阅读说明：本技术 一种燃气蒸汽发生器集成模块 (Gas steam generator integrated module ) 是由 李贵祥 于 2021-10-13 设计创作，主要内容包括：本发明涉及一种燃气蒸汽发生器集成模块,主要包括进水电磁阀(1)、风机(2)、温控开关(3)、止回阀(4)、主换热器(5)、火排燃烧器(6)、水流开关(7)、汽水分离器(8)、电磁式燃气阀(9)、文丘里管(10)、高温电磁阀(11)、排气阀(12)、高温泵(13)、冷凝换热器(14)、汇流管(15)、分流管(16)、控制器和机箱。燃气蒸汽发生器集成模块由两个或两个以上可以独立工作的基本模块组成,汽水分离器、文丘里管是所有基本模块的公共部件。多个集成模块可以组成集群模块机组。(The invention relates to a gas-steam generator integrated module which mainly comprises a water inlet electromagnetic valve (1), a fan (2), a temperature control switch (3), a check valve (4), a main heat exchanger (5), a fire grate burner (6), a water flow switch (7), a steam-water separator (8), an electromagnetic gas valve (9), a Venturi tube (10), a high-temperature electromagnetic valve (11), an exhaust valve (12), a high-temperature pump (13), a condensing heat exchanger (14), a confluence tube (15), a shunt tube (16), a controller and a case. The gas steam generator integrated module consists of two or more basic modules which can work independently, and the steam-water separator and the Venturi tube are common parts of all the basic modules. The plurality of integrated modules can form a cluster module unit.)

1. The utility model provides a gas steam generator collection moulding piece, mainly includes water inlet solenoid valve (1), fan (2), temperature detect switch (3), check valve (4), main heat exchanger (5), combustor (6), water flow switch (7), catch water (8), electromagnetic type gas valve (9), venturi (10), high temperature solenoid valve (11), discharge valve (12), high temperature pump (13), condensing heat exchanger (14), collecting pipe (15), shunt tubes (16), controller and quick-witted case, characterized by: the gas steam generator integrated module consists of two or more basic modules which can work independently; the combustor of the basic module is arranged below the main heat exchanger, the condensing heat exchanger is arranged above the main heat exchanger, and the fan is arranged above the condensing heat exchanger, or the fan is arranged above the main heat exchanger, and the condensing heat exchanger is arranged above the fan; in the connection sequence of the waterway parts of the basic module, a water inlet electromagnetic valve is arranged on a pipeline connected with a water inlet of the condensing heat exchanger, an outlet of the condensing heat exchanger is communicated with an inlet of a Venturi tube through a pipeline, a side suction inlet of the Venturi tube is communicated with a water outlet of a steam-water separator through a pipeline, an outlet of the Venturi tube is communicated with a water inlet of a high-temperature pump through a pipeline, a water outlet of the high-temperature pump is communicated with a water inlet of a main heat exchanger through a pipeline, and an outlet of the main heat exchanger is communicated with an inlet of the steam-water separator through a pipeline; the venturi is a common component of all the basic modules; the steam-water separator is a common component of all the basic modules; each basic module is provided with a high-temperature pump, a pipeline between the high-temperature pump and the Venturi tube is provided with a shunt pipe, or the high-temperature pump is a variable frequency pump which is a common part of all the basic modules, and the pipeline between the high-temperature variable frequency pump and the main heat exchanger is provided with the shunt pipe; a high-temperature electromagnetic valve and a water flow switch are arranged on a pipeline between each main heat exchanger and the shunt pipe; each basic module is provided with a condensing heat exchanger, or a plurality of basic modules share one condensing heat exchanger; a collecting pipe is arranged on a pipeline between the main heat exchanger and the steam-water separator, and a check valve is arranged on a pipeline between each main heat exchanger and the collecting pipe; the controller comprises a main controller and branch controllers, each basic module is provided with one branch controller, and all the basic modules share one main controller; an exhaust valve or no exhaust valve is arranged on a pipeline between the outlet of the Venturi tube and the water inlet of the high-temperature pump.

2. The gas steam generator integrated module of claim 1, wherein: the collecting pipe is a pipe with 3 passages or more than 3 passages and is provided with an outlet and two or more than two inlets.

