High-temperature heat pump system for steam production

Abstract

The application discloses a high-temperature heat pump system for steam preparation, which comprises a feed source, wherein the feed source is connected with a first pretreatment section through a connecting pipeline, the first pretreatment section is connected with a second pretreatment section in series through a connecting pipeline, the outlet position of the second pretreatment section is connected with a cyclone separator through a connecting pipeline, the cyclone separator is connected with a water body processor through a connecting pipeline, and a pressure reducing valve is arranged on the connecting pipeline of the cyclone separator and the water body processor; the water body processor is connected with a first-stage evaporator through a connecting pipeline, the first-stage evaporator is connected with a second-stage evaporator through a connecting pipeline, the second-stage evaporator is connected with an evaporation generator through a connecting pipeline, and a steam spouting device is arranged on the connecting pipeline of the second-stage evaporator and the evaporation generator. High-temperature heat pump units are fixedly arranged between the end of the feed source and the first pretreatment section, and the high-temperature heat pump units are arranged in parallel or in series in two groups.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steam preparation, in particular to a high-temperature heat pump system for steam preparation. BACKGROUND

[0002] Steam is also called water vapor. According to the pressure and temperature, various steam can be classified as saturated steam and superheated steam. The main use of steam is heating / humidifying, and it can also generate power and drive machines.

[0003] Steam quality refers to the amount of impurities such as sodium salt and silicic acid in the steam. Under general process conditions, the pollution of steam is caused by the carrying of boiler water droplets and the dissolution of impurities in the steam. Pure steam refers to steam with relatively less impurities.

[0004] In the prior art, a superheated water self-circulation device (superheated water pump, superheated water circulation tank) is usually used, which runs 24 hours without shutdown, and the amount of industrial steam needs to be adjusted to achieve precise output, which is relatively high in cost. At the same time, in the prior art, the softening water used to prepare steam needs to be periodically descaled on the inner wall of the drinking water softener, and under long-term operating conditions, the connected pipeline is prone to scaling. At the same time, the initial water temperature is low, and a large amount of heat energy is needed, which increases the cost of steam preparation. SUMMARY

[0005] The purpose of the present application is to provide a high-temperature heat pump system for steam preparation to solve the problems raised in the background.

[0006] The purpose of the present application is achieved by the following technical scheme: a high-temperature heat pump system for steam preparation, comprising a feed source, the feed source is connected with a first pretreatment section through a connecting pipeline, the first pretreatment section is connected with a second pretreatment section in series through a connecting pipeline, the outlet position of the second pretreatment section is connected with a cyclone separator through a connecting pipeline, the cyclone separator is connected with a water body processor through a connecting pipeline, and a pressure reducing valve is arranged on the connecting pipeline between the cyclone separator and the water body processor.

[0007] The water body processor is connected with a primary evaporator through a connecting pipeline, the primary evaporator is connected with a secondary evaporator through a connecting pipeline, the secondary evaporator is connected with an evaporation generator through a connecting pipeline, and a steam sparger is arranged on the connecting pipeline between the secondary evaporator and the evaporation generator.

[0008] Further, a high-temperature heat pump unit is fixedly arranged between the end of the feed source and the first pretreatment section, and the high-temperature heat pump unit is arranged in parallel or in series with two groups.

[0009] A filtering device using a membrane shell filter or an ion exchange system is arranged between the high-temperature heat pump unit and the feed source.

[0010] Further, the first pre-treatment section includes an initial evaporator connected to a preheating section, the preheating section is provided with two groups, and the two groups of preheating sections are connected in series, and a backflow valve is arranged on the two groups of preheating sections in series, and the backflow valve is connected to the initial evaporator through a connecting pipeline;

[0011] The end of the preheating section is connected to a wind power revolving cavity, the wind power revolving cavity is a spiral coil structure, and a wind pipe is fixedly connected between the spaced spiral coils in the wind power revolving cavity, and the wind pipe is connected to an external fan;

[0012] The wind pipe extends into the spiral coil, and the direction of the spiral coil is consistent with the spiral direction.

[0013] Further, the second pre-treatment section includes a medium-temperature compressor and an initial plate heat exchanger, the medium-temperature compressor and the initial plate heat exchanger are connected in series through a connecting pipeline, and the initial plate heat exchanger is provided with two groups connected in series, and the initial plate heat exchanger at the rear end is connected to a backflow cavity, and the backflow cavity is connected to the inlet position of the first pre-treatment section through a connecting pipeline;

[0014] The outlet position of the backflow cavity is connected to a cyclone separator through a connecting pipe, and the cyclone separator is a vapor-liquid separator.

