CN115560622A

CN115560622A - Still kettle waste heat recycling conversion system

Info

Publication number: CN115560622A
Application number: CN202211326774.4A
Authority: CN
Inventors: 张旭; 杨广琴; 史文力; 李雪梅
Original assignee: Tangshi Jianhua Construction Materials Shanghai Co Ltd
Current assignee: Tangshi Jianhua Construction Materials Shanghai Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-03

Abstract

A still kettle waste heat recycling conversion system comprises: a still kettle; the two ends of the condensed water conveying pipeline are respectively connected with the still kettle and the condensed water containing space and used for conveying the high-temperature condensed water to the condensed water containing space; the heat transfer water tank comprises a heat conduction pipe, and a condensed water containing space and a purified water containing space which are adjacently arranged, wherein the two ends of the heat conduction pipe are respectively arranged in the condensed water containing space and the purified water containing space and are used for transferring the heat of the condensed water in the condensed water containing space to the purified water in the purified water containing space; a purified water input pipeline connected with the purified water accommodating space and used for transmitting the purified water to the purified water accommodating space; and the purified water output pipeline is connected with the purified water accommodating space and is used for transmitting the heated purified water to a water using pipe of the water using area. The embodiment can convert and reuse the energy of the high-temperature condensed water; the heat of the high-pressure steam liquefied hot water is utilized to conduct energy transfer on the healthy domestic water, so that the heating consumption of the domestic water is saved.

Description

Still kettle waste heat recycling conversion system

Technical Field

The invention relates to the field of water treatment, in particular to a still kettle waste heat recycling conversion system.

Background

Tubular pile manufacturing enterprise can use still cauldron to carry out the high-pressure steam maintenance to the tubular pile usually in the production process, need step down the high-pressure steam that produces after the maintenance finishes, the pressure reduction process can produce more high temperature liquefaction comdenstion water, this high temperature comdenstion water has higher temperature, the tradition way is directly arranged this higher high temperature comdenstion water of temperature to evaporating and fostering the pond and using, or directly arrange to waste water treatment equipment and handle the high temperature comdenstion water, and the steam that still cauldron once produced is more than 1 ton, the higher high temperature comdenstion water energy of temperature is wasted completely.

Under the background of energy conservation and consumption reduction advocated by the state, every enterprise actively strives to adopt a series of energy conservation, environmental protection and consumption reduction measures, and how to fully utilize the energy of high-temperature condensed water generated by a still kettle becomes a problem to be solved urgently for pipe pile production enterprises.

The still kettle waste heat recovery mode that current comparison is commonly used arranges open heat transfer water tank by the still kettle in the workshop by side for heat the boiler feedwater, but it has some problems: such as

1. The recovery efficiency is low, the amount of heated boiler cold water is limited, and a large amount of heat is discharged into air through flash steam exhaust steam-water; and the temperature of the alkali water discharged by overflow is too high, and the heat waste is large.

2. The turnover rate of the still kettle is high, and the waste heat recovery of the still kettle and the steam curing pool cannot fully recover the residual steam and water because the pressure reduction time is long, so that a large amount of heat is wasted.

3. The still kettle directly discharges the residual steam to the air at about 0.3-0.5Mpa, the heat waste is huge, and the still kettle generates great noise when discharging the residual steam to the air.

Disclosure of Invention

In view of the above, it is necessary to provide a system for recycling and converting still kettle waste heat, which addresses at least some of the above problems.

The invention relates to a still kettle waste heat recycling conversion system, which comprises:

a still kettle;

the two ends of the condensed water conveying pipeline are respectively connected with the still kettle and the condensed water containing space and used for conveying high-temperature condensed water generated by the still kettle to the condensed water containing space;

the heat transfer water tank comprises a heat conduction pipe, a condensed water accommodating space and a purified water accommodating space which are arranged adjacently, and two ends of the heat conduction pipe are respectively arranged in the condensed water accommodating space and the purified water accommodating space and are used for transferring heat of high-temperature condensed water in the condensed water accommodating space to purified water in the purified water accommodating space;

the purified water input pipeline is connected with the purified water accommodating space and used for transmitting the purified water to the purified water accommodating space;

and the purified water output pipeline is connected with the purified water accommodating space and used for transmitting the heated purified water to a water using pipe of a water using area.

