CN110975766A - Steam generating device - Google Patents
Steam generating device Download PDFInfo
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- CN110975766A CN110975766A CN201911336513.9A CN201911336513A CN110975766A CN 110975766 A CN110975766 A CN 110975766A CN 201911336513 A CN201911336513 A CN 201911336513A CN 110975766 A CN110975766 A CN 110975766A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J7/00—Apparatus for generating gases
- B01J7/02—Apparatus for generating gases by wet methods
Abstract
The invention discloses a steam generating device, comprising: the system comprises an air source input interface, a filter, a mass flow meter, a water bath tank, a water vapor generation unit, a constant temperature device, a first regulating valve, a first flow meter, a first output interface, a second regulating valve, a first flow meter, a second output interface and an equipment controller; the method comprises the steps of forming saturated vapor gas by passing dry gas source gas through an aqueous solution, and controlling gas flow and temperature to obtain gases with different vapor contents. The steam generating equipment has simple structure and convenient operation, and is very suitable for the verification and calibration of the steam interference error test.
Description
Technical Field
The invention relates to the technical field of steam generation, in particular to steam generation equipment.
Background
In the prior art, water vapor is a gas-phase reactant in many industrial reaction processes, and has wide application in daily life and scientific research。However, the inventor has found that the prior art has a complicated structure of the water vapor generating apparatus, inconvenient temperature and flow control, and inconvenient operation when applied to verification and calibration of a water vapor disturbance error test.
Disclosure of Invention
Based on this, in order to solve the technical problem among the prior art, a steam generating equipment has specially been proposed.
The water vapor generating equipment comprises an air source input interface, a filter, a mass flow meter, a water bath box, a water vapor generating unit, a constant temperature device, a first regulating valve, a first flow meter, a first output interface, a second regulating valve, a second flow meter, a second output interface and an equipment controller;
the gas source input interface is connected to the input interface of the filter, the output interface of the filter is connected to the input interface of the mass flow meter, the output interface of the mass flow meter is connected to the input interface of the water vapor generation unit, and the water vapor generation unit is carried in the box body of the water bath box; the constant temperature device controls the temperature of the water bath tank; dry gas source gas is input into the water vapor generation equipment through a gas source input interface and is filtered by the filter; the water vapor passes through the filter and is output to the mass flow meter, and the water vapor is input to the water vapor generation unit arranged in the water bath tank after being processed by the flow control of the mass flow meter;
the output of the water vapor generation unit is divided into two gas pipelines, wherein one gas pipeline is output to a first regulating valve, a first flow meter and a first output interface which are connected in sequence, gas is discharged from the first output interface, and the other gas pipeline is output to a second regulating valve, a second flow meter and a second output interface which are connected in sequence, and gas is discharged from the second output interface;
the device controller comprises a programmable logic controller and a touch screen; the touch screen is connected to the programmable logic controller; the communication interface of the programmable logic controller is connected to the mass flow meter, the thermostatic device, the first regulating valve, the second regulating valve, the first flow meter, and the second flow meter.
In one embodiment, the water vapor generation unit comprises a heat exchange pipe, a pressure stabilizing tank, a humidifying tank and a buffer tank; the input interface of heat exchange tube receives through mass flow meter input extremely vapor generation unit's gas, the output interface of heat exchange tube is connected to the input interface of surge tank, the output interface of surge tank is connected to the input interface of humidification jar, the output interface of humidification jar is connected to the input interface of buffer tank, the output interface of buffer tank does vapor generation unit's output.
In one embodiment, the heat exchange tube is a serpentine heat exchange tube; the gas input into the water vapor generation unit firstly passes through the serpentine heat exchange tube, so that the temperature of the gas and the temperature of the water bath tank are balanced; the gas is output by the snakelike heat exchange tube and then input into the pressure stabilizing tank for pressure stabilizing treatment; the gas output by the pressure stabilizing tank enters the humidifying tank, and the gas is fully contacted with water in the humidifying tank to generate saturated vapor; and saturated water vapor generated in the humidification tank enters the buffer tank for buffering treatment and then is output.