[0015] Further, the cyclone separator is connected to the inlet position of the first pre-treatment section through a connecting pipeline;

[0016] The vapor-liquid phases are separated after the cyclone separator is separated by pressure reduction.

[0017] Further, the water body processor includes a heating magnetic treatment pipeline and an electronic oxidation unit, and the heating magnetic treatment pipeline and the electronic oxidation unit are connected in parallel or in series;

[0018] A corresponding magnetic pole unit is arranged on the electronic oxidation unit, the magnetic pole unit is arranged in the electronic oxidation unit in an interval, the electronic oxidation unit is a hollow structure, and the two ends are connected to the pipeline through a method, the electronic oxidation unit is connected to a high-voltage generator through a connecting line, and the electronic oxidation unit is a high-voltage high-frequency unidirectional pulse setting;

[0019] The magnetic pole unit is a cylindrical structure, and the material of the magnetic pole unit is made of military pure iron, and the magnetic pole unit extends to the middle position or one-third position of the overall height of the electronic oxidation unit.

[0020] Further, the two-stage evaporator includes two groups of evaporators and separators connected in series to form a one-effect system and a two-effect system, and the one-effect system and the two-effect system are connected to an evaporation generator through a connecting pipeline.

[0021] Further, the steam formed by the one-effect system and the two-effect system passes through the plate heat exchanger and is sprayed into the evaporation passage of the evaporation generator through the steam sprayer.

[0022] Further, the steam formed by any one of the two-effect system and the one-effect system, which is formed by the two groups of evaporators and separators in series, returns to the plate heat exchanger, and the other directly sprays into the evaporation passage of the evaporation generator through the steam sprayer.

[0023] Further, the water body processor adopts a membrane shell filter or an ion exchange system, or a series connection of the membrane shell filter and the ion exchange system.

[0024] Compared with the prior art, the present application has the advantages of complete scheme, simple manufacture, convenient use, safe guarantee, sewage recycling after steam and water separation, and improved steam quality.

[0025] Meanwhile, the preheating section is connected with the air revolving cavity, the air revolving cavity is a spiral coil structure, air pipes are fixedly connected between the spiral coils on the air revolving cavity, and the air pipes are connected with external air fans.

[0026] According to different working conditions, two groups of high-temperature heat pump units are selected in parallel or in series for section treatment.

[0027] The water body processor, the heating magnetic treatment pipeline and the electronic oxidation unit are connected in parallel or in series to increase the saturation of steam. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is the overall connection diagram of the present application;

[0029] Figure 2 is the first pre-treatment section diagram of the present application;

[0030] Figure 3 is the water body processor diagram of the present application;

[0031] Figure 4 is the second pre-treatment section diagram of the present application. DETAILED DESCRIPTION

[0032] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the protection scope of the present application.

[0033] As shown in the drawings, Figures 1-4 A high-temperature heat pump system for steam preparation includes a feed source 1 connected to a first pretreatment section 2 through a connecting pipeline, the first pretreatment section 2 is connected in series with a second pretreatment section 3 through a connecting pipeline, the outlet position of the second pretreatment section 3 is connected to a cyclone separator 10 through a connecting pipeline, the cyclone separator 10 is connected to a water body processor 11 through a connecting pipeline, and a pressure reducing valve is arranged on the connecting pipeline between the cyclone separator 10 and the water body processor 11.

[0034] The water body processor 11 is connected to a first evaporator 14 through a connecting pipeline, the first evaporator 14 is connected to a second evaporator 15 through a connecting pipeline, the second evaporator 15 is connected to an evaporation generator 17 through a connecting pipeline, and a steam sprayer is arranged on the connecting pipeline between the second evaporator 15 and the evaporation generator 17.

[0035] In order to facilitate the compression of the refrigerant into a high-temperature and high-pressure gas by the high-temperature heat pump unit 1-1 in the use state, the further preferred embodiment of the present application is that a high-temperature heat pump unit 1-1 is fixedly arranged between the end of the feed source 1 connected to the first pretreatment section 2, and the two groups of high-temperature heat pump units 1-1 are arranged in parallel or in series.

[0036] A filtering device using a membrane shell filter or an ion exchange system is arranged between the high-temperature heat pump unit 1-1 and the feed source 1.

[0037] According to different working conditions, two groups of high-temperature heat pump units 1-1 are selected for parallel or series connection for section treatment.

[0038] In order to facilitate the treatment of the material (water body) in the use state, the further preferred embodiment of the present application is that the first pretreatment section 2 includes a primary evaporator 4 and a preheating section 5, the primary evaporator 4 is connected to the preheating section 5 through a connecting end, the preheating section 5 is provided with two groups, and the two groups of preheating sections 5 are connected in series, a backflow valve is arranged on each of the two groups of preheating sections 5 in series, and the backflow valve is connected to the primary evaporator 4 through a connecting pipeline.

