CN113842653A

CN113842653A - Circulation vacuum decompression double-effect concentrator

Info

Publication number: CN113842653A
Application number: CN202111206238.6A
Authority: CN
Inventors: 黄河; 于峰; 赵宁; 赵云峰; 徐磊; 付涛; 徐志庆; 马奎; 鲁伟; 宋乔丹
Original assignee: Anhui Hishen Shouchun Pharmaceutical Co ltd
Current assignee: Anhui Hishen Shouchun Pharmaceutical Co ltd
Priority date: 2021-10-16
Filing date: 2021-10-16
Publication date: 2021-12-28
Anticipated expiration: 2041-10-16
Also published as: CN113842653B

Abstract

The invention relates to a circulating vacuum pressure-reducing double-effect concentrator, which comprises a concentrating tank, a first condenser, a gas-liquid separator, a second condenser, a cooler, a liquid receiving barrel, a high-temperature steam rack, a filter rack, a drain pipe and a collecting pipe, wherein the collecting pipe comprises an n-shaped pipe, a branch pipe, a moving ring, a magnetic suction plate, an electric telescopic rod, a magnet ring, a baffle ring, a water spraying pipe and rotary cleaning balls.

Description

Circulation vacuum decompression double-effect concentrator

Technical Field

The invention relates to the technical field of double-effect concentrators, in particular to a circulating vacuum decompression double-effect concentrator.

Background

The double-effect concentrator is suitable for low-temperature vacuum concentration of heat-sensitive materials such as traditional Chinese medicines, western medicines, glucose, wine brewing, starch, oral liquid, chemical industry, food, monosodium glutamate and dairy products, the double-effect concentrator adopts double-effect simultaneous evaporation, secondary steam is fully utilized, the investment of a boiler is saved, energy consumption is saved, the energy consumption is reduced by 50% compared with that of a single-effect concentrator, the double-effect concentrator adopts an external heating natural circulation and vacuum negative pressure mode, the evaporation speed is high, the concentration ratio is large, and liquid materials are concentrated in a full seal mode without foam.

Double-effect concentrator is after using, and the material in the stoste is very easily remained at the concentrator inner wall, consequently before carrying out next use, needs clear up the concentrator inner wall, and traditional cleaning methods only carries out simple processing to the concentrator inner wall of stoste processing department, can't guarantee that the concentrator inner wall is cleared up completely, and the material in the stoste very easily gets into the pipeline of UNICOM to influence the concentrated quality of stoste next time.

Disclosure of Invention

In order to solve the technical problem, the invention provides a circulating vacuum decompression double-effect concentrator.

The utility model provides a circulation vacuum decompression economic benefits and social benefits concentrator, includes concentrated jar, first condenser, vapour and liquid separator, second condenser, cooler, receives liquid bucket, high temperature steam frame, filter frame, drain pipe and collecting pipe, concentrated jar, first condenser, vapour and liquid separator, second condenser, cooler and receive and pass through the connecting pipe UNICOM between the liquid bucket, the figure of concentrated jar is two, constitutes loop connection between left concentrated jar and the first condenser, constitutes loop connection between the concentrated jar on right side and the second condenser, UNICOM between second condenser upside and the vapour and liquid separator upside, UNICOM between vapour and liquid separator right side and the cooler upside, terminal surface and the liquid bucket fixed connection under the cooler, cooler right side fixed mounting has the evacuation machine, left concentrated jar up end fixed mounting has high temperature steam frame, left concentrated jar, first condenser, The upper sides of the inner end surfaces of the concentration tank and the second condenser on the right side are respectively and fixedly provided with a filter frame, the first condenser, the second condenser and the cooler are respectively and fixedly provided with a drain pipe, and the tail ends of the drain pipes are connected through a collecting pipe; wherein:

the high-temperature steam rack comprises a first F-shaped pipe, a second F-shaped pipe, a heater, an L-shaped pipe and a Z-shaped pipe, the upper end face of the concentration tank on the left side is fixedly provided with the first F-shaped pipe, the tail end of the first F-shaped pipe is fixedly connected with the first condenser, the right end face of the first condenser is fixedly provided with the second F-shaped pipe, the left side of the second F-shaped pipe is fixedly provided with the heater, the two tail ends of the second F-shaped pipe are respectively and fixedly connected with the concentration tank on the right side and the second condenser, the right end of the second condenser is fixedly provided with the L-shaped pipe, the tail end of the L-shaped pipe is fixedly connected with the cooler, the right end face of the cooler is fixedly provided with the Z-shaped pipe, and the tail end of the Z-shaped pipe is fixedly connected with the liquid receiving barrel; firstly, high-temperature and high-pressure steam is introduced into a left concentrating tank and a first condenser through an F-shaped pipe I, the steam is introduced into an F-shaped pipe II through the first condenser and finally enters a right concentrating tank and a right second condenser, at the moment, stock solution is introduced into the left concentrating tank, the first condenser, the right concentrating tank and the right second condenser, the stock solution is heated through the steam to be boiled, water in the stock solution is evaporated, finally, after cooling, condensed water enters a collecting pipe through a drain pipe, the temperature of the steam entering the F-shaped pipe II is reduced due to the fact that the steam firstly heats the stock solution in the left concentrating tank and the first condenser, the steam needs to be heated through a heater to ensure that the temperature of the steam entering the F-shaped pipe II is the same as the temperature of the initially introduced steam, the steam is finally discharged through the second condenser and passes through an L-shaped pipe and a Z-shaped pipe, finally, the mixture enters a cooler and a liquid receiving barrel for treatment.

The collecting pipe comprises a Pi-shaped pipe, a branch pipe, a moving ring, a magnetic suction plate and an electric telescopic rod, the water spraying device comprises a magnet ring, a blocking ring, a water spraying pipe and a rotary cleaning ball, wherein the tail ends of drain pipes are connected through an n-shaped pipe, a left concentrating tank, a first condenser, a right concentrating tank and the lower side of a second condenser are fixedly provided with a branch pipe, the branch pipe is fixedly connected with the n-shaped pipe, the inner end surface of the branch pipe is connected with a movable ring in a sliding fit manner, the outer end surface of the lower part of the movable ring is fixedly provided with a magnetic suction plate, the magnetic suction plate is of an annular structure, the middle part of the branch pipe is fixedly provided with an electric telescopic rod, the upper end surface of the electric telescopic rod is fixedly provided with the magnet ring, the magnet ring is connected with the branch pipe in a sliding fit manner, the upper end surface of the branch pipe is fixedly provided with the blocking ring, the upper side of the movable ring is connected with the water spraying pipe in a sliding fit manner, and the outer end surface of the water spraying pipe is uniformly provided with the rotary cleaning ball along the circumferential direction; after the concentrate of stoste is accomplished and is taken out, drive the stone ring upward movement through electric telescopic rod, under the effect of magnetic force, board upward movement is inhaled to magnetism, contact with keeping off a position ring until shifting collar, the comdenstion water that gets into II venturi tube passes through the bleeder and gets into left concentrated jar respectively, first condenser, in concentrated jar and the second condenser on right side, under the effect of the pressure of comdenstion water, the comdenstion water passes through the blowout of rotatory clean ball, because rotatory clean ball rotates at the in-process of blowout comdenstion water, and the spray pipe is rotatable, consequently, the comdenstion water can with left concentrated jar, first condenser, the concentrated jar and the second condenser inner wall of right side contact completely, with guaranteeing left concentrated jar, first condenser, the concentrated jar on right side and second condenser inner wall are cleared up completely.

The first preferred technical scheme is as follows: the filter frame comprises supporting leak boards, filtering circular plates and a pressure cabin door, the supporting leak boards are fixedly arranged on the upper sides of the inner end surfaces of the concentrating tanks, the filtering circular plates are clamped in the middle of the supporting leak boards, a piece replacing groove is arranged on the front side of the concentrating tanks and on the front side of the filtering circular plates, and the front end surfaces of the piece replacing grooves are rotatably connected with the pressure cabin door; prevent through filtering the plectane that the stoste from splashing to the high temperature steam frame under the boiling state, filter the granule in the stoste that mix with in the vapor simultaneously, prevent to pollute the high temperature steam frame, simultaneously after the equipment usage is accomplished, need not to clear up the high temperature steam frame, when needs change filter the plectane, open the pressure hatch door, can change filter the plectane.