In one embodiment, a liquid level sensor and a humidification tank temperature sensor are arranged in the humidification tank, the liquid level sensor is used for measuring the liquid level in the humidification tank, and the humidification tank temperature sensor is used for measuring the temperature in the humidification tank; the upper end of the humidifying tank is provided with a humidifying tank water injection valve, the lower end of the humidifying tank is provided with a humidifying tank drain valve, the humidifying tank water injection valve is used for water injection of the humidifying tank, and the humidifying tank drain valve is used for water drainage of the humidifying tank; when the liquid level sensor measures that the liquid level in the humidification tank is too low, a liquid level alarm signal is triggered and sent to the equipment controller, and the equipment controller sends a control signal to control a water injection valve of the humidification tank to be opened for water supplementing operation; when the humidification jar temperature sensor measures the temperature abnormal conditions appears in the humidification jar, it sends temperature abnormal signal to equipment controller, by equipment controller control thermostat realizes the temperature regulation of water bath box.
In one embodiment, a surge tank drain valve is arranged at the lower end of the surge tank, and a buffer tank drain valve is arranged at the lower end of the buffer tank; the pressure stabilizing tank drain valve is used for draining water of the pressure stabilizing tank, and the buffer tank drain valve is used for draining water of the buffer tank; the programmable logic controller is respectively connected to the drain valve of the surge tank and the drain valve of the buffer tank; the water bath tank comprises a circulating water inlet and a circulating water outlet.
In one embodiment, the thermostatic device comprises a thermostatic bath, a temperature control meter, a solid-state relay, a heating pipe, a thermostatic bath temperature sensor and a heat preservation shell; the temperature control unit of the constant temperature device is composed of a temperature control meter and a solid-state relay; the constant-temperature bath is positioned in the water bath box, and the heat-insulating shell is wrapped outside the constant-temperature bath; a constant temperature bath temperature sensor and a heating pipe are arranged in the constant temperature bath.
In one embodiment, the communication interface of the programmable logic controller is connected with a temperature control unit of a constant temperature device, a constant temperature bath temperature sensor, a liquid level sensor, a humidification tank temperature sensor, a humidification tank water injection valve, a humidification tank drain valve, a pressure stabilizing tank drain valve and a buffer tank drain valve.
In one embodiment, the programmable logic controller receives the temperature information sent by the temperature control unit, the constant temperature bath temperature sensor and the humidification tank temperature sensor, sets the flow and the temperature of the gas, and sends a temperature control command signal to the constant temperature device to adjust the temperature of the water bath tank; the programmable logic controller receives flow information sent by the first flow meter and the second flow meter; and the programmable logic controller sends opening or closing command signals to one or more valves of the humidifying tank water injection valve, the humidifying tank water discharge valve, the pressure stabilizing tank water discharge valve, the buffer tank water discharge valve, the first regulating valve and the second regulating valve so as to regulate the flow.
In one embodiment, the communication interface of the programmable logic controller is an RS-485 interface.
In one embodiment, the source gas is nitrogen.
The embodiment of the invention has the following beneficial effects:
the water vapor generating equipment provided by the invention utilizes dry gas source gas to form saturated water vapor gas after passing through the water solution, and obtains gas with different water vapor contents by controlling the gas flow and temperature.