[0039] In order to facilitate the treatment of the material in the use state to avoid the scaling phenomenon of water body resource in the heated state, the further preferred embodiment of the present application is that the end of the preheating section 5 is connected with the wind revolving cavity 6, the wind revolving cavity 6 is a spiral coil structure, and the wind pipes are fixedly connected between the interval spiral coils on the wind revolving cavity 6, and the wind pipes are connected with the external fan;

[0040] In order to facilitate the water vapor in the pipe to flow quickly under the action of the wind pipe in the use state, the wind pipe extends to the inside of the spiral coil, and the spiral direction of the spiral coil is consistent.

[0041] The end of the wind pipe adopts a spray structure, which is close to the position of the pipe wall of the spiral coil.

[0042] In order to facilitate the secondary treatment of the water body in the use state through the second pretreatment section, the further preferred embodiment of the present application is that the second pretreatment section 3 includes a medium-temperature compressor 7 and a primary efficiency plate heat exchanger 8, the medium-temperature compressor 7 and the primary efficiency plate heat exchanger 8 are connected in series through a connecting pipe, the primary efficiency plate heat exchanger 8 is provided with two groups in series, and the rear-end primary efficiency plate heat exchanger 8 is connected with a backflow cavity 9, and the backflow cavity 9 is connected with the inlet position of the first pretreatment section 2 through a connecting pipe.

[0043] The outlet position of the backflow cavity 9 is connected with a cyclone separator 10 through a connecting pipe, and the cyclone separator 10 is a vapor-liquid separator.

[0044] In order to facilitate the vapor-liquid separation through the cyclone separator in the use state, and to ensure the vapor-liquid separation, the further preferred embodiment of the present application is that the cyclone separator 10 is connected with the inlet position of the first pretreatment section 2 through a connecting pipe.

[0045] The cyclone separator 10 separates the vapor-liquid phase after decompression separation.

[0046] After the vapor-liquid is separated through the cyclone separator, the cyclone separator 10 is connected with the inlet position of the first pretreatment section 2 through a connecting pipe for back setting treatment.

[0047] In order to facilitate the water body treatment of the pipe in the use state through the water body processor to increase the saturation of steam, the further preferred embodiment of the present application is that the water body processor 11 includes a heating magnetic treatment pipe 12 and an electronic oxidation unit 13, and the heating magnetic treatment pipe 12 and the electronic oxidation unit 13 are connected in parallel or in series.

[0048] The electronic oxidation unit 13 is provided with corresponding magnetic pole units, the magnetic pole units are arranged at intervals in the electronic oxidation unit 13, the electronic oxidation unit 13 is a hollow structure, and the two ends are connected with pipelines through a law connection, the electronic oxidation unit 13 is connected with a high-voltage generator through a connecting line, and the electronic oxidation unit 13 is a high-voltage high-frequency unidirectional pulse.

[0049] The magnetic pole unit is a cylindrical structure, and the material of the magnetic pole unit is made of military pure iron, and the magnetic pole unit extends to the middle position or one-third position of the overall height of the electronic oxidation unit 13.

[0050] In order to realize efficient steam treatment in the use state, a multi-stage treatment mode is adopted for operation, and the further preferred embodiment of the present application is that the two-stage evaporator 15 includes two groups of evaporators and separators in series to form a one-effect system and a two-effect system 16, and the one-effect system and the two-effect system 16 are connected with the evaporation generator 17 through a connecting pipeline.

[0051] In order to fully utilize the utility of part of the steam in the use state, the further preferred embodiment of the present application is that the steam formed by the one-effect system and the two-effect system 16 passes through a plate heat exchanger and is sprayed into the evaporation channel of the evaporation generator 17 through a steam sprayer.

[0052] In order to realize heat exchange through the plate heat exchanger to increase the temperature value of the steam in the use state, the further preferred embodiment of the present application is that the steam formed by the two groups of evaporators and separators in series in any one of the one-effect system and the two-effect system 16 returns to the plate heat exchanger, and the other directly sprays into the evaporation channel of the evaporation generator 17 through the steam sprayer.

[0053] In the electric work through the high-temperature heat pump unit 1-1, the refrigerant is compressed into a high-temperature and high-pressure state, and the further preferred embodiment of the present application is that the water body processor 11 adopts a membrane shell filter or an ion exchange system, or adopts a membrane shell filter and an ion exchange system in series.

[0054] It is obvious to those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0055] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.

