Hybrid power type energy-saving drying machine

Abstract

The invention relates to the technical field of dryers, and discloses a hybrid energy-saving dryer, which adopts a circulating cooling system in which normal-temperature circulating water and frozen ice water are matched to assist, and depends on water to provide a cold source, so that the energy consumption is greatly reduced, and meanwhile, the problems of high-temperature tripping and ice blockage of a traditional freezing dryer are completely solved. The starting working time of the compressor is only one half of the whole day, the annual energy consumption of the whole machine is only about 10% of that of a traditional freezing type drying machine, internal heat exchange pipes are all made of stainless steel materials, corrosion resistance is achieved, the service life is long, the fault rate is low, and the whole device is detachable, convenient to clean and maintain and low in cost. A precooling temperature-returning device which is uniquely designed is adopted, so that saturated hot compressed air entering the drying machine is cooled for three times and heated for one time, dry compressed air with very low absolute water content and relative humidity is obtained at an exhaust port of the drying machine, and the water temperature and the air temperature can be automatically adjusted according to environmental changes; and the dew point temperature is maintained in a normal range.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of drying machines, in particular to a hybrid energy-saving drying machine. BACKGROUND

[0002] With the development of industrial production, the demand for high-quality compressed air is increasing. Compressed air contains a certain amount of water vapor. If not effectively dried, it will affect the normal operation of the air equipment, shorten the service life, and even cause product quality problems. The refrigeration type compressed air dryer is a commonly used dehumidification equipment. It uses refrigerant circulation to cool the compressed air to below the dew point temperature, and the water in the humid air is condensed and separated from the air to obtain dry air.

[0003] In the working process of the refrigeration type compressed air dryer, a compressor is usually used for refrigeration. Since the temperature of the compressed air is usually high, the compressor needs to have a large power refrigeration to meet the condensation cooling requirement. Not only is the power consumption high, but the compressed refrigeration relies on freon and other refrigerants, which is not conducive to ecological protection, and is prone to high-temperature trip and ice blockage problems, and the working stability is poor. Therefore, a hybrid energy-saving drying machine is proposed. SUMMARY

[0004] The purpose of the present application is to provide a hybrid energy-saving drying machine to solve the problems raised in the background.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a hybrid energy-saving drying machine, comprising a temperature recovery device, a filter, a secondary cooler, a primary cooler and a device support, the primary cooler is supported and installed by the device support, the temperature recovery device is installed in communication with the air inlet end of the compressed air, the air inlet end of the primary cooler is installed in communication with the air outlet end of the temperature recovery device through a pipeline, the air inlet end of the secondary cooler is installed in communication with the air outlet end of the primary cooler, the air inlet end of the filter is installed in communication with the air outlet end of the secondary cooler, and the air outlet end of the filter is installed in communication with the backflow air path end of the temperature recovery device.

[0006] The backflow air path of the temperature recovery device is provided with a first heat exchange pipe, and the inside of the primary cooler and the secondary cooler is respectively provided with a second heat exchange pipe and a third heat exchange pipe, and the water path end pipes of the primary cooler and the secondary cooler are respectively installed in communication with the normal temperature water path and the cold water path outside.

[0007] As a preferred, the middle part of the temperature recovery device is provided with a temperature recovery container cylinder, both ends of the temperature recovery container cylinder are fixedly installed with temperature recovery heads, the end of the temperature recovery head on the upper side is provided with a first air inlet, the first air inlet is installed in communication with the air inlet end of the compressed air, the end pipe part of the first air inlet is provided with a pressure difference port and a first temperature measuring port, and the side part of the temperature recovery container cylinder is provided with a first air outlet.

[0008] As preferred, the middle part of the above-mentioned re-warming container barrel is fixedly installed with a first tube plate on both sides, a plurality of the first heat exchange tubes are fixedly installed in the interior of the re-warming container barrel in a matrix shape through the support of the first tube plate, the air inlet and outlet ends of the first heat exchange tubes are respectively and communicatively installed with the air cavity part of the first air inlet and outlet, the middle part of the re-warming container barrel is respectively provided with a second air inlet and outlet, and the second air inlet and outlet are respectively and communicatively installed with the outside cavity side of the first heat exchange tube.

