CN219964070U - Device for removing macromolecular impurities in ergothioneine production process - Google Patents

Abstract

The utility model relates to a device for removing macromolecular impurities in the production process of ergothioneine, which relates to the field of microorganism filtration technology, and comprises a filter box, a first filter mechanism and a second filter assembly, wherein the filter box is a hollow box body, a feed pipe is fixed at the top of the filter box, the feed pipe is communicated with the filter box, and a discharge port is formed at the bottom of the filter box; the first filtering mechanism comprises a first filtering piece and a cleaning component, the cleaning component is positioned on one side of the first filtering piece, which is close to the top wall of the filtering box, the cleaning component comprises a moving plate, a flexible piece and a driving piece, the moving plate is arranged on the filtering box in a sliding manner, the flexible piece is fixed on one side of the moving plate, which is close to the first filtering piece, the flexible piece can be in contact with the first filtering piece, the driving piece is in transmission connection with the moving plate to drive the moving plate to slide, the second filtering component is horizontally arranged in the filtering box, and the second filtering component is arranged below the first filtering piece.

Description

Device for removing macromolecular impurities in ergothioneine production process

Technical Field

The utility model relates to the field of microbial filtration technology, in particular to a device for removing macromolecular impurities in the process of producing ergothioneine.

Background

The ergothioneine has antioxidant function which is not comparable to other biological molecules, can be used as a cell protective agent, resists active oxygen free radicals generated in cells, plays the roles of resisting canceration and aging, has good water solubility and has good development prospect.

In the related art, the application document with the application number of 201821643472.9 discloses a device for removing macromolecular impurities in the production process of ergothioneine, which comprises a microfiltration membrane system and an ultrafiltration membrane system; the microfiltration membrane system comprises a microfiltration circulating charging bucket, a cartridge filter, a material conveying pump, a circulating pump, a ceramic membrane component and a heat exchanger; the ultrafiltration membrane system comprises an ultrafiltration circulation tank, a second circulation pump and an ultrafiltration membrane component, a certain amount of feed liquid is added into the microfiltration circulation tank, after being pressurized by the circulation pump, the feed liquid sequentially passes through the ceramic membrane component and the heat exchanger, the feed liquid passes through the ceramic membrane component in a cross flow manner, then, the feed heat penetrating through the ceramic membrane enters the ultrafiltration circulation tank, and finally, the feed liquid is discharged through the ultrafiltration membrane component.

Aiming at the related technology, when the ergothioneine is required to be treated, the feed liquid is added into the micro-filtration circulating tank, after being pressurized by the circulating pump, the feed liquid can be partially filtered through the ceramic membrane component, the feed liquid after passing through the ceramic membrane component enters the ultrafiltration circulating tank, and then the feed liquid is filtered again through the ultrafiltration membrane, but the ceramic membrane is not easy to clean along with the increase of the use times.

Disclosure of Invention

In order to solve the problem that the ceramic membrane is not easy to clean, the utility model provides a device for removing macromolecular impurities in the production process of ergothioneine.

The device for removing macromolecular impurities in the production process of ergothioneine provided by the utility model adopts the following technical scheme:

the device for removing macromolecular impurities in the production process of ergothioneine comprises a filter box, a first filter mechanism and a second filter assembly, wherein the filter box is a hollow box body, the filter box is vertically arranged, a feed pipe is fixed at the top of the filter box and is communicated with the filter box, and a discharge port is formed in the bottom of the filter box;

the first filtering mechanism comprises a first filtering piece and a cleaning component, the first filtering piece is obliquely fixed in the filtering box, the cleaning component is located on one side, close to the top wall of the filtering box, of the first filtering piece, the cleaning component comprises a moving plate, a flexible piece and a driving piece, the moving plate is slidably arranged on the filtering box, the sliding direction of the moving plate is consistent with the oblique direction of the first filtering piece, the flexible piece is fixed on one side, close to the first filtering piece, of the moving plate, the flexible piece can be in contact with the first filtering piece, the driving piece is fixed in the filtering box, the driving piece is in transmission connection with the moving plate to drive the moving plate to slide, the second filtering component is horizontally arranged in the filtering box, the second filtering component is arranged below the first filtering piece, the second filtering component comprises a second filtering piece, and the second filtering piece is arranged in the filtering box.

