Absorption type cold and heat combined supply cycle working medium concentration adjusting device

Abstract

The utility model relates to the technical field of energy utilization, in particular to an absorption type cold and heat combined supply cycle working medium concentration adjusting device which comprises a liquid storage tank and a buffer tank, the liquid storage tank and the buffer tank are connected through a liquid conveying pipe and a conveying pump, an anti-deposition device is arranged in the buffer tank and connected with a driving device, and the buffer tank is provided with a liquid outlet. And a liquid outlet valve is arranged at the liquid outlet. A high-concentration working medium solution is stored in the liquid storage tank, the working medium solution in the liquid storage tank enters the buffer tank and enters the absorption type combined cooling and heating circulation system through the buffer tank, the concentration of a circulation working medium is adjusted, and the high-concentration working medium solution is prevented from being separated out and attached to the liquid storage tank by arranging the anti-deposition device.

Description

Technical Field

[0001] The utility model relates to the technical field of energy utilization, in particular to an absorption type combined cooling and heating power supply cycle working medium concentration regulating device. Background Art

[0002] The absorption type system is a device driven by heat energy and capable of realizing combined cooling and heating power supply, which can effectively utilize clean and low-carbon energy such as natural gas, biomass energy, solar energy, etc., and realize combined cooling and heating in the region to reduce carbon emissions. However, in most regions of our country, the ambient temperature difference between summer cooling and winter heating is large. The absorption type combined cooling and heating power supply technology faces the problems of large differences in the operating conditions of the unit during summer cooling and winter heating, and large changes in the operating concentration of the working medium of the unit, and it is necessary to supplement the circulating working medium in a timely manner.

[0003] A buffer tank is required to buffer the pressure during the replenishment process of the circulating working medium to balance the pressure of the circulating system. However, with the long-term use of the buffer tank, the working medium in the buffer tank is affected by temperature and pressure changes, resulting in precipitation and deposition, which affects the normal use of the buffer tank.

[0004] Therefore, in view of the above problems, an absorption type combined cooling and heating power supply cycle working medium concentration regulating device is proposed to solve the above problems. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model develops an absorption type combined cooling and heating power supply cycle working medium concentration regulating device, which can reduce the precipitation and deposition of the working medium in the buffer tank while replenishing the working medium of the circulating system.

[0006] The technical solution for the utility model to solve the technical problem is: an absorption type combined cooling and heating power supply cycle working medium concentration regulating device, which includes a liquid storage tank and a buffer tank. The liquid storage tank is connected to the buffer tank through a liquid delivery pipe and a delivery pump. An anti-deposition device is arranged in the buffer tank, the anti-deposition device is connected to a driving device, the buffer tank is provided with a liquid outlet, and a liquid outlet valve is arranged at the liquid outlet.

[0007] The high-concentration working medium solution is stored in the liquid storage tank. The working medium solution in the liquid storage tank enters the buffer tank and then enters the absorption type combined cooling and heating power supply circulating system through the buffer tank to adjust the concentration of the circulating working medium. By setting the anti-deposition device, it is possible to prevent the high-concentration working medium solution from precipitating and adhering to the liquid storage tank.

[0008] Preferably, the anti-deposition device includes a guide rail, a connecting shaft, fan blades, fixing rods and a connecting ring. The guide rail is arranged on the inner wall of the buffer tank, the connecting ring is slidably connected to the guide rail, multiple fixing rods are arranged in the connecting ring, the fixing rods are connected to the connecting shaft, the fan blades are arranged on the fixing rods, and the upper end of the connecting shaft is connected to the driving device.

[0009] The working medium in the buffer tank is stirred by the fan blades to reduce the precipitation and deposition of the working medium. The fan blades, fixed rods and connecting shafts are supported by setting guide rails.