[0009] As preferred, the middle part of the above-mentioned primary cooler is provided with a first cooling container barrel, the lower part of the first cooling container barrel is fixedly installed with a container support, the first cooling container barrel is fixedly and supportingly installed on the upper part of the equipment support through the container support, both ends of the first cooling container barrel are provided with cooling heads, the connecting part of the cooling head is provided with a second stud and a second nut, two groups of the cooling heads are respectively and fixedly and oppositely installed with two groups of second container flanges provided on the end part of the first cooling container barrel through the cooperation of the second stud and the second nut, and the front and back sides of the first cooling container barrel are respectively provided with a fourth air inlet and a fourth air outlet.

[0010] As preferred, the end part of the above-mentioned cooling head on the rear side is provided with a first water outlet and a first water inlet which are in communication with the normal temperature waterway, the end tube side of the first water inlet is provided with a second temperature measuring port, both ends of the first cooling container barrel are fixedly installed with a second tube plate on the inner cavity side, a plurality of the second heat exchange tubes are fixedly installed in the interior of the first cooling container barrel in a matrix shape through the support of the second tube plate, the middle part of the inner cavity of the first cooling container barrel is uniformly provided with a first baffle, the middle part of the first baffle is provided with a first distance tube and a first pull rod, the first water outlet and the first water inlet are in communication with the circulating end tube side of the second heat exchange tube, the lower part of the barrel of the first cooling container barrel is communicatively provided with a first cooling blowdown port, and the end tube side of the first cooling blowdown port is provided with a first cooling blowdown port.

[0011] As preferred, the middle part of the above-mentioned secondary cooler is provided with a second cooling container barrel, both ends of the second cooling container barrel are provided with cooling heads, the connecting part of the cooling head is provided with a third stud and a third nut, two groups of the cooling heads are respectively and fixedly and oppositely installed with two groups of third container flanges provided on the end part of the second cooling container barrel through the cooperation of the third stud and the third nut, and the front and back sides of the second cooling container barrel are respectively provided with a fifth air outlet and a fifth air inlet.

[0012] As preferred, the end of the front side of the cooling head is provided with a second water outlet and a second water inlet in communication with the cold water path, the end tube edge of the second water outlet is provided with a third temperature measuring port, the inner cavity side of the two ends of the first cooling container cylinder is fixedly installed with a third tube plate, the third heat exchange tube is provided with a plurality of third heat exchange tubes, and the third heat exchange tubes are fixedly installed in the second cooling container cylinder in a matrix shape through the third tube plate, the inner cavity of the second cooling container cylinder is uniformly provided with a second baffle plate, the middle part of the second baffle plate is provided with a second distance tube and a second pull rod, the second water outlet and the second water inlet are in communication with the circulating end tube side of the third heat exchange tube, and the lower part of the cylinder of the second cooling container cylinder is provided with a second cooling sewage outlet in communication, and the end tube edge of the second cooling sewage outlet is provided with a second cooling water outlet.

[0013] As preferred, the middle part of the filter is provided with a filter container cylinder, the two ends of the filter container cylinder are provided with filter heads, the connection part of the filter head is provided with a first nut and a first stud, and two groups of filter heads are fixedly connected and installed with the two groups of first container flanges provided at the end of the filter container cylinder through the cooperation of the first nut and the first stud.

[0014] Compared with the prior art, the above technical scheme has the following technical effects:

[0015] 1. The drying machine is different from the traditional pure compression refrigeration structure, adopts a normal temperature circulating water and frozen ice water assisted circulating cooling system, relies on water liquid to provide a cold source, greatly reduces energy consumption, completely solves the high temperature trip and ice blockage problems of the traditional cold dryer, and only in the high temperature weather from May to December in a year, the compressor refrigeration system of the equipment is started, and the working time of the compressor is only half of the whole day, and the annual energy consumption of the whole machine is only about 10% of that of the traditional refrigeration type drying machine.

