MVR evaporator with filtering structure

Abstract

The utility model discloses an MVR evaporator with a filter structure, which comprises a base, the upper surface of the base is fixedly connected with a first motor, the output end of the first motor is connected with a compressor through a screw, the upper end of the compressor is fixedly connected with a long thermal insulation pipe, and the right end of the compressor is fixedly connected with a short thermal insulation pipe. A separation chamber is fixedly connected to the lower end of the long heat preservation pipe, a filtering device is arranged below the separation chamber, an electric heater is fixedly connected to the right end of the short heat preservation pipe, a falling film generator is installed on the inner side of the electric heater, and a conveying pipe is fixedly connected to the lower surface of the falling film generator; the rear end of the conveying pipe is fixedly connected with a circulating pump, and the lower surface of the circulating pump is fixedly connected with a bottom plate. According to the structure, the filter, the scraping plate and the box body in the filtering device are arranged to filter concentrated water and scrape impurities on the filter, so that the impurities in the filter are removed.

Description

Technical Field

[0001] The utility model relates to the technical field of evaporators, in particular to an MVR evaporator with a filtering structure. Background Art

[0002] MVR evaporator is a new type of high-efficiency and energy-saving evaporation equipment mainly used in the pharmaceutical industry. The equipment uses low-temperature and low-pressure steaming technology and clean energy to generate steam and separate the water in the medium. It is an internationally advanced evaporation technology and an upgraded product to replace traditional evaporators.

[0003] The existing MVR evaporator cannot filter the treated liquid. After filtering, there are still filtered impurities on the surface of the filter device that cannot be processed. Excessive accumulation of impurities will seriously affect the filtering efficiency of the filter device. Therefore, the filter device needs to be cleaned and replaced regularly. For this reason, we propose an MVR evaporator with a filtering structure. Utility Model Content

[0004] The utility model aims to provide an MVR evaporator with a filtering structure, which filters concentrated water and scrapes off impurities on the filter by setting a filter, a scraper and a box body in the filtering device, thereby removing impurities from the filter to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, an MVR evaporator with a filtering structure is provided, comprising a base, a first motor is fixedly connected to the upper surface of the base, a compressor is connected to the output end of the first motor through a screw, a long insulation tube is fixedly connected to the upper end of the compressor, a short insulation tube is fixedly connected to the right end of the compressor, a separation chamber is fixedly connected to the lower end of the long insulation tube, a filtering device is provided below the separation chamber, an electric heater is fixedly connected to the right end of the short insulation tube, a falling film generator is installed on the inner side of the electric heater, a delivery pipe is fixedly connected to the lower surface of the falling film generator, a circulating pump is fixedly connected to the rear end of the delivery pipe, and a bottom plate is fixedly connected to the lower surface of the circulating pump. The first motor is provided to facilitate the function of driving the compressor, the insulation tube is provided to facilitate the function of reducing the steam temperature, the separation chamber is provided to facilitate the function of separating steam and liquid, the electric heater is provided to facilitate the function of increasing the liquid temperature, the delivery pipe is provided to facilitate the function of liquid transportation, and the circulating pump is provided to facilitate the function of liquid circulation transportation.

[0006] According to the MVR evaporator with a filtering structure, the upper surface of the falling film generator is fixedly connected with a feed pipe, the lower surface of the feed pipe is fixedly connected with a circulation pump, the upper surface of the feed pipe is fixedly connected with a feed inlet, and the outer surface of the feed inlet is fixedly connected with a feed valve body. The feed pipe is provided to facilitate the transportation of liquid, the feed inlet is provided to facilitate the entry of liquid into the device, and the valve body is provided to facilitate the control of liquid in and out.

[0007] According to the MVR evaporator with a filtering structure, a gas pipe is fixedly connected to the left surface of the separation chamber, and the two ends of the gas pipe respectively pass through the falling film generator and the separation chamber, and a material transfer pipe is fixedly connected to the lower surface of the separation chamber. The gas pipe is provided to facilitate the movement of steam to the separation chamber.