[0010] Preferably, a connecting plate is vertically arranged at the top inside the buffer tank. The lower end of the connecting plate is connected to the diversion plate. The diversion plate is inclined. A diversion table is arranged on the diversion plate. The middle of the diversion table is high and both sides are low. The diversion plate is located at the lower end of the liquid inlet of the buffer tank.

[0011] By setting the diversion table and the diversion plate, it is possible to prevent the incoming working medium from directly impacting the fan blades, extend the service life of the fan blades, reduce the impact of the working medium at the same time, and divert the incoming working medium.

[0012] Preferably, the anti-deposition device includes a main shaft, a mounting table, a mounting groove, a support rod, a hinge joint and a scraper. The main shaft is connected to the lower end of the connecting shaft. A plurality of mounting tables are evenly arranged at the lower end of the main shaft. The mounting table is provided with a mounting groove. A support rod is arranged in the mounting groove. A hinge joint is arranged at the end of the support rod away from the main shaft. The hinge joint is hinged to the scraper. The scraper is attached to the inner wall of the buffer tank.

[0013] By setting the scraper, it is possible to prevent the substances precipitated from the working medium from depositing on the inner wall of the buffer tank. The support rod is connected to the scraper through the hinge joint, so that the scraper has a certain rotation angle and fits the inner wall better.

[0014] Preferably, the anti-deposition device further includes a limit groove, a limit block, a guide post, a guide hole and a compression spring. A guide post is arranged in the mounting groove. A guide hole matching the guide post is arranged on the support rod. A compression spring is arranged on the outside of the guide post. One end of the compression spring is connected to the mounting table, and the other end of the compression spring is connected to the support rod. Limit blocks are symmetrically arranged on both sides of the support rod at the mounting groove. Limit grooves are symmetrically arranged on the inner wall of the mounting groove. The limit blocks are slidably connected in the limit grooves.

[0015] By setting the guide post and the compression spring, the compression spring pushes the support rod and the scraper to fit the inner wall, improving the scraping effect.

[0016] Preferably, the driving device includes a motor and a transmission shaft. The motor is located at the upper end of the buffer tank. The motor is connected to the transmission shaft. The transmission shaft is connected to the connecting shaft.

[0017] The motor drives the transmission shaft to rotate, thereby driving the connecting shaft and the main shaft to rotate, achieving the purpose of preventing the working medium from depositing.

[0018] Preferably, a mounting ring is arranged outside the buffer tank. The mounting ring is provided with a plurality of support plates. The lower ends of the support plates are provided with legs. The lower ends of the legs are provided with guide grooves. A threaded post is vertically arranged in the guide grooves. A support foot is arranged in the guide grooves. The support foot is threadedly connected to the leg through the threaded post.

[0019] By setting the threaded posts, it is convenient to adjust the height of the feet, facilitating the installation of the buffer tank. Through the guiding grooves, the offset of the feet is prevented.

[0020] The effects provided in the utility model content are only the effects of the embodiments, rather than all the effects of the utility model. The above technical solutions have the following advantages or beneficial effects:

[0021] The high-concentration working medium solution is stored in the liquid storage tank. The working medium solution in the liquid storage tank enters the buffer tank and then enters the absorption-type combined cooling, heating and power generation cycle system through the buffer tank to adjust the concentration of the circulating working medium. By setting the anti-deposition device, the precipitation of the high-concentration working medium solution adhering to the liquid storage tank is prevented;

[0022] The working medium in the buffer tank is stirred by the fan blades to reduce the precipitation and deposition of the working medium. By setting the guide rails, the fan blades, the fixed rods and the connecting shafts are supported;

[0023] By setting the flow splitting table and the guide plate, the entering working medium is prevented from directly impacting the fan blades, prolonging the service life of the fan blades, reducing the impact of the working medium at the same time, and splitting the entering working medium. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model.

[0025] Figure 1 It is a schematic structural diagram of the present utility model.

[0026] Figure 2 It is a schematic sectional view of the buffer tank of the present utility model.

