CN202989666U - Atmospheric pressure compensation and waste heat utilization system for papermaking workshop - Google Patents
Atmospheric pressure compensation and waste heat utilization system for papermaking workshop Download PDFInfo
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- CN202989666U CN202989666U CN 201220688672 CN201220688672U CN202989666U CN 202989666 U CN202989666 U CN 202989666U CN 201220688672 CN201220688672 CN 201220688672 CN 201220688672 U CN201220688672 U CN 201220688672U CN 202989666 U CN202989666 U CN 202989666U
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Abstract
The utility model discloses an atmospheric pressure compensation and waste heat utilization system for a papermaking workshop. The system comprises a ventilating room, a heat exchanging fan and a cold and hot air exchanger, wherein the ventilating room communicates the interior of the workshop and the exterior of the workshop; the heat exchanging fan is arranged in the ventilating room and used for pumping cold air outside the workshop into the ventilating room; the cold and hot air exchanger is arranged in the ventilating room and used for heating cold air outside the workshop, and comprises at least one steam heat exchanger and one water heat exchanger; a high-temperature condensate water inlet pipe of the water heat exchanger and a condensing pipe of a drying cylinder device of the papermaking workshop are connected through pipelines; a condensation steam inlet pipe of the steam heat exchanger and a condensation steam pipe of the drying cylinder device of the papermaking workshop are connected through pipelines; and a condensed water outlet pipe of the steam heat exchanger and a high-temperature condensate water inlet pipe of the water heat exchanger are connected through pipelines. According to the system, condensed water and condensed steam of the drying cylinder are fully used, so that stable atmospheric pressure is effectively provided for the papermaking workshop, energy waste is reduced, and the productivity effectiveness is improved.
Description
Technical field
The utility model relates to a kind of pulp technology for making paper, relates in particular to atmospheric pressure compensating and the UTILIZATION OF VESIDUAL HEAT IN technical field of paper machine room.
Background technology
The paper machine dryer of paper machine room needs hot-air system that a kind of gas hood that is formed by high temperature air is provided, and the air of this gas hood derives from inside, workshop, and this air can be extracted out by the platform blower fan outdoor later by the hot-air system utilization, thereby makes the inner negative pressure that forms in workshop.
On the other hand, the toilet paper paper machine dryer can produce a large amount of condensed waters and condensation vapour in process of production.Condensed water and condensation vapour still with very high temperature, can cause waste very large on the energy if directly all emit when discharging the workshop, also can cause the temperature rise of environment simultaneously, are unfavorable for environmental protection.
The utility model content
The utility model proposes solution for above problem just, and a kind of system that carries out atmospheric pressure compensating and realize simultaneously UTILIZATION OF VESIDUAL HEAT IN is provided.
In order to achieve the above object, the utility model has adopted following technical scheme: the atmospheric pressure compensating of paper machine room and bootstrap system is characterized in that comprising following composition:
The draft chamber that is communicated with inside, workshop and outside, workshop, and
Be arranged at being used for the heat exchanger blower fan of cool exterior air suction draft chamber, workshop in the draft chamber, and
Be arranged in the draft chamber for the air-cooled heat exchanger that the workshop cool exterior air is heated, described air-cooled heat exchanger comprises at least one steam-to-steam heat exchanger and a water heat exchanger, the high-temperature condensation water water inlet pipe of described water heat exchanger is connected by pipeline with the condensate pipe of paper machine room drying cylinder equipment, the condensation vapour air inlet pipe of described steam-to-steam heat exchanger is connected by pipeline with the condensation steam pipe of paper machine room drying cylinder equipment, and the condensed water outlet pipe of steam-to-steam heat exchanger is connected by pipeline with the high-temperature condensation water water inlet pipe of described water heat exchanger.
Preferably, described heat exchanger blower fan is controlled by the remote control and regulation system.Described air-cooled heat exchanger is controlled by heat exchanger control system, and described heat exchanger control system comprises that temperature transmitter, digital display controller, hand stop valve, pneumatic control valve, high temperature flux of vortex street take into account alarm,
Temperature transmitter is arranged at the air-cooled heat exchanger air outlet for detection of the wind pushing temperature of air outlet, and the resistance signal of thermal resistance is sent to digital display controller,
Digital display controller receives the resistance signal of temperature transmitter and changes the output linearity signal, and the upper and lower limit alarm point is set,
Pneumatic control valve is arranged at the condensation vapor pipeline, and pneumatic control valve is regulated condensation steam flow amount according to the aperture of the linear signal control valve of digital display controller, thereby keeps the constant of temperature,
Hand stop valve is arranged at condensate pipe and condensation steam pipe connecting line, is used for being communicated with and blocking the transfer pipeline of condensed water and condensation vapour;
The high temperature vortex-shedding meter is arranged at the condensation vapor pipeline, is used for calculating condensation steam flow amount;
Alarm receives the signal of digital display controller and sends emergency alarm bell sound.
