettle generated by water boiling of the boiler is reduced, and the cost is reduced;
(4) the utility model discloses a set up the high temperature pond between flash tank and quiet room of stopping, the high temperature pond makes the backpressure of comdenstion water reduce, reduces the discharge resistance to through the water pump effect, be favorable to discharging completely and evaporate the comdenstion water in the pressure cauldron, guarantee to evaporate the pressure cauldron normal operating.
Drawings
FIG. 1 is a schematic layout of the present invention;
fig. 2 is the arrangement schematic diagram of the utility model of the stilling chamber.
Detailed Description
The invention will be further explained with reference to the drawings attached to the specification in order to facilitate better understanding by workers skilled in the art.
Referring to fig. 1, a device for utilizing waste heat of condensed water in an autoclave includes: the system comprises a still kettle 1, a water storage tank 2, a flash tank 3, a high-temperature water pool 4, a static parking chamber 5, a medium-temperature water pool 6 and a boiler 7.
The static stop chamber 5 is arranged below the still kettle 1, the structure is compact, the space is saved, and the heat loss caused by long-distance conveying of high-temperature condensed water is avoided. Because the condensed water has higher temperature and generates great pressure in the still kettle, the condensed water is convenient for conveying under the action of pressure when being discharged out of the still kettle 1, and the boiler 7 is arranged beside the still kettle 1 and provides steam for the still kettle 1.
The three autoclaves 1 are arranged in parallel, the pressure sensors 11 are arranged in the autoclaves 1 and used for monitoring the pressure change in the autoclaves 1, the pressure sensors 11 are connected with the control system, and signals are fed back to the control system and then sent out commands through the control system to execute water drainage. Still 1 bottoms of cauldron are equipped with the drain pipe for discharge condensate water, 2 water inlets of water storage tank are connected respectively to three drain pipe delivery port who evaporates cauldron 1, water storage tank 2 is used for collecting the three condensate water that evaporates cauldron 1 and produces, simplifies drainage pipe system, is equipped with level sensor in the water storage tank 2, level sensor connection control system to in time discharge the condensate water in the change of the control water storage tank 2 internal condensation water yield.
The bottom of the water storage tank 2 is provided with a medium-temperature water pipe and a high-temperature water pipe, a first pneumatic valve 21 is arranged at a water outlet of the high-temperature water pipe and used for controlling high-temperature condensate water to be discharged, the water outlet of the high-temperature water pipe is connected with a water inlet of a filter 23 and used for filtering impurities in the condensate water, so that the impurities are prevented from damaging subsequent process equipment or causing pipeline blockage, and the condensate water is not beneficial. A second pneumatic valve 22 is arranged at the water outlet of the medium temperature water pipe and used for controlling the discharge of medium temperature condensed water, and the water outlet of the medium temperature water pipe is connected to the medium temperature water tank 6 through a pipeline.
The 3 water inlets of flash tank are connected to 23 delivery ports of filter, 3 water inlets of flash tank are located 3 middle parts of flash tank, 3 water inlets of flash tank department is equipped with the stop valve, 3 delivery ports of flash tank are located 3 bottoms of flash tank, the comdenstion water of being convenient for discharge, 3 delivery ports of flash tank are equipped with the automatic control valve, be used for opening or closing the comdenstion water circulating path, adjusting equipment, 3 one sides of flash tank are equipped with level sensor, and level sensor and control system are connected, flash tank 3 top installation pressure gauge and relief valve, in order to improve the security, 3 steam vents of flash tank are located 3 tops of flash tank, and be equipped with. By using the property of the flash tank 3, under the condition of constant temperature, the condensed water is separated into saturated water and steam by reducing the pressure, and the heat energy of the saturated water is fully utilized under normal pressure.
The water outlet of the flash tank 3 is connected to the high-temperature water tank 4 through a pipeline, the high-temperature water tank 4 has a large space, the back pressure of condensed water is reduced through expansion, the discharge resistance of the condensed water in the closed pipeline is reduced, and the condensed water in the still kettle 1 is favorably discharged out of the still kettle 1; the water outlet of the high-temperature water tank 4 is connected with the static parking chamber 5 through a pipeline, a second water pump 41 is arranged between the high-temperature water tank 4 and the static parking chamber 5 through a pipeline, and the second water pump 41 is connected with the control system, so that condensed water circularly flows to continuously heat and insulate the static parking chamber 5.
The static stop chamber 5 is arranged below the still kettle 1, so that condensed water is conveniently conveyed, excessive heat loss is avoided, a track for moving the blank body is arranged in the static stop chamber 5, heating pipes 51 are spirally arranged in the static stop chamber 5 along the ground and the wall so as to increase the heat dissipation area and improve the heat energy utilization rate, the input ends of the heating pipes 51 are connected with a pipeline output from the water outlet of the high-temperature water tank 4, and the condensed water is introduced to provide heat; the output end of the heating pipe 51 is connected with the medium temperature water tank 6, high temperature condensed water and medium temperature condensed water after being used are converged, a water outlet connecting pipeline of the medium temperature water tank 6 is communicated with a water inlet of the boiler 7, a first water pump 61 is arranged between the medium temperature water tank 6 and the boiler 7, the flowing of the condensed water to the boiler 7 is facilitated, the boiler 7 is used for heating and recycling, water resources are saved, the medium temperature condensed water also has waste heat, the water inlet temperature of the boiler 7 is improved, and the heat supply cost is reduced.