[0027] Figure 3 It is a schematic sectional structural diagram of the buffer tank of the present utility model.

[0028] Figure 4 It is a schematic anti-deposition structure diagram of the present utility model.

[0029] Figure 5 It is an attachment of the present utility model Figure 4 The enlarged schematic diagram of the structure at A in the figure.

[0030] Figure 6 It is a schematic sectional anti-deposition structure diagram of the present utility model.

[0031] Figure 7 It is a schematic diagram of the structure at the flow splitting table of the present utility model.

[0032] In the figure, 1 is a liquid storage tank; 2 is a buffer tank; 3 is an infusion tube; 4 is a delivery pump; 5 is a liquid outlet; 6 is a liquid outlet valve; 7 is a guide rail; 8 is a connecting shaft; 9 is a fan blade; 10 is a fixed rod; 11 is a connecting ring; 12 is a connecting plate; 13 is a deflector; 14 is a flow splitting table; 15 is a main shaft; 16 is an installation table; 17 is an installation groove; 18 is a support rod; 19 is a hinge joint; 20 is a scraper; 21 is a limit block; 22 is a limit groove; 23 is a guide post; 24 is a guide hole; 25 is a compression spring; 26 is a motor; 27 is a transmission shaft; 28 is an installation ring; 29 is a support plate; 30 is a leg; 31 is a guide groove; 32 is a threaded column; 33 is a foot. Detailed implementation mode

[0033] In order to clearly illustrate the technical features of this solution, the present utility model will be described in detail below through specific implementation modes and in conjunction with its attached drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, the components and settings of specific examples are described below. In addition, the present utility model may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. The present utility model omits the description of well-known components and processing technologies and processes to avoid unnecessarily limiting the present utility model. The orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0034] Such as Figures 1 to 7As shown in the figure, an absorption-type combined cooling and heating power supply cycle working fluid concentration regulating device includes a liquid storage tank 1 and a buffer tank 2. The liquid storage tank 1 is connected to the buffer tank 2 through a liquid delivery pipe 3 and a delivery pump 4. An anti-deposition device is arranged inside the buffer tank 2, and the anti-deposition device is connected to a driving device. The buffer tank 2 is provided with a liquid outlet 5, and a liquid outlet valve 6 is arranged at the liquid outlet 5. The high-concentration working fluid solution is stored in the liquid storage tank 1. The working fluid solution in the liquid storage tank 1 enters the buffer tank 2 and then enters the absorption-type combined cooling and heating power supply cycle system through the buffer tank 2 to regulate the concentration of the circulating working fluid. By arranging the anti-deposition device, it is prevented that the high-concentration working fluid solution precipitates and adheres to the liquid storage tank 1.

[0035] The anti-deposition device includes a guide rail 7, a connecting shaft 8, a fan blade 9, a fixing rod 10 and a connecting ring 11. The guide rail 7 is arranged on the inner wall of the buffer tank 2, and the connecting ring 11 is slidably connected to the guide rail 7. A plurality of fixing rods 10 are arranged inside the connecting ring 11. The fixing rod 10 is connected to the connecting shaft 8, and the fan blade 9 is arranged on the fixing rod 10. The upper end of the connecting shaft 8 is connected to the driving device. The working fluid in the buffer tank 2 is stirred by the fan blade 9 to reduce the precipitation and deposition of the working fluid. By arranging the guide rail 7, the fan blade 9, the fixing rod 10 and the connecting shaft 8 are supported.

[0036] A connecting plate 12 is vertically arranged at the top inside the buffer tank 2. The lower end of the connecting plate 12 is connected to a diversion plate 13. The diversion plate 13 is inclined. A diversion table 14 is arranged on the diversion plate 13. The middle of the diversion table 14 is high and both sides are low. The diversion plate 13 is located at the lower end of the liquid inlet of the buffer tank 2. By arranging the diversion table 14 and the diversion plate 13, it is prevented that the incoming working fluid directly impacts the fan blade 9, the service life of the fan blade 9 is prolonged, and at the same time, the impact of the working fluid is reduced and the incoming working fluid is diverted.

