CN212227771U - High-efficiency energy-saving steam-water heat exchange device - Google Patents
High-efficiency energy-saving steam-water heat exchange device Download PDFInfo
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- CN212227771U CN212227771U CN201922355774.7U CN201922355774U CN212227771U CN 212227771 U CN212227771 U CN 212227771U CN 201922355774 U CN201922355774 U CN 201922355774U CN 212227771 U CN212227771 U CN 212227771U
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Abstract
The utility model relates to a high-efficiency energy-saving steam-water heat exchange device, belonging to the technical field of industrial manufacturing; the module steam boiler is connected with an automatic air supply pipeline, a stop valve, a pressure gauge and an electric control temperature regulating valve are sequentially arranged, and a temperature sensor matched with the electric control temperature regulating valve extends into the high-temperature hot water process tank; the tail end of the automatic air supply pipeline is connected with an inlet of a stainless steel coil pipe steam-water heat exchanger; the stainless steel coil pipe steam-water heat exchanger is arranged below the liquid level of the solution in the high-temperature hot water process tank, and an outlet penetrates out of the side surface of the bottom of the box body of the high-temperature hot water process tank; the main pipe of the condensed water recovery pipeline is provided with an electric control temperature regulating valve and a steam trap; the steam direct-mixing automatic heating pipeline is connected with a three-way joint of an outlet of the stainless steel coil steam-water heat exchanger through an upward interface, the tail end of the steam direct-mixing automatic heating pipeline extends into the high-temperature hot water process tank to a position below the liquid level, and an outlet of the condensed water recovery pipeline is sequentially connected with an open condensed water return water tank, a softening water supplementing device and a module steam boiler; the device can save cost, reduce energy consumption and improve the heat efficiency of the system.
Description
Technical Field
The utility model relates to a high-efficient energy-conserving soda heat transfer device belongs to industrial manufacturing technical field.
Background
As a key energy consumption device, the process tank of the surface treatment production line in the field of industrial manufacturing has important significance on efficiency improvement, energy conservation and resource saving of the whole heating process by adopting a reasonable heat exchange mode, and is an important project for newly building and modifying the surface treatment production line. The current surface treatment production line for steam heating still has the phenomenon of serious waste: firstly, a heating mode of full steam direct mixing is adopted in part, and after steam is mixed into a solution, the high-temperature solution is directly overflowed and discharged outside, so that serious waste of energy and water resources is caused. Secondly, in part of special process tanks, in order to avoid the direct mixing of full steam to seriously dilute the tank liquor, a heating mode of single indirect heat exchange is adopted, but high-temperature condensed water after heat exchange is not recycled, so that the serious waste of energy and softened water resources is caused. In the initial heating time period of the process tank, the heating rate is full in a simple indirect heat exchange mode, and the operation of the whole surface treatment production line is influenced. Thirdly, because the heat consumption of the process tank in the initial heating period is far greater than that in the heat preservation period, the steam boiler unit needs to select the type according to the heat load in the initial heating period, and the condition of large boiler type selection is caused by taking the heat loss of high-temperature condensed water into consideration in a single indirect heat exchange heating mode. Fourthly, the heating process of the process tank is manually controlled, so that accurate supply according to needs and close and open according to requirements cannot be realized, and energy waste is caused. Fifthly, because the cost of the stainless steel pipe is high, the pipeline of the whole system adopts a seamless steel pipe, so that the inner wall of the pipeline is corroded to pollute the quality of steam. These problems adversely affect the energy consumption, heat supply efficiency, and the like of the heating process of the process tank.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the purpose is in order to solve the initial heat time overlength that exists among the present industrial manufacturing field surface treatment process groove heating process, and steam supply boiler heat load lectotype is great, and full steam directly mixes the heating method and pollutes greatly to the tank liquor, and the extravagant problem of the energy that causes is retrieved to no condensate water discloses a high-efficient energy-conserving soda heat transfer device, and the device can the cost-effective, reduces energy resource consumption, improves entire system's thermal efficiency.
The utility model aims at realizing through the following technical scheme.