3. The gas steam generator integrated module of claim 1, wherein: the shunt pipe is a pipe with 3 or more than 3, and is provided with an inlet and two or more than two outlets.

4. The gas steam generator integrated module of claim 1, wherein: a temperature control switch is arranged on the pipeline connected with the outlet of the main heat exchanger.

5. The gas steam generator integrated module of claim 1, wherein: two or more than two integrated modules are combined together to share one master controller, so that the cluster module unit is formed.

6. The gas steam generator integrated module of claim 1, wherein: the main heat exchanger is a single-layer or double-layer heat exchanger; the main heat exchanger is 1 heat exchanger or 2 heat exchangers connected in series or 3 heat exchangers connected in series; a fire row burner is arranged below each main heat exchanger.

7. The primary heat exchanger of claim 6, wherein: the main heat exchanger is a fin type heat exchanger or a tubular heat exchanger made of stainless steel or carbon steel, or the upper layer of the main heat exchanger is a fin type heat exchanger and the lower layer of the main heat exchanger is a tubular heat exchanger.

8. The gas steam generator integrated module of claim 1, wherein: the condensing heat exchanger is a fin type heat exchanger or a tubular heat exchanger made of stainless steel, carbon steel or copper.

9. The gas steam generator integrated module of claim 1, wherein: the combustor is a multi-nozzle fire row combustor or a water-cooled multi-nozzle fire row combustor or an air-cooled multi-nozzle fire row combustor or a multi-nozzle infrared combustor.

Technical Field

The invention relates to a steam generating device, in particular to a gas steam generator integrated module.

Background

In the existing steam module furnace technology, there is a steam module boiler with a steam-water separator, such as "a novel energy-saving direct current steam generator" with patent number CN201620454658.4, a cold water inlet and a cold water outlet of the steam separator of the steam generator are connected with a water inlet of a booster pump through a tee joint, a water outlet of the booster pump is connected with a heat exchanger, an outlet of the heat exchanger is connected with the steam-water separator, the steam generator adopts an intermittent water supplementing mode, firstly, cold water is supplemented into the steam separator, then water supplementing is stopped, water is pumped into the heat exchanger by a pump, heating is carried out to steam, after the water level drops to a certain degree after 10 seconds of operation, cold water is supplemented again, and the cycle is repeated, so that the water pump and the heat exchanger need to bear cold and hot alternation every 10 seconds, the temperature difference change is large, the water is suddenly cooled, the heat expansion and cold contraction are frequent, the steam module boiler is easy to damage, and the product failure rate is high.

The problems that the fault rate of products is high and the product public praise is high commonly exist in the gas through-flow steam generator with the modular structure in the current market, and the modular steam generator is eliminated by the market if the problem that the fault rate of the products is high is not solved.

The invention aims to manufacture a steam module boiler which can effectively reduce the thermal expansion and cold contraction degree of a heat exchanger and a circulating pump, reduce the failure rate and the after-sale cost by about 70 percent and ensure that the steam module boiler has higher commercial value.

The novel steam generator with the modular structure avoids the defects of the prior art, eliminates main fault points, reduces the expansion degree with heat and the contraction degree with cold by 80 percent, fundamentally solves the problem of higher fault rate, greatly prolongs the service life of equipment, directly reduces the product fault rate by about 70 percent, and is a great breakthrough in the technology.