[0008] According to the MVR evaporator with a filtering structure, a steam filter is fixedly connected to the inner surface of the separation chamber, and a demister is fixedly connected above the steam filter. The steam filter is provided to facilitate the function of filtering steam, and the demister is provided to separate liquid droplets entrained by gas in the separation chamber.

[0009] According to the MVR evaporator with a filtering structure, the filtering device includes a housing, a support plate, a filter, a scraper, a box body, a handle, a rotating shaft, a discharge port, a discharge valve body, a second motor, a filter plate, and a housing. The filter is fixedly connected to the inner surface of the housing, the lower surface of the scraper contacts the upper surface of the filter, the scraper is fixedly connected to the surface of the rotating shaft, the rotating shaft passes through the housing and is fixedly connected to the output end of the second motor, the second motor is fixedly connected to the inside of the housing, and the support plate is fixedly connected to the front, rear, left, and right sides of the housing. The filter is provided to facilitate the function of filtering liquid, the scraper is provided to facilitate the function of scraping off impurities on the surface of the filter, the rotating shaft is provided to facilitate the function of driving the scraper to rotate, the second motor is provided to facilitate the function of driving the rotating shaft to rotate, the support plate is provided to facilitate the function of fixing the housing, and the housing is provided to facilitate the function of protecting the second motor.

[0010] According to the MVR evaporator with a filtering structure, the box body penetrates the shell and is installed below the filter, the filter plate is fixedly connected to the lower surface of the box body, and the handle is fixedly connected to the left end surface of the box body. The box body is provided to facilitate the collection of impurities, the filter plate is provided to facilitate the filtering of liquid, and the handle is provided to facilitate the removal of the box body.

[0011] According to the MVR evaporator with a filtering structure, the discharge port is fixedly connected to the lower surface of the shell, and the discharge valve body is installed on the outer surface of the discharge port. The discharge port is provided to facilitate the outflow of liquid, and the discharge valve body is provided to facilitate the outflow of liquid.

[0012] The beneficial effects of the utility model are as follows: by arranging the filter, the scraper and the box body in the filtering device, the concentrated water can be filtered and the impurities on the filter can be scraped off, thereby achieving the removal of impurities from the filter.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0015] Figure 1 This is a front view of the overall structure of an MVR evaporator with a filtering structure according to the utility model;

[0016] Figure 2 This is a rear view of the overall structure of an MVR evaporator with a filtering structure according to the utility model;

[0017] Figure 3 This is a cross-sectional view of a separation chamber of an MVR evaporator with a filtering structure according to the utility model;

[0018] Figure 4 This is a view of the internal structure of a filter device of an MVR evaporator with a filter structure according to the utility model;

[0019] Figure 5 This is a cross-sectional view of a filter device of an MVR evaporator with a filter structure according to the utility model;

[0020] Figure 6 For this utility model Figure 5 A magnified view of the structure at center.

[0021] Legend:

[0022] 1. Base; 2. First motor; 3. Compressor; 4. Short insulation tube; 5. Long insulation tube; 6. Circulation pump; 7. Feed inlet; 8. Separation chamber; 9. Filter device; 901. Box body; 902. Support plate; 903. Filter; 904. Scraper; 905. Box body; 906. Handle; 907. Rotating shaft; 908. Discharge port; 909. Discharge valve body; 9010. Second motor; 9011. Filter plate; 9012. Shell; 10. Feed valve body; 11. Falling film generator; 12. Delivery pipe; 13. Bottom plate; 14. Air pipe; 15. Delivery pipe; 16. Steam filter; 17. Defoamer; 18. Electric heater; 19. Transfer pipe. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figures 1 to 6 The utility model embodiment is an MVR evaporator with a filtering structure, which includes a base 1, a first motor 2 is fixedly connected to the upper surface of the base 1, a compressor 3 is connected to the output end of the first motor 2 through screws, a long insulation pipe 5 is fixedly connected to the upper end of the compressor 3, a short insulation pipe 4 is fixedly connected to the right end of the compressor 3, a separation chamber 8 is fixedly connected to the lower end of the long insulation pipe 5, a filtering device 9 is provided below the separation chamber 8, an electric heater 18 is fixedly connected to the right end of the short insulation pipe 4, a falling film generator 11 is installed inside the electric heater 18, a delivery pipe 12 is fixedly connected to the lower surface of the falling film generator 11, a circulating pump 6 is fixedly connected to the rear end of the conveying pipe 12, and a bottom plate 13 is fixedly connected to the lower surface of the circulating pump 6. The insulation structure of the long insulation pipe 5 and the short insulation pipe 4 is composed of a working steel pipe, aluminum silicate, a drag reduction layer, microporous calcium silicate, a heat insulation layer, a stainless steel fastening steel belt, an aluminum foil reflective layer, a polyurethane insulation layer, an outer jacket steel pipe, and an outer anti-corrosion layer. The electric heater 18 refers to an electrical appliance that uses electrical energy to achieve a heating effect. The core of the heater principle is energy conversion, and the most widespread is the conversion of electrical energy into thermal energy. The circulating pump 6 refers to a circulating liquid pump for transporting reaction, absorption, separation, and absorption liquid regeneration in the device.

[0025] The upper surface of the falling film generator 11 is fixedly connected with a feed pipe 15, the lower surface of the feed pipe 15 is fixedly connected with a circulation pump 6, the upper surface of the feed pipe 15 is fixedly connected with a feed port 7, and the outer surface of the feed port 7 is fixedly connected with a feed valve body 10. The feed liquid of the falling film generator 11 is added from the top of the evaporator, and falls along the tube wall in a film shape under the action of gravity, and evaporates and concentrates in the process, and a concentrated liquid is obtained at the bottom. The falling film generator can evaporate materials with high concentration and high viscosity.

[0026] An air supply pipe 14 is fixedly connected to the left surface of the separation chamber 8, and both ends of the air supply pipe 14 pass through the falling film generator 11 and the separation chamber 8 respectively. A material transfer pipe 19 is fixedly connected to the lower surface of the separation chamber 8, and a steam filter 16 is fixedly connected to the inner surface of the separation chamber 8. A demister 17 is fixedly connected above the steam filter 16. The steam filter 16 is mainly composed of a filter element and a casing, wherein the casing is mostly made of stainless steel to ensure the high temperature resistance of the steam filter 16. The filter element material of the steam filter 16 is mostly polytetrafluoroethylene (powder sintering), and the filter element structure can be easily replaced to ensure that the condensed water can be filtered out, and at the same time, it will not be blocked or contaminated by a large amount of impurities. The demister 17 refers to the secondary steam that carries a large amount of liquid during the evaporation operation. Although it is separated in the separation chamber 8, in order to prevent the loss of useful products or contamination of the condensed liquid, it is necessary to try to reduce the entrained liquid foam.

[0027] The filtering device 9 includes a box body 901, a support plate 902, a filter 903, a scraper 904, a box body 905, a handle 906, a rotating shaft 907, a discharge port 908, a discharge valve body 909, a second motor 9010, a filter plate 9011, and a shell body 9012. The filter 903 is fixedly connected to the inner surface of the shell body 9012, the lower surface of the scraper 904 contacts the upper surface of the filter 903, the scraper 904 is fixedly connected to the surface of the rotating shaft 907, the rotating shaft 907 passes through the box body 901 and is fixedly connected to the output end of the second motor 9010, the second motor 9010 is fixedly connected to the inside of the box body 901, and the support plate 902 is fixedly connected to the front, rear, left and right sides of the box body 901.

[0028] The box body 905 passes through the shell 9012 and is installed below the filter 903. The filter plate 9011 is fixedly connected to the lower surface of the box body 905. The handle 906 is fixedly connected to the left end surface of the box body 905. The discharge port 908 is fixedly connected to the lower surface of the shell 9012. The discharge valve body 909 is installed on the outer surface of the discharge port 908.