In some embodiments, the water consumption area includes a domestic and office water consumption area, and the still kettle waste heat recycling conversion system further includes:

the hot water circulating emptying pipe is parallel to the water using pipe of the domestic and office water area and is arranged below the water using pipe, and the hot water circulating emptying pipe is respectively communicated with the water using pipe in each room and is used for receiving unused hot water in the water using pipe;

and the hot water return pipeline is respectively connected with the hot water circulating emptying pipe and the purified water accommodating space and used for returning redundant hot water to the purified water accommodating space.

In some embodiments, the steam autoclave further comprises a condensate water return pipeline, which is connected to the condensate water containing space and the autoclave respectively, and is used for returning the water with the heat released and the temperature reduced in the condensate water containing space to a spraying system or a steam curing pool in the autoclave.

In some embodiments, a heat conduction interlayer is arranged in the heat transfer water tank and is used for separating the heat transfer water tank to form a condensed water containing space and a purified water containing space; the heat conduction interlayer is provided with through holes for penetrating the heat conduction pipe, and the peripheral surface of the heat conduction pipe is welded in the through holes.

In some embodiments, the condensed water containing space is arranged below the purified water containing space, and at least part of the condensed water containing space protrudes upwards to form a step-shaped structure, and the step-shaped structure is adjacent to and attached to the side surface of the purified water containing space.

In some of these embodiments, an upper water limit line and a lower water limit line are provided in the stepped configuration; a first water level control sensor is arranged in the condensed water containing space, is connected with a variable-frequency booster pump on the condensed water conveying pipeline and is used for detecting the water level and controlling the frequency of the variable-frequency booster pump to increase to inject water when the water level is detected to reach a lower limit water level line; and the frequency of the variable-frequency booster pump can be controlled to be reduced to stop water injection when the water level is detected to reach the upper limit water level line.

In some embodiments, the condensed water accommodating space is arranged below the purified water accommodating space and is respectively rectangular;

the part of the condensed water conveying pipeline connected to the condensed water containing space and the part of the condensed water return pipeline connected to the condensed water containing space are respectively positioned at the opposite angles of the condensed water containing space;

the part of the purified water input pipeline connected to the purified water accommodating space and the part of the purified water output pipeline connected to the purified water accommodating space are respectively positioned at the opposite angles of the condensed water accommodating space;

the part of the purified water input pipeline connected to the purified water containing space is arranged above the part of the condensed water conveying pipeline connected to the condensed water containing space.

In some embodiments, overflow holes are formed at the tops of the condensed water containing space and the purified water containing space, and are used for overflowing water when the water in the condensed water containing space or the purified water containing space is excessive.

In some embodiments, the clean water containing space is provided with an air energy water heater.

In some embodiments, the steam-water separator further comprises a residual steam discharge pipeline, and one end of the residual steam discharge pipeline is communicated to the condensed water conveying pipeline and used for leading out residual steam in the still kettle.

The waste heat recycling conversion system of the still kettle at least has the following beneficial technical effects:

(1) This embodiment heats cold water with the heat conversion of comdenstion water to clean cold water in the heat transfer water tank, then carries the clean cold water that has heated to the required hydrothermal water area of life through water purification output pipeline and uses for the energy of enterprise's high temperature comdenstion water carries out abundant conversion and recycles, has avoided the consumption of the energy.

(2) The system turnover rate of this embodiment is high, need not step down high-pressure steam, therefore avoided adopting to evaporate the problem that the depressurization time that produces is longer, can't carry out abundant recovery to surplus vapour water when fostering the pond and carrying out waste heat recovery, waste heat recovery is high efficiency, does not have the heat to be wasted.

(3) The whole structure of the embodiment is not complex and is easy to maintain; under the prerequisite of guaranteeing quality of water environment safety and health, utilize high pressure steam liquefaction hot water's heat to carry out the energy conduction conversion to healthy domestic water, saved the energy consumption that the heating domestic water consumed for the energy of enterprise's high temperature comdenstion water converts and recycles, responds national energy saving and consumption reduction's call, has brought very big economic benefits for the enterprise simultaneously.

(4) The still kettle of this embodiment does not need directly to empty exhaust steam, has stopped the heat waste, has more avoided still kettle to produce the huge noise when empty exhaust steam.

