CN211780991U

CN211780991U - Clean steam generator

Info

Publication number: CN211780991U
Application number: CN201922454101.7U
Authority: CN
Inventors: 黎伟欢; 史文忠; 别勇勇
Original assignee: Dongguan Aro Thermotics Technology Co ltd
Current assignee: Dongguan Aro Thermotics Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-27
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a clean steam generator, it includes: the evaporator comprises a horizontal tank body, a partition plate, a first heat exchange core and a gas-liquid separation baffle plate, wherein the partition plate is used for dividing an inner cavity of the horizontal tank body into a first cavity and a second cavity; a first shell pass flow channel is formed between the first heat exchange core and the first cavity, an industrial steam inlet pipe and a high-temperature condensate outlet pipe are arranged on the left side of the first heat exchange core, a clean steam outlet pipe is arranged at the upper end of the horizontal tank body, and a high-temperature softened water inlet pipe and a sewage discharge outlet are arranged at the lower end of the horizontal tank body; the preheater, it has isolated second shell side runner and second board side runner each other, and the preheater side is equipped with high temperature condensate import pipe and low temperature condensate outlet pipe, and high temperature condensate import union coupling high temperature condensate outlet pipe, both ends are equipped with high temperature softened water outlet pipe and low temperature softened water import pipe about the preheater, and this high temperature softened water outlet pipe communicates high temperature softened water import pipe.

Description

Clean steam generator

The technical field is as follows:

the utility model relates to a clean steam generator is refered in particular to in clean steam manufacturing technical field.

Background art:

the requirements of many places on the steam quality are high, and particularly the production environment control processes such as the process of directly processing clean and dry steam and the humidification of high-cleanliness workshops and workshops are needed. In the processes such as food, beverage, pharmaceutical industry, integrated electronic processing and the like, the adoption of industrial steam has considerable potential hidden danger to the product quality, and clean steam is a better choice.

Present tradition produces clean steam generator of clean steam with pure water is mostly single-cylinder structure to utilize the electric heating rod direct heating pure water in the barrel, this kind of steam generation mode will have following two problems in the in-service use process: (1) the electric heating rod directly contacts the pure water, so that the pure water is polluted; (2) the electric heating rod is easy to be dry-burned due to the fact that the water quantity is reduced, and the dry burning can cause the exposed surface of the electric heating rod to be expanded and peeled on site, so that the pollution to pure water is further caused.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

an object of the utility model is to overcome prior art not enough, provide a clean steam generator.

In order to solve the technical problem, the utility model discloses a following technical scheme: the clean steam generator includes: the evaporator comprises a horizontal tank body, a partition plate, a first heat exchange core and a gas-liquid separation baffle plate, wherein the partition plate is arranged at the lower part of an inner cavity of the horizontal tank body and divides the inner cavity of the horizontal tank body into a first cavity and a second cavity; a first shell pass flow channel is formed between the first heat exchange core and the first cavity, a first plate pass flow channel isolated from the first shell pass flow channel is arranged in the first heat exchange core, an industrial steam inlet pipe and a high-temperature condensate outlet pipe which are communicated with the first plate pass flow channel are arranged on the left side of the first heat exchange core, a clean steam outlet pipe arranged at the upper end of the horizontal tank body is communicated with the upper part of the second cavity, a high-temperature softened water inlet pipe arranged at the lower end of the horizontal tank body is communicated with the first shell pass flow channel, and a drain outlet arranged at the lower end of the horizontal tank body is communicated with the lower part of the second cavity; the high-temperature condensate inlet pipe and the low-temperature condensate outlet pipe are communicated with the second plate-pass flow channel, the high-temperature condensate inlet pipe is connected with the high-temperature condensate outlet pipe, the upper end and the lower end of the preheater are provided with a high-temperature softened water outlet pipe and a low-temperature softened water inlet pipe which are communicated with the second shell-pass flow channel, and the high-temperature softened water outlet pipe is communicated with the high-temperature softened water inlet pipe.

