CN217464380U - Steam module - Google Patents

Abstract

The utility model discloses a steam module, include: the inside of the shell is a cavity; the combustion assembly comprises a gas pipeline and at least two combustors, each combustor is sequentially transversely arranged at the lower part of the cavity, and each combustor is connected with the gas pipeline in parallel; the heat exchange assembly is arranged in the cavity and positioned above the combustor, and comprises a plurality of layers of heat exchange tube layers which are distributed up and down and connected in series; the condensation assembly comprises a condenser, a first water inlet pipe and a first water outlet pipe, the condenser comprises a condensation box and a condensation pipe arranged in the condensation box, and at least two condensers are sequentially transversely arranged on the top of the shell; a plurality of combustors are integrated to be installed in the same cavity of casing, set up corresponding heat exchange assembly according to the horizontal size of cavity or the integrated horizontal size of each combustor, can share the produced high temperature flue gas of each combustor, reduce the installation space occupation between the combustor, simplify connection and installation between each pipeline, overall structure is compact.

Description

Steam module

Technical Field

The utility model relates to a water treatment facilities technical field, in particular to steam module.

Background

The steam engine usually uses modular structure, can set up a plurality of heating modules in a steam module, generally is independent work between each module, uses independent burning chamber and heat transfer chamber between each module, and the cooperation is independent combustor and heat exchanger work. The modules are connected through respective pipelines, and installation spaces are reserved among the modules, so that the occupied space of the whole equipment is large, and the pipeline connection is very complex.

SUMMERY OF THE UTILITY MODEL

The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides a steam module.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

according to the utility model discloses a steam module of first aspect embodiment includes:

the inner part of the shell is a cavity;

the combustion assembly comprises a gas pipeline and at least two combustors, each combustor is sequentially transversely arranged at the lower part of the cavity, and each combustor is connected with the gas pipeline in parallel;

the heat exchange assembly is arranged in the cavity and positioned above the combustor, and comprises a plurality of layers of heat exchange tube layers which are distributed up and down, and the heat exchange tube layers are connected in series;

the condensation subassembly, including condenser, first inlet tube and first outlet pipe, the condenser includes the condensation box and installs condenser pipe in the condensation box, at least two the condenser is in horizontal in proper order installed the casing top, the inner chamber of condensation box with the cavity intercommunication, each the end of intaking of condenser pipe with first inlet tube parallel connection, each the play water end of condenser pipe with first outlet pipe parallel connection, the play water end of first outlet pipe with heat exchange assemblies's the end of intaking is connected.

According to the utility model discloses steam module has following beneficial effect at least: a plurality of combustors are integrated to be installed in the same cavity of casing, set up corresponding heat exchange assembly according to the horizontal size of cavity or the integrated horizontal size of each combustor, can share the produced high temperature flue gas of each combustor, reduce the installation space occupation between the combustor, simplify connection and installation between each pipeline, overall structure is compact.

According to some embodiments of the utility model, the condenser still includes the fan, the fan is connected the cavity with between the condensation box, the fan will flue gas in the cavity toward condensation box direction is pumped.

According to the utility model discloses a some embodiments, first outlet pipe with install the water pump between the heat transfer module, the water pump will the water of first outlet pipe toward the heat transfer module direction is carried, solenoid valve and rivers sensor are installed to the delivery end department of water pump.

According to some embodiments of the utility model, each the condenser pipe with be equipped with first check valve between the first outlet pipe.

According to some embodiments of the invention, the combustor with the condenser sets up the quantity the same, and one the condenser correspondence is located one the top of combustor.

According to some embodiments of the utility model, heat exchange assembly sets up the at least three-layer the heat transfer tube layer is located the superiors the heat transfer tube layer with first water piping connection is located arbitrary one deck between the superiors and the lowest layer the heat transfer tube layer is as the exhaust layer, and hot water or steam are followed the tail end of exhaust layer is discharged, just the tail end of exhaust layer is equipped with the second check valve.

According to some embodiments of the utility model, be located the upper strata the heat transfer tube layer with be located the lower floor install the needle valve between the connecting tube on heat transfer tube layer, the play water end department of needle valve is equipped with the current-limiting piece.