Disclosure of Invention

The invention is realized by the following steps: the utility model provides a gas steam generator collection moulding piece, mainly includes water inlet solenoid valve (1), fan (2), temperature detect switch (3), check valve (4), main heat exchanger (5), combustor (6), water flow switch (7), catch water (8), electromagnetic type gas valve (9), venturi (10), high temperature solenoid valve (11), discharge valve (12), high temperature pump (13), condensing heat exchanger (14), collecting pipe (15), shunt tubes (16), controller and quick-witted case, characterized by: the gas steam generator integrated module consists of two or more basic modules which can work independently; the combustor of the basic module is arranged below the main heat exchanger, the condensing heat exchanger is arranged above the main heat exchanger, and the fan is arranged above the condensing heat exchanger, or the fan is arranged above the main heat exchanger, and the condensing heat exchanger is arranged above the fan; in the connection sequence of the waterway parts of the basic module, a water inlet electromagnetic valve is arranged on a pipeline connected with a water inlet of the condensing heat exchanger, an outlet of the condensing heat exchanger is communicated with an inlet of a Venturi tube through a pipeline, a side suction inlet of the Venturi tube is communicated with a water outlet of a steam-water separator through a pipeline, an outlet of the Venturi tube is communicated with a water inlet of a high-temperature pump through a pipeline, a water outlet of the high-temperature pump is communicated with a water inlet of a main heat exchanger through a pipeline, and an outlet of the main heat exchanger is communicated with an inlet of the steam-water separator through a pipeline; the venturi is a common component of all the basic modules; the steam-water separator is a common component of all the basic modules; each basic module is provided with a high-temperature pump, a pipeline between the high-temperature pump and the Venturi tube is provided with a shunt pipe, or the high-temperature pump is a variable frequency pump which is a common part of all the basic modules, and the pipeline between the high-temperature variable frequency pump and the main heat exchanger is provided with the shunt pipe; a high-temperature electromagnetic valve and a water flow switch are arranged on a pipeline between each main heat exchanger and the shunt pipe; each basic module is provided with a condensing heat exchanger, or a plurality of basic modules share one condensing heat exchanger; a collecting pipe is arranged on a pipeline between the main heat exchanger and the steam-water separator, and a check valve is arranged on a pipeline between each main heat exchanger and the collecting pipe; the controller comprises a main controller and branch controllers, each basic module is provided with one branch controller, and all the basic modules share one main controller; an exhaust valve or no exhaust valve is arranged on a pipeline between the outlet of the Venturi tube and the water inlet of the high-temperature pump.

And (3) running a program by the machine: after a power supply is turned on and a main control is started, the fan is started firstly, fresh air is changed, the program self-inspection is carried out, each function is normal, an external water replenishing pump is started, a water inlet electromagnetic valve is started, water is replenished into the heat exchanger, a high-temperature pump is started after a water flow switch detects that water flows through, a gas electromagnetic valve and an ignition device are started, the starting process of the machine is completed, and after the machine is normally started, water can be continuously replenished and steam can be continuously generated. After the machine is stopped, the sewage discharge function is started, the fan continues to operate for 3-5 minutes, the waste gas in the machine is discharged, and then the machine is shut down. Each module can operate independently, and any module in a plurality of modules can be started or stopped according to the requirement, such as a unit with 10 modules, the evaporation capacity is 1 ton, 100 kilograms of evaporation capacity of each module is started, and the evaporation capacity is 500 kilograms. The control program has a timing function, and the modules can be automatically started or switched or closed according to the service time of each module, so that the service time of the modules is similar, and the problems that the service time of some modules is too long and the service time of some modules is too short are avoided.

The collecting pipe is a pipe with 3 passages or more than 3 passages and is provided with an outlet and two or more than two inlets.

The shunt pipe is a pipe with 3 or more than 3, and is provided with an inlet and two or more than two outlets.

Two or more than two integrated modules are combined together to share one master controller, so that the cluster module unit is formed.

The high-temperature pump can resist the temperature of more than 100 ℃, and the high-temperature pump which can resist the temperature of more than 170 ℃ is recommended.

And a collecting pipe is arranged between the outlets of the main heat exchangers and the steam-water inlet of the steam-water separator, and a check valve is arranged between each outlet of the main heat exchangers and the collecting pipe. The check valve is also called a one-way valve and is arranged to prevent water in the collecting pipe from flowing back to the heat exchanger and ensure that each module can work independently and do not interfere with each other. The collecting pipe has 1 export and 2 or more than 2 entrances, and the export of collecting pipe and catch water's high temperature water inlet pipeline intercommunication, the entry of collecting pipe and main heat exchanger's outlet pipe intercommunication.

Several basic modules share one condensing heat exchanger: taking 6 basic modules as an example, 6 basic modules can share one condensing heat exchanger, or 2 condensing heat exchangers can be adopted, and 3 basic modules share one condensing heat exchanger.