The preferred technical scheme is as follows: the outer end faces of the concentration tank, the first condenser, the gas-liquid separator, the second condenser, the cooler and the liquid receiving barrel are fixedly provided with heat insulation plates, the first condenser and the second condenser are both in a tube array type, and the cooler is in a coil tube type; prevent through the heated board that equipment from receiving external environment's influence.

The preferred technical scheme is three: the left concentrating tank is communicated with the right concentrating tank through a communicating pipe, and a material conveying pump is fixedly installed at the right end of the communicating pipe; and discharging the concentrated stock solution through a delivery pump and collecting the concentrated stock solution.

The preferable technical scheme is four: a booster pump is fixedly mounted at the joint of the rightmost branch pipe on the n-shaped pipe, an electric valve is fixedly mounted on the inner end face of the right side of the lower part of the n-shaped pipe, and a water pump is fixedly mounted on the left end face of the n-shaped pipe; improve the pressure of comdenstion water through the booster pump to the rotatory clean ball spun water of reinforcing pressure, whether the clean power of reinforcing it leads to water through electric valve control branch intraductal, accelerates the flow of comdenstion water through the water pump.

The preferred technical scheme is five: the upper end surface of the moving ring is fixedly provided with a sealing ring, the upper end surface of the moving ring is fixedly provided with a positioning ring, the positioning ring extends out of the sealing ring, the outer end surface of the moving ring is uniformly and fixedly provided with guide blocks along the circumferential direction of the moving ring, and the surface of each guide block is smooth; make the sealing washer and keep off the position through the sealing washer between closely contacting, prevent that the comdenstion water from leaking out between shifting ring and the fender position ring, lead to spacingly through the guide block to the shifting ring, prevent its rotation to influence the leakproofness between shifting ring and the fender position ring.

The preferred technical scheme is six: the upper end face of the gear ring is fixedly provided with a heat insulation ring plate, the lower end face of the gear ring is fixedly provided with annular rubber, the lower end face of the annular rubber is provided with an annular groove, and the annular groove is matched with the positioning ring; prevent through thermal-insulated crown plate that the temperature of steam from conducting to the annular rubber on keeping off the position ring, lead to annular rubber to be heated and warp, fix a position the holding ring through the annular groove.

The preferred technical scheme is seven: the upper end surface of the water spraying pipe is fixedly provided with a circular plate, the diameter of the circular plate is the same as the inner diameter of the stop ring, the upper end surface of the circular plate is fixedly provided with a pressure circular plate, the diameter of the pressure circular plate is larger than that of the circular plate, the middle part of the pressure circular plate is downwards sunken, and the pressure circular plate is made of heat insulation materials; the circular plate is matched and aligned with the inner diameter of the gear ring, and the pressure circular plate with the downward sunken middle part extrudes the upper end face of the gear ring by utilizing the pressure of the stock solution, so that the stock solution is prevented from entering a water spraying pipe between the circular plate and the gear ring.

The invention has the following beneficial effects: 1. according to the circulating vacuum decompression double-effect concentrator, the inner wall of the concentrator is cleaned through the collecting pipe, water sprayed by the rotary cleaning balls can be in complete contact with the inner wall of the concentrator to ensure that the inner wall of the concentrator is completely cleaned, water required for cleaning is generated by the concentrator to achieve recycling of the water, waste of the water is reduced, and substances in stock solution are prevented from entering communicated pipelines by the filter frame to pollute the pipelines.

2. According to the collecting pipe provided by the invention, the sealing ring is in close contact with the gear ring through the sealing ring, condensed water is prevented from leaking out from the position between the moving ring and the gear ring, the moving ring is guided and limited through the guide block, and is prevented from rotating, so that the sealing property between the moving ring and the gear ring is influenced.

3. According to the collecting pipe provided by the invention, the heat insulation ring plate is used for preventing the temperature of steam from being transmitted to the annular rubber on the gear ring, so that the annular rubber is heated and deformed, and the sealing property between the annular rubber and the moving ring is influenced.

4. According to the collecting pipe arranged in the invention, the circular plate is matched and aligned with the inner diameter of the gear ring, and the pressure circular plate with the downward sunken middle part extrudes the upper end surface of the gear ring by using the pressure of the stock solution, so that the stock solution is prevented from entering the spray pipe through the space between the circular plate and the gear ring, and further the spray pipe is prevented from being polluted.