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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Wherein:
FIG. 1 is a schematic view of a disclosed water vapor generation apparatus;
FIG. 2 is a schematic view of a dual-ferrule metal seal adapter design according to the present invention;
FIG. 3 is a schematic view of a portable case of the present invention;
the device comprises an air source input interface 1, a filter 2, a mass flow meter 3, a water bath box 4, a thermostatic device 5, a first regulating valve 6, a first flow meter 7, a first output interface 8, a second regulating valve 9, a second flow meter 10, a second output interface 11, a heat exchange tube 12, a surge tank 13, a humidification tank 14, a buffer tank 15, a liquid level sensor 141, a humidification tank temperature sensor 142, a humidification tank water injection valve 143, a humidification tank water discharge valve 144, a surge tank water discharge valve 131, a buffer tank water discharge valve 151, an input valve 41 and an output valve 42.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention discloses a water vapor generation device, which includes an air source input interface 1, a filter 2, a Mass Flow Meter 3(Mass Flow Meter, abbreviated as MFC), a water bath tank 4, a water vapor generation unit, a thermostat 5, a first regulating valve 6, a first Flow Meter 7, a first output interface 8, a second regulating valve 9, a second Flow Meter 10, a second output interface 11, and a device controller (not shown in the figure);
the gas source input interface 1 is connected to an input interface of the filter 2, an output interface of the filter 2 is connected to an input interface of the mass flow meter 3, an output interface of the mass flow meter 3 is connected to an input interface of the water vapor generation unit, and the water vapor generation unit is carried in a box body of the water bath box 4; the thermostat 5 controls the temperature of the water bath tank 4; the equipment controller is respectively connected with the mass flowmeter 3, the thermostatic device 5, the first flowmeter 7 and the second flowmeter 10;
the output interface of the water vapor generation unit is divided into two gas pipelines, wherein one gas pipeline is output to a first regulating valve 6, a first flow meter 7 and a first output interface 8 which are connected in sequence, gas is discharged from the first output interface 8, and the other gas pipeline is output to a second regulating valve 9, a second flow meter 10 and a second output interface 11 which are connected in sequence, and gas is discharged from the second output interface 11;
the first regulating valve 6, the first flowmeter 7 and the first output interface 8 form a bypass gas path;
in particular, the first and second flow meters 7, 10 are float flow meters;
dry gas source gas is input into the water vapor generation equipment through a gas source input interface 1 and is filtered by the filter 2 to prevent other substances from entering a rear-end gas pipeline; the gas passes through the filter 2 and then is output to the mass flow meter 3, and is input to the water vapor generation unit arranged in the water bath tank 4 after being subjected to flow control treatment of the mass flow meter 3;
in particular, the source gas is nitrogen;
the water vapor generation unit comprises a heat exchange pipe 12, a pressure stabilizing tank 13, a humidification tank 14 and a buffer tank 15; the input interface of the heat exchange tube 12 receives the gas input to the water vapor generation unit through the mass flow meter 3, the output interface of the heat exchange tube 12 is connected to the input interface of the surge tank 13, the output interface of the surge tank 13 is connected to the input interface of the humidification tank 14, the output interface of the humidification tank 14 is connected to the input interface of the buffer tank 15, and the output interface of the buffer tank 15 is the output end of the water vapor generation unit;
the heat exchange tube 12 is a snake-shaped heat exchange tube;
the gas inputted to the steam generating unit first passes through the heat exchanging pipe 12 to be balanced with the temperature of the water bath tank 4; the gas is output by the serpentine heat exchange tube 12 and then input into the pressure stabilizing tank 13 for pressure stabilizing treatment; the gas output by the surge tank 13 enters the humidification tank 14, and the gas is fully contacted with water in the humidification tank 14 to generate saturated vapor; saturated water vapor generated in the humidification tank 14 enters the buffer tank 15 for buffering and then is output;
wherein a liquid level sensor 141 and a humidification tank temperature sensor 142 are arranged in the humidification tank 14, the liquid level sensor 141 is used for measuring the liquid level in the humidification tank 14, and the humidification tank temperature sensor 142 is used for measuring the temperature in the humidification tank 14; a humidifying tank water injection valve 143 is arranged at the upper end of the humidifying tank 14, a humidifying tank water discharge valve 144 is arranged at the lower end of the humidifying tank, the humidifying tank water injection valve 143 is used for injecting water into the humidifying tank 14, and the humidifying tank water discharge valve 144 is used for discharging water from the humidifying tank 14; when the liquid level sensor 141 measures that the liquid level in the humidification tank 14 is too low, a liquid level alarm signal is triggered and sent to the equipment controller, and the equipment controller sends a control signal to control the humidification tank water injection valve 143 to be opened for water supplementing operation; when the humidification tank temperature sensor 142 measures that the temperature in the humidification tank is abnormal, the temperature sensor sends a temperature abnormal signal to an equipment controller, and the equipment controller controls the constant temperature device 5 to realize temperature adjustment of the water bath box 4;
wherein, a surge tank drain valve 131 is arranged at the lower end of the surge tank 13, and a surge tank drain valve 151 is arranged at the lower end of the surge tank 15; the pressure stabilizing tank drain valve is used for draining water of the pressure stabilizing tank, and the buffer tank drain valve is used for draining water of the buffer tank;
in particular, the water vapor generation unit generates humidified nitrogen and discharges it in two gas lines.