Claims

1. A high-temperature heat pump system for steam production, characterized by: It includes the supply source (1), the supply source (1) is connected with the first pretreatment section (2) through the connecting pipeline, the first pretreatment section (2) is connected with the second pretreatment section (3) through the connecting pipeline in series, the second pretreatment section (3) outlet position is connected with the cyclone separator (10) through the connecting pipeline, the cyclone separator (10) is connected with the water body processor (11) through the connecting pipeline, and the cyclone separator (10) is provided with a pressure reducing valve on the connecting pipeline of the water body processor (11); The water body processor (11) is connected with the first evaporator (14) through the connecting pipeline, the first evaporator (14) is connected with the second evaporator (15) through the connecting pipeline, the second evaporator (15) is connected with the evaporation generator (17) through the connecting pipeline, and the evaporation generator (17) is provided with a steam sprayer on the connecting pipeline of the second evaporator (15); The first pretreatment section (2) includes the primary evaporator (4) and the preheating section (5), the primary evaporator (4) is connected with the preheating section (5) through the connecting end, the preheating section (5) is provided with two groups, and the two groups of preheating sections (5) are connected in series, the two groups of preheating sections (5) are provided with return valves, and the return valves are connected with the primary evaporator (4) through the connecting pipeline; The preheating section (5) is connected with the wind power revolving cavity (6), the wind power revolving cavity (6) is a spiral coil structure, and air pipes are fixedly connected between the interval spiral coils in the wind power revolving cavity (6), and the air pipes are connected with external air fans; The air pipes extend to the inside of the spiral coil, and the direction of the spiral coil is consistent with the spiral direction of the air pipes; The second pretreatment section (3) includes the medium-temperature compressor (7) and the primary plate heat exchanger (8), the medium-temperature compressor (7) and the primary plate heat exchanger (8) are connected in series through the connecting pipeline, the primary plate heat exchanger (8) is provided with two groups in series, and the primary plate heat exchanger (8) at the rear end is connected with the return cavity (9), and the return cavity (9) is connected with the inlet position of the first pretreatment section (2) through the connecting pipeline; The outlet position of the return cavity (9) is connected with the cyclone separator (10) through the connecting pipeline, and the cyclone separator (10) is a vapor-liquid separator; The cyclone separator (10) is connected with the inlet position of the first pretreatment section (2) through the connecting pipeline; The cyclone separator (10) separates the vapor-liquid phase after pressure reduction separation; The water body processor (11) includes the heating magnetic treatment pipeline (12) and the electronic oxidation unit (13), and the heating magnetic treatment pipeline (12) and the electronic oxidation unit (13) are connected in parallel or in series; The electronic oxidation unit (13) is provided with a corresponding magnetic pole unit, the magnetic pole units are arranged in the electronic oxidation unit (13) at intervals, the electronic oxidation unit (13) is a hollow structure, and the two ends are connected with the pipeline through the law, the electronic oxidation unit (13) is connected with the high-voltage generator through the connecting line, and the electronic oxidation unit (13) is a high-voltage high-frequency unidirectional pulse. The magnetic pole unit is a cylindrical structure, and the material of the magnetic pole unit is made of military pure iron, and the magnetic pole unit extends to the middle position or one-third position of the overall height of the electronic oxidation unit (13); The secondary evaporator (15) includes two groups of evaporators and separators in series, and a one-effect system and a two-effect system (16) is formed, and the one-effect system and the two-effect system (16) are connected with the evaporation generator (17) through a connecting pipeline.

2. The high-temperature heat pump system for steam production according to claim 1, characterized by: A high-temperature heat pump unit (1-1) is fixedly arranged between the end connected with the first pretreatment section (2) of the feed source (1), and the high-temperature heat pump unit (1-1) is arranged in parallel or in series with two groups. A filtering device using a membrane shell filter or an ion exchange system is arranged between the high-temperature heat pump unit (1-1) and the feed source (1).

3. The high-temperature heat pump system for steam production according to claim 2, characterized by: The steam formed by the one-effect system and the two-effect system (16) passes through a plate heat exchanger and is sprayed into the evaporation channel of the evaporation generator (17) through a steam sprayer.

4. The high-temperature heat pump system for steam production according to claim 3, characterized by: The steam formed by any one of the two groups of evaporators and separators in the one-effect system and the two-effect system (16) returns to the plate heat exchanger, and the other directly sprays into the evaporation channel of the evaporation generator (17) through the steam sprayer.

5. The high-temperature heat pump system for steam production according to claim 4, characterized by: The water body processor (11) is formed by a membrane shell filter or an ion exchange system, or a series connection of the membrane shell filter and the ion exchange system.

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