Drawings

Fig. 1 is a schematic view of a still kettle waste heat recycling conversion system according to an embodiment of the present invention;

FIG. 2 is an enlarged view of the heat transfer tank and surrounding connecting piping of FIG. 1;

FIG. 3 is a front view of the heat transfer tank and surrounding connecting piping of FIG. 2;

in the figure, 10, a still kettle; 11. a condensate water conveying pipeline; 11a, a variable frequency booster pump; 11b, sewage disposal equipment; 12. a condensed water return line; 12a, a second variable frequency control pump; 12b, a second valve;

100. a heat transfer water tank; 110. a condensed water accommodating space; 111. a stepped configuration; 111a, upper limit water line; 111b, lower limit water line; 111c, a first water level control sensor; 120. a purified water accommodating space; 121. a second water level control sensor; 130. a heat conducting pipe; 140. a heat conductive barrier layer; 150. An overflow aperture;

20. a source of purified water; 21. a purified water input pipeline; 22. a purified water output pipeline; 22a, a first variable frequency control pump; 22b, a first valve;

30. a domestic and office water area; 31. a water pipe is used;

41. a hot water circulation emptying pipe; 42. a hot water return line;

50. a residual steam discharge pipeline;

60. the common water area.

Detailed Description

The invention will be further explained with reference to the drawings.

To facilitate an understanding of the invention, various embodiments of the invention defined by the claims are described more fully below with reference to the accompanying drawings. While the preferred embodiments of the present invention have been illustrated in the accompanying drawings, and described in detail to facilitate this understanding, such details are to be regarded as illustrative only. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Accordingly, those of ordinary skill in the art will recognize that changes and modifications may be made to the various embodiments described herein without departing from the scope of the present invention, which is defined by the following claims. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

It will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims.

Throughout the description and claims of this specification, the words "comprise" and variations of the words, for example "comprising" and "comprises", mean "including but not limited to", and are not intended to (and do not) exclude other elements, integers or steps. Features, integers or characteristics described in conjunction with a particular aspect, embodiment or example of the invention are to be understood to be applicable to any other aspect, embodiment or example described herein unless incompatible therewith.

It is to be understood that the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. The expression "comprising" and/or "may comprise" as used in the present invention is intended to indicate the presence of corresponding functions, operations or elements, and is not intended to limit the presence of one or more functions, operations and/or elements. Furthermore, in the present invention, the terms "comprises" and/or "comprising" are intended to indicate the presence of the features, amounts, operations, elements, and components disclosed in the present document, or combinations thereof. Thus, the terms "comprising" and/or "having" should be understood as presenting additional possibilities for one or more other features, quantities, operations, elements, and components, or combinations thereof.

In the present invention, the expression "or" comprises any and all combinations of the words listed together. For example, "a or B" may comprise a or B, or may comprise both a and B.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present.

References herein to "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships, which may change accordingly when the absolute position of the object being described changes.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present specification and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

At present, cold water is heated by a gas furnace or a water heater for bathing and office areas in social family life and enterprise living areas, and more energy consumption is needed in the heating process.

Meanwhile, tubular pile manufacturing enterprise can use still kettle to carry out high-pressure steam maintenance to the tubular pile usually in process of production, need step down the high-pressure steam that produces after the maintenance finishes, and the step-down process can produce more high temperature liquefaction comdenstion water, and this high temperature comdenstion water has a large amount of heat energy, can consider to use after the heat energy that converts this comdenstion water heat energy into domestic water.

As shown in fig. 1 to 3, a system for recycling and converting residual heat of an autoclave comprises:

the still kettle 10 is used for generating high-temperature condensed water;

a condensed water conveying pipeline 11, both ends of which are respectively connected with the still kettle 10 and the condensed water accommodating space 110, for conveying the high-temperature condensed water to the condensed water accommodating space 110;

a heat transfer water tank 100 including a heat pipe 130, and a condensed water accommodating space 110 and a purified water accommodating space 120 which are adjacently disposed, wherein both ends of the heat pipe 130 are respectively inserted into the condensed water accommodating space 110 and the purified water accommodating space 120, for transferring heat of condensed water in the condensed water accommodating space 110 to purified water in the purified water accommodating space 120;

a purified water input pipe 21 connected to the purified water accommodating space 120, for transferring the purified water to the purified water accommodating space 120;

and a purified water output pipe 22 connected to the purified water receiving space 120, for delivering the heated purified water to the water using pipe 31 of the water using area.