[0016] 2. The device has small environmental requirement limitation and can be used in most harsh environments, the internal heat exchange pipe is made of stainless steel material, has long corrosion resistance service life, low failure rate, and the whole device can be disassembled, so that the cleaning and maintenance are convenient.

[0017] 3. The pre-cooling and temperature recovery device is designed uniquely, so that the saturated hot compressed air entering the dryer is cooled three times and heated once, and then the dry compressed air with low absolute moisture content and relative humidity is obtained at the exhaust port of the dryer, the pressure difference is small, the energy consumption of the air compressor can be saved, the water temperature and air temperature can be automatically adjusted according to the environmental changes, and the dew point temperature can be maintained in the normal range. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0019] Figure 1 It is a front overall structure schematic diagram of the hybrid energy-saving dryer of the present application.

[0020] Figure 2 It is an internal part structure schematic diagram of the temperature recovery device of the present application.

[0021] Figure 3 It is an internal part structure schematic diagram of the filter of the present application.

[0022] Figure 4 It is an internal part structure schematic diagram of the first-stage cooler of the present application.

[0023] Figure 5 It is an internal part structure schematic diagram of the second-stage cooler of the present application.

[0024] Explanation of reference signs: 1, temperature equalizing device; 2, filter; 3, secondary cooler; 4, primary cooler; 5, equipment support; 6, first air inlet; 7, temperature equalizing head; 8, first heat exchange tube; 9, temperature equalizing vessel cylinder; 10, second air outlet; 11, first tube plate; 12, first air outlet; 13, differential pressure port; 14, first temperature measuring port; 15, second air inlet; 16, lifting lug; 17, filter head; 18, first nut; 19, first vessel flange; 20, third air inlet; 21, filter vessel cylinder; 22, filter element; 23, filter drainage port; 24, filter blowdown port; 25, first stud; 26, third air outlet; 27, core plate; 28, cooling head; 29, second stud; 30, second nut; 31, fourth air inlet; 32, first distance tube; 33, first baffle plate; 34, second heat exchange tube; 35, first cooling vessel cylinder; 36, fourth air outlet; 37, second tube plate; 38, second vessel flange; 39, first water outlet; 40, first pull rod; 41, first cooling blowdown port; 42, first cooling drainage port; 43, vessel support; 44, second temperature measuring port; 45, first water inlet; 46, second water outlet; 47, third stud; 48, third nut; 49, fifth air outlet; 50, second distance tube; 51, second baffle plate; 52, third heat exchange tube; 53, second pull rod; 54, second cooling vessel cylinder; 55, third tube plate; 56, second water inlet; 57, third temperature measuring port; 58, second cooling blowdown port; 59, second cooling drainage port; 60, fifth air inlet; 61, third vessel flange. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0026] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the present application are only used to understand and read the disclosed content by those skilled in the art, and are not used to limit the defined conditions for the implementation of the present application, and therefore do not have technical substantive significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, which does not affect the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content of the present application.

[0027] EMBODIMENT

[0028] Please refer to Figures 1-5This invention provides a technical solution: a hybrid energy-saving dryer, comprising a reheater 1, a filter 2, a secondary cooler 3, a primary cooler 4, and an equipment support 5, specifically:

[0029] Regenerator 1: Used for heat exchange and temperature increase of the return gas. Regenerator 1 is installed connected to the inlet of compressed air, as shown in the attached diagram. Figure 2 As shown, a reheating container cylinder 9 is provided in the middle of the reheating unit 1. To facilitate the sealing of the ends of the reheating container cylinder 9, reheating end caps 7 are fixedly installed on both ends of the reheating container cylinder 9. To facilitate the supply of compressed air, a first air inlet 6 is provided at the end of the upper reheating end cap 7. The first air inlet 6 is connected to the air inlet of the compressed air. To facilitate the connection and installation of the pressure and temperature detection probes of the compressed air, a differential pressure port 13 and a first temperature measuring port 14 are provided at the end pipe of the first air inlet 6. To facilitate the air outlet, a first air outlet 12 is provided at the side of the reheating container cylinder 9. To achieve gas heat exchange, a first heat exchange tube is provided in the return air path of the reheating unit 1. 8. Multiple first heat exchange tubes 8 are provided. To facilitate the installation and support of the first heat exchange tubes 8, first tube sheets 11 are fixedly installed on both sides of the middle part of the reheating container cylinder 9. Several first heat exchange tubes 8 are fixedly installed in the interior of the reheating container cylinder 9 in a matrix shape by the support of the first tube sheets 11. The inlet and outlet ends of the first heat exchange tubes 8 are respectively connected to the air cavity of the first air inlet 6 and the first air outlet 12, which can facilitate the directional flow of compressed air. In order to facilitate the transmission and connection of the return gas, second air inlets 15 and second air outlets 10 are respectively provided on both sides of the middle part of the reheating container cylinder 9. The second air inlets 15 and the second air outlets 10 are both connected to the external cavity side of the first heat exchange tubes 8.

[0030] Primary Cooler 4: Used for preliminary cooling of compressed air. The inlet of the primary cooler 4 is connected to the outlet of the reheater 1 via a pipeline. The primary cooler 4 is supported by the equipment support 5. See attached diagram for details. Figure 4 As shown, a first cooling container cylinder 35 is provided in the middle of the first-stage cooler 4. A container support 43 is fixedly installed at the lower part of the first cooling container cylinder 35. The first cooling container cylinder 35 is fixedly supported and installed on the upper part of the equipment support 5 through the container support 43. In order to achieve the end closure of the first cooling container cylinder 35, a cooling end cap 28 is provided at both ends of the first cooling container cylinder 35. A second stud 29 and a second nut 30 are provided at the connection of the cooling end cap 28. The two sets of cooling end caps 28 are fixedly connected to the two sets of second container flanges 38 provided at the ends of the first cooling container cylinder 35 through the cooperation of the second stud 29 and the second nut 30. In order to achieve air supply connection, a fourth air inlet 31 and a fourth air outlet 36 are respectively provided at the front and rear sides of the first cooling container cylinder 35. The fourth air inlet 31 is connected to the first air outlet 12 through a pipeline.

[0031] In order to realize cooling heat exchange, a second heat exchange pipe 34 is arranged in the primary cooler 4, as shown in the attached Figure 4 As shown, in order to realize water path communication, a first water outlet 39 and a first water inlet 45 communicating with the normal temperature water path are arranged at the end of the rear side cooling head 28, in order to facilitate the connection and installation of the temperature measuring probe, a second temperature measuring port 44 is arranged at the end pipe side of the first water inlet 45, the second heat exchange pipe 34 is arranged in plurality, in order to facilitate the support and installation of the second heat exchange pipe 34, the second tube plate 37 is fixedly installed at the inner cavity side of both ends of the first cooling container cylinder 35, a plurality of second heat exchange pipes 34 are supported by the second tube plate 37 and fixedly installed in the interior of the first cooling container cylinder 35, the first water outlet 39 and the first water inlet 45 are connected with the circulating end pipe side of the second heat exchange pipe 34, so as to realize the circulation of water liquid, in order to improve the installation support stability of the middle part of the second heat exchange pipe 34, the first baffle plate 33 is uniformly arranged in the inner cavity of the first cooling container cylinder 35, the second heat exchange pipe 34 is stably installed in the interior of the first cooling container cylinder 35 through the first baffle plate 33, in order to support and reinforce the first baffle plate 33, the first distance pipe 32 and the first pull rod 40 are arranged in the middle part of the first baffle plate 33, the first distance pipe 32 is supported and installed between the adjacent two groups of first baffle plates 33 through the first pull rod 40, in order to facilitate the discharge of dirt in the first cooling container cylinder 35, the first cooling dirt outlet 41 is arranged in communication at the lower part of the cylinder of the first cooling container cylinder 35, in order to facilitate the discharge of condensed water liquid, the first cooling water outlet 42 is arranged at the end pipe side of the first cooling dirt outlet 41.