Specifically, described heat exchanger blower fan is arranged between workshop and draft chamber.
Described air-cooled heat exchanger is arranged at draft chamber's side walls outdoor towards the workshop.
The purpose of this utility model is with outdoor air, atmospheric pressure compensating to be carried out in inside, workshop, the remaining temperature of utilizing simultaneously the paper formed condensed water of workshop drying cylinder equipment and condensation vapour heats compensation gas, and making the hot gas after heating is airtight paper machine room compensation air pressure.The utility model has utilized condensed water and the condensation vapour of drying cylinder fully, effectively for paper machine room provides stable air pressure and reduced energy waste, has promoted productivity effect.
Description of drawings
Fig. 1 is the layout of equipment of the utility model draft chamber.
Fig. 2 is the stereogram of the utility model air-cooled heat exchanger.
Wherein, workshop 100 draft chamber's 200 heat exchanger blower fan 210 air-cooled heat exchanger 220 steam-to-steam heat exchanger 221 water heat exchanger 222 condensation vapour air inlet pipe 223 high-temperature condensation water water inlet pipe 224 cryogenic condensation water outlet pipe 225 drain valves 226 outdoor 300
The specific embodiment
Figure 1 shows that the layout of equipment of the utility model draft chamber.As shown in the figure, 100 different azimuth can arrange a plurality of draft chambers 200 in the workshop.The draft chamber is communicated with 100 inside, workshop and outdoor 300.200 walls towards an outdoor side are provided with heat exchanger blower fan 210 in the draft chamber, are used for outdoor cold air suction draft chamber 200.Heat exchanger blower fan 210 arranges in pairs, and with the remote control and regulation system, can realize far distance controlled.
200 one side walls of 100 inside is provided with air-cooled heat exchanger 220 towards the workshop in the draft chamber, when outdoor cold air is heated by air-cooled heat exchanger 220 by behind heat exchanger blower fan 210 suction draft chambers.Air-cooled heat exchanger has four heat exchanger fins, and in pairs, every interchanger inside is all U-shaped pipeline, and on U-shaped pipeline outer wall with a large amount of fin, be used for enlarging the contact area with cold air.Use condensation vapour that cold air is heated towards two outdoor heat exchanger fins, be again steam-to-steam heat exchanger.Two indoor heat exchanger fins use condensed water that cold air is heated towards the workshop, are again water heat exchanger.The below is elaborated.
For steam-to-steam heat exchanger 221, its condensation vapour air inlet pipe 223 is connected by pipeline with the condensation steam pipe of paper machine room drying cylinder equipment, condensation vapour from drying cylinder out after, be delivered to steam-to-steam heat exchanger 221 upper ends through pipeline, the U-shaped pipe of flowing through from top to bottom, the process by pipeline can be with itself dissipation of heat to fin.Can be heated during by these fin when outdoor cold air, and condensation vapour can constantly liquefy in the process of cooling, the water of liquefaction flow to interchanger lower part outlet place through drain valve 226, is pumped in the high-temperature condensation water water inlet pipe 224 of water heat exchanger 222 after contaminant filter is fallen.
As shown in Figure 2, for water heat exchanger 222.Condensed water from drying cylinder out after, enter water heat exchanger from high-temperature condensation water water inlet pipe 224 from the lower end together with steam-to-steam heat exchanger 221 condensed water out, the U-shaped pipe of flowing through from bottom to top, process by pipeline can be with itself dissipation of heat to fin, can be heated during by these fin when outdoor cold air, and condensed water can be constantly cooling in this process, and finally these chilled water are derived through cryogenic condensation water outlet pipe 225 and flow in tank.