Specifically, the condensed water delivery pipeline 11 and the purified water output pipeline 22 may be provided with a control valve, a variable frequency booster pump, and the like. For example, the purified water output pipeline 22 may be externally connected to a purified water source 20 such as a canteen to obtain purified water, the purified water output pipeline 22 is provided with a first variable frequency control pump 22a and a first valve 22b, the condensed water return pipeline 12 is provided with a second variable frequency control pump 12a and a second valve 12b, and opening the valves can realize that fluid flows in the corresponding pipelines, and the flow rate of the fluid in the pipelines can be controlled by operating the variable frequency control pumps.

When the water heater works, the autoclave 10 in a workshop, such as an autoclave, normally generates about 120 tons of condensed water one day, the temperature of the condensed water reaches 100 ℃, the condensed water with higher temperature generated in the autoclave is conveyed to the condensed water containing space 110 of the heat transfer water tank 100 through a pipeline and a valve, meanwhile, clean cold water can be injected into the purified water containing space 120 through the variable-frequency booster pump 11a, the heat of the injected high-temperature condensed water conducts heat and heats the cold water in the purified water containing space 120 through the heat conducting pipe 130 of the heat transfer water tank 100, and the cold water reaches a proper temperature and is conveyed to a living area for bathing or other areas needing hot water through the purified water output pipeline 22.

(1) This embodiment heats cold water with the heat conversion of comdenstion water to clean cold water in heat transfer water tank 100, then carries the clean cold water that has heated to the required hydrothermal water area of life through water purification output pipeline 22 and uses for the energy of enterprise's high temperature comdenstion water carries out abundant conversion and recycles, has avoided the consumption of the energy.

(2) The system turnover rate of this embodiment is high, need not step down the high-pressure steam who evaporates still kettle, therefore avoided adopting to evaporate the problem that the depressurization time that produces is longer, can't carry out abundant recovery to surplus vapour water when fostering the pond and carrying out waste heat recovery, waste heat recovery is high efficiency, does not have the heat to be wasted.

(3) The whole structure of the embodiment is not complex and is easy to maintain; on the premise of ensuring the safety and health of water quality and environment, the energy conduction conversion is carried out on healthy domestic water by utilizing the heat of high-pressure steam liquefied hot water, so that the energy consumption consumed by heating the domestic water is saved, the energy of high-temperature condensed water of an enterprise is converted and recycled, the national call for energy conservation and consumption reduction is responded, and meanwhile, great economic benefit is brought to the enterprise.

Referring to fig. 1 and 2, in some embodiments, the water usage area comprises a domestic and office water area 30, and the autoclave waste heat reuse conversion system further comprises:

the hot water circulating emptying pipe 41 is parallel to the water using pipe 31 of the domestic and office water area 30 and is arranged below the water using pipe 31, and the hot water circulating emptying pipe 41 is respectively communicated with the water using pipes 31 in all rooms and is used for receiving unused hot water in the water using pipes 31;

and a hot water return pipe 42 connected to the hot water circulation drain pipe 41 and the purified water accommodating space 120, respectively, for returning excess hot water to the purified water accommodating space 120.

Specifically, after receiving the unused hot water in the water using pipe 31, the hot water circulation emptying pipe 41 returns the unused hot water to the clean water accommodating space 120, so as to form hot water circulation with the clean water output pipeline 22, thereby ensuring that the pipeline is continuously filled with hot water, and reducing the waiting time of the hot water when the domestic and office water area 30 is used; it can also prevent the hot water from changing into cold water after long-time non-use, and the hot water can be used only by emptying cold water in the water pipe 31 when the hot water is used again, thus reducing the waste of water.

Of course, in other embodiments, the water usage area may also include a common water usage area 60 such as a bathroom, a laundry room, etc., and the hot water return pipe 42 may also be connected to the common water usage area 60 and the purified water containing space 120, respectively, for returning excess hot water to the purified water containing space 120, without limitation.