Further, in the above technical solution, the industrial steam inlet pipe is connected in sequence with a first flow regulating valve, a first flow meter, a first emergency shut-off valve, a first filter and a first shut-off valve, and the first shut-off valve is connected to the boiler steam outlet through a pipe.

Further, in the above technical scheme, the drain outlet is further provided with a first ball valve and a first electromagnetic valve.

Further, in the above technical solution, the low-temperature condensate outlet pipe is sequentially connected to a second stop valve, a second filter, a first drain valve, a third stop valve, and a condensate interface.

Further, in the above technical solution, the condensate interface is further connected to a fourth stop valve, a second drain valve, a third filter, and a fifth stop valve, and the fifth stop valve is connected between the first filter and the first stop valve through a first pipeline.

Furthermore, in the above technical scheme, a third thermometer is arranged on the low-temperature softened water inlet pipe, and the low-temperature softened water inlet pipe is further connected with a second flow regulating valve, a third pressure gauge and a water inlet pressurizing valve in sequence.

Further, in the above technical solution, a first safety valve, a first thermometer and a first pressure gauge are arranged on the industrial steam inlet pipe; a second safety valve, a second thermometer and a second pressure gauge are arranged on the horizontal tank body; and a magnetic turning plate liquid level meter is arranged on the outer side of the horizontal tank body and extends into the second chamber.

Furthermore, in the above technical solution, the rear end surface of the first heat exchange core contacts with the plate surface of the partition plate, and the height of the first heat exchange core is less than or equal to the height of the partition plate.

Furthermore, in the above technical scheme, the first heat exchange core is provided with a first spoiler assembly and a second spoiler assembly which are symmetrically distributed with each other, the first spoiler assembly comprises an arc-shaped sealing plate, and a first spoiler and a second spoiler which are fixed at the upper end and the lower end of the arc-shaped sealing plate, the arc-shaped sealing plate is fixedly wrapped at the front side of the first heat exchange core, the first spoiler and the second spoiler are in sealing contact with the upper side wall and the lower side wall of the first cavity respectively, and the structure of the second spoiler assembly is the same as that of the first spoiler assembly.

Further, in the above technical solution, the size of the first spoiler is larger than the size of the second spoiler.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model adopts high temperature industrial steam as heat source to enter the evaporator to vaporize softened water to form clean steam; the electric heating rod is not needed to be used for directly heating and softening water, the pollution to the pure water caused by the fact that the electric heating rod directly contacts the pure water is avoided, the phenomenon of dry burning of the electric heating rod due to the fact that the water quantity is reduced is avoided, the cleanliness of the clean steam is guaranteed, the evaporator has a gas-liquid separation function, the dryness of the prepared clean steam is enabled to be more convenient to use, different use requirements can be met, a gas-liquid separation device does not need to be connected, the evaporator is more convenient to install, a larger space does not need to be occupied, and the use cost is reduced; additionally, the utility model discloses just add the pre-heater, this pre-heater can preheat demineralized water earlier to the later stage can heat the vaporization with demineralized water better, and this pre-heater makes the high temperature condensate who adopts behind the evaporimeter heat the heat transfer, reaches the purpose of cyclic utilization energy, reaches energy-concerving and environment-protective efficiency.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a sectional view taken along a-a of fig. 1.