An energy-efficient soda heat transfer device includes: the automatic steam supply system comprises a module steam boiler, a high-temperature hot water process groove, an open condensed water return water tank, softening and water supplementing equipment, an automatic steam supply pipeline, a stainless steel coil steam-water heat exchanger, a condensed water recovery pipeline, a steam direct-mixing automatic heating pipeline, a boiler water supplementing pipeline, a stop valve, a pressure meter, an electric control temperature regulating valve, a temperature sensor matched with the electric control temperature regulating valve, a steam trap and a ball valve.
An opening at the upper end of the module steam boiler is connected with an automatic air supply pipeline, the automatic air supply pipeline is composed of a 90-degree stainless steel bent pipe or a 90-degree hot galvanizing seamless steel pipe, a stop valve, a pressure gauge and an electric control temperature regulating valve are sequentially arranged, wherein the electric control temperature regulating valve is connected with a temperature sensor matched with the electric control temperature regulating valve, and the temperature sensor matched with the electric control temperature regulating valve extends into a top cover of a high-temperature hot water process tank; the tail end of the automatic air supply pipeline is connected with an inlet of a stainless steel coil steam-water heat exchanger penetrating out of a top cover of the high-temperature hot water process tank; the stainless steel coil pipe steam-water heat exchanger is arranged below the liquid level of the solution in the high-temperature hot water process tank, an outlet penetrates out of the side face of the bottom of the box body of the high-temperature hot water process tank, and a tee joint is arranged at the outlet; the transverse connector of the three-way connector is connected with a condensed water recovery pipeline, the main pipe of the condensed water recovery pipeline is provided with an electric control temperature regulating valve, the rear end of the electric control temperature regulating valve is provided with a steam drain valve, and two sides of the steam drain valve are respectively provided with a stop valve; a bypass branch of the steam trap is arranged outside the stop valve, and one stop valve is arranged on the bypass branch of the steam trap; the steam direct-mixing automatic heating pipeline is connected with a three-way joint of an outlet of the stainless steel coil steam-water heat exchanger by an upward interface, the tail end of the steam direct-mixing automatic heating pipeline extends into the high-temperature hot water process tank to a position below the liquid level, an electric control temperature regulating valve and a temperature sensor matched with the electric control temperature regulating valve are also arranged on the steam direct-mixing automatic heating pipeline, and the temperature sensor matched with the electric control temperature regulating valve is simultaneously connected with the electric control temperature regulating valve of the steam direct-mixing automatic heating pipeline and an electric control; an outlet of the condensed water recovery pipeline is directly led into the open condensed water return water tank from the top; the opening of the side wall of the open type condensed water return water tank is connected with softening and water supplementing equipment, and a ball valve is arranged in the middle of the connecting pipeline; the bottom opening of the side wall of the open type condensed water return water tank is connected with a module steam boiler pipeline to form a boiler water supplementing pipeline, and a stop valve is arranged in the middle of the boiler water supplementing pipeline.
The automatic steam supply pipeline is connected with a temperature sensor through an electric control temperature regulating valve to detect the temperature of the solution in the process tank, the opening of the valve body is controlled in an interlocking manner, the effect of supplying steam as required is achieved, a steam supply pipeline is made of stainless steel pipes or hot-dip galvanized seamless steel pipes, the influence of pipeline corrosion on the quality of the steam is reduced, and the cleanliness of the solution in the process tank is guaranteed when the steam is directly mixed and heated.
Stainless steel coil pipe vapor-water heat exchanger adopts special corrosion-resistant stainless steel material, and the circular arc design reduces coil pipe internal pressure loss to the at utmost, guarantees heat exchange efficiency, utilizes special machinery once only to hold the system and forms, and the welded joint is no longer than 3 departments in the middle of the whole set of coil pipe heat exchanger, further reduces the leakage pollution risk.
The steam and condensed water mixture of the condensed water recovery pipeline cooled by the stainless steel coil steam-water heat exchanger passes through the steam trap to achieve the purposes of stopping steam and conveying water; the condensate recovery pipeline is responsible for and sets up automatically controlled temperature regulating valve, possesses and reachs and set up the automatic advantage of opening of temperature, sets up steam trap bypass branch road, under the cold pipe state that the technology groove begins to heat, for avoiding the condensate water too many to cause the not smooth condition of rivers, need close the stop valve at trap both ends, opens trap bypass branch road valve, utilizes steam pressure to preheat and dredge the condensate recovery pipeline.