Referring to fig. 1 and fig. 2, in some embodiments, a condensed water return pipe 12 is further included, and is connected to the condensed water accommodating space 110 and the autoclave respectively, and is configured to return water, which is subjected to heat release and temperature reduction in the condensed water accommodating space 110, to an autoclave spraying system or a steam curing pool of the autoclave 10. The autoclave spraying system is used for spraying the tubular pile, cooling the pile body and absorbing the residual gas heat of the autoclave; after the steam curing pool covers the pool, hot water spraying is carried out on the pipe die with the pile in the pool, and the pipe die is heated by utilizing the heat of high-temperature water, so that the steam consumption is reduced. Specifically, the water after heat transfer in the condensed water containing space 110 of the present embodiment is directly discharged back to the still kettle instead of being directly discharged, so that water is not required to be added into the still kettle, and water resources can be saved.

Referring to fig. 2 and 3, in some embodiments, a heat transfer tank 100 is provided therein with a heat transfer interlayer 140, and the heat transfer interlayer 140 is used to divide the heat transfer tank 100 into a condensed water containing space 110 and a purified water containing space 120; the heat conduction interlayer 140 is distributed with through holes for penetrating the heat conduction pipe 130, and the outer circumferential surface of the heat conduction pipe 130 is welded to the through holes.

Specifically, the heat of the condensed water is secondarily utilized and discharged to the heat transfer water tank 100, the upper and lower layers in the heat transfer water tank 100 are two separated spaces, and the upper and lower layers are connected by the heat pipe 130 and only have one heat-conducting partition, so that the heat of the injected high-temperature condensed water is conducted and heated to the cold water in the purified water accommodating space 120 through the heat pipe 130 and the heat-conducting partition at the same time, the heat transfer efficiency is higher, the temperatures in the upper and lower spaces can be substantially consistent after heat transfer, and the water pump is not required to be reused for heating for multiple times after circulation.

The heat pipe 130 may be made of a material with good heat conduction effect, such as a copper pipe, an aluminum pipe, etc., and is not limited herein.

Referring to fig. 2 and 3, in some embodiments, the condensed water containing space 110 is disposed below the purified water containing space 120, and the condensed water containing space 110 at least partially protrudes upward to form a stepped structure 111, and the stepped structure 111 is adjacent to and attached to a side surface of the purified water containing space 120.

In this embodiment, the stepped structure 111 is disposed to be communicated with the interior of the condensed water accommodating space 110, that is, the water level in the condensed water accommodating space 110 is higher than the level of the heat conduction isolating layer 140 between the condensed water accommodating space 110 and the purified water accommodating space 120, so that the heat conduction isolating layer is always in contact with the condensed water in the lower condensed water accommodating space 110, which is beneficial to maintaining a high heat exchange rate; meanwhile, since the stepped structure 111 is adjacent to and attached to the side surface of the purified water accommodating space 120, the side surface of the purified water accommodating space 120 also participates in heat transfer, transferring heat to the purified water accommodating space 120 adjacent to the stepped structure 111, and further improving the efficiency of heat exchange.

Referring to fig. 2, in some embodiments, an upper water limit line 111a and a lower water limit line 111b are provided in the stepped configuration 111; a first water level control sensor 111c is arranged in the condensed water containing space 110, and the first water level control sensor 111c is connected with the variable-frequency booster pump 11a on the condensed water conveying pipeline 11 and is used for detecting the water level and controlling the frequency of the variable-frequency booster pump 11a to increase to inject water when the water level is detected to reach a lower limit water level line 111b; and the frequency of the variable-frequency booster pump 11a can be controlled to be reduced to stop water injection when the water level is detected to reach the upper limit water level line 111 a.

Specifically, in the embodiment, the first water level control sensor 111c is used in cooperation with the variable-frequency booster pump 11a to realize automatic water injection and stop of water injection to the condensed water containing space 110, so that water is ensured to exist in the condensed water containing space 110 in real time; the upper limit water level line 111a and the lower limit water level line 111b are arranged in the stepped structure 111, so that the water level in the stepped structure 111 can be ensured to be always higher than the level of the heat conduction isolating layer 140 between the condensed water accommodating space 110 and the purified water accommodating space 120, and the heat conduction isolating layer is always kept in contact with the condensed water in the lower condensed water accommodating space 110, which is beneficial to keeping a high heat exchange rate; meanwhile, since water is continuously provided inside the stepped structure 111, the side surface of the purified water containing space 120 also continuously participates in heat transfer, and heat is transferred to the purified water containing space 120 adjacent to the stepped structure 111, thereby further improving the efficiency of heat exchange.