Drawings

Fig. 1 is a schematic perspective view of a front view of the present invention.

Fig. 2 is an enlarged view of the present invention at N of fig. 1.

FIG. 3 is a schematic perspective view of the spray pipe of the present invention extending out of the branch pipe.

FIG. 4 is a schematic plan view (from front to back) of the sprinkler and branch pipe of the present invention.

Fig. 5 is a schematic plan view (from front to back) of the support nozzle plate and filter disks of the present invention.

Figure 6 is a schematic plan view (from front to back) of the electrically operated valve and Π -shaped tube of the invention.

In the figure: 1. a concentration tank; 11. a thermal insulation board; 12. a communicating pipe; 13. a delivery pump; 2. a first condenser; 3. a gas-liquid separator; 4. a second condenser; 5. a cooler; 6. a liquid receiving barrel; 7. a high temperature steam rack; 71. a first F-shaped pipe; 72. an F-shaped pipe II; 73. a heater; 74. an L-shaped tube; 75. a Z-shaped pipe; 8. a filter frame; 81. supporting the bushing plate; 82. filtering the circular plate; 83. a pressure port; 9. a drain pipe; 10. a collection pipe; 101. II, shaping a pipe; 1011. a booster pump; 1012. an electrically operated valve; 1013. a water pump; 102. a branch pipe; 103. a moving ring; 1031. a seal ring; 1032. a positioning ring; 1033. a guide block; 104. a magnetic attraction plate; 105. an electric telescopic rod; 106. a magnet ring; 107. a gear ring; 1071. a heat insulating ring plate; 1072. an annular rubber; 108. a water spray pipe; 1081. a circular plate; 1082. a pressure circular plate; 109. the cleaning ball is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, a circulating vacuum pressure-reducing double-effect concentrator comprises a concentration tank 1, a first condenser 2, a gas-liquid separator 3, a second condenser 4, a cooler 5, a liquid receiving barrel 6, a high-temperature steam frame 7, a filter frame 8, a drain pipe 9 and a collecting pipe 10, wherein the concentration tank 1, the first condenser 2, the gas-liquid separator 3, the second condenser 4, the cooler 5 and the liquid receiving barrel 6 are communicated through connecting pipes, the number of the concentration tanks 1 is two, the concentration tank 1 on the left side and the first condenser 2 form a loop connection, the concentration tank 1 on the right side and the second condenser 4 form a loop connection, the upper side of the second condenser 4 is communicated with the upper side of the gas-liquid separator 3, the right side of the gas-liquid separator 3 is communicated with the upper side of the cooler 5, the lower end face of the cooler 5 is fixedly connected with the liquid receiving barrel 6, a vacuum extractor 51 is fixedly installed on the right side of the cooler 5, the upper end face of the left concentrating tank 1 is fixedly provided with a high-temperature steam rack 7, the upper sides of the inner end faces of the left concentrating tank 1, the first condenser 2, the right concentrating tank 1 and the second condenser 4 are respectively and fixedly provided with a filter rack 8, the first condenser 2, the second condenser 4 and the cooler 5 are respectively and fixedly provided with a drain pipe 9, and the tail ends of the drain pipes 9 are connected through a collecting pipe 10; wherein:

continuing to refer to fig. 1, the high-temperature steam rack 7 comprises a first F-shaped pipe 71, a second F-shaped pipe 72, a heater 73, an L-shaped pipe 74 and a Z-shaped pipe 75, the first F-shaped pipe 71 is fixedly installed on the upper end face of the left concentration tank 1, the tail end of the first F-shaped pipe 71 is fixedly connected with the first condenser 2, the second F-shaped pipe 72 is fixedly installed on the right end face of the first condenser 2, the heater 73 is fixedly installed on the left side of the second F-shaped pipe 72, two tail ends of the second F-shaped pipe 72 are respectively fixedly connected with the right concentration tank 1 and the second condenser 4, the L-shaped pipe 74 is fixedly installed on the right end of the second condenser 4, the tail end of the L-shaped pipe 74 is fixedly connected with the cooler 5, the Z-shaped pipe 75 is fixedly installed on the right end face of the cooler 5, and the tail end of the Z-shaped pipe 75 is fixedly connected with the liquid receiving barrel 6; firstly, high-temperature and high-pressure steam is introduced into the left concentrating tank 1 and the first condenser 2 through the F-shaped pipe I71, the steam is introduced into the F-shaped pipe II 72 through the first condenser 2 and finally enters the right concentrating tank 1 and the second condenser 4, at the moment, the stock solution is introduced into the left concentrating tank 1, the first condenser 2, the right concentrating tank 1 and the second condenser 4, the stock solution is heated through the steam to be boiled, water in the stock solution is evaporated, finally, after cooling, condensed water enters the collecting pipe 10 through the drain pipe 9, as the stock solution in the left concentrating tank 1 and the first condenser 2 is heated through the steam, the temperature of the steam entering the F-shaped pipe II 72 is reduced, the steam needs to be heated through the heater 73 to ensure that the temperature of the steam entering the F-shaped pipe II 72 is the same as the temperature of the initially introduced steam, and the steam is finally discharged through the second condenser 4, passes through the L-shaped pipe 74 and the Z-shaped pipe 75 and finally enters the cooler 5 and the liquid receiving barrel 6 for treatment.

Referring to fig. 1, 2, 3 and 4, the collecting pipe 10 includes a n-shaped pipe 101, a branch pipe 102, a moving ring 103, a magnetic attraction plate 104, an electric telescopic rod 105, a magnet ring 106, a gear ring 107, a water spraying pipe 108 and a rotary cleaning ball 109, the ends of the water discharging pipe 9 are connected through the n-shaped pipe 101, the lower sides of the left concentrating tank 1, the first condenser 2, the right concentrating tank 1 and the second condenser 4 are fixedly provided with the branch pipe 102, the branch pipe 102 is fixedly connected with the n-shaped pipe 101, the inner end surface of the branch pipe 102 is connected with the moving ring 103 in a sliding fit manner, the outer end surface of the lower portion of the moving ring 103 is fixedly provided with the magnetic attraction plate 104, the magnetic attraction plate 104 is in a ring-shaped structure, the middle portion of the branch pipe 102 is fixedly provided with the electric telescopic rod 105, the upper end surface of the electric telescopic rod 105 is fixedly provided with the magnet ring 106, and the magnet ring 106 is connected with the branch pipe 102 in a sliding fit manner, a stop ring 107 is fixedly arranged on the upper end surface of the branch pipe 102, a water spray pipe 108 is connected to the upper side of the movable ring 103 in a sliding fit manner, and rotary cleaning balls 109 are uniformly arranged on the outer end surface of the water spray pipe 108 along the circumferential direction; after the concentrate of stoste is accomplished and is taken out, drive the stone ring 106 upward movement through electric telescopic handle 105, under the effect of magnetic force, board 104 upward movement is inhaled to magnetism, until shift ring 103 and fender position ring 107 contact, the comdenstion water that gets into II shape pipe 101 gets into left concentrated jar 1 respectively through bleeder 102, first condenser 2, in concentrated jar 1 on right side and the second condenser 4, under the effect of the pressure of comdenstion water, the comdenstion water is through rotatory clean ball 109 blowout, because rotatory clean ball 109 rotates at the in-process of blowout comdenstion water, and the spray pipe 108 is rotatable, consequently guaranteed the comdenstion water can with left concentrated jar 1, first condenser 2, concentrated jar 1 on right side and the complete contact of second condenser 4 inner wall, with guarantee left concentrated jar 1, first condenser 2, concentrated jar 1 on right side and second condenser 4 inner wall are cleared up completely.

Referring to fig. 1 and 5, the filter frame 8 includes a supporting leakage plate 81, a filtering circular plate 82 and a pressure port 83, the supporting leakage plate 81 is fixedly installed on the upper side of the inner end surface of the concentration tank 1, the filtering circular plate 82 is clamped in the middle of the supporting leakage plate 81, a piece changing groove is formed in the front side of the concentration tank 1 and in front of the filtering circular plate 82, and the pressure port 83 is rotatably connected to the front end surface of the piece changing groove; prevent through filtering plectane 82 that the stoste from splashing to in the high temperature steam frame 7 under the boiling state, filter the granule in the stoste that mix with in the vapor simultaneously, prevent to pollute high temperature steam frame 7, simultaneously after the equipment use is accomplished, need not to clear up high temperature steam frame 7, when needs change filter plectane 82, open pressure hatch door 83, can change filter plectane 82.

