CN211290000U

CN211290000U - Modular steam plant

Info

Publication number: CN211290000U
Application number: CN201921691863.2U
Authority: CN
Inventors: 毛利梅
Original assignee: Xinnengke Electric Co ltd
Current assignee: Xinnengke Electric Co ltd
Priority date: 2019-10-10
Filing date: 2019-10-10
Publication date: 2020-08-18
Anticipated expiration: 2029-10-10

Abstract

The utility model discloses a modular steam device, wherein condensers of each steam module are connected in series in sequence to form a first passage; the heat exchangers of the steam modules are sequentially connected in series to form a second passage; the steam generators of the steam modules are sequentially connected in series to form a third passage; the first passage and the second passage are utilized to preheat water for two times, so that heat in high-temperature flue gas is effectively recycled, and the preheated water can be heated to a steam state in the steam generator by only relatively less heat of the combustion fire grate, so that energy is effectively saved, and the heat energy utilization rate is greatly improved; the first channel, the second channel and the third channel are matched, so that the path structure of water circulation in the rack is simplified, and the space utilization rate is effectively improved; the secondary preheating treatment can also effectively improve the flow speed and flow of water in the steam generator, thereby improving the working efficiency.

Description

Modular steam plant

Technical Field

The utility model relates to a steam equipment technical field, in particular to modular steam equipment.

Background

With the development of society, the application of steam equipment is increasingly wide, and current steam equipment utilizes a plurality of module combinations usually, but equipment internal piping is complicated, and occupation space is many, and heat utilization rate is low.

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 modular steam equipment can effectively improve heat utilization rate.

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

the modular steam plant according to the embodiment of the first aspect of the present invention comprises a frame and a plurality of steam modules installed in the frame, wherein the steam modules comprise a combustion grate, a steam generator and a condenser, and the steam modules further comprise a heat exchanger installed above the steam generator; the condensers of the steam modules are sequentially connected in series to form a first passage; the heat exchangers of the steam modules are sequentially connected in series to form a second passage; the steam generators of the steam modules are sequentially connected in series to form a third passage; the first passage, the second passage and the third passage are sequentially connected to form a main passage; still install water pump, water inlet main, steam main in the frame, the head end of first passageway with water inlet main connects, the tail end of third passageway with steam main connects, the water pump with water inlet main connects.

According to the utility model discloses modular steam equipment has following beneficial effect at least: the first passage and the second passage are utilized to preheat water for two times, so that heat in high-temperature flue gas is effectively recycled, and the preheated water can be heated to a steam state in the steam generator by only relatively less heat of the combustion fire grate, so that energy is effectively saved, and the heat energy utilization rate is greatly improved; the first channel, the second channel and the third channel are matched, so that the path structure of water circulation in the rack is simplified, and the space utilization rate is effectively improved; the secondary preheating treatment can also effectively improve the flow speed and flow of water in the steam generator, thereby improving the working efficiency.

According to some embodiments of the present invention, at least every third steam module forms a group module, at least one group module is installed in the rack, and each group module is separately provided with one first passage, one second passage, and one third passage; the head end of the first passage of each small group of modules is connected with the same water inlet main pipe, and the tail end of the third passage of each small group of modules is connected with the same steam main pipe.

According to some embodiments of the present invention, at least every three of said steam modules are horizontally distributed to form a small group module, and at least every two of said small group modules are vertically distributed to form a large group module; in the same large group of modules, the head ends of the first passages of the small group of modules are connected with the same water inlet main pipe, and the tail ends of the third passages of the small group of modules are connected with the same steam main pipe.

According to the utility model discloses a some embodiments, install two sets ofly in the frame big group of module, each big group of module is equipped with corresponding water inlet manifold, each big group of module sharing is same steam header.

According to some embodiments of the utility model, be equipped with a plurality of pipes of discharging fume in the frame, each the position of the pipe of discharging fume with each in each big group of module the column position that steam module formed corresponds, two the same column position in the big group of module corresponds each the condenser is connected same the pipe of discharging fume.

According to some embodiments of the invention, the water pump is connected to the water inlet manifold.

According to the utility model discloses a some embodiments, the heat exchanger includes at least two-layer upper and lower distribution and the heat transfer layer that communicates each other, every layer the heat transfer layer includes a plurality of heat exchange tubes that communicate each other.

According to some embodiments of the utility model, every three the horizontal distribution of steam module forms a small group module, each the small group module the same layer heat transfer layer of heat exchanger is series connection in proper order, and adjacent two-layer the passageway end to end connection that the heat transfer layer is connected forms the second passageway.