[0032] The secondary cooler 3 is used for secondary cooling of compressed air, the air inlet end of the secondary cooler 3 is communicated and installed with the air outlet end of the primary cooler 4, specifically, as shown in the attached Figure 5As shown, the middle part of the secondary cooler 3 is provided with a second cooling container cylinder 54, in order to realize the end sealing of the second cooling container cylinder 54, the two ends of the second cooling container cylinder 54 are provided with cooling heads 28, the connecting part of the cooling head 28 is provided with a third stud 47 and a third nut 48, the two groups of cooling heads 28 are fixed and connected respectively with the two groups of third container flanges 61 provided at the end part of the second cooling container cylinder 54 through the cooperation of the third stud 47 and the third nut 48, in order to facilitate the gas communication, the front and rear parts of the second cooling container cylinder 54 are respectively provided with a fifth gas outlet 49 and a fifth gas inlet 60, the fifth gas inlet 60 is connected and installed with the fourth gas outlet 36 through the pipeline, in order to realize the heat exchange and cooling, the inside of the secondary cooler 3 is provided with a third heat exchange pipe 52, in order to facilitate the waterway communication, the end part of the front cooling head 28 is provided with a second water outlet 46 and a second water inlet 56 which are communicated with the cold waterway, in order to facilitate the connection and installation of the temperature measuring probe, the end pipe edge part of the second water outlet 46 is provided with a third temperature measuring port 57, the third heat exchange pipe 52 is provided with a plurality of, in order to facilitate the installation and support of the third heat exchange pipe 52, the two end inner cavity sides of the first cooling container cylinder 35 are fixedly installed with third tube plates 55, a plurality of third heat exchange pipes 52 are supported by the third tube plates 55 and fixedly installed in the inside of the second cooling container cylinder 54 in a matrix shape, the internal heat exchange pipes are all made of stainless steel material, which has long corrosion resistance service life and low failure rate, and the whole device is detachable, which is convenient for cleaning and maintenance, in order to facilitate the installation and support of the middle part of the third heat exchange pipe 52, the inner cavity middle part of the second cooling container cylinder 54 is uniformly provided with second baffle plates 51, in order to support and reinforce the second baffle plates 51, the middle part of the second baffle plate 51 is provided with a second distance pipe 50 and a second pull rod 53, the second distance pipe 50 and the second pull rod 53 are tensioned and supported between the adjacent two groups of second baffle plates 51, the second water outlet 46 and the second water inlet 56 are connected with the circulating end pipe side of the third heat exchange pipe 52, which can realize the conduction connection of the cold waterway, in order to facilitate the discharge of the dirt in the second cooling container cylinder 54, the lower part of the cylinder of the second cooling container cylinder 54 is communicated and provided with a second cooling blowdown port 58, in order to facilitate the discharge of the condensed water, the end pipe edge part of the second cooling blowdown port 58 is provided with a second cooling water outlet 59, unlike the traditional pure compression refrigeration structure, the normal temperature circulating water and the frozen ice water are used to cooperate and assist the circulating cooling system, the water provides the cold source, which not only greatly reduces the energy consumption, but also completely solves the high temperature trip and ice blockage problem of the traditional cold dryer, and only in the high temperature weather from May to December in a year, the compressor refrigeration system of the equipment is started, and the working time of the compressor is only half of the whole day, the annual energy consumption of the whole machine is only about 10% of the traditional refrigeration type dryer, the device has small limitation on the environment requirement and can be used in most harsh environments.