Referring to fig. 1 and 2, the outer end faces of the concentration tank 1, the first condenser 2, the gas-liquid separator 3, the second condenser 4, the cooler 5 and the liquid receiving barrel 6 are all fixedly provided with heat insulation boards 11, the first condenser 2 and the second condenser 4 are both in a tube type, and the cooler 5 is in a coil type; the equipment is prevented from being affected by the external environment through the insulation board 11.

Referring to fig. 1, the left concentrating tank 1 is communicated with the right concentrating tank 1 through a communicating pipe 12, and a feed delivery pump 13 is fixedly installed at the right end of the communicating pipe 12; the concentrated stock solution is discharged by a delivery pump 13 and collected.

Referring to fig. 1 and 6, a booster pump 1011 is fixedly installed at a joint of the rightmost branch pipe 102 on the Π -shaped pipe 101, an electric valve 1012 is fixedly installed on the right inner end surface of the lower portion of Π -shaped pipe 101, and a water pump 1013 is fixedly installed on the left end surface of Π -shaped pipe 101; the pressure of the condensed water is increased by the pressurizing pump 1011, so that the pressure of the water sprayed from the rotary cleaning ball 109 is increased, the cleaning power thereof is increased, whether water is introduced into the branch pipe 102 is controlled by the electric valve 1012, and the flow of the condensed water is accelerated by the water pump 1013.

Referring to fig. 1 and 4, a sealing ring 1031 is fixedly mounted on the upper end surface of the moving ring 103, a positioning ring 1032 is fixedly mounted on the upper end surface of the moving ring 103, the positioning ring 1032 extends out of the sealing ring 1031, guide blocks 1033 are uniformly and fixedly mounted on the outer end surface of the moving ring 103 along the circumferential direction thereof, and the surface of the guide blocks 1033 is smooth; the seal ring 1031 makes the seal ring 1031 and the gear ring 107 closely contact with each other, so that condensed water is prevented from leaking out from between the shift ring 103 and the gear ring 107, the shift ring 103 is guided and limited by the guide block 1033 to be prevented from rotating, and the sealing performance between the shift ring 103 and the gear ring 107 is affected.

Referring to fig. 1 and 4, a heat insulation ring plate 1071 is fixedly installed on the upper end surface of the retainer ring 107, an annular rubber 1072 is fixedly installed on the lower end surface of the retainer ring 107, an annular groove is formed in the lower end surface of the annular rubber 1072, and the annular groove is matched with a positioning ring 1032; the heat insulating ring plate 1071 prevents the temperature of the steam from being conducted to the annular rubber 1072 on the retainer ring 107, causing the annular rubber 1072 to be thermally deformed, positioning the retaining ring 1032 by the annular groove.

Referring to fig. 1, 2 and 4, a circular plate 1081 is fixedly mounted on the upper end surface of the water spraying pipe 108, the diameter of the circular plate 1081 is the same as the inner diameter of the shift ring 107, a pressure circular plate 1082 is fixedly mounted on the upper end surface of the circular plate 1081, the diameter of the pressure circular plate 1082 is larger than that of the circular plate 1081, the middle portion of the pressure circular plate 1082 is recessed downwards, and the pressure circular plate 1082 is made of a heat insulation material; by matching and aligning the circular plate 1081 with the inner diameter of the gear ring 107, the pressure round plate 1082 depressed downwards at the middle part by the pressure of the stock solution presses the upper end surface of the gear ring 107, so that the stock solution is prevented from entering the water spray pipe 108 through the space between the circular plate 1081 and the gear ring 107.

During specific work, firstly, high-temperature and high-pressure steam is introduced into the left concentrating tank 1 and the first condenser 2 through the first F-shaped pipe 71, the steam is introduced into the second F-shaped pipe 72 through the first condenser 2 and finally enters the right concentrating tank 1 and the second condenser 4, at the moment, the stock solution is introduced into the left concentrating tank 1, the first condenser 2, the right concentrating tank 1 and the second condenser 4, the stock solution is heated through the steam to be boiled, and water in the stock solution is evaporated.