Similarly, the clean water accommodating space 120 may also be provided with an upper water line and a lower water line; a second water level control sensor 121 is disposed in the condensed water accommodating space 110, and the second water level control sensor 121 is connected to a booster pump on the purified water input pipe 21, and is used for detecting a water level and controlling the frequency of the booster pump to increase to inject water when the water level is detected to reach a lower water level; and the booster pump can be controlled to reduce in frequency to stop water injection when the water level is detected to reach the water level line. In this embodiment, the second water level control sensor 121 is matched with the booster pump to realize automatic water injection and automatic water stop into the purified water containing space 120, so as to ensure that water is present in the purified water containing space 120 in real time.

Referring to fig. 2, in some embodiments, the condensed water accommodating spaces 110 are disposed below the purified water accommodating spaces 120 and have rectangular parallelepiped shapes, respectively;

the part of the condensate conveying pipe 11 connected to the condensate accommodating space 110 and the part of the condensate returning pipe 12 connected to the condensate accommodating space 110 are located at opposite corners of the condensate accommodating space 110, respectively;

a portion of the purified water input pipe 21 connected to the purified water accommodating space 120 and a portion of the purified water output pipe 22 connected to the purified water accommodating space 120 are located at opposite corners of the condensed water accommodating space 110, respectively;

the portion of the purified water input pipe 21 connected to the purified water containing space 120 is located above the portion of the condensed water conveying pipe 11 connected to the condensed water containing space 110.

In this embodiment, the water inlet and outlet positions of the condensed water containing space 110 and the purified water containing space 120 are diagonally staggered, so as to ensure that the condensed water or the purified water stays in the respective containing spaces for the longest time, and ensure longer heat transfer time; and, the position that the purified water input pipeline 21 is connected to the purified water accommodating space 120 is located above the position that the condensed water conveying pipeline 11 is connected to the condensed water accommodating space 110, thus the position that the purified water enters the purified water accommodating space 120 is just right above the position that the condensed water enters the condensed water accommodating space 110, the temperature difference between the purified water and the condensed water is the largest at the position, a large amount of heat can be directly absorbed and the temperature is rapidly raised at the first time, along with the process that the purified water and the condensed water flow to the diagonal position in respective space, the purified water continuously absorbs heat to raise the temperature, the condensed water continuously lowers the temperature, and the water temperatures of the purified water and the condensed water are basically consistent when the purified water and the condensed water reach the diagonal position.

Referring to fig. 2, in some embodiments, overflow holes 150 are provided at the top of the condensed water-accommodating space 110 and the clean water-accommodating space 120 for overflowing water when water in the condensed water-accommodating space 110 or the clean water-accommodating space 120 is excessive; the shape of the overflow hole 150 may be square, circular, or other shapes, and the specific shape is not limited.

In some embodiments, the clean water containing space 120 is provided with an air energy water heater. When the still kettle 10 is in operation temporarily, that is, when no energy of the still kettle liquefied high-temperature condensate water is supplied for conversion, the air energy water heater arranged on the purified water containing space 120 can be opened, and the air energy water heater is used for heating, so that normal heat supply of a water using area is ensured.

In some embodiments, the material of the heat transfer water tank 100 is 304 stainless steel, and the material of at least one of the condensate conveying pipe 11, the condensate return pipe 12, the purified water output pipe 22, the water using pipe 31, the hot water circulation emptying pipe 41 and the hot water return pipe 42 is 304 stainless steel or PP-R (polypropylene random copolymer) pipe, which has high strength and high temperature resistance. Of course, besides the above materials, other materials may be used according to the environmental protection requirement and the use function, and the specific material is not limited.

Referring to fig. 2, in some embodiments, the steam still further includes a residual steam discharge pipe 50, one end of which is connected to the condensed water conveying pipe 11, for leading out residual steam in the autoclave 10. When the amount of hot water generated in the still kettle 10 is excessive, the hot water can be directly discharged to other places for use through the condensed water conveying pipeline 11 and the residual steam discharging pipeline 50.