According to the utility model discloses a some embodiments still include preheating water pipe, preheating water pipe alternates in each the combustor, preheating water pipe preheats by a plurality of sections and is in charge of series connection, and every it has one section or at least two sections to alternate in the combustor preheating is in charge of.

According to some embodiments of the invention, a gas valve is installed at a main gas inlet end of the gas pipeline.

According to some embodiments of the utility model, the condensation box inside separates to be air inlet chamber and exhaust fume chamber, air inlet chamber with top intercommunication between the exhaust fume chamber, air inlet chamber with the cavity intercommunication, the condenser pipe is installed in the air inlet chamber, the exhaust fume chamber bottom is equipped with the drain pipe, the exhaust port has been seted up to the lower part in exhaust fume chamber, exhaust port position is higher than the mounted position of drain pipe.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure in the front view direction of FIG. 1;

fig. 3 is a schematic diagram of the internal structure of the condenser of the present invention.

Reference numerals:

a housing 100; a cavity 101;

a gas line 210; a burner 220;

a heat exchange assembly 300; a heat exchange tube layer 310; a needle valve 311;

a condenser 410; a condensation box 411; a condenser pipe 412; an air inlet chamber 413; a smoke exhaust cavity 414; a drain 415; a smoke exhaust 416; a first water inlet pipe 420; a first outlet pipe 430; a fan 440;

the preheating water pipe 500 preheats the branch pipe 510.

A water pump 600; a solenoid valve 610; a water flow sensor 620.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The utility model relates to a steam module, including casing 100, combustion assembly, heat exchange assemblies 300 and condensation subassembly.