Wherein the water bath tank comprises a circulating water inlet and a circulating water outlet; an input valve 41 is arranged at the circulating water inlet, and an output valve 42 is arranged at the circulating water outlet;
particularly, a circulating water inlet and a circulating water outlet are both provided with quick connectors, and the diameter of each quick connector can be 8 mm;
in order to facilitate the observation of the liquid level, a liquid level observation window is arranged on the side surface of the water bath tank 4, and the liquid level observation window comprises a constant temperature bath tank window, a pressure stabilizing tank window, a humidifying tank window and a buffer tank window;
particularly, the air source input interface, the first output interface and the second output interface of the water vapor generation device adopt ferrule interfaces;
each part in the water vapor generation equipment comprises an air source input interface, a filter, a mass flow meter, a heat exchange tube, a pressure stabilizing tank, a humidifying tank, a buffer tank, a humidifying tank water injection valve, a humidifying tank drain valve, a pressure stabilizing tank drain valve, a buffer tank drain valve, a first regulating valve, a first flowmeter, a first output interface, a second regulating valve, a second flowmeter and a second output interface, wherein the connection among the parts is realized by adopting a connecting tube, the connecting tube is an inner polished stainless steel tube, and the diameter of the inner polished stainless steel tube can be 6 mm; as shown in figure 2, the inner polished stainless steel pipe as a gas pipeline and each part of the water vapor generation equipment are connected by adopting double-clamping sleeve metal sealing joints, and the requirement of 5MPa of valve working pressure is met.
The constant temperature device comprises a constant temperature bath, a temperature control meter, a solid state relay, a heating pipe, a constant temperature bath temperature sensor and a heat preservation shell; the temperature control unit of the constant temperature device is composed of a temperature control meter and a solid-state relay;
the constant-temperature bath is positioned in the water bath box, and the heat-insulating shell is wrapped outside the constant-temperature bath; a constant-temperature bath temperature sensor and a heating pipe are arranged in the constant-temperature bath;
the constant-temperature bath is made of stainless steel, and the volume of the heat-insulation shell wrapped on the outer side of the constant-temperature bath is set according to the volume of the constant-temperature bath. In practical application, the temperature required by the test is set according to the test requirement, the temperature required by the test is controlled by the temperature control meter, when the temperature reaches the critical point of the set value, the actual temperature value fluctuates in the positive and negative of the set value, and the temperature is balanced in the allowable error range of the test set value within 3-5 minutes.