[0029] Working principle: When in use, start the first motor 2 by connecting an external power supply to drive the compressor 3 to start working, start the second motor 9010 to drive the scraper 904 to run, start the circulating pump 6 and the electric heater 18 to start running, open the feed valve body 10, pour the raw liquid into the falling film evaporator 11 through the feed port 7, the raw liquid is concentrated after being heated by the electric heater 18, the steam enters the separation chamber 8 for cooling, the liquid circulates through the delivery pipe 12 through the circulation pump 6, part of the steam in the separation chamber 8 is sucked into the compressor 3 for secondary compression, and enters the falling film generator 11 for heating through the short insulation pipe 4, the liquid in the separation chamber 8 enters the filter device 9 through the feed pipe 19, and is discharged from the discharge port 908 after filtration. The filtered impurities are scraped into the box body 905 by the scraper 904. After the treatment is completed, the box body 905 is taken out to treat the impurities.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. An MVR evaporator with a filtering structure, comprising a base (1), characterized in that: The upper surface of the base (1) is fixedly connected to a first motor (2), the output end of the first motor (2) is connected to a compressor (3) via screws, the upper end of the compressor (3) is fixedly connected to a long insulation pipe (5), the right end of the compressor (3) is fixedly connected to a short insulation pipe (4), the lower end of the long insulation pipe (5) is fixedly connected to a separation chamber (8), a filtering device (9) is provided below the separation chamber (8), the right end of the short insulation pipe (4) is fixedly connected to an electric heater (18), a falling film generator (11) is installed on the inner side of the electric heater (18), the lower surface of the falling film generator (11) is fixedly connected to a delivery pipe (12), the rear end of the delivery pipe (12) is fixedly connected to a circulation pump (6), and the lower surface of the circulation pump (6) is fixedly connected to a bottom plate (13).

2. The MVR evaporator with a filtering structure according to claim 1, characterized in that: The upper surface of the falling film generator (11) is fixedly connected to a feed pipe (15), the lower surface of the feed pipe (15) is fixedly connected to a circulation pump (6), the upper surface of the feed pipe (15) is fixedly connected to a feed port (7), and the outer surface of the feed port (7) is fixedly connected to a feed valve body (10).

3. The MVR evaporator with a filtering structure according to claim 1, characterized in that: The left side surface of the separation chamber (8) is fixedly connected to an air supply pipe (14), the two ends of the air supply pipe (14) respectively pass through the falling film generator (11) and the separation chamber (8), and the lower surface of the separation chamber (8) is fixedly connected to a material transfer pipe (19).

4. The MVR evaporator with a filtering structure according to claim 1, characterized in that: A steam filter (16) is fixedly connected to the inner surface of the separation chamber (8), and a defoamer (17) is fixedly connected above the steam filter (16).

5. The MVR evaporator with a filtering structure according to claim 1, characterized in that: The filtering device (9) comprises a housing (901), a support plate (902), a filter (903), a scraper (904), a box body (905), a handle (906), a rotating shaft (907), a discharge port (908), a discharge valve body (909), a second motor (9010), a filter plate (9011), and a housing (9012); the filter (903) is fixedly connected to the inner surface of the housing (9012); the lower surface of the scraper (904) contacts the upper surface of the filter (903); the scraper (904) is fixedly connected to the surface of the rotating shaft (907); the rotating shaft (907) passes through the housing (901) and is fixedly connected to the output end of the second motor (9010); the second motor (9010) is fixedly connected to the inside of the housing (901); and the support plate (902) is fixedly connected to the front side, the rear side, the left side, and the right side of the housing (901).

6. The MVR evaporator with a filtering structure according to claim 5, characterized in that: The box body (905) passes through the shell (9012) and is installed below the filter (903); the filter plate (9011) is fixedly connected to the lower surface of the box body (905); and the handle (906) is fixedly connected to the left end surface of the box body (905).

7. The MVR evaporator with a filtering structure according to claim 5, characterized in that: The discharge port (908) is fixedly connected to the lower surface of the shell (9012), and the discharge valve body (909) is installed on the outer surface of the discharge port (908).

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