As shown in fig. 1 and 2, the wall of the housing 100 may be made of sheet metal, heat insulating cotton, or the like. The interior of the housing 100 forms a cavity 101, and the cavity 101 is used as a combustion chamber of the combustion assembly and a heat exchange chamber of the heat exchange assembly 300. The combustion assembly includes a gas pipe 210 and a burner 220, and the burner 220 can also be a fire grate to burn with gas as a medium. At least two burners 220 are mounted within the cavity 101. In this embodiment, three burners 220 are installed at the bottom inside the cavity 101 in order from the left to the right. The gas pipeline 210 is located outside the casing 100, and according to the number of the burners 220, the gas pipeline 210 is provided with gas branch pipes corresponding to the number of the gas branch pipes, and each gas branch pipe penetrates into the casing 100 and is connected with each burner 220 in a one-to-one correspondence manner, namely, each burner 220 is connected with the gas pipeline 210 in parallel. A gas line 210 supplies gas to each burner 220. In the present embodiment, preferably, a gas valve (not shown) is installed at the main gas inlet end of the gas pipeline 210, and the gas valve is used to uniformly control the gas opening and closing of the gas pipeline 210, thereby simplifying operation and reducing component cost. In practical use, it is found that 2 to 4 burners 220 with the same displacement are connected in parallel to one gas pipeline 210, total control is performed through one gas valve, individual control over each burner 220 is not needed, and the combustion effect of each burner 220 is very uniform. The heat exchange assembly 300 is installed in the cavity 101 above the burner 220. The heat exchange assembly 300 comprises a plurality of layers of heat exchange tube layers 310, the heat exchange tube layers 310 are formed by connecting a plurality of metal heat exchange tubes parallel to each other on the same horizontal plane in series, two ends of each heat exchange tube can extend out of the shell 100, and the heat exchange tubes on the same layer are connected through elbows. The heat exchange tube layers 310 are sequentially distributed from top to bottom in the cavity 101, and the heat exchange tube layers 310 are connected in series in a certain order. Can be that each layer heat transfer tube layer 310 is series connection in proper order from top to bottom, in this embodiment, as shown in fig. 2, this steam module is used for generating steam, and heat exchange assembly 300 sets up four layers of heat transfer tube layer 310, and the heat transfer tube layer 310 of the superiors is the first layer, and the heat transfer tube layer 310 of the lower floor is the fourth layer, and its series connection's order is: a first layer, a second layer, a fourth layer, and a third layer. The burner 220 burns the fuel gas to generate high-temperature flue gas, and the high-temperature flue gas contacts with the outer walls of the heat exchange tube layers 310 of the respective layers in the cavity 101 of the casing 100 to exchange heat. Fins may be disposed on the tube wall of each heat exchange tube layer 310 to increase the heat exchange area. The heat exchange tube layer 310 of the first layer is used as a water inlet layer, water enters the heat exchange assembly 300 from the heat exchange tube layer 310 of the first layer, then flows through the first layer, the second layer and the fourth layer in sequence, the water is gradually heated to a steam state, the third layer is used as a steam discharge layer, and the steam finally enters the heat exchange tube layer 310 of the third layer and is discharged for a user to use. Due to the climbing action of the steam flowing from the fourth layer to the third layer, liquid water drops possibly contained in the steam flow back to the fourth layer to continue heating, so that the content of liquid water is increased when the steam is discharged from the third layer heat exchange tube layer 310. Wherein, the tail end (i.e. steam discharge end) of the discharge layer is provided with a second check valve (not shown in the figure) to ensure the unidirectional flow discharge of the steam. In this embodiment, the second heat exchange tube layer 310 is connected to the heat exchange tube layer 310 on the lowest layer through a connecting pipe, a needle valve 311 is installed on the connecting pipe, and a flow restriction sheet is arranged at the water outlet end of the needle valve 311. The size of water flow entering the heat exchange tube layer 310 at the lowest layer is controlled by adjusting the needle valve 311, and the maximum water flow entering the heat exchange tube layer 310 at the lowest layer is controlled and limited by the flow limiting sheet, so that the heat exchange efficiency is ensured. A condensing assembly is installed at the top of the casing 100, and the condensing assembly includes a condenser 410, a first water inlet pipe 420, and a first water outlet pipe 430. At least two condensers 410 are installed on the top of the casing 100, each condenser 410 comprises a condensing box 411 and a condensing pipe 412, each condensing pipe 412 is installed in each condensing box 411, and the condensing boxes 411 are sequentially arranged transversely from left to right and fixed on the top of the casing 100 and communicated with the cavity 101. The condensation pipe 412 is in a winding pipe shape, the water inlet and outlet of the condensation pipe 412 can be distributed up and down, the upper end can be used as a water inlet end, and the lower end can be used as a water outlet end, or the upper end can be used as a water outlet end and the lower end can be used as a water inlet end. The first water inlet pipe 420 is positioned outside the condensation box 411, the first water inlet pipe 420 is provided with a plurality of branch pipes, each branch pipe extends into the condensation box 411 and is connected with the water inlet end of each condensation pipe 412, namely, the water inlet end of each condensation pipe 412 is connected with the first water inlet pipe 420 in parallel; the first outlet pipe 430 is divided into a plurality of branch pipes, and each branch pipe extends into the condensation box 411 to be connected with the outlet end of each condensation pipe 412, i.e. the outlet end of each condensation pipe 412 is connected with the first outlet pipe 430 in parallel. The first water inlet pipe 420 is connected to an external water supply system, and the first water outlet pipe 430 is connected to the water inlet end of the heat exchange assembly 300, in this embodiment, the water outlet end of the first water outlet pipe 430 is connected to the water inlet end of the first heat exchange pipe layer 310.

In operation, the external water supply system supplies water to the condensation pipes 412 of the respective condensation units through the first water inlet pipe 420, and the water flows to the heat exchange unit 300 through the condensation pipes 412. The burner 220 is activated to generate high-temperature flue gas, and the high-temperature flue gas exchanges heat with water through the heat exchange tube layer 310 in the cavity 101. The flue gas rises after heat exchange and flows into the condensation box 411, the waste heat of the flue gas exchanges heat with the water in the condensation pipe 412 in the condensation box 411, and the flue gas after heat exchange is discharged from the condensation box 411 to the outside environment. The water is preheated in the condensation duct 412, flows into the heat exchange assembly 300, and is heated to a steam state. The utility model discloses install a plurality of combustors 220 are integrated in same cavity 101 of casing 100, set up corresponding heat exchange assembly 300 according to the horizontal size of cavity 101 or the integrated horizontal size of each combustor 220, can share the produced high temperature flue gas of each combustor 220, reduce the installation space occupation between combustor 220, simplify connection and installation between each pipeline, overall structure is compact. The steam module is used as an integral device or is installed in a steam furnace as a module for use, and the steam production efficiency is high.