[0033] Filter 2: for cleaning filter of backflow gas, the air inlet end of filter 2 is installed in communication with the air outlet end of secondary cooler 3, the air outlet end of filter 2 is installed in communication with the backflow gas path end of back temperature device 1, specifically, as shown in the attached Figure 2 Figure, the middle part of filter 2 is provided with filter container cylinder 21, in order to close and protect the end part of filter container cylinder 21, filter head 17 is arranged at both ends of filter container cylinder 21, first nut 18 and first stud 25 are arranged at the connection of filter head 17, two groups of filter head 17 are respectively fixedly connected and installed with two groups of first container flange 19 arranged at the end head of filter container cylinder 21 through the cooperation of first nut 18 and first stud 25, in order to realize the filtering work, filter core 22 and core plate 27 are arranged in the inside of filter container cylinder 21, in order to realize the air path communication, third air inlet 20 and third air outlet 26 are respectively arranged at the front and rear cylinder body edges of filter container cylinder 21, third air inlet 20 is installed in communication with fifth air outlet 49 through pipeline, third air outlet 26 is installed in communication with second air inlet 15 through pipeline, the pre-cooling back temperature device with unique design is adopted, so that the saturated hot compressed air entering the drying machine passes through three cooling and one heating processes in sequence, and the drying compressed air with very low absolute water content and relative humidity is obtained at the exhaust port of the drying machine, the pressure difference is small, the air compressor energy consumption can be saved, the water temperature and air temperature can be automatically adjusted according to the environmental changes, the dew point temperature is maintained within the normal range, in order to facilitate the hoisting and supporting of filter container cylinder 21, lifting lug 16 is fixedly installed at the upper part of upper filter head 17, in order to facilitate the discharge of impurities in filter container cylinder 21, filter blowdown 24 is arranged at the bottom of lower filter head 17, in order to facilitate the discharge of condensate, filter drain 23 is arranged at the pipe edge of filter blowdown 24.

[0034] Working principle or structural principle:

[0035] Step one, the high-temperature and humid saturated compressed air produced by the air compressor enters back temperature device 1, and the hot compressed air about to enter primary cooler 4 is preliminarily cooled and the discharged cold air is heated through heat exchange between the first heat exchange pipe 8 in back temperature device 1 and the cold air cooled twice by secondary cooler 3;

[0036] Step two, the compressed air preliminarily cooled in back temperature device 1 enters primary cooler 4 and exchanges heat with the cooling water at normal temperature, the cooling water takes away the heat in the compressed air, the temperature of the compressed air is reduced, the gaseous water molecules in the compressed air reach the saturation temperature and condense into liquid water, most of the condensed liquid water is discharged through the two drain ports at the bottom of primary cooler 4;

[0037] Step three, another small part of the liquid water is carried into the secondary cooler 3 with the gas and exchanges heat with the ice water, the compressed air is cooled again, the gaseous water molecules in the compressed air reach the saturation temperature and condense into liquid water, the condensed liquid water is discharged through the two drain ports at the bottom of the secondary cooler 3, and then the gas cooled for the second time in the secondary cooler 3 enters the filter 2 and is separated and filtered through the filter core 22 and the core plate 27, and is automatically discharged from the lower drain port;

[0038] Step four, the cold air after cooling and water removal flows back into the temperature restorer 1 and exchanges heat with the high-temperature compressed air input from the outside, the cold air after heat exchange is heated and the temperature is increased, and the air changes from the saturated state to the unsaturated state, so that the air does not precipitate liquid water during pipeline transportation due to temperature reduction.

[0039] In summary, the drying machine is different from the traditional pure compression refrigeration structure, adopts a normal temperature circulating water and frozen ice water assisted circulating cooling system, relies on water to provide a cold source, greatly reduces energy consumption, completely solves the high-temperature trip and ice blockage problems of the traditional cold dryer, and only in the high-temperature weather from May to December in a year, the compressor refrigeration system of the equipment is started, and the working time of the compressor is only half of the whole day. The energy consumption of the whole machine in a year is only about 10% of that of the traditional refrigeration dryer. The device has small environmental requirement limitation and can be used in most harsh environments. The internal heat exchange pipe is made of stainless steel, which is corrosion-resistant and has long service life and low failure rate. The device is detachable, easy to clean and maintain, and the pre-cooling temperature restorer is designed to make the saturated hot compressed air entering the drying machine pass through three cooling and one heating processes, so that the drying compressed air with low absolute water content and low relative humidity is obtained at the exhaust port of the drying machine, the pressure difference is small, the air compressor energy consumption is saved, and the dew point temperature is maintained within the normal range according to the automatic adjustment of the water temperature and the air temperature.