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

Referring to fig. 1-2, a clean steam generator is disclosed, which includes: the evaporator 100 comprises a horizontal tank body 1, a partition plate 11 which is arranged at the lower part of an inner cavity of the horizontal tank body 1 and divides the inner cavity of the horizontal tank body 1 into a first cavity 101 and a second cavity 102, a first heat exchange core 2 which is arranged in the first cavity 101, and a gas-liquid separation baffle plate 12 which is arranged at the upper part of the inner cavity of the horizontal tank body 1, wherein the partition plate 11 and the gas-liquid separation baffle plate 12 are longitudinally distributed in a staggered manner, a spacing channel 103 is formed between the partition plate 11 and the gas-liquid separation baffle plate 12, and the first cavity 101 and the second cavity 102 are communicated through the spacing channel 103; a first shell side flow channel 21 is formed between the first heat exchange core 2 and the first cavity 101, a first plate side flow channel 22 isolated from the first shell side flow channel 21 is arranged in the first heat exchange core 2, an industrial steam inlet pipe 23 and a high-temperature condensate outlet pipe 24 which are communicated with the first plate side flow channel 22 are arranged on the left side of the first heat exchange core 2, a clean steam outlet pipe 13 arranged at the upper end of the horizontal tank body 1 is communicated with the upper part of the second cavity 102, a high-temperature softened water inlet pipe 14 arranged at the lower end of the horizontal tank body 1 is communicated with the first shell side flow channel 21, and a drain outlet 15 arranged at the lower end of the horizontal tank body 1 is communicated with the lower part of the second cavity 102; the preheater 3 is internally provided with a second shell-side flow channel 31 and a second plate-side flow channel 32 which are mutually isolated, the side surface of the preheater 3 is provided with a high-temperature condensate inlet pipe 33 and a low-temperature condensate outlet pipe 34 which are communicated with the second plate-side flow channel 32, the high-temperature condensate inlet pipe 33 is connected with the high-temperature condensate outlet pipe 24, the upper end and the lower end of the preheater 3 are provided with a high-temperature softened water outlet pipe 35 and a low-temperature softened water inlet pipe 36 which are communicated with the second shell-side flow channel 31, and the high-temperature softened water outlet pipe 35 is communicated with the high-temperature. The utility model discloses a high temperature industrial steam heats, specifically speaking, high temperature industrial steam flows in along industrial steam inlet pipe 23, after flowing through first board journey runner 22 of first heat transfer core 2 in the evaporimeter 100, forms the high temperature condensate after the heat transfer, and this high temperature condensate flows out from high temperature condensate outlet pipe 24 again, then flows into second board journey runner 32 of preheater 3 along high temperature condensate import pipe 33 again, forms the low temperature condensate after the heat transfer, and the low temperature condensate flows out from low temperature condensate outlet pipe 34 at last; meanwhile, softened water flows into the second shell-side flow channel 31 of the preheater 3 along the low-temperature softened water inlet pipe 36 and exchanges heat with high-temperature condensate in the second plate-side flow channel 32, so that the preheating effect is achieved; the preheated softened water flows out along the high-temperature softened water outlet pipe 35 of the preheater 3, then flows into the first shell pass flow channel 21 of the first heat exchange core 2 in the evaporator 100 along the high-temperature softened water inlet pipe 14, exchanges heat with the high-temperature industrial steam in the first plate pass flow channel 22, and is vaporized into clean steam and enters the horizontal tank body 1; the clean steam is blocked by the gas-liquid separation baffle 12 to be separated by gas-liquid, the gaseous clean steam enters the upper part of the second chamber 102 through the separation passage 103 and flows out along the clean steam outlet pipe 13 to complete the manufacture of the clean steam, and the liquid blocked by the gas-liquid separation baffle 12 to be formed flows to the lower part of the second chamber 102. That is, the present invention uses high temperature industrial steam as a heat source to enter the evaporator 100 to vaporize softened water to form clean steam; the electric heating rod is not needed to be used for directly heating and softening water, the pollution to the pure water caused by the fact that the electric heating rod directly contacts the pure water is avoided, the phenomenon that the electric heating rod is easy to dry and burn due to the fact that the water quantity is reduced is avoided, the cleanliness of the clean steam is guaranteed, the evaporator 100 has a gas-liquid separation function, and therefore the dryness of the prepared clean steam is more convenient to use and can meet different use requirements; additionally, the utility model discloses just add pre-heater 3, this pre-heater 3 can preheat softened water earlier to the later stage can heat the vaporization with the softened water better, and this pre-heater 3 makes the high temperature condensate who adopts behind evaporimeter 100 heat the heat transfer, reaches the purpose of cyclic utilization energy, reaches energy-concerving and environment-protective efficiency.