According to the utility model discloses a some embodiments, water pump one end with the inlet manifold is connected, and the other end is connected with external feed water tank, install the water purifier between water pump and the feed water tank.

According to the utility model discloses a some embodiments still include preheating water pipe and wet return, preheating water pipe is equipped with a plurality of minutes pipe, each the minute pipe passes respectively each the steam module each after the burning fire was arranged with the wet return is connected, preheating water pipe and wet return all are connected with external feed water tank.

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 perspective view of the present invention;

fig. 2 is a schematic diagram of the connection of a small group of modules according to the present invention;

fig. 3 is a schematic view of the internal structure of the steam module of the present invention;

fig. 4 is a front view of the present invention;

fig. 5 is a right side view of the present invention;

fig. 6 is a schematic structural diagram of the heat exchanger of the present invention.

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.

Referring to fig. 1, 2 and 3, a modular steam plant includes a rack 100 and a plurality of steam modules 200 installed in the rack 100, the steam modules 200 including a combustion fire grate 210, a steam generator 220 and a condenser 230, the steam modules 200 further including a heat exchanger 240 installed above the steam generator 220; the condensers 230 of the steam modules 200 are connected in series in sequence to form a first passage 910; the heat exchangers 240 of the steam modules 200 are sequentially connected in series to form a second passage 920; the steam generators 220 of the steam modules 200 are sequentially connected in series to form a third passage 930; the first passage 910, the second passage 920 and the third passage 930 are connected in sequence to form a main passage; the water pump 300, the water inlet main pipe 400 and the steam main pipe 500 are further installed in the rack 100, the head end of the first passage 910 is connected to the water inlet main pipe 400, the tail end of the third passage 930 is connected to the steam main pipe 500, and the water pump 300 is connected to the water inlet main pipe 400.

The steam module 200 works according to the following principle: the combustion fire grate 210 is communicated with fuel gas to be combusted to generate flame, the steam generator 220 is heated, meanwhile, water is introduced into the steam generator 220, and the water in the steam generator 220 is heated to form water vapor which is then discharged for a user to use; the condenser 230 includes casing and condenser pipe, and the high temperature flue gas that the gas combustion produced rises in the casing that gets into the condenser 230, and the condenser pipe of condenser 230 leads to water, and the high temperature flue gas carries out the heat exchange through condenser pipe and water, and the high temperature flue gas is discharged toward the external environment after cooling through the heat exchange.

As shown in fig. 1, 2 and 3, three steam modules 200 are used as an example for illustration, when in operation, the water pump 300 is connected to the external water supply tank 710, the water pump 300 is started to supply water to the water inlet main pipe 400, and the water pump 300 is installed inside the rack 100, so that the use and transportation of the whole machine are facilitated; water enters the first passage 910 through the water inlet header pipe 400, namely sequentially passes through the condensers 230 of the first, second and third steam modules 200, and the water sequentially exchanges heat with high-temperature flue gas in each condenser 230 along the first passage 910, so that the water in the first passage is preheated for the first time. The condenser 230 of the third steam module 200 is communicated with the heat exchanger 240 of the steam module 200, that is, the first channel and the second channel are communicated, the water after primary preheating sequentially passes through the heat exchanger 240 of the third, second and first steam modules 200 along the second channel, the water is subjected to heat exchange by using the heat exchanger 240 and the high-temperature flue gas, that is, the water is subjected to secondary preheating by using the second channel, and the water is subjected to secondary preheating. The heat exchanger 240 of the last steam module 200 along the second path 920 is connected with the evaporator of the steam module 200, that is, the communication between the second path 920 and the third path 930 is realized, water sequentially passes through each steam generator 220 along the third path, the water is subjected to the last heat exchange in the steam generators 220 and heated to a steam state, and the generated steam enters the steam header pipe 500 through the third steam module 200 and is discharged for a user; the utility model discloses modular steam equipment utilizes first passageway 910 and second passageway 920 to carry out twice preheating treatment to water, effectively recycles the heat in the high temperature flue gas, and burning fire grate 210 only needs relatively less heat to the water after preheating, just can make the water after preheating heat to the steam state in steam generator 220, effectively realizes energy-conservation, greatly improves heat utilization; the first channel, the second channel and the third channel are matched, so that the path structure of water circulation in the rack 100 is simplified, and the space utilization rate is effectively improved; the secondary preheating treatment can also effectively increase the flow rate and flow rate of water in the steam generator 220, thereby improving the working efficiency.