[0037] The anti-deposition device includes a main shaft 15, a mounting table 16, a mounting groove 17, a support rod 18, a hinge joint 19 and a scraping plate 20. The main shaft 15 is connected to the lower end of the connecting shaft 8. A plurality of mounting tables 16 are evenly arranged at the lower end of the main shaft 15. The mounting table 16 is provided with a mounting groove 17. The support rod 18 is arranged inside the mounting groove 17. One end of the support rod 18 away from the main shaft 15 is provided with a hinge joint 19, and the hinge joint 19 is hinged to the scraping plate 20. The scraping plate 20 is attached to the inner wall of the buffer tank 2. By arranging the scraping plate 20, it is prevented that the substances precipitated from the working fluid are deposited on the inner wall of the buffer tank 2. The support rod 18 is connected to the scraping plate 20 through the hinge joint 19, so that the scraping plate 20 has a certain rotation angle and makes the scraping plate 20 fit the inner wall better.

[0038] The anti-deposition device further includes a limit groove 22, a limit block 21, a guide post 23, a guide hole 24, and a compression spring 25. A guide post 23 is arranged in the installation groove 17, a guide hole 24 matching with the guide post 23 is arranged on the support rod 18, a compression spring 25 is arranged outside the guide post 23, one end of the compression spring 25 is connected to the installation platform 16, the other end of the compression spring 25 is connected to the support rod 18, limit blocks 21 are symmetrically arranged on both sides of the support rod 18 at the position of the installation groove 17, limit grooves 22 are symmetrically arranged on the inner wall of the installation groove 17, and the limit blocks 21 are slidably connected in the limit grooves 22. By arranging the guide post 23 and the compression spring 25, the compression spring 25 pushes the support rod 18 and the scraping plate 20 to fit the inner wall, improving the scraping effect.

[0039] The driving device includes a motor 26 and a transmission shaft 27. The motor 26 is located at the upper end of the buffer tank 2. The motor 26 is connected to the transmission shaft 27, and the transmission shaft 27 is connected to the connecting shaft 8. By driving the transmission shaft 27 to rotate through the motor 26, the connecting shaft 8 and the main shaft 15 are driven to rotate, achieving the purpose of preventing the working medium from depositing.

[0040] An installation ring 28 is arranged outside the buffer tank 2. The installation ring 28 is provided with a plurality of support plates 29. The lower ends of the support plates 29 are provided with legs 30. The lower ends of the legs 30 are provided with guide grooves 31. A threaded post 32 is vertically arranged in the guide grooves 31. A support foot 33 is arranged in the guide grooves 31. The support foot 33 is threadedly connected to the leg 30 through the threaded post 32. By arranging the threaded post 32, it is convenient to adjust the height of the support foot 33, facilitating the installation of the buffer tank 2. Through this, the guide grooves 31 prevent the support foot 33 from shifting.

[0041] Working principle: A working medium solution with a relatively high concentration enters the buffer tank 2 from the liquid storage tank 1. The motor 26 on the buffer tank 2 drives the fan blade 9 to rotate, stirring the working medium in the buffer tank 2, reducing the precipitation of the working medium. At the same time, it drives the scraping plate 20 to scrape the inner wall of the buffer tank 2 to prevent deposition. The working medium in the buffer tank 2 enters the circulation system to adjust the concentration of the circulation system.

[0042] Although the specific implementation manners of the utility model are described above in conjunction with the drawings, it is not a limitation to the protection scope of the utility model. Based on the technical solutions of the utility model, various modifications or deformations that can be made by those skilled in the art without creative efforts are still within the protection scope of the utility model.