The industrial steam inlet pipe 23 is sequentially connected with a first flow regulating valve 231, a first flowmeter 232, a first emergency shut-off valve 233, a first filter 234 and a first shut-off valve 235, the first shut-off valve 235 is connected with a boiler steam outlet through a pipeline, the first shut-off valve 235 is used for controlling the on-off of industrial steam, the first filter 234 is used for filtering the industrial steam, the cleanliness of the steam is ensured, scale in the evaporator is reduced as much as possible, the first flowmeter 232 is used for displaying the flow of the industrial steam, and the first flow regulating valve 231 can control the amount of the industrial steam flowing into the evaporator 100 so as to meet different use requirements.

The sewage draining outlet 15 is further provided with a first ball valve 151 and a first electromagnetic valve 152, and the first electromagnetic valve 152 can be automatically opened to achieve the purpose of automatic opening.

The low-temperature condensate outlet pipe 34 is connected with a second stop valve 341, a second filter 342, a first drain valve 343, a third stop valve 344 and a condensate interface 345 in sequence. The second stop valve 341 and the third stop valve 344 are used for controlling the on-off of the circulation of the low-temperature condensate, the second filter 342 is used for filtering the low-temperature condensate, the cleanliness of the recovered low-temperature condensate is ensured, and the first drain valve 343 can ensure the smoothness of the outflow of the low-temperature condensate.

The condensate interface 345 is further connected with a fourth stop valve 346, a second drain valve 347, a third filter 348 and a fifth stop valve 349, and the fifth stop valve 349 is connected between the first filter 234 and the first stop valve 235 through a first pipeline, so that a meeting loop is formed to meet different use requirements.

The low-temperature softened water inlet pipe 36 is provided with a third temperature meter 361, and the low-temperature softened water inlet pipe 36 is further connected with a second flow regulating valve 362, a third pressure gauge 363 and a water inlet pressurizing valve 364 in sequence. The second flow regulating valve 362 is used for regulating the entering flow of the softened water to achieve the purpose of control and meet different use requirements, and the water inlet pressurizing valve 364 is used for pressurizing the softened water to ensure that the softened water can smoothly enter the preheater and the evaporator and ensure the smoothness of work.

The industrial steam inlet pipe 23 is provided with a first safety valve 236, a first temperature gauge 237 and a first pressure gauge 238; a second safety valve 16, a second thermometer 17 and a second pressure gauge 18 are arranged on the horizontal tank body 1; a magnetic turning plate liquid level meter 19 is arranged on the outer side of the horizontal tank body 1, and the magnetic turning plate liquid level meter 19 extends into the second chamber 102. The magnetic flip plate level gauge 19 is used for detecting the high and low liquid levels of the second chamber 102.

The back end face of the first heat exchange core 2 is in contact with the plate surface of the partition plate 11, and the height of the first heat exchange core 2 is smaller than or equal to that of the partition plate 11, so that the heat exchange effect of the heat exchange core is ensured.

The first heat exchange core 2 is respectively provided with a first spoiler assembly 25 and a second spoiler assembly 26 which are symmetrically distributed, the first spoiler assembly 25 comprises an arc-shaped sealing plate 251, and a first spoiler 252 and a second spoiler 253 which are fixed at the upper end and the lower end of the arc-shaped sealing plate 251, the arc-shaped sealing plate 251 is fixedly wrapped at the front side of the first heat exchange core 2, the first spoiler 252 and the second spoiler 253 are respectively in sealing contact with the upper side wall and the lower side wall of the first chamber 101, and the structure of the second spoiler assembly 26 is the same as that of the first spoiler assembly 25. First flow-resisting intervals are respectively formed between the lower ends of the first flow-resisting plate component 25 and the second flow-resisting plate component 26, and the first flow-resisting intervals narrow the inlet at the lower end of the first shell pass flow passage, so that the flow-resisting effect is achieved.