In the initial heating period when the heat demand of the process tank is large, the electric control temperature regulating valve of the condensed water return pipeline is closed, the electric control temperature regulating valve of the steam direct-mixing automatic heating pipeline is opened, and the temperature rise time of the process tank before use is further shortened by utilizing a reheating mode of heat direct mixing; the electric control temperature regulating valve detects the temperature of the solution in the process tank through the temperature sensor, controls the valve body to be opened and closed in an interlocking manner, is opened in the initial heating period of the process tank, and is closed in the heat preservation period, so that the effect of automatic switching of single and double heating modes is realized.
Advantageous effects
1. The utility model discloses an energy-efficient soda heat transfer device through adopting the device, can realize indirect heat transfer, directly mix the dual heating effect of heating at the great initial heating period of technology groove heat demand, and very big degree shortens the intensification time before the technology groove uses to reduce the load capacity of steam supply boiler, reduce boiler heating system construction cost.
2. The utility model discloses a high-efficient energy-conserving soda heat transfer device can retrieve the better high temperature steam condensate water reuse of quality, reduces the energy resource consumption of boiler reheating in-process, reduces the use of demineralized fresh water simultaneously, realizes the purpose of energy saving and water resource.
3. The utility model discloses a high-efficient energy-conserving soda heat transfer device adopts automatically controlled temperature regulating valve control, realizes accurate supply as required, improves entire system's thermal efficiency under the prerequisite that further shortens technology groove heat time.
Drawings
FIG. 1 is a schematic view of an overall high-efficiency energy-saving steam-water heat exchange device;
FIG. 2 is a schematic diagram of an automatic steam supply pipeline;
FIG. 3 is a schematic view of a stainless steel coil steam-water heat exchanger;
FIG. 4 is a schematic diagram of a condensate recovery circuit;
fig. 5 is a schematic diagram of a steam direct-mixing automatic heating pipeline.
Wherein: 1-a module steam boiler, 2-a high-temperature hot water process tank and 3-an open condensate water return water tank; 4-softening water supplementing equipment, 5-automatic steam supply pipeline, 6-stainless steel coil steam-water heat exchanger, 7-condensed water recovery pipeline, 8-steam direct mixing automatic heating pipeline, 9-boiler water supplementing pipeline, 10-stop valve, 11-pressure gauge, 12-electric control temperature regulating valve, 13-temperature sensor matched with the electric control temperature regulating valve, 14-steam trap and 15-ball valve.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and examples.
Example 1
An energy-efficient soda heat transfer device includes: the system comprises a module steam boiler 1, a high-temperature hot water process groove 2, an open condensed water return water tank 3, softening and water supplementing equipment 4, an automatic steam supply pipeline 5, a stainless steel coil steam-water heat exchanger 6, a condensed water recovery pipeline 7, a steam direct-mixing automatic heating pipeline 8, a boiler water supplementing pipeline 9, a stop valve 10, a pressure gauge 11, an electric control temperature regulating valve 12, a temperature sensor 13 matched with the electric control temperature regulating valve, a steam trap 14 and a ball valve 15.