The device Controller comprises a Programmable Logic Controller (PLC for short) and a touch screen; the touch screen is connected to the Programmable Logic Controller (PLC);
the communication interface of the programmable logic controller PLC is connected with the mass flow meter, the temperature control unit of the constant temperature device, the constant temperature bath temperature sensor, the liquid level sensor, the temperature sensor of the humidification tank, the water injection valve of the humidification tank, the drain valve of the surge tank, the drain valve of the buffer tank, the first flowmeter and the second flowmeter through data lines, so that the communication and interaction between the programmable logic controller PLC and each part of the water vapor generation equipment are realized;
the PLC is a core controller and realizes communication and interaction with each part of the water vapor generation equipment through the communication function of the PLC; the PLC receives the temperature or liquid level information sent by the temperature control unit, each temperature sensor and the liquid level sensor, sets the gas flow and the temperature according to requirements, and sends a temperature control command signal to the thermostatic device to adjust the temperature of the water bath tank; the programmable logic controller PLC receives flow information sent by the first flow meter and the second flow meter and sends opening and closing command signals to each valve to adjust the flow;
particularly, a communication interface of the programmable logic controller PLC is RS-485;
the device controller utilizes configuration software to control, and realizes automatic control of the mass flow meter, each temperature sensor and the liquid level sensor and supervision of the steam generation process through a configuration control technology. The user can realize all the control and data management functions of the water vapor generation equipment through human-computer interaction by utilizing the configuration touch screen.
In the invention, as shown in fig. 3, the requirements of the layout, the attractiveness and the size of the panel and the convenience in valve operation are comprehensively considered, the carbon steel plastic-sprayed plate is selected as a material, the panel has the advantages of attractiveness, rust prevention and durability, the valve instrument mark is carved on the panel, the panel is convenient to use, and misoperation is not prone to occurring.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill 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 corresponding technical solutions.
Claims (10)
1. A kind of vapor generating equipment, characterized by, including the input interface of the air supply, filter, mass flowmeter, water bath, vapor generating unit, thermostatical device, the first damper valve, the first flowmeter, the first output interface, the second damper valve, the second flowmeter, the second output interface, apparatus controller;
the gas source input interface is connected to the input interface of the filter, the output interface of the filter is connected to the input interface of the mass flow meter, the output interface of the mass flow meter is connected to the input interface of the water vapor generation unit, and the water vapor generation unit is carried in the box body of the water bath box; the constant temperature device controls the temperature of the water bath tank; dry gas source gas is input into the water vapor generation equipment through a gas source input interface and is filtered by the filter; the water vapor passes through the filter and is output to the mass flow meter, and the water vapor is input to the water vapor generation unit arranged in the water bath tank after being processed by the flow control of the mass flow meter;
the output of the water vapor generation unit is divided into two gas pipelines, wherein one gas pipeline is output to a first regulating valve, a first flow meter and a first output interface which are connected in sequence, gas is discharged from the first output interface, and the other gas pipeline is output to a second regulating valve, a second flow meter and a second output interface which are connected in sequence, and gas is discharged from the second output interface;
the device controller comprises a programmable logic controller and a touch screen; the touch screen is connected to the programmable logic controller; the communication interface of the programmable logic controller is connected to the mass flow meter, the thermostatic device, the first regulating valve, the second regulating valve, the first flow meter, and the second flow meter.
2. A water vapor generation device according to claim 1,
the gas source gas is nitrogen.
3. A water vapor generation device according to claim 1 or 2,
the water vapor generation unit comprises a heat exchange pipe, a pressure stabilizing tank, a humidifying tank and a buffer tank; the input interface of heat exchange tube receives through mass flow meter input extremely vapor generation unit's gas, the output interface of heat exchange tube is connected to the input interface of surge tank, the output interface of surge tank is connected to the input interface of humidification jar, the output interface of humidification jar is connected to the input interface of buffer tank, the output interface of buffer tank does vapor generation unit's output.
4. A water vapor generation device according to claim 3,
the heat exchange tube is a snake-shaped heat exchange tube; the gas input into the water vapor generation unit firstly passes through the serpentine heat exchange tube, so that the temperature of the gas and the temperature of the water bath tank are balanced; the gas is output by the snakelike heat exchange tube and then input into the pressure stabilizing tank for pressure stabilizing treatment; the gas output by the pressure stabilizing tank enters the humidifying tank, and the gas is fully contacted with water in the humidifying tank to generate saturated vapor; and saturated water vapor generated in the humidification tank enters the buffer tank for buffering treatment and then is output.