The first spoiler 252 has a size larger than that of the second spoiler 253 to ensure that the first heat exchange core is stably mounted in the housing.

To sum up, the utility model discloses a high temperature industrial steam heats, specifically speaking, high temperature industrial steam flows in along industrial steam inlet pipe 23, after flowing through first board journey runner 22 of first heat transfer core 2 in the evaporimeter 100, forms the high temperature condensate after the heat transfer, and this high temperature condensate flows out from high temperature condensate outlet pipe 24 again, then flows into second board journey runner 32 of preheater 3 along high temperature condensate import pipe 33 again, forms the low temperature condensate after the heat transfer, and the low temperature condensate flows out from low temperature condensate outlet pipe 34 at last; meanwhile, softened water flows into the second shell-side flow channel 31 of the preheater 3 along the low-temperature softened water inlet pipe 36 and exchanges heat with high-temperature condensate in the second plate-side flow channel 32, so that the preheating effect is achieved; the preheated softened water flows out along the high-temperature softened water outlet pipe 35 of the preheater 3, then flows into the first shell pass flow channel 21 of the first heat exchange core 2 in the evaporator 100 along the high-temperature softened water inlet pipe 14, exchanges heat with the high-temperature industrial steam in the first plate pass flow channel 22, and is vaporized into clean steam and enters the horizontal tank body 1; the clean steam is blocked by the gas-liquid separation baffle 12 to be separated by gas-liquid, the gaseous clean steam enters the upper part of the second chamber 102 through the separation passage 103 and flows out along the clean steam outlet pipe 13 to complete the manufacture of the clean steam, and the liquid blocked by the gas-liquid separation baffle 12 to be formed flows to the lower part of the second chamber 102. That is, the present invention uses high temperature industrial steam as a heat source to enter the evaporator 100 to vaporize softened water to form clean steam; the electric heating rod is not needed to be used for directly heating and softening water, the pollution to the pure water caused by the fact that the electric heating rod directly contacts the pure water is avoided, the phenomenon that the electric heating rod is easy to dry and burn due to the fact that the water quantity is reduced is avoided, the cleanliness of the clean steam is guaranteed, the evaporator 100 has a gas-liquid separation function, and therefore the dryness of the prepared clean steam is more convenient to use and can meet different use requirements; additionally, the utility model discloses just add pre-heater 3, this pre-heater 3 can preheat softened water earlier to the later stage can heat the vaporization with the softened water better, and this pre-heater 3 makes the high temperature condensate who adopts behind evaporimeter 100 heat the heat transfer, reaches the purpose of cyclic utilization energy, reaches energy-concerving and environment-protective efficiency.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims

1. A clean steam generator is characterized in that: it includes:

the evaporator (100) comprises a horizontal tank body (1), a partition plate (11) which is arranged at the lower part of an inner cavity of the horizontal tank body (1) and divides the inner cavity of the horizontal tank body (1) into a first chamber (101) and a second chamber (102), a first heat exchange core (2) which is arranged in the first chamber (101), and a gas-liquid separation baffle plate (12) which is arranged at the upper part of the inner cavity of the horizontal tank body (1), wherein the partition plate (11) and the gas-liquid separation baffle plate (12) are longitudinally distributed in a staggered manner, a spacing channel (103) is formed between the partition plate (11) and the gas-liquid separation baffle plate (12), and the first chamber (101) is communicated with the second chamber (102) through the spacing channel (103); a first shell side flow channel (21) is formed between the first heat exchange core (2) and the first cavity (101), a first plate side flow channel (22) isolated from the first shell side flow channel (21) is arranged in the first heat exchange core (2), an industrial steam inlet pipe (23) and a high-temperature condensate outlet pipe (24) communicated with the first plate side flow channel (22) are arranged on the left side of the first heat exchange core (2), a clean steam outlet pipe (13) arranged at the upper end of the horizontal tank body (1) is communicated with the upper part of the second cavity (102), a high-temperature softened water inlet pipe (14) arranged at the lower end of the horizontal tank body (1) is communicated with the first shell side flow channel (21), and a drain outlet (15) arranged at the lower end of the horizontal tank body (1) is communicated with the lower part of the second cavity (102);