The water flow switch is arranged on a pipeline between the outlet of the high-temperature pump and the inlet of the main heat exchanger, the water flow switch detects a signal that water flows through, and the CPU processor sends out a signal for executing the ignition of the fire-exhaust burner.

A temperature control switch is arranged on the pipeline connected with the outlet of the main heat exchanger. The temperature control switch is a clamping tube type snap switch, and when the temperature is too high, the operation of the module can be stopped.

The steam pipeline is provided with a pressure transmitter. The pressure transmitter detects the change of water consumption by detecting the pressure change in the container or the pipeline, and then controls the rotating speed of the external booster pump through the frequency converter, thereby adjusting the water supply amount.

The water inlet electromagnetic valve is a normal-temperature water inlet electromagnetic valve and a high-temperature water inlet electromagnetic valve, the normal-temperature water inlet electromagnetic valve is used on a pipeline in front of a water inlet of the condensing heat exchanger, and the high-temperature water inlet electromagnetic valve is used on a pipeline between an outlet of the steam-water separator and the main heat exchanger.

The controller comprises a main controller and a branch controller, wherein the main controller further comprises a CPU processor, a PLC display screen and a PLC module.

The steam-water separator is made up by using three types of cyclone type steam-water separator, baffle type steam-water separator and adsorption type steam-water separator, and said steam-water separator possesses an inlet, a steam outlet and an automatic drain valve. For example, a cyclone steam-water separator consists of a cylinder, an upper cover, spiral guide vanes, a partition plate, an inlet, a bottom cover, a steam flow reversing pipe, a steam outlet, a water outlet and a floating ball type automatic drain valve.

The steam-water separator is provided with a water level detector or is not provided with the water level detector; the water level detector is a water level sensor or a water level switch. The water level detector is used as an optional component and can be installed or not installed according to needs. The water level detector may be provided in the steam-water separator.

The steam generator has pressure protecting switch, pressure transmitter, gas filter, vacuum breaking valve, heat dissipating fan, frequency converter, temperature transmitter, blowdown valve, buzzer and water replenishing pump. The pressure protection switch is arranged on a steam pipeline, or the pressure protection switch is arranged on a pipeline between the outlet of the main heat exchanger and the steam-water separator, or the pressure protection switch is arranged on a pipeline between the steam-water separator and the main heat exchanger. The pressure transmitter detects the change of water consumption by detecting the pressure change in the container or the pipeline, and then controls the rotating speed of an external water feeding pump through a frequency converter, thereby adjusting the water supply amount. The pressure transmitter can be installed on a steam pipeline inside the machine or on a steam pipeline outside the machine. The vacuum breaking valve is also called a vacuum breaker and is generally arranged on a steam pipeline, and after the machine is closed, steam reserved in the pipeline can be condensed to cause vacuum, so that air needs to be supplemented to prevent vacuum from being formed and damaging the machine. The waste valve is typically located at the lowest point of the waterway to empty the accumulated water in the pipeline when needed.

The main heat exchanger is a single-layer or double-layer heat exchanger; the main heat exchanger is 1 heat exchanger or 2 heat exchangers connected in series or 3 heat exchangers connected in series; a fire row burner is arranged below each main heat exchanger. The main heat exchanger is a fin type heat exchanger or a tubular heat exchanger made of stainless steel or carbon steel, or the upper layer of the main heat exchanger is a fin type heat exchanger and the lower layer of the main heat exchanger is a tubular heat exchanger. The finned heat exchanger is provided with a plurality of metal sheets on a pipeline, so that the heat exchange area is increased, and the heat exchange efficiency is improved.

The condensing heat exchanger is a fin type heat exchanger or a tubular heat exchanger made of stainless steel, carbon steel or copper. The finned heat exchanger consists of a pipeline and fins, metal sheets are fully distributed on the pipeline, the heat exchange area is increased, water flows through the pipeline, and smoke flows through gaps of the fins. The supplemented cold water firstly enters the condensation heat exchanger to absorb the waste heat of the flue gas and then enters the main heat exchanger to be heated.

The electromagnetic gas valve is an electromagnetic gas on-off valve or an electromagnetic gas proportional valve. The electromagnetic gas on-off valve can only switch on or off the gas and can not adjust the size of the gas. The electromagnetic gas proportional valve can adjust the gas flow.