Claims

1. An absorption type combined cooling and heating cycle working medium concentration regulating device, characterized by: The invention comprises a liquid storage tank (1) and a buffer tank (2), wherein the liquid storage tank (1) and the buffer tank (2) are connected via a liquid infusion pipe (3) and a delivery pump (4), an anti-deposition device is arranged in the buffer tank (2), and the anti-deposition device is connected to a driving device, the buffer tank (2) is provided with a liquid outlet (5), and a liquid outlet valve (6) is arranged at the liquid outlet (5).

2. The absorption type combined cooling and heating cycle working medium concentration regulating device according to claim 1 is characterized in that: The anti-deposition device comprises a guide rail (7), a connecting shaft (8), a fan blade (9), a fixed rod (10) and a connecting ring (11); the guide rail (7) is arranged on the inner wall of the buffer tank (2); the connecting ring (11) is slidably connected to the guide rail (7); a plurality of fixed rods (10) are arranged in the connecting ring (11); the fixed rods (10) are connected to the connecting shaft (8); the fan blade (9) is arranged on the fixed rod (10); and the upper end of the connecting shaft (8) is connected to a driving device.

3. The absorption type combined cooling and heating cycle working medium concentration regulating device according to claim 2 is characterized by: A connecting plate (12) is vertically arranged at the top of the buffer tank (2), the lower end of the connecting plate (12) is connected to a guide plate (13), the guide plate (13) is arranged at an angle, a flow diversion platform (14) is arranged on the guide plate (13), the middle part of the flow diversion platform (14) is high and the two sides are low, and the guide plate (13) is located at the lower end of the liquid inlet of the buffer tank (2).

4. The absorption type combined cooling and heating cycle working medium concentration regulating device according to claim 2 is characterized by: The anti-deposition device comprises a main shaft (15), a mounting platform (16), a mounting groove (17), a support rod (18), a hinged joint (19) and a scraper (20); the main shaft (15) is connected to the lower end of the connecting shaft (8); a plurality of mounting platforms (16) are evenly arranged at the lower end of the main shaft (15); the mounting platform (16) is provided with a mounting groove (17); a support rod (18) is arranged in the mounting groove (17); a hinged joint (19) is arranged at one end of the support rod (18) away from the main shaft (15); the hinged joint (19) is hingedly connected to the scraper (20); and the scraper (20) is in contact with the inner wall of the buffer tank (2).

5. The absorption type combined cooling and heating cycle working medium concentration regulating device according to claim 4 is characterized by: The anti-deposition device further comprises a limit groove (22), a limit block (21), a guide column (23), a guide hole (24) and a compression spring (25); the guide column (23) is arranged in the installation groove (17); the guide hole (24) matched with the guide column (23) is arranged on the support rod (18); a compression spring (25) is arranged on the outer side of the guide column (23); one end of the compression spring (25) is connected to the installation platform (16); the other end of the compression spring (25) is connected to the support rod (18); limit blocks (21) are symmetrically arranged on both sides of the support rod (18) located at the installation groove (17); limit grooves (22) are symmetrically arranged on the inner wall of the installation groove (17); and the limit blocks (21) are slidably connected in the limit grooves (22).

6. The absorption type combined cooling and heating cycle working medium concentration regulating device according to claim 1 is characterized by: The driving device comprises a motor (26) and a transmission shaft (27); the motor (26) is located at the upper end of the buffer tank (2); the motor (26) is connected to the transmission shaft (27); and the transmission shaft (27) is connected to the connecting shaft (8).

7. The absorption type combined cooling and heating cycle working medium concentration regulating device according to claim 1 is characterized by: A mounting ring (28) is arranged on the outside of the buffer tank (2), a plurality of support plates (29) are arranged on the mounting ring (28), a support leg (30) is arranged at the lower end of the support plate (29), a guide groove (31) is arranged at the lower end of the support leg (30), a threaded column (32) is vertically arranged in the guide groove (31), a support foot (33) is arranged in the guide groove (31), and the support foot (33) is threadedly connected to the support leg (30) via the threaded column (32).

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