CN217777293U - Automatic low-pressure steam generator is used in maintenance of concrete member of changing - Google Patents
Automatic low-pressure steam generator is used in maintenance of concrete member of changing Download PDFInfo
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- CN217777293U CN217777293U CN202121854010.3U CN202121854010U CN217777293U CN 217777293 U CN217777293 U CN 217777293U CN 202121854010 U CN202121854010 U CN 202121854010U CN 217777293 U CN217777293 U CN 217777293U
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Abstract
The utility model discloses an automatic low-pressure steam generator is used in concrete member maintenance of changing, including the frame that is used for installing other fixed subassemblies, the top one end of frame is provided with combustion chamber, and combustion chamber's top is provided with and is used for carrying out the burning blender that mixes to gas and air, and the top of frame still is provided with supply channel and gas pipeline, the utility model discloses compare in driven boiler steam generating device, can realize no chimney, and the pressure that produces in combustion chamber and burning blender is minimum, can not cause pressure destruction to combustion chamber and burning blender's lateral wall, because high-temperature steam's production process time is short and can in time be carried, the heat runs off fewly, and the boiler steam temperature of steam temperature relative prior art will be high, and is different with boiler production steam, the utility model discloses need not maintain a large amount of water temperature, saved the energy resource consumption.
Description
Technical Field
The utility model relates to a steam generator specifically is an automatic low-pressure steam generator is used in concrete member maintenance of changing.
Background
With the development of economy and the progress of society, energy conservation becomes inevitable and social consensus. Various devices are developing towards the direction of energy conservation, convenient use, space conservation, safety, high efficiency, multiple functions and the like. Steam generation plants are no exception as an important member of the mass production of socialization.
The conventional steam generating equipment is a conventional boiler, the operation of the conventional steam boiler needs to be continuous, the temperature needs to be kept even if steam is not needed, the energy consumption is large, the occupied area is very large, and the safety performance is low. In order to achieve the purposes of convenient use and no need of reporting inspection, some small steam generators are gradually appeared on the market, but the temperature is not high, the steam quantity is not large, and the steam generators are difficult to be used in occasions requiring a large quantity of steam, such as the maintenance of concrete products and the like.
The existing steam generator has the following disadvantages: 1. due to the limitations of combustion technology and water content, large steam quantities cannot be achieved; 2. due to the combustion technology, relatively high steam temperatures cannot be achieved; 3. due to the specificity of the combustion technology, the energy-saving advantage cannot be achieved; 4. due to the design principle, a very high net efficiency cannot be achieved. In order to solve the problems, the low-pressure steam generator for automatically curing the concrete member is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automatic low pressure steam generator is used in concrete member maintenance of changing.
The utility model solves the technical problems that:
(1) The existing boiler steam generating device has large internal pressure and potential safety hazard;
(2) The existing steam generating device has low heat efficiency, can not stably generate a large amount of steam in a short time, and has low energy utilization rate;
(3) The existing steam generating device is provided with a chimney, so that the mass and the volume are large, the installation and the transportation are inconvenient, and the cost is increased;
(4) The existing steam generating device produces pollution in the process of combustion and is not friendly to the environment.
The utility model discloses can realize through following technical scheme: the utility model provides an automatic low pressure steam generator is used in concrete member maintenance of changing, is including the frame that is used for the fixed other subassemblies of installation, and the top one end of frame is provided with main combustion chamber, and main combustion chamber's top is provided with and is used for carrying out the combustion mixer that mixes to gas and air, and the top of frame still is provided with water supply pipeline and gas pipeline.
The utility model discloses a further technological improvement lies in: the top of combustion mixer is provided with the air pipeline, is provided with the compressor in the air pipeline, and the compressor specifically is the roots's fan, and air pipeline passes through the hose connection with the combustion mixer for the vibration of isolated compressor.
The utility model discloses a further technological improvement lies in: the steam exhaust structure is installed to the below of main combustion chamber, and the steam exhaust structure includes water-cooling elbow and is used for controlling the backpressure controller of steam backpressure.
The utility model discloses a further technological improvement lies in: one end of the water supply pipeline is connected with a water supply system, the other end of the water supply pipeline is upwards connected to the side wall of the main combustion chamber along the steam discharge structure, and a water path of the water supply pipeline is conveyed from bottom to top.
The utility model discloses a further technological improvement lies in: the venturi nozzle is arranged at the communication position between the gas pipeline and the combustion mixer, and uniform air flow generates negative pressure after passing through the venturi nozzle, so that fuel is extracted from the outlet end of the gas pipeline, and the problems of energy waste and potential safety hazards caused by high pressure of gas in main combustion cannot be caused.