An opening at the upper end of a module steam boiler 1 is connected with an automatic air supply pipeline, the automatic air supply pipeline is composed of a 90-degree stainless steel bent pipe or a 90-degree hot galvanizing seamless steel pipe, a stop valve 10, a pressure gauge 11 and an electric control temperature regulating valve 12 are sequentially arranged, wherein the electric control temperature regulating valve 12 is connected with a temperature sensor 13 matched with the electric control temperature regulating valve, and the temperature sensor 13 matched with the electric control temperature regulating valve extends into a top cover of a high-temperature hot water process tank 2; the tail end of the automatic air supply pipeline is connected with an inlet of a stainless steel coil steam-water heat exchanger 6 penetrating out of a top cover of the high-temperature hot water process tank 2; the stainless steel coil pipe steam-water heat exchanger 6 is arranged below the liquid level of the solution in the high-temperature hot water process tank 2, an outlet penetrates out of the side face of the bottom of the tank body of the high-temperature hot water process tank 2, and a tee joint is arranged at the outlet; the transverse connector of the three-way joint is connected with a condensed water recovery pipeline 7, the main pipe of the condensed water recovery pipeline 7 is provided with an electric control temperature regulating valve 12, the rear end of the electric control temperature regulating valve 12 is provided with a steam drain valve 14, and two sides of the steam drain valve 14 are respectively provided with a stop valve 10; a steam trap 14 bypass branch is arranged outside the stop valve 10, and one stop valve 10 is arranged on the steam trap 14 bypass branch; the steam direct-mixing automatic heating pipeline 8 is connected with a three-way joint of an outlet of the stainless steel coil steam-water heat exchanger 6 through an upward interface, the tail end of the steam direct-mixing automatic heating pipeline extends into the high-temperature hot water process tank 2 to a position below the liquid level, an electric control temperature regulating valve 12 and a temperature sensor 13 matched with the electric control temperature regulating valve are further arranged on the steam direct-mixing automatic heating pipeline 8, and the temperature sensor 13 matched with the electric control temperature regulating valve is simultaneously connected with the electric control temperature regulating valve 12 of the steam direct-mixing automatic heating pipeline 8 and the electric control temperature regulating valve; an outlet of the condensed water recovery pipeline 7 is directly led into the open condensed water return water tank 3 from the top; the opening of the side wall of the open type condensed water return water tank 3 is connected with a softening and water supplementing device 4, and a ball valve 15 is arranged in the middle of the connecting pipeline; the bottom opening of the side wall of the open type condensed water return water tank 3 is connected with a pipeline of a module steam boiler 1, namely a boiler water replenishing pipeline 9, and a stop valve 10 is arranged in the middle of the boiler water replenishing pipeline 9.
The automatic steam supply pipeline 5 is connected with a temperature sensor through an electric control temperature regulating valve 12 to detect the temperature of the solution in the process tank, the opening of the valve body is controlled in an interlocking mode, the effect of supplying steam according to the requirement is achieved, the steam supply pipeline is made of stainless steel pipes or hot galvanized seamless steel pipes, the influence of pipeline corrosion on the quality of the steam is reduced, and the cleanliness of the solution in the process tank is guaranteed when the steam is directly mixed and heated.
Stainless steel coil soda heat exchanger 6 adopts special corrosion-resistant stainless steel material, and the circular arc design reduces coil pipe internal pressure loss to the at utmost, guarantees heat exchange efficiency, utilizes special machinery once only to hold the system and forms, and the welded joint is no longer than 3 departments in the middle of the whole set of coil pipe heat exchanger, further reduces the leakage pollution risk.
The steam and condensed water mixture of the condensed water recovery pipeline 7 cooled by the stainless steel coil steam-water heat exchanger 6 passes through the steam trap 14 to achieve the purpose of stopping steam and conveying water; the condensate recovery pipeline 7 is in charge of setting up automatically controlled temperature regulating valve 12, possesses and reachs the automatic advantage of opening of setting temperature, sets up 14 bypass branches of steam trap, under the cold pipe state that the technology groove begins to heat, for avoiding the condensate too many to cause the not smooth condition of rivers, need close the stop valve 10 at trap both ends, opens trap bypass branch valve, utilizes steam pressure to preheat and dredge condensate recovery pipeline 7.
In the initial heating period when the heat demand of the process tank is large, the electric control temperature regulating valve 12 of the condensed water return pipeline is closed, the electric control temperature regulating valve 12 of the steam direct-mixing automatic heating pipeline 8 is opened, and the heating time of the process tank before use is further shortened by utilizing a reheating mode of heat direct mixing; the electric control temperature regulating valve 12 detects the temperature of the solution in the process tank through a temperature sensor, controls the opening and closing of the valve body in an interlocking manner, is opened in the initial heating period of the process tank, and is closed in the heat preservation period, so that the effect of automatic switching of single and double heating modes is realized.
The working process is as follows:
the electric control temperature regulating valve 12 of the condensed water recovery pipeline 7 in the initial heating process of the high-temperature hot water process tank 2 is closed, the stop valves at two sides of the steam trap 14 and the bypass branch stop valve of the steam trap 14 are opened, the unit of the module steam boiler 1 is opened, the steam supply stop valve at the upper end of the module steam boiler 1 is opened, and the double heating stage of indirect heat exchange and direct-mixing heat exchange of the high-temperature hot water process tank 2 is started.