Referring to fig. 1, 2 and 4, in some embodiments of the present invention, at least every three steam modules 200 form a small group module 610, at least one small group module 610 is installed in the rack 100, and each small group module 610 is separately provided with one first passage 910, one second passage 920 and one third passage 930; the head end of the first passage 910 of each subgroup module 610 is connected to the same water inlet main 400, the tail end of the third passage 930 of each subgroup module 610 is connected to the same steam main 500, and at least three steam modules 200 are used to form one subgroup module, so as to improve the heat utilization efficiency and meet the user requirement.

Referring to fig. 1, 2 and 4, in the embodiment of the present invention, at least every three steam modules 200 are horizontally distributed to form a small group module 610, at least every two small group modules 610 are vertically distributed to form a large group module 620, and the distribution of the small group modules 610 and the large group module 620 satisfies the optimization of the installation space; in the same large group of modules 620, the head ends of the first passages 910 of the small group of modules 610 are all connected to the same water inlet main pipe 400, and the tail ends of the third passages 930 of the small group of modules 610 are all connected to the same steam main pipe 500. As shown in fig. 4, each three steam modules 200 form a small group module 610, three small group modules 610 form a large group module 620, the water inlet of the first passage 910 of each small group module 610 is connected with the same water inlet main pipe 400, that is, the same water inlet main pipe 400 is used for supplying water to each small group module 610, and the steam generated by each small group module 610 enters the same steam main pipe 500 and then is discharged for the user, so that the arrangement and connection of each pipe in the rack 100 are simplified, the structure is optimized, and the structural cost is reduced.

Referring to fig. 1, in a further embodiment of the present invention, two sets of said big group modules 620 are installed in said rack 100, each said big group module 620 is provided with a corresponding water inlet manifold 400, each said big group module 620 shares the same said steam manifold 500, the water inlet manifold 400 and the steam manifold 500 are vertically arranged, in cooperation with the installation position of each steam module 200, the space in the rack 100 is used well by the arrangement of the two sets of big group modules 620, and the steam output of the whole modular steam device can meet the use requirement of the user by the arrangement of the two big group modules 620.

Referring to fig. 1 and 5, in some embodiments of the present invention, a plurality of smoke exhaust pipes 250 are disposed in the rack 100, the position of each smoke exhaust pipe 250 corresponds to the vertical position formed by each steam module 200 in each group of modules 620, each condenser 230 corresponding to the same vertical position in two groups of modules 620 is connected to the same smoke exhaust pipe 250, for example, the condenser 230 in the first vertical column of the first group of modules 620 and the first vertical column of the second group of modules 620 are connected to the same smoke exhaust pipe 250, on one hand, the smoke exhaust requirement is met, on the other hand, the distribution of the steam modules 200 is matched, the arrangement of the smoke exhaust pipes 250 in the rack 100 is further optimized, and the space utilization rate in the rack 100 is greatly improved.

Referring to fig. 1 and 2, in some embodiments of the present invention, a water pump 300 is connected to a water inlet manifold 400, and three steam modules 200 are taken as a small group module 610, and three small group modules 610 are taken as an example of a large group module 620: in order to meet the production requirement of water vapor, the minimum working flow of water passing through the small group of modules 610 is 200L/h, the minimum working flow of water passing through the large group of modules 620 is 600L/h, in order to meet the working flow requirement and the safety requirement, the water pump 300 with the model number of VPS-07(S) -800 is selected, and the maximum flow of the water pump 300 is 800L/h.

The utility model discloses a further embodiment, heat exchanger 240 includes at least two-layer heat transfer layer 241 that distributes from top to bottom and communicate each other, and every layer of heat transfer layer 241 includes a plurality of heat exchange tubes 242 that communicate each other, utilizes at least two-layer heat transfer layer 241, further improves the secondary preheating effect of heat exchanger 240 to water.

In the specific embodiment of the utility model, every three horizontal distribution of steam module 200 forms a small group module 610, the same layer heat transfer layer 241 of each small group module 610's heat exchanger 240 is series connection in proper order, the route end to end connection that adjacent two-layer heat transfer layer 241 connects forms second route 920, as shown in fig. 3 and fig. 6, two-layer heat transfer layer 241 is established to every heat exchanger 240, the upper layer heat transfer layer 241 of each heat exchanger 240 connects in proper order, the lower floor heat transfer layer 241 of each heat exchanger 240 connects in proper order, then the route connection that each heat transfer layer 241 formed, thereby form second route 920, second route 920 utilizes two-layer heat transfer layer 241, water gets into the lower floor again after passing through the upper strata of second route 920, further improve the secondary preheating effect of heat exchanger 240 to water.