the preheater (3) is internally provided with a second shell pass flow channel (31) and a second plate pass flow channel (32) which are mutually isolated, the side face of the preheater (3) is provided with a high-temperature condensate inlet pipe (33) and a low-temperature condensate outlet pipe (34) which are communicated with the second plate pass flow channel (32), the high-temperature condensate inlet pipe (33) is connected with the high-temperature condensate outlet pipe (24), the upper end and the lower end of the preheater (3) are provided with a high-temperature softened water outlet pipe (35) and a low-temperature softened water inlet pipe (36) which are communicated with the second shell pass flow channel (31), and the high-temperature softened water outlet pipe (35) is communicated with the high-temperature softened water inlet.

2. A clean steam generator as claimed in claim 1, wherein: the industrial steam inlet pipe (23) is sequentially connected with a first flow regulating valve (231), a first flow meter (232), a first emergency stop valve (233), a first filter (234) and a first stop valve (235), and the first stop valve (235) is connected with a boiler steam outlet through a pipeline.

3. A clean steam generator as claimed in claim 1, wherein: the sewage draining outlet (15) is also provided with a first ball valve (151) and a first electromagnetic valve (152).

4. A clean steam generator as claimed in claim 2, wherein: the low-temperature condensate outlet pipe (34) is sequentially connected with a second stop valve (341), a second filter (342), a first drain valve (343), a third stop valve (344) and a condensate interface (345).

5. A clean steam generator as claimed in claim 4, wherein: the condensate interface (345) is also connected with a fourth stop valve (346), a second drain valve (347), a third filter (348) and a fifth stop valve (349), and the fifth stop valve (349) is connected between the first filter (234) and the first stop valve (235) through a first pipeline.

6. A clean steam generator according to any one of claims 1 to 5, wherein: the low-temperature softened water inlet pipe (36) is provided with a third thermometer (361), and the low-temperature softened water inlet pipe (36) is further sequentially connected with a second flow regulating valve (362), a third pressure gauge (363) and a water inlet pressurizing valve (364).

7. A clean steam generator as claimed in claim 6, wherein: a first safety valve (236), a first thermometer (237) and a first pressure gauge (238) are arranged on the industrial steam inlet pipe (23); a second safety valve (16), a second thermometer (17) and a second pressure gauge (18) are arranged on the horizontal tank body (1); a magnetic turning plate liquid level meter (19) is arranged on the outer side of the horizontal tank body (1), and the magnetic turning plate liquid level meter (19) extends into the second chamber (102).

8. A clean steam generator as claimed in claim 6, wherein: the rear end face of the first heat exchange core (2) is in contact with the plate surface of the partition plate (11), and the height of the first heat exchange core (2) is less than or equal to that of the partition plate (11).

9. A clean steam generator as claimed in claim 6, wherein: the heat exchanger comprises a first heat exchange core (2) and a second heat exchange core (2), wherein the first heat exchange core (2) is provided with a first spoiler assembly (25) and a second spoiler assembly (26) which are symmetrically distributed with each other, the first spoiler assembly (25) comprises an arc-shaped sealing plate (251), and a first spoiler (252) and a second spoiler (253) which are fixed to the upper end and the lower end of the arc-shaped sealing plate (251), the arc-shaped sealing plate (251) is fixedly wrapped on the front side of the first heat exchange core (2), the first spoiler (252) and the second spoiler (253) are in sealing contact with the upper side wall and the lower side wall of a first cavity (101) respectively, and the structure of the second spoiler assembly (26) is the same as that of the first spoiler assembly (25).

10. A clean steam generator as claimed in claim 9, wherein: the first spoiler (252) has a size larger than that of the second spoiler (253).