When the temperature of the solution in the high-temperature hot water process tank 2 is close to the process required temperature of about 15 ℃, the electric control temperature regulating valve 12 of the condensate recovery pipeline 7 is automatically opened, the electric control temperature regulating valve of the steam direct-mixing automatic heating pipeline is automatically closed, the solution enters the indirect heat exchange single heating stage of the solution in the high-temperature hot water process tank 2, and the condensate passing through the drain valve is recovered and reused.
When the solution temperature of the high-temperature hot water process tank 2 reaches the process required temperature, the heat preservation period is started, the electric control temperature regulating valve of the automatic steam supply pipeline 5 automatically reduces or intermittently turns off to regulate the steam supply quantity, the solution temperature of the process tank is ensured to be maintained within the required temperature range, and the condensed water recovery system continuously works.
Through adopting the device, can realize indirect heat transfer, directly mix the dual heating effect of heating at the great initial heating period of technology groove heat demand, the very big degree shortens the intensification time before the technology groove uses to reduce the load capacity of steam supply boiler, reduce boiler heating system construction cost. The high-temperature steam condensate with good quality can be recycled, the energy consumption in the reheating process of the boiler is reduced, the use of softened fresh water is reduced, and the purpose of saving energy and water resources is achieved. The electric control temperature regulating valve is adopted for control, accurate supply according to needs is realized, and the heat efficiency of the whole system is improved on the premise of further shortening the heating time of the process tank.
The above detailed description further illustrates the objects, technical solutions and advantages of the present invention, and it should be understood that the above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a high-efficient energy-conserving soda heat transfer device which characterized in that: the method comprises the following steps: the system comprises a module steam boiler (1), a high-temperature hot water process tank (2), an open condensate water return water tank (3), softening and water supplementing equipment (4), an automatic steam supply pipeline (5), a stainless steel coil steam-water heat exchanger (6), a condensate water recovery pipeline (7), a steam direct-mixing automatic heating pipeline (8), a boiler water supplementing pipeline (9), a stop valve (10), a pressure gauge (11), an electric control temperature regulating valve (12), a temperature sensor (13) matched with the electric control temperature regulating valve, a steam trap (14) and a ball valve (15);
an opening at the upper end of a module steam boiler (1) is connected with an automatic air supply pipeline, the automatic air supply pipeline is composed of a 90-degree stainless steel bent pipe or a 90-degree hot galvanizing seamless steel pipe, a stop valve (10), a pressure gauge (11) and an electric control temperature regulating valve (12) are sequentially arranged, wherein the electric control temperature regulating valve (12) is connected with a temperature sensor (13) matched with the electric control temperature regulating valve, and the temperature sensor (13) matched with the electric control temperature regulating valve extends into a top cover of a high-temperature hot water process tank (2); the tail end of the automatic air supply pipeline is connected with an inlet of a stainless steel coil steam-water heat exchanger (6) penetrating out of a top cover of the high-temperature hot water process tank (2); the stainless steel coil pipe steam-water heat exchanger (6) is arranged below the liquid level of the solution in the high-temperature hot water process tank (2), an outlet penetrates out of the side face of the bottom of the tank body of the high-temperature hot water process tank (2), and a tee joint is arranged at the outlet; the transverse connector of the three-way joint is connected with a condensed water recovery pipeline (7), the main pipe of the condensed water recovery pipeline (7) is provided with an electric control temperature regulating valve (12), the rear end of the electric control temperature regulating valve (12) is provided with a steam drain valve (14), and two sides of the steam drain valve (14) are respectively provided with a stop valve (10); a bypass branch of a steam trap (14) is arranged at the outer side of the stop valve (10), and one stop valve (10) is arranged on the bypass branch of the steam trap (14); the steam direct-mixing automatic heating pipeline (8) is connected with a three-way joint of an outlet of the stainless steel coil steam-water heat exchanger (6) through an upward interface, the tail end of the steam direct-mixing automatic heating pipeline extends into the high-temperature hot water process tank (2) to a position below the liquid level, an electric control temperature regulating valve (12) and a temperature sensor (13) matched with the electric control temperature regulating valve are further arranged on the steam direct-mixing automatic heating pipeline (8), and the temperature sensor (13) matched with the electric control temperature regulating valve is simultaneously connected with the electric control temperature regulating valve (12) of the steam direct-mixing automatic heating pipeline (8) and the electric control temperature regulating valve (12); an outlet of the condensed water recovery pipeline (7) is directly led into the open condensed water return water tank (3) from the top; the side wall opening of the open type condensed water return water tank (3) is connected with softening and water supplementing equipment (4), and a ball valve (15) is arranged in the middle of the connecting pipeline; an opening at the bottom of the side wall of the open type condensed water return water tank (3) is connected with a module steam boiler (1) pipeline to form a boiler water supplementing pipeline (9), and a stop valve (10) is arranged in the middle of the boiler water supplementing pipeline (9).