After the condensate water is finally cooled, the condensate water enters the collecting pipe 10 through the drain pipe 9, the stock solution in the left concentrating tank 1 and the first condenser 2 is firstly heated by the steam, so that the temperature of the steam entering the second F-shaped pipe 72 is reduced, the steam needs to be heated by the heater 73 to ensure that the temperature of the steam entering the second F-shaped pipe 72 is the same as the temperature of the initially introduced steam, the steam is finally discharged through the second condenser 4, passes through the L-shaped pipe 74 and the Z-shaped pipe 75, finally enters the cooler 5 and the liquid receiving barrel 6 for treatment, and meanwhile, the moisture in the stock solution in the concentrating tank 1 is reduced.

After the concentrate of stoste is accomplished and is taken out, drive the stone ring 106 upward movement through electric telescopic handle 105, under the effect of magnetic force, board 104 upward movement is inhaled to magnetism, until shift ring 103 and fender position ring 107 contact, the comdenstion water that gets into II shape pipe 101 gets into left concentrated jar 1 respectively through bleeder 102, first condenser 2, in concentrated jar 1 on right side and the second condenser 4, under the effect of the pressure of comdenstion water, the comdenstion water is through rotatory clean ball 109 blowout, because rotatory clean ball 109 rotates at the in-process of blowout comdenstion water, and the spray pipe 108 is rotatable, consequently guaranteed the comdenstion water can with left concentrated jar 1, first condenser 2, concentrated jar 1 on right side and the complete contact of second condenser 4 inner wall, with guarantee left concentrated jar 1, first condenser 2, concentrated jar 1 on right side and second condenser 4 inner wall are cleared up completely.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a circulation vacuum decompression double effect concentrator, includes concentrated jar (1), first condenser (2), vapour and liquid separator (3), second condenser (4), cooler (5), receives liquid bucket (6), high temperature steam frame (7), filter frame (8), drain pipe (9) and collecting pipe (10), its characterized in that: concentrate jar (1), first condenser (2), vapour and liquid separator (3), second condenser (4), cooler (5) and receive through the connecting pipe UNICOM between liquid bucket (6), the figure of concentrating jar (1) is two, constitute the return circuit between left concentrating jar (1) and first condenser (2) and be connected, constitute the return circuit between concentrated jar (1) on right side and second condenser (4) and be connected, UNICOM between second condenser (4) upside and vapour and liquid separator (3) upside, UNICOM between vapour and liquid separator (3) right side and cooler (5) upside, terminal surface and receive liquid bucket (6) fixed connection under cooler (5), cooler (5) right side fixed mounting has pump (51), left concentrating jar (1) up end fixed mounting has high temperature steam frame (7), left concentrating jar (1), first condenser (2), The upper sides of the inner end surfaces of the right concentration tank (1) and the second condenser (4) are respectively and fixedly provided with a filter frame (8), the first condenser (2), the second condenser (4) and the cooler (5) are respectively and fixedly provided with a drain pipe (9), and the tail ends of the drain pipes (9) are connected through a collecting pipe (10); wherein:

the high-temperature steam rack (7) comprises a first F-shaped pipe (71), a second F-shaped pipe (72), a heater (73), an L-shaped pipe (74) and a Z-shaped pipe (75), the upper end face of the left concentration tank (1) is fixedly provided with a first F-shaped pipe (71), the tail end of the first F-shaped pipe (71) is fixedly connected with the first condenser (2), the right end face of the first condenser (2) is fixedly provided with a second F-shaped pipe (72), the left side of the second F-shaped pipe (72) is fixedly provided with a heater (73), two tail ends of the second F-shaped pipe (72) are respectively fixedly connected with the right concentration tank (1) and the second condenser (4), the right end of the second condenser (4) is fixedly provided with an L-shaped pipe (74), the tail end of the L-shaped pipe (74) is fixedly connected with the cooler (5), the right end face of the cooler (5) is fixedly provided with a Z-shaped pipe (75), and the tail end of the Z-shaped pipe (75) is fixedly connected with the liquid receiving barrel (6);