The utility model discloses a further technological improvement lies in: the steam generator is also provided with an ignition unit, the ignition unit firstly keeps the stability of ignition flame, and then gas-air mixed gas enters and is ignited to generate main flame, so that the moisture in the main combustion chamber is vaporized, the steam generation speed is high, and the energy utilization efficiency is high.
The utility model discloses a further technological improvement lies in: under the drive of gas-air mixed airflow, the generated high-temperature steam is timely conveyed to a use end through a steam discharge structure to be used, and the pressure of the steam in the main combustion chamber on the side wall of the main combustion chamber is small.
The utility model discloses a further technological improvement lies in: the gas-air mixed gas flow in the main combustion chamber is fully combusted, combustion products mainly comprise water and carbon dioxide gas which are basically clean gas, and compared with a traditional boiler steam generating device, the environment pollution is low.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a frame; 2. a main combustion chamber; 3. a combustion mixer; 4. an air line; 5. a steam discharge structure; 6. a gas pipeline; 7. a water supply pipeline.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purpose of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 1, an automatic low-pressure steam generator for maintaining a concrete member includes a frame 1, a main combustion chamber 2 is disposed at one end of the top of the frame 1, a steam discharge structure 5 is connected to the lower end of the main combustion chamber 2 through a connection flange, a combustion mixer 3 is disposed at the upper end of the main combustion chamber 2, the combustion mixer 3 is hermetically connected to the main combustion chamber 2, a water supply line 7 is disposed directly above the frame 1, one end of the water supply line 7 is connected to the steam discharge structure 5 through a connection flange, the steam discharge structure 5 includes a water-cooling elbow and a back pressure controller for adjusting the back pressure of steam in the main combustion chamber 2, the connected water line extends to the outer side wall of the main combustion chamber 2 and is connected to the main combustion chamber 2 through a connection, in the water supply mode, instead of directly spraying water into the main combustion chamber 2, the water enters the inner cavity side wall of the main combustion chamber 2 through an overflow mode, the heated area of water is increased, and stable high-temperature steam flow can be generated in a very short time and discharged from the steam discharge structure 5 for use; the other end of the water supply pipeline 7 is connected with a water supply system, and the communicated water pipeline is arranged from bottom to top, so that on one hand, the flow rate of water is slowed, the water flow has sufficient time to cool the water-cooling elbow of the steam discharge structure 5, on the other hand, the water flow can uniformly overflow into the main combustion chamber 2, the continuous and uniform output of steam is ensured, and through the principle, the water is heated to a certain temperature and then is vaporized, and the energy-saving effect is achieved;
the combustion mixer 3 at the top of the main combustion chamber 2 is connected with an air pipeline 4 and a gas pipeline 6 in a penetrating way, a compressor is arranged in the air pipeline 4, the air pipeline 4 is connected with the combustion mixer 3 through a hose, the vibration of the compressor is isolated, the compressor is a Roots blower, the Roots blower is a positive displacement blower, and the three-blade rotor structure is adopted and a reasonable structure at the air inlet and the air outlet in the shell is adopted, so that the vibration of the blower is small, the impeller and the shaft are of an integral structure and are not abraded, the performance of the blower is lasting and unchangeable, the long-term continuous operation can be realized, the intermittent operation can be realized, and the performance is stable. The air is filtered and pressurized by the compressor and enters the combustion mixer 3 at a vertical angle under the pressure of about 55.00Kpa, an air rectifier is arranged in the combustion mixer 3, and the air rectifier is specifically an air rectifying plate provided with a plurality of grids compatible in size, so that the vertically entering irregular airflow is converted into regular flowing airflow;
a venturi nozzle is arranged at the communication part between the gas pipeline 6 and the combustion mixer 3, the uniform air flow passing through the air rectifier enters the venturi nozzle, and the outlet end part of the gas pipeline 6 generates negative pressure in the process of passing through the venturi nozzle by the uniform air flow, so that the annular opening gap of the venturi nozzle can extract fuel;
before the air flow extracts and mixes the fuel gas in the fuel gas pipeline 6, the flame needs to be ignited and stabilized in the combustion mixer 3, at the moment, the fuel gas pipeline 6 is in a closed state, the top of the combustion mixer 3 is obliquely provided with an ignition unit, the ignition unit comprises an ignition generator and a fuel gas pipe, the fuel in the ignition gas pipe enters the ignition generator to be mixed with the air, the ignition generator ignites the fuel gas through a spark plug, the generated ignition flame enters the combustion mixer 3 at an angle of 45 degrees, after the ignition flame is stabilized, the fuel gas pipeline 6 is connected, the fuel gas-air mixed gas is converged with the ignition flame, so that a main flame is safely generated, the generated main flame is fully combusted, the water overflowing into the combustion mixer 3 is heated and evaporated, and the combustion process hardly generates pollution, mainly produce carbon dioxide and water, and because main flame temperature is high, can fast output steam, the security of the improvement production of this kind of ignition mode or gas-air mixture's supply mode can very big degree, compare in traditional boiler steam generating device, the utility model discloses can realize no chimney, and the pressure that produces in main combustion chamber 2 and combustion mixer 3 is minimum, can not cause pressure destruction to main combustion chamber 2 and combustion mixer 3's lateral wall, because high temperature steam's production process time is short and can in time be carried, heat loss is few, and steam temperature is than prior art's boiler steam temperature will be high, and is different with boiler production steam, the utility model discloses need not maintain a large amount of water capacity and water temperature, saved energy resource consumption.