2. The high-efficiency energy-saving steam-water heat exchange device of claim 1, characterized in that: the automatic steam supply pipeline (5) is connected with a temperature sensor through an electric control temperature regulating valve (12) to detect the temperature of the solution in the process tank, the opening of the valve body is controlled in an interlocking mode, and the steam supply pipeline is made of stainless steel pipes or hot galvanizing seamless steel pipes.
3. The high-efficiency energy-saving steam-water heat exchange device of claim 1, characterized in that: the stainless steel coil pipe steam-water heat exchanger (6) is made of special corrosion-resistant stainless steel materials, is designed in an arc shape, is formed by holding by special machinery at one time, and the welding joint in the middle of the whole coil pipe heat exchanger is not more than 3.
4. The high-efficiency energy-saving steam-water heat exchange device of claim 1, characterized in that: the steam and condensed water mixture of the condensed water recovery pipeline (7) cooled by the stainless steel coil steam-water heat exchanger (6) passes through the steam trap (14) to achieve the purposes of stopping steam and conveying water; set up steam trap (14) bypass branch road, under the cold pipe state that the technology groove begins to heat, in order to avoid the too many circumstances that cause the rivers of condensate water not smooth, need close stop valve (10) at trap both ends, open trap bypass branch road valve, utilize steam pressure to preheat and dredge condensate water recovery pipeline (7).
5. The high-efficiency energy-saving steam-water heat exchange device of claim 1, characterized in that: in the initial heating period when the heat demand of the process tank is large, the electric control temperature regulating valve (12) of the condensed water return pipeline is closed, the electric control temperature regulating valve (12) of the steam direct-mixing automatic heating pipeline (8) is opened, and the temperature rising time of the process tank before use is further shortened by utilizing a reheating mode of heat direct mixing; the electric control temperature regulating valve (12) detects the temperature of the solution in the process tank through a temperature sensor, controls the valve body to be opened and closed in an interlocking manner, is opened in the initial heating period of the process tank, and is closed in the heat preservation period, so that the effect of automatic switching of single and double heating modes is realized.
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| CN201922355774.7U CN212227771U (en) | 2019-12-25 | 2019-12-25 | High-efficiency energy-saving steam-water heat exchange device |
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| CN201922355774.7U CN212227771U (en) | 2019-12-25 | 2019-12-25 | High-efficiency energy-saving steam-water heat exchange device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113100043A (en) * | 2021-03-24 | 2021-07-13 | 浙江爱之季农业科技有限公司 | Device for balancing temperature difference inside and outside incubation barrel by using temperature generated by bean sprout growth |
| CN114052282A (en) * | 2021-11-23 | 2022-02-18 | 山东中烟工业有限责任公司 | Dryer heat exchange device for cigar pretreatment and working method thereof |
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2019
- 2019-12-25 CN CN201922355774.7U patent/CN212227771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113100043A (en) * | 2021-03-24 | 2021-07-13 | 浙江爱之季农业科技有限公司 | Device for balancing temperature difference inside and outside incubation barrel by using temperature generated by bean sprout growth |
| CN114052282A (en) * | 2021-11-23 | 2022-02-18 | 山东中烟工业有限责任公司 | Dryer heat exchange device for cigar pretreatment and working method thereof |
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