Still be equipped with temperature sensor in the quiet room 5, temperature sensor locates the relative both ends of quiet room 5 to connection control system for monitor the average temperature in the quiet room 5, so that through control system control second water pump 41 flow, through increasing condensate water flow regulation temperature rise or reduce condensate water flow reduction temperature.
Specifically, when the air pressure in the still kettle 1 is greater than 0.4MPa, the first pneumatic valve 21 is opened, high-temperature condensate water is discharged, the high-temperature condensate water is separated by the flash tank 3 and then discharged from a water outlet of the flash tank 3 to the high-temperature water tank 4, the high-temperature condensate water is discharged from the high-temperature water tank 4 to the static stop chamber 5 to heat the static stop chamber 5, and the heat energy of the high-temperature condensate water is fully utilized. If the air pressure in the autoclave is less than 0.4MPa, the second pneumatic valve 22 is opened, and the medium-temperature condensed water quality medium-temperature water pool is discharged. The condensed water is discharged through air pressure feedback respectively, heat exchange loss after the high-temperature condensed water and the medium-temperature condensed water are mixed is avoided, the high-temperature condensed water is independently used for heating and insulating the static parking chamber 5, the heating effect of the static parking chamber 5 is enhanced, and the static parking gas generation quality is guaranteed.
The above description is only intended to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides an utilize device of autoclave comdenstion water waste heat, includes autoclave (1), its characterized in that: be equipped with baroceptor (11) in autoclaving cauldron (1), baroceptor (11) and control system connection, evaporate cauldron (1) bottom and be equipped with the drain pipe, water storage tank (2) water inlet is connected to the drain pipe delivery port, and water storage tank (2) bottom is equipped with medium temperature water pipe and high temperature water pipe, and high temperature water pipe delivery port department is equipped with first pneumatic valve (21), and flash tank (3) water inlet is connected to high temperature water pipe delivery port, and flash tank (3) delivery port passes through pipe connection to high temperature water pond (4), and high temperature water pond (4) delivery port passes through pipe connection to stilling room (5).
2. The device for utilizing the residual heat of the condensed water of the autoclave as claimed in claim 1, wherein: a heating pipe (51) is arranged in the static stop chamber (5), the input end of the heating pipe (51) is connected with a water outlet of the pipeline, and the heating pipe (51) is spirally arranged in the static stop chamber (5) along the wall surface.
3. The device for utilizing the residual heat of the condensed water of the autoclave as claimed in claim 1, wherein: and a second pneumatic valve (22) is arranged at the water outlet of the medium-temperature water pipe, and the water outlet of the medium-temperature water pipe is connected to the medium-temperature water tank (6) through a pipeline.
4. The device for utilizing the residual heat of the condensed water of the autoclave as claimed in claim 2, wherein: the output end of the heating pipe (51) is connected with the medium temperature water tank (6), the water outlet of the medium temperature water tank (6) is communicated with the water inlet of the boiler (7) through a pipeline, and a first water pump (61) is arranged between the medium temperature water tank (6) and the boiler (7).
5. The device for utilizing the residual heat of the condensed water of the autoclave as claimed in claim 1, wherein: and a second water pump (41) is arranged on a pipeline between the high-temperature water tank (4) and the static stop chamber (5), and the second water pump (41) is connected with a control system.
6. The device for utilizing the residual heat of the condensed water of the autoclave as claimed in claim 1, wherein: and a liquid level sensor is arranged in the water storage tank (2), and the signal output end of the liquid level sensor is connected with a control system.
7. The device for utilizing the residual heat of the condensed water of the autoclave as claimed in claim 1, wherein: and a temperature sensor is arranged in the static stop chamber (5) and is connected with a control system.
8. The device for utilizing the residual heat of the condensed water of the autoclave as claimed in claim 1, wherein: and a filter (23) is arranged between the water storage tank (2) and the flash tank (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221431.8U CN213207821U (en) | 2020-06-29 | 2020-06-29 | Device for utilizing condensate water waste heat of still kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021221431.8U CN213207821U (en) | 2020-06-29 | 2020-06-29 | Device for utilizing condensate water waste heat of still kettle |
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| Publication Number | Publication Date |
|---|---|
| CN213207821U true CN213207821U (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021221431.8U Active CN213207821U (en) | 2020-06-29 | 2020-06-29 | Device for utilizing condensate water waste heat of still kettle |
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| CN (1) | CN213207821U (en) |
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2020
- 2020-06-29 CN CN202021221431.8U patent/CN213207821U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240202 Address after: Room 4221, Office Building 4, Huchao Township Management Committee, Gui'an New District, Guiyang City, Guizhou Province, 550003 Patentee after: GUIZHOU GUIREN ECOLOGICAL SAND TECHNOLOGY CO.,LTD. Country or region after: China Address before: 550700 building materials Industrial Park, Weiyuan Industrial Park, Changshun County, Qiannan Buyi and Miao Autonomous Prefecture, Guizhou Province (Xiaozhai group, Dongkou village, Guangshun town) Patentee before: Guizhou Changtong prefabricated building materials Co.,Ltd. Country or region before: China |
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