Referring to fig. 1 and 2, in some embodiments of the present invention, one end of the water pump 300 is connected to the water inlet manifold 400, the other end is connected to the external water supply tank 710, a water purifier 720 is installed between the water pump 300 and the water supply tank 710, the water purifier 720 is used to filter water and then enter the device for heating, so as to reduce the generation of scale after the water is heated in the first channel, the second channel and the third channel, and ensure the heat exchange effect.

The utility model discloses a further embodiment, still include preheating water pipe 810 and wet return 820, preheating water pipe 810 is equipped with a plurality of minutes 811, each minute 811 is connected with wet return 820 after passing each burning fire row 210 of each steam module 200 respectively, preheating water pipe 810 and wet return 820 all are connected with external supply tank 710, the waste heat that utilizes burning fire row 210 flows back to supply tank 710 after preheating treatment to the water in preheating water pipe 810, thereby improve the temperature of the water in the supply tank 710 and use in reentrant water inlet manifold 400, further improve heat energy availability factor.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A modular steaming device comprising a rack (100) and a number of steam modules (200) mounted within the rack (100), the steam modules (200) comprising a combustion grate (210), a steam generator (220) and a condenser (230), characterized in that:

the steam module (200) further comprises a heat exchanger (240) mounted above the steam generator (220);

the condensers (230) of the steam modules (200) are sequentially connected in series to form a first passage (910);

the heat exchangers (240) of the steam modules (200) are sequentially connected in series to form a second passage (920);

the steam generators (220) of the steam modules (200) are sequentially connected in series to form a third passage (930);

the first passage (910), the second passage (920) and the third passage (930) are connected in sequence to form a total passage;

still install water pump (300), water inlet main (400), steam main (500) in frame (100), the head end of first passageway (910) with water inlet main (400) are connected, the tail end of third passageway (930) with steam main (500) are connected, water pump (300) with water inlet main (400) are connected.

2. The modular steam appliance according to claim 1, characterized in that: at least every three steam modules (200) form a small group module (610), at least one small group module (610) is installed in the machine frame (100), and each small group module (610) is separately provided with the first passage (910), the second passage (920) and the third passage (930);

the head end of the first passage (910) of each small group module (610) is connected with the same water inlet main pipe (400), and the tail end of the third passage (930) of each small group module (610) is connected with the same steam main pipe (500).

3. The modular steam appliance according to claim 2, characterized in that: at least every three steam modules (200) are horizontally distributed transversely to form a small group module (610), and at least every two small group modules (610) are longitudinally distributed to form a large group module (620);

in the same large group of modules (620), the head ends of the first passages (910) of the small group of modules (610) are connected with the same water inlet main pipe (400), and the tail ends of the third passages (930) of the small group of modules (610) are connected with the same steam main pipe (500).

4. The modular steam appliance according to claim 3, characterized in that: two groups of large-group modules (620) are installed in the rack (100), a corresponding water inlet main pipe (400) is arranged on each large-group module (620), and each large-group module (620) shares the same steam main pipe (500).

5. The modular steam appliance according to claim 4, characterized in that: a plurality of smoke exhaust pipes (250) are arranged in the rack (100), the position of each smoke exhaust pipe (250) corresponds to the longitudinal position formed by each steam module (200) in each large group of modules (620), and each condenser (230) corresponding to the same longitudinal position in the two large groups of modules (620) is connected with the same smoke exhaust pipe (250).

6. Modular steaming device according to claim 2, 3 or 4, characterized in that: one water pump (300) is connected with one water inlet manifold (400).

7. The modular steam appliance according to claim 1, characterized in that: the heat exchanger (240) comprises at least two heat exchange layers (241) which are distributed up and down and are mutually communicated, and each heat exchange layer (241) comprises a plurality of mutually communicated heat exchange tubes (242).

8. The modular steam appliance according to claim 7, characterized in that: every three steam modules (200) are horizontally distributed transversely to form a small group of modules (610), the same layers of heat exchange layers (241) of the heat exchangers (240) of the small groups of modules (610) are sequentially connected in series, and the passages connected with the adjacent two layers of heat exchange layers (241) are connected end to form the second passage (920).

9. The modular steam appliance according to claim 1, characterized in that: one end of the water pump (300) is connected with the water inlet main pipe (400), the other end of the water pump is connected with an external water supply tank (710), and a water purifier (720) is installed between the water pump (300) and the water supply tank (710).

10. The modular steam appliance according to claim 1, characterized in that: the steam boiler is characterized by further comprising a preheating water pipe (810) and a water return pipe (820), wherein the preheating water pipe (810) is provided with a plurality of branch pipes (811), each branch pipe (811) penetrates through each combustion fire row (210) of each steam module (200) and then is connected with the water return pipe (820), and the preheating water pipe (810) and the water return pipe (820) are connected with an external water supply tank (710).