The combustor is a multi-nozzle fire row combustor or a water-cooled multi-nozzle fire row combustor or an air-cooled multi-nozzle fire row combustor or a multi-nozzle infrared combustor. The air-cooled or water-cooled multi-nozzle fire row combustor can effectively reduce the emission of nitrogen oxides, and the emission of NOx can reach below 30 mg/cubic meter. The multi-nozzle infrared burner is based on the multi-nozzle fire row burner, a ceramic honeycomb plate or a metal honeycomb plate is additionally arranged on the burner, the burning flame can emit infrared light, and the burning efficiency is higher.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present invention

FIG. 2 is a schematic structural diagram of a second embodiment of the present invention

Detailed Description

The invention is further described below with reference to the accompanying drawings.

First embodiment

Referring to fig. 1, the gas-steam generator integrated module mainly comprises a water inlet electromagnetic valve (1), a fan (2), a temperature control switch (3), a check valve (4), a main heat exchanger (5), a fire grate burner (6), a water flow switch (7), a steam-water separator (8), an electromagnetic gas valve (9), a venturi tube (10), a high-temperature electromagnetic valve (11), an exhaust valve (12), a high-temperature pump (13), a condensing heat exchanger (14), a collecting pipe (15), a shunt pipe (16), a blow-down valve (17), a controller and a case. The gas steam generator integrated module consists of two basic modules which can work independently; the fire row burner of the basic module is arranged below the main heat exchanger, the condensing heat exchanger is arranged above the main heat exchanger, and the fan is arranged above the condensing heat exchanger; in the connection sequence of the waterway components of the basic module, a pipeline connected with a water inlet of the condensing heat exchanger is provided with a water inlet electromagnetic valve, an outlet of the condensing heat exchanger is communicated with an inlet of a Venturi tube through a pipeline, a side suction inlet of the Venturi tube is communicated with a water outlet of a steam-water separator through a pipeline, an outlet of the Venturi tube is communicated with a water inlet of a high-temperature pump through a pipeline, a water outlet of the high-temperature pump is communicated with a water inlet of a main heat exchanger through a pipeline, and an outlet of the main heat exchanger is communicated with an inlet of the steam-water separator through a pipeline; the venturi is a common component of both base modules; the steam-water separator is a common part of two basic modules; the two basic modules are respectively provided with a high-temperature pump, a pipeline between the high-temperature pump and the Venturi tube is provided with a shunt tube, and the shunt tube is a 3-way tube; a high-temperature electromagnetic valve and a water flow switch are respectively arranged on the pipelines between the two main heat exchangers and the flow dividing pipe; the two basic modules are respectively provided with a condensing heat exchanger; a collecting pipe is arranged on a pipeline between the main heat exchangers and the steam-water separator, and a check valve is respectively arranged on the pipelines between the two main heat exchangers and the collecting pipe; the controller comprises a main controller and branch controllers, the two basic modules are respectively provided with one branch controller, and all the basic modules share one main controller; an exhaust valve is arranged on a pipeline between the outlet of the Venturi tube and the water inlet of the high-temperature pump; the blow-off pipe is connected with a pipeline between the Venturi tube and the high-temperature pump, and a blow-off valve is arranged on the blow-off pipe; the steam-water separator is a cyclone steam-water separator, and the bottom of the steam-water separator is provided with a ball float valve; the temperature control switch is a pipe clamp type temperature control switch and is arranged on a pipeline connected with the outlet of the main heat exchanger.

Second embodiment

Referring to fig. 2, a gas steam generator integrated module mainly includes a water inlet solenoid valve (1), a fan (2), a temperature control switch (3), a check valve (4), a main heat exchanger (5), a fire row burner (6), a water flow switch (7), a steam-water separator (8), an electromagnetic gas valve (9), a venturi tube (10), a high temperature solenoid valve (11), an exhaust valve (12), a high temperature pump (13), a condensing heat exchanger (14), a collecting pipe (15), a shunt pipe (16), a controller and a case. The high-temperature pump is a common component of the two basic modules, and the shunt pipe is arranged on a pipeline between the high-temperature pump and the main heat exchanger. The rest of the parts not described are the same as those of the first embodiment and are not repeated.