[0040] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and combined, even if such combination or combination is not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or combined in various combinations without departing from the spirit and teachings of the present application. All these combinations and / or combinations fall within the scope of the present application.

Claims

1. A hybrid energy-saving drying machine comprising a rewarmer (1), a filter (2), a secondary cooler (3), a primary cooler (4) and a device support (5), characterized in that, The primary cooler (4) is supported and installed by the equipment support (5), the rewarming device (1) is installed in communication with the air inlet end of compressed air, the air inlet end of the primary cooler (4) is installed in communication with the air outlet end of the rewarming device (1) through a pipeline, the air inlet end of the secondary cooler (3) is installed in communication with the air outlet end of the primary cooler (4), the air inlet end of the filter (2) is installed in communication with the air outlet end of the secondary cooler (3), and the air outlet end of the filter (2) is installed in communication with the air return path end of the rewarming device (1); The first heat exchange pipe (8) is arranged in the air return path of the rewarming device (1), the second heat exchange pipe (34) and the third heat exchange pipe (52) are respectively arranged in the interiors of the primary cooler (4) and the secondary cooler (3), and the water path ends of the primary cooler (4) and the secondary cooler (3) are installed in communication with the normal-temperature water path and the cold water path outside.

2. The hybrid energy-saving drying machine according to claim 1, characterized in that, The middle part of the rewarming device (1) is provided with a rewarming container cylinder (9), rewarming heads (7) are fixedly installed at both ends of the rewarming container cylinder (9), a first air inlet (6) is arranged at the end of the upper rewarming head (7), the first air inlet (6) is installed in communication with the air inlet end of compressed air, a differential pressure port (13) and a first temperature measuring port (14) are arranged on the end pipe portion of the first air inlet (6), and a first air outlet (12) is arranged on the side of the rewarming container cylinder (9).

3. The hybrid energy-saving drying machine according to claim 2, characterized in that, First pipe plates (11) are fixedly installed on both sides of the middle part of the rewarming container cylinder (9), a plurality of first heat exchange pipes (8) are arranged, the first heat exchange pipes (8) are fixedly installed in the interior of the rewarming container cylinder (9) in a matrix shape through the first pipe plates (11), the air inlet and outlet ends of the first heat exchange pipes (8) are installed in communication with the air cavity portions of the first air inlet (6) and the first air outlet (12) respectively, and a second air inlet (15) and a second air outlet (10) are arranged on both sides of the middle part of the rewarming container cylinder (9) respectively, and the second air inlet (15) and the second air outlet (10) are installed in communication with the outer cavity sides of the first heat exchange pipes (8).

4. The hybrid energy-saving drying machine according to claim 3, characterized in that, The middle part of the primary cooler (4) is provided with a first cooling container cylinder (35), a container support (43) is fixedly installed at the lower part of the first cooling container cylinder (35), the first cooling container cylinder (35) is fixedly and supportingly installed on the upper part of the equipment support (5) through the container support (43), cooling heads (28) are arranged at both ends of the first cooling container cylinder (35), a second stud (29) and a second nut (30) are arranged at the connection portions of the cooling heads (28), two groups of the cooling heads (28) are fixedly and abuttingly installed with two groups of second container flanges (38) arranged at the end portions of the first cooling container cylinder (35) through cooperation of the second stud (29) and the second nut (30) respectively, fourth air inlets (31) and fourth air outlets (36) are arranged on the front and rear sides of the first cooling container cylinder (35) respectively, and the fourth air inlets (31) are installed in communication with the first air outlet (12) through a pipeline.