As shown in fig. 1, in some embodiments of the present invention, each condenser 410 further includes a blower fan 440, and the blower fan 440 is installed outside the casing 100 to connect the cavity 101 and the condensation box 411. The flue gas in the cavity 101 is pumped towards the condensing box 411 by the fan 440, so that the flow speed of the flue gas in the cavity 101 is increased. Among them, it is preferable that the number of the burners 220 is the same as that of the condensers 410. In addition, in terms of space, preferably, a condenser 410 is correspondingly located right above a burner 220, and the flue gas generated by the burner 220 can flow upward toward the condensing box 411 right above, so as to keep the air pressure and the flow balance of the flue gas in the cavity 101.

In some embodiments of the present invention, a water pump 600 is installed between the first water outlet pipe 430 and the heat exchange assembly 300, and the water in the first water outlet pipe 430 is transported toward the heat exchange assembly 300 by the water pump 600. The conventional steam equipment is supplied with water by pressurizing each module in the equipment through a main water pump, and the main water pump is generally arranged at the inlet of the condensing equipment. The utility model discloses a steam module can regard as a module, and every module pressurizes through a water pump 600 promptly, and water pump 600 set up the position and be the extraction effect to condenser pipe 412, reduce the impact of water to condenser pipe 412 to reduce the risk of leaking. Further, an electromagnetic valve 610 and a water flow sensor 620 are installed at the water outlet end of the water pump 600, the electromagnetic valve 610 controls the opening and closing of the water outlet end of the water pump 600, and the water flow sensor 620 can detect the flow of the water currently entering the heat exchange assembly 300. Therefore, whether the water entering the heat exchange assembly 300 is excessive or not is effectively monitored and controlled, and the working safety coefficient is improved.

Further, a first check valve (not shown) is installed at a connection position between each condensation pipe 412 and the first water outlet pipe 430, and the first check valve ensures that water in the condensation pipe 412 is unidirectionally conveyed to the first water outlet pipe 430, so as to prevent the water in the first water outlet pipe 430 from flowing backwards.

In some embodiments of the present invention, the steam module further comprises a preheating water pipe 500, and the preheating water pipe 500 is inserted into the burner 220. The water path connection of the preheating water pipe 500 may be that the water inlet and outlet ends of the preheating water pipe 500 are connected with the water tank of the external water supply system, the internal waste heat of the burner 220 is recycled, the preheated water flows back to the water tank of the water supply system, and the water in the water tank is supplied to the first water inlet pipe 420. Alternatively, the water inlet end of the preheating water pipe 500 is connected to the water tank of the water supply system, and the water outlet end of the preheating water pipe 500 is connected to the water inlet end of the first water inlet pipe 420. After entering the preheating water pipe 500, the water in the water tank is preheated by the preheating water pipe 500 and the burner 220 for the first time, and then flows to the first water inlet pipe 420 and then is distributed to the condensing pipes 412 for the second preheating. Specifically, one or more sections of the preheating branched pipes 510 are inserted into one burner 220, and the preheating branched pipes 510 of adjacent burners 220 are sequentially connected in series through joints to form the preheating water pipe 500.

In some embodiments of the present invention, as shown in fig. 3, the condensation box 411 is rectangular box-shaped, and the inside of the condensation box 411 can be divided into an air inlet cavity 413 and a smoke exhaust cavity 414 by a partition plate. The air inlet chamber 413 and the smoke exhaust chamber 414 are communicated at the inner top of the condensation box 411. The bottom of the air inlet chamber 413 may be in communication with the cavity 101 via a blower 440. The condensation duct 412 is installed in the inlet chamber 413. A drain pipe 415 and a smoke discharge port 416 are provided on the wall of the smoke discharge chamber 414, and the drain pipe 415 is connected to the bottom of the smoke discharge chamber 414. The smoke exhaust 416 is located at the lower portion of the smoke exhaust cavity 414, and the smoke exhaust 416 is located above the connection of the water discharge opening and the smoke exhaust cavity 414. The flue gas enters the air inlet cavity 413 from the cavity 101 to exchange heat with the condensing pipe 412, and then rises to the top of the condensing box 411 to turn into the smoke exhaust cavity 414. The flue gases then descend to be discharged from the exhaust port 416 into the external environment. The air inlet cavity 413 and the strong arrangement of the smoke exhaust increase the path of the smoke flowing. The smoke evacuation process produces condensed water in the smoke evacuation chamber 414, which flows down the walls of the smoke evacuation chamber 414 and is drained through the drain 415.