5. A water vapor generation device according to claim 4,
the humidifying device comprises a humidifying tank, a liquid level sensor, a humidifying tank temperature sensor and a control circuit, wherein the humidifying tank is internally provided with the liquid level sensor and the humidifying tank temperature sensor, the liquid level sensor is used for measuring the liquid level in the humidifying tank, and the humidifying tank temperature sensor is used for measuring the temperature in the humidifying tank; the upper end of the humidifying tank is provided with a humidifying tank water injection valve, the lower end of the humidifying tank is provided with a humidifying tank drain valve, the humidifying tank water injection valve is used for water injection of the humidifying tank, and the humidifying tank drain valve is used for water drainage of the humidifying tank; when the liquid level sensor measures that the liquid level in the humidification tank is too low, a liquid level alarm signal is triggered and sent to the equipment controller, and the equipment controller sends a control signal to control a water injection valve of the humidification tank to be opened for water supplementing operation; when the humidification jar temperature sensor measures the temperature abnormal conditions appears in the humidification jar, it sends temperature abnormal signal to equipment controller, by equipment controller control thermostat realizes the temperature regulation of water bath box.
6. Water vapor generating device according to claim 5,
wherein, a drain valve of the surge tank is arranged at the lower end of the surge tank, and a drain valve of the surge tank is arranged at the lower end of the surge tank; the pressure stabilizing tank drain valve is used for draining water of the pressure stabilizing tank, and the buffer tank drain valve is used for draining water of the buffer tank; the programmable logic controller is respectively connected to the drain valve of the surge tank and the drain valve of the buffer tank; the water bath tank comprises a circulating water inlet and a circulating water outlet.
7. Water vapor generating device according to claim 6,
the constant temperature device comprises a constant temperature bath, a temperature control meter, a solid state relay, a heating pipe, a constant temperature bath temperature sensor and a heat preservation shell; the temperature control unit of the constant temperature device is composed of a temperature control meter and a solid-state relay; the constant-temperature bath is positioned in the water bath box, and the heat-insulating shell is wrapped outside the constant-temperature bath; a constant temperature bath temperature sensor and a heating pipe are arranged in the constant temperature bath.
8. A water vapor generation device according to claim 7,
and a communication interface of the programmable logic controller is connected with a temperature control unit of a constant temperature device, a constant temperature bath temperature sensor, a liquid level sensor, a humidification tank temperature sensor, a humidification tank water injection valve, a humidification tank drain valve, a pressure stabilizing tank drain valve and a buffer tank drain valve.
9. A water vapor generation device according to claim 8,
the programmable logic controller receives temperature information sent by the temperature control unit, the constant temperature bath temperature sensor and the humidification tank temperature sensor, sets the flow and the temperature of the gas, and sends a temperature control command signal to the constant temperature device to adjust the temperature of the water bath tank; the programmable logic controller receives flow information sent by the first flow meter and the second flow meter; and the programmable logic controller sends opening or closing command signals to one or more valves of the humidifying tank water injection valve, the humidifying tank water discharge valve, the pressure stabilizing tank water discharge valve, the buffer tank water discharge valve, the first regulating valve and the second regulating valve so as to regulate the flow.
10. A water vapor generation device according to claim 9,
and the communication interface of the programmable logic controller is an RS-485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336513.9A CN110975766A (en) | 2019-12-23 | 2019-12-23 | Steam generating device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911336513.9A CN110975766A (en) | 2019-12-23 | 2019-12-23 | Steam generating device |
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| CN110975766A true CN110975766A (en) | 2020-04-10 |
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| CN110096083A (en) * | 2018-01-31 | 2019-08-06 | 中国辐射防护研究院 | A kind of temperature and humidity accurate control device |
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| JP2007000793A (en) * | 2005-06-24 | 2007-01-11 | Yokogawa Electric Corp | Humidifying gas supplier |
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