Air-cooled heat exchanger is controlled by heat exchanger control system, and described heat exchanger control system comprises that temperature transmitter, digital display controller, hand stop valve, pneumatic control valve, high temperature flux of vortex street take into account alarm etc.,
Temperature transmitter is arranged at the air-cooled heat exchanger air outlet, for detection of the temperature of the air-supply of air outlet, and the resistance signal of thermal resistance is sent to digital display controller,
Digital display controller receives the resistance signal of temperature transmitter and changes the output linearity signal, and the upper and lower limit alarm point is set,
Pneumatic control valve is arranged at the condensation vapor pipeline, and pneumatic control valve is regulated condensation steam flow amount according to the aperture of the linear signal control valve of digital display controller, thereby keeps the constant of temperature,
Hand stop valve is arranged at condensation steam pipe and condensate pipe connecting line, is used for being communicated with and blocking condensation vapour and condensed water transfer pipeline;
The high temperature vortex-shedding meter is arranged at the condensation vapor pipeline, is used for the calculation of steam flow;
Alarm receives the signal of digital display controller and sends emergency alarm bell sound.
The utility model includes, but are not limited to the content of above-described embodiment, other all with within product structure that the technical solution of the utility model has an identical essentiality content all falls into protection domain of the present utility model.
Claims (5)
1. the atmospheric pressure compensating of paper machine room and bootstrap system is characterized in that comprising following composition:
The draft chamber that is communicated with inside, workshop and outside, workshop, and
Be arranged at being used for the heat exchanger blower fan of cool exterior air suction draft chamber, workshop in the draft chamber, and
Be arranged in the draft chamber for the air-cooled heat exchanger that the workshop cool exterior air is heated, described air-cooled heat exchanger comprises at least one steam-to-steam heat exchanger and a water heat exchanger, the high-temperature condensation water water inlet pipe of described water heat exchanger is connected by pipeline with the condensate pipe of paper machine room drying cylinder equipment, the condensation vapour air inlet pipe of described steam-to-steam heat exchanger is connected by pipeline with the condensation steam pipe of paper machine room drying cylinder equipment, and the condensed water outlet pipe of steam-to-steam heat exchanger is connected by pipeline with the high-temperature condensation water water inlet pipe of described water heat exchanger.
2. the atmospheric pressure compensating of paper machine room according to claim 1 and bootstrap system is characterized in that: described heat exchanger blower fan is controlled by the remote control and regulation system.
3. the atmospheric pressure compensating of paper machine room according to claim 1 and bootstrap system, it is characterized in that: described air-cooled heat exchanger is controlled by heat exchanger control system, described heat exchanger control system comprises that temperature transmitter, digital display controller, hand stop valve, pneumatic control valve, high temperature flux of vortex street take into account alarm
Temperature transmitter is arranged at the air-cooled heat exchanger air outlet for detection of the wind pushing temperature of air outlet, and the resistance signal of thermal resistance is sent to digital display controller,
Digital display controller receives the resistance signal of temperature transmitter and changes the output linearity signal, and the upper and lower limit alarm point is set,
Pneumatic control valve is arranged at the condensation vapor pipeline, and pneumatic control valve is regulated condensation steam flow amount according to the aperture of the linear signal control valve of digital display controller, thereby keeps the constant of temperature,
Hand stop valve is arranged at condensate pipe and condensation steam pipe connecting line, is used for being communicated with and blocking the transfer pipeline of condensed water and condensation vapour;
The high temperature vortex-shedding meter is arranged at the condensation vapor pipeline, is used for calculating condensation steam flow amount;
Alarm receives the signal of digital display controller and sends emergency alarm bell sound.
4. the atmospheric pressure compensating of paper machine room according to claim 1 and bootstrap system is characterized in that:
Described heat exchanger blower fan is arranged between workshop and draft chamber.
5. the atmospheric pressure compensating of paper machine room according to claim 1 and bootstrap system is characterized in that:
Described air-cooled heat exchanger is arranged at draft chamber's side walls outdoor towards the workshop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688672 CN202989666U (en) | 2012-12-13 | 2012-12-13 | Atmospheric pressure compensation and waste heat utilization system for papermaking workshop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688672 CN202989666U (en) | 2012-12-13 | 2012-12-13 | Atmospheric pressure compensation and waste heat utilization system for papermaking workshop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202989666U true CN202989666U (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220688672 Expired - Fee Related CN202989666U (en) | 2012-12-13 | 2012-12-13 | Atmospheric pressure compensation and waste heat utilization system for papermaking workshop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202989666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215059A (en) * | 2014-09-05 | 2014-12-17 | 广西壮族自治区特种设备监督检验院 | Drying cylinder economizer |
-
2012
- 2012-12-13 CN CN 201220688672 patent/CN202989666U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215059A (en) * | 2014-09-05 | 2014-12-17 | 广西壮族自治区特种设备监督检验院 | Drying cylinder economizer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20151213 |
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| EXPY | Termination of patent right or utility model |