5. The hybrid energy-saving drying machine according to claim 4, characterized in that, The end of the rear side cooling head (28) is provided with a first water outlet (39) and a first water inlet (45) in communication with the normal temperature water channel, the end tube side of the first water inlet (45) is provided with a second temperature measuring port (44), the inner cavity side of the two ends of the first cooling container cylinder (35) is fixedly installed with a second tube plate (37), the second heat exchange tube (34) is provided with a plurality of, a plurality of second heat exchange tubes (34) are supported by the second tube plate (37) and fixedly installed in the first cooling container cylinder (35) in a matrix shape, the inner cavity middle part of the first cooling container cylinder (35) is uniformly provided with a first baffle (33), the middle part of the first baffle (33) is provided with a first distance tube (32) and a first pull rod (40), the first water outlet (39) and the first water inlet (45) are in communication with the circulating end tube side of the second heat exchange tube (34), the lower part of the cylinder of the first cooling container cylinder (35) is provided with a first cooling sewage outlet (41) in communication, and the end tube side of the first cooling sewage outlet (41) is provided with a first cooling water outlet (42).

6. The hybrid energy-saving drying machine according to claim 5, characterized in that, The middle part of the secondary cooler (3) is provided with a second cooling container cylinder (54), the two ends of the second cooling container cylinder (54) are provided with cooling heads (28), the connecting part of the cooling head (28) is provided with a third stud (47) and a third nut (48), two groups of cooling heads (28) are fixedly connected and installed with two groups of third container flanges (61) provided at the end part of the second cooling container cylinder (54) through the cooperation of the third stud (47) and the third nut (48), and the front and rear sides of the second cooling container cylinder (54) are respectively provided with a fifth gas outlet (49) and a fifth gas inlet (60). The fifth gas inlet (60) is installed in communication with the fourth gas outlet (36) through a pipeline.

7. The hybrid energy-saving drying machine according to claim 6, characterized in that, The end of the front side cooling head (28) is provided with a second water outlet (46) and a second water inlet (56) in communication with the cold water channel, the end tube side of the second water outlet (46) is provided with a third temperature measuring port (57), the inner cavity side of the two ends of the first cooling container cylinder (35) is fixedly installed with a third tube plate (55), the third heat exchange tube (52) is provided with a plurality of, a plurality of third heat exchange tubes (52) are supported by the third tube plate (55) and fixedly installed in the second cooling container cylinder (54) in a matrix shape, the inner cavity middle part of the second cooling container cylinder (54) is uniformly provided with a second baffle (51), the middle part of the second baffle (51) is provided with a second distance tube (50) and a second pull rod (53), the second water outlet (46) and the second water inlet (56) are in communication with the circulating end tube side of the third heat exchange tube (52), the lower part of the cylinder of the second cooling container cylinder (54) is provided with a second cooling sewage outlet (58) in communication, and the end tube side of the second cooling sewage outlet (58) is provided with a second cooling water outlet (59).

8. The hybrid energy-saving drying machine according to claim 7, characterized in that, The middle part of the filter (2) is provided with a filter container cylinder (21), both ends of the filter container cylinder (21) are provided with filter end covers (17), the connecting part of the filter end covers (17) is provided with a first nut (18) and a first stud (25), two groups of filter end covers (17) are respectively fixedly connected with two groups of first container flanges (19) arranged at the end part of the filter container cylinder (21) through the cooperation of the first nut (18) and the first stud (25), the front and rear cylinder edge parts of the filter container cylinder (21) are respectively provided with a third air inlet (20) and a third air outlet (26), the third air inlet (20) is communicated and installed with a fifth air outlet (49) through a pipeline, the third air outlet (26) is communicated and installed with a second air inlet (15) through a pipeline, the inside of the filter container cylinder (21) is provided with a filter core (22) and a core plate (27), the upper part of the upper filter end cover (17) is fixedly installed with an ear (16), the bottom of the lower filter end cover (17) is provided with a filter blowdown outlet (24), the end pipe edge part of the filter blowdown outlet (24) is provided with a filter drain outlet (23).

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