Referring to fig. 1, in some embodiments, the condensate delivery pipe 11 is provided with a sewage disposal apparatus 11b. The condensed water in the condensed water conveying pipeline 11 can be treated by the sewage disposal device 11b, so that the condensed water is purified to a certain extent and then is discharged to subsequent devices.

In the above description, although expressions such as "first" and "second" may be used to describe respective elements of the present invention, they are not intended to limit the corresponding elements. For example, the above expressions are not intended to limit the order or importance of the corresponding elements. The above expressions are used to distinguish one element from another.

The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular references include plural references unless there is a significant difference in context, scheme or the like between them.

The above description is intended to be illustrative of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.

It will be appreciated by those skilled in the art that various features of the above-described embodiments may be omitted, added, or combined in any manner, and for the sake of brevity, all possible combinations of features in the above-described embodiments will not be described, however, so long as there is no conflict between such combinations, and simple variations and modifications, which would occur to persons skilled in the art and variations of the present invention and which are suitable and functional in light of the above teachings, should be considered within the scope of this disclosure.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that while the present invention has been shown and described with reference to various embodiments, it will be understood by those skilled in the art that various changes and modifications in form and detail may be made without departing from the spirit of the invention and these are within the scope of the invention as defined by the appended claims. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a still kettle waste heat reuse conversion system which characterized in that includes:

a still kettle;

the purified water input pipeline is connected with the purified water accommodating space and is used for transmitting purified water to the purified water accommodating space;

2. The autoclave waste heat recycling and converting system according to claim 1, wherein the water usage area comprises a domestic and office water usage area, and the autoclave waste heat recycling and converting system further comprises:

and the hot water return pipeline is respectively connected with the hot water circulating emptying pipe and the purified water accommodating space and is used for returning redundant hot water to the purified water accommodating space.

3. The autoclave waste heat recycling and converting system according to claim 1, further comprising a condensate water return pipe connected to the condensate water accommodating space and the autoclave, respectively, for returning the water with the heat released and cooled in the condensate water accommodating space to a spraying system or a steam curing pool in the autoclave.

4. The autoclave waste heat recycling and converting system according to claim 1, wherein a heat conducting interlayer is arranged in the heat transfer water tank, and the heat conducting interlayer is used for separating the heat transfer water tank to form a condensed water containing space and a purified water containing space; the heat conduction interlayer is provided with through holes for penetrating the heat conduction pipe, and the peripheral surface of the heat conduction pipe is welded in the through holes.

5. The autoclave waste heat recycling and converting system according to claim 1, wherein the condensed water containing space is disposed below the purified water containing space, and at least a part of the condensed water containing space protrudes upward to form a stepped structure, and the stepped structure is adjacent to and attached to a side surface of the purified water containing space.

6. The still kettle waste heat recycling and converting system according to claim 5, wherein an upper limit water level line and a lower limit water level line are arranged in the step-shaped structure; a first water level control sensor is arranged in the condensed water containing space, is connected with a variable-frequency booster pump on the condensed water conveying pipeline and is used for detecting the water level and controlling the frequency of the variable-frequency booster pump to increase to inject water when the water level is detected to reach a lower limit water level line; and the frequency of the variable-frequency booster pump can be controlled to be reduced to stop water injection when the water level is detected to reach the upper limit water level line.

7. The still kettle waste heat recycling and converting system according to claim 1, wherein the condensed water accommodating space is arranged below the purified water accommodating space and is respectively rectangular;

the part of the condensed water conveying pipeline connected to the condensed water accommodating space and the part of the condensed water return pipeline connected to the condensed water accommodating space are respectively positioned at the opposite angles of the condensed water accommodating space;

8. The autoclave waste heat recycling and converting system according to claim 1, wherein overflow holes are formed in the top of the condensed water containing space and the top of the purified water containing space, and are used for enabling water to overflow when water in the condensed water containing space or the purified water containing space is excessive.

9. The autoclave waste heat recycling conversion system according to claim 1, wherein the purified water containing space is provided with an air energy water heater.

10. The still kettle waste heat recycling and converting system according to claim 1, further comprising a waste steam discharge pipeline, one end of which is communicated to the condensed water conveying pipeline, for leading out the waste steam in the still kettle.