the collecting pipe (10) comprises an n-shaped pipe (101), a branch pipe (102), a moving ring (103), a magnetic suction plate (104), an electric telescopic rod (105), a magnet ring (106), a gear ring (107), a water spraying pipe (108) and a rotary cleaning ball (109), the tail ends of the drain pipes (9) are connected through the n-shaped pipe (101), the branch pipe (102) is fixedly installed on the lower sides of a left concentrating tank (1), a first condenser (2), a right concentrating tank (1) and a second condenser (4), the branch pipe (102) is fixedly connected with the n-shaped pipe (101), the inner end face of the branch pipe (102) is connected with the moving ring (103) in a sliding fit mode, the magnetic suction plate (104) is fixedly installed on the outer end face of the lower portion of the moving ring (103), the magnetic suction plate (104) is of an annular structure, the electric telescopic rod (105) is fixedly installed in the middle of the branch pipe (102), the magnetic stone ring (106) is fixedly installed on the upper end face of the electric telescopic rod (105), the magnet ring (106) is connected with the branch pipe (102) in a sliding fit mode, a stop ring (107) is fixedly mounted on the upper end face of the branch pipe (102), a water spraying pipe (108) is connected to the upper side of the moving ring (103) in a sliding fit mode, and rotary cleaning balls (109) are uniformly arranged on the outer end face of the water spraying pipe (108) along the circumferential direction of the water spraying pipe.

2. The double-effect vacuum-concentrator of claim 1, wherein: the filter frame (8) comprises a supporting leakage plate (81), a filtering circular plate (82) and a pressure cabin door (83), the upper side of the inner end face of the concentration tank (1) is fixedly provided with the supporting leakage plate (81), the filtering circular plate (82) is clamped in the middle of the supporting leakage plate (81), the front side of the concentration tank (1) is provided with a piece changing groove, the front end face of the piece changing groove is rotatably connected with the pressure cabin door (83), and the front end face of the piece changing groove is positioned in the front side of the filtering circular plate (82).

3. The double-effect vacuum-concentrator of claim 1, wherein: and the outer end faces of the concentration tank (1), the first condenser (2), the gas-liquid separator (3), the second condenser (4), the cooler (5) and the liquid receiving barrel (6) are fixedly provided with heat insulation plates (11).

4. The double-effect vacuum-concentrator of claim 1, wherein: the left side is concentrated jar (1) and is passed through closed tube (12) UNICOM between the concentrated jar (1) on right side, and closed tube (12) right-hand member fixed mounting has defeated material pump (13).

5. The double-effect vacuum-concentrator of claim 1, wherein: II venturi tube (101) are gone up and lie in bleeder pipe (102) junction fixed mounting on rightmost side has booster pump (1011), II venturi tube (101) lower part right side inner end face fixed mounting has electric valve (1012), II venturi tube (101) left end face fixed mounting has water pump (1013).

6. The double-effect vacuum-concentrator of claim 1, wherein: the upper end face of the moving ring (103) is fixedly provided with a sealing ring (1031), the upper end face of the moving ring (103) is fixedly provided with a positioning ring (1032), the positioning ring (1032) stretches out of the sealing ring (1031), the outer end face of the moving ring (103) is uniformly and fixedly provided with a guide block (1033) along the circumferential direction of the outer end face, and the surface of the guide block (1033) is smooth.

7. The double-effect vacuum-concentrator of claim 1, wherein: keep off position ring (107) up end fixed mounting have thermal-insulated crown plate (1071), keep off position ring (107) lower end fixed mounting have annular rubber (1072), and annular groove has been seted up to annular rubber (1072) lower terminal surface, and the annular groove cooperatees with holding ring (1032).

8. The double-effect vacuum-concentrator of claim 1, wherein: the water spray pipe is characterized in that a circular plate (1081) is fixedly mounted on the upper end face of the water spray pipe (108), the diameter of the circular plate (1081) is the same as the inner diameter of the baffle ring (107), a pressure circular plate (1082) is fixedly mounted on the upper end face of the circular plate (1081), the diameter of the pressure circular plate (1082) is larger than that of the circular plate (1081), the middle of the pressure circular plate (1082) is recessed downwards, and the pressure circular plate (1082) is made of heat insulation materials.