The utility model discloses when using, at first start the compressor and supply with the air current in to main combustion chamber 2, the air current gets into the venturi nozzle behind air rectifier, gas pipeline 6 is in the closed condition this moment, the restart is lighted the unit and is igniteed the operation, treat flame stabilization back, open gas pipeline 6, make the gas in the gas pipeline 6 get into the venturi nozzle under the negative pressure drives and mix, then lighted and form stable main flame, and meanwhile, the water route of supply channel 7 is opened, supply water from bottom to top, the overflow gets into the water of 3 inner chambers of combustion mixer and flows downwards along the inner wall, at this in-process, water is evaporated fast and forms high temperature steam, from discharging through steam exhaust structure 5 under the drive of air current, at the discharge in-process, the thermal shock bending portion that the water-cooling elbow stands is corroded easily and causes the incident easily, after cooling, guarantee its normal operating temperature, and the rivers temperature after the absorbed heat rises, the energy that consumes with its vaporization in combustion mixer 3 has also been saved.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed by the preferred embodiment, it is not limited to the present invention, and any person skilled in the art can make modifications or changes equivalent to the equivalent embodiments by utilizing the above disclosed technical contents without departing from the technical scope of the present invention, but all the modifications, changes and changes of the technical spirit of the present invention made to the above embodiments are also within the scope of the technical solution of the present invention.
Claims (6)
1. The utility model provides an automatic low pressure steam generator is used in concrete member maintenance of changing, includes frame (1) that is used for the fixed each subassembly of installation, its characterized in that: the top one end of frame (1) is provided with main combustion chamber, and the top of main combustion chamber (2) is provided with and is used for carrying out burning blender (3) mixed to gas and air, and the top of frame (1) still is provided with water supply pipeline (7) and gas pipeline (6).
2. An automated low-pressure steam generator for concrete member maintenance according to claim 1, characterized in that an air line (4) is provided at the top of the combustion mixer (3), a compressor, in particular a roots blower, is provided in the air line (4), and the air line (4) is connected with the combustion mixer (3) through a hose for isolating the vibration of the compressor.
3. An automated low pressure steam generator for concrete member curing according to claim 1, characterized in that a steam discharge structure (5) is installed below the primary combustion chamber (2), and the steam discharge structure (5) comprises a water-cooled elbow and a back pressure controller for controlling the back pressure of steam.
4. The automated low-pressure steam generator for concrete member maintenance according to claim 1, wherein one end of the water supply pipeline (7) is connected with a water supply system, the other end of the water supply pipeline (7) is connected to the side wall of the main combustion chamber (2) upwards along the steam discharge structure (5), and the water path of the water supply pipeline (7) is conveyed from bottom to top.
5. An automated low-pressure steam generator for concrete member curing according to claim 1, characterized in that a venturi nozzle is provided at a communication portion between the gas pipe (6) and the combustion mixer (3), and a uniform air flow generates a negative pressure after passing through the venturi nozzle, thereby extracting fuel from an outlet end of the gas pipe (6).
6. An automatic low pressure steam generator for concrete member curing according to claim 1, wherein the steam generator is further provided with an ignition unit, the ignition unit is obliquely arranged on the top of the combustion mixer (3), the ignition unit comprises an ignition generator and an ignition gas pipe, after fuel in the ignition gas pipe enters the ignition generator to be mixed with air, the ignition gas pipe is ignited by a spark plug, and the generated ignition flame enters the combustion mixer (3) at an angle of 45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121854010.3U CN217777293U (en) | 2021-08-10 | 2021-08-10 | Automatic low-pressure steam generator is used in maintenance of concrete member of changing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121854010.3U CN217777293U (en) | 2021-08-10 | 2021-08-10 | Automatic low-pressure steam generator is used in maintenance of concrete member of changing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217777293U true CN217777293U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121854010.3U Active CN217777293U (en) | 2021-08-10 | 2021-08-10 | Automatic low-pressure steam generator is used in maintenance of concrete member of changing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217777293U (en) |
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2021
- 2021-08-10 CN CN202121854010.3U patent/CN217777293U/en active Active
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