In the description herein, references to the description of "some specific embodiments" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A steam module, comprising:

a shell (100), wherein the interior of the shell (100) is a cavity (101);

the combustion assembly comprises a gas pipeline (210) and at least two combustors (220), each combustor (220) is sequentially transversely arranged at the lower part of the cavity (101), and each combustor (220) is connected with the gas pipeline (210) in parallel;

the heat exchange assembly (300) is installed in the cavity (101) and located above the combustor (220), the heat exchange assembly (300) comprises a plurality of layers of heat exchange tube layers (310) distributed up and down, and the heat exchange tube layers (310) are connected in series;

the condensation assembly comprises a condenser (410), a first water inlet pipe (420) and a first water outlet pipe (430), wherein the condenser (410) comprises a condensation box (411) and a condensation pipe (412) arranged in the condensation box (411), at least two condensers (410) are sequentially and transversely arranged on the top of the shell (100), an inner cavity of the condensation box (411) is communicated with the cavity (101), water inlet ends of the condensation pipes (412) are connected with the first water inlet pipe (420) in parallel, water outlet ends of the condensation pipes (412) are connected with the first water outlet pipe (430) in parallel, and water outlet ends of the first water outlet pipe (430) are connected with a water inlet end of the heat exchange assembly (300).

2. The steam module of claim 1, wherein: the condenser (410) further comprises a fan (440), the fan (440) is connected between the cavity (101) and the condensing box (411), and the fan (440) pumps the smoke in the cavity (101) towards the condensing box (411).

3. The steam module of claim 1, wherein: the water pump (600) is installed between the first water outlet pipe (430) and the heat exchange assembly (300), the water pump (600) conveys water of the first water outlet pipe (430) to the direction of the heat exchange assembly (300), and the electromagnetic valve (610) and the water flow sensor (620) are installed at the water outlet end of the water pump (600).

4. A steam module according to claim 1 or 3, wherein: a first check valve is arranged between each condensation pipe (412) and the first water outlet pipe (430).

5. The steam module according to claim 1 or 2, wherein: the number of the burners (220) is the same as that of the condensers (410), and one condenser (410) is correspondingly positioned above one burner (220).

6. The steam module of claim 1, wherein: heat exchange assembly (300) set up the three-layer at least heat exchange tube layer (310), be located the superiors heat exchange tube layer (310) with first outlet pipe (430) are connected, are located arbitrary one deck between the superiors and the lowest layer heat exchange tube layer (310) are as the exhaust layer, and hot water or steam are followed the tail end of exhaust layer is discharged, just the tail end of exhaust layer is equipped with the second check valve.

7. The steam module of claim 6, wherein: be located the upper strata heat transfer pipe layer (310) with be located the lower floor install needle valve (311) between the connecting tube on heat transfer pipe layer (310), the delivery end department of needle valve (311) is equipped with the current-limiting piece.

8. The steam module of claim 1, wherein: the preheating device is characterized by further comprising preheating water pipes (500), wherein the preheating water pipes (500) are inserted into the burners (220), the preheating water pipes (500) are connected in series through a plurality of sections of preheating branched pipes (510), and one section or at least two sections of preheating branched pipes (510) are inserted into each burner (220).

9. The steam module of claim 1, wherein: and a gas valve is installed at the main gas inlet end of the gas pipeline (210).

10. A steam module according to claim 1 or 2, wherein: condensation box (411) internal partitioning is intake chamber (413) and smoke exhaust cavity (414), intake chamber (413) with top intercommunication between smoke exhaust cavity (414), intake chamber (413) with cavity (101) intercommunication, condenser pipe (412) are installed in intake chamber (413), smoke exhaust cavity (414) bottom is equipped with drain pipe (415), smoke exhaust cavity (414)'s lower part has been seted up exhaust port (416), exhaust port (416) position is higher than the mounted position of drain pipe (415).

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