Through adopting above-mentioned technical scheme, when needs get rid of the macromolecule in the ergothioneine, at first, fix the rose box, feed liquid is poured into the rose box through the inlet pipe again, afterwards, feed liquid whereabouts to first filter, can be with containing macromolecular substance and feed liquid separation in the feed liquid through first filter, afterwards, feed liquid through first filter can fall to the second filter, can filter the feed liquid again through on the second filter, finally, feed liquid through the second filter is discharged through the bin outlet, when needs to clear up first filter, start the driving piece, the driving piece can drive the movable plate motion, make the movable plate slide along the incline direction of first filter, in the in-process of movable plate motion, the flexible piece can be along with movable plate simultaneous movement, in-process of flexible piece motion can clear up first filter surface, compared with prior art, when the utility model need clear up first filter, start the driving piece, the driving piece drives the movable plate motion, in the flexible piece is in the first filter of movable plate motion, the first filter of flexible piece is cleared up, the first filter clearance problem is unfavorable for improving.

Optionally, the driving piece includes screw rod, motor and guide bar, the screw rod slope is located the rose box, the incline direction of screw rod with the incline direction of first filter piece is unanimous, the screw rod both ends all rotate connect in the rose box lateral wall, the output shaft of motor with screw rod one end passes through shaft coupling fixed connection, the motor drive the screw rod rotates, the guide bar is located the rose box, the setting direction of guide bar with the setting direction of screw rod is unanimous, the guide bar both ends all are fixed in the rose box, movable plate one end threaded connection in the screw rod, the other end sliding connection in the guide bar, the movable plate can be followed the length direction of guide bar slides.

Through adopting above-mentioned technical scheme, when needs clear up first filter, starter motor, motor drive screw rotates, at screw rod pivoted in-process, the movable plate can be on the screw rod along the length direction motion of guide bar to make the flexible piece clear up first filter, through setting up the motor, be favorable to realizing the automation of clearance operation.

Optionally, the device further comprises a heating box and a spraying assembly, wherein the heating box is a hollow box body, the filtering box is fixed inside the heating box, a feeding hole is formed in the heating box close to the feeding pipe, a discharging hole is formed in the heating box close to the discharging hole, the discharging hole is communicated with the discharging hole, and the feeding pipe is communicated with the feeding hole;

the spray assembly comprises a water tank, a plurality of branch pipes, a main pipe and a plurality of high-pressure spray heads, wherein the water tank is fixed on the heating box, the branch pipes are positioned on the inner side of the top wall of the filtering box, the branch pipes are arranged in parallel, one end of the main pipe is communicated with the water tank, the other end of the main pipe is sequentially penetrated in the heating box and the filtering box and then communicated with the branch pipes, the high-pressure spray heads are uniformly distributed on the branch pipes, and the spray nozzles of the high-pressure spray heads face to the first filtering piece.

Through adopting above-mentioned technical scheme, when needs clear up first filter, water in the water tank can flow to the branch pipe through the house steward, afterwards, the water in the branch pipe flows to high-pressure nozzle, and water can spray to first filter through high-pressure nozzle on, carries out high-pressure washing to first filter, through setting up spray assembly, is convenient for clear up first filter.

Optionally, a plurality of heating plates are fixed in the heating box, and the heating plates can heat the filtering box.

Through adopting above-mentioned technical scheme, after the high-pressure nozzle sprays first filter, need dry in the rose box, open the hot plate, the hot plate can be to the rose box heating, makes the rose box inside become dry, through setting up the hot plate, the rose box inside of being convenient for is dry.

Optionally, the second filter element is detachably connected to the filter box.

Through adopting above-mentioned technical scheme, when needs change the second filter, with second filter with the rose box separation can, with the second filter of changing fixed with the rose box, can dismantle with the rose box through the second filter and be connected, be convenient for change the second filter.

Optionally, the drain has been seted up in the rose box in first filter spare department, the rose box in drain department is fixed to be equipped with the blow off pipe, the blow off pipe slope sets up, the incline direction of blow off pipe with the incline direction of first filter spare is unanimous, the higher one end of blow off pipe with the drain intercommunication, lower one end wears to locate the heater box, the blow off pipe is being close to rose box one end is fixed with the second valve.

Through adopting above-mentioned technical scheme, when high-pressure shower nozzle carries out high pressure to first filter, water can fall on the first filter, and at this moment, water can wash first filter, and water after the washing partly flows to the second filter through first filter, and another part rivers are to the drain, and then, open the second valve, water can flow along the drain through the drain, through setting up the drain, the water discharge after the washing of being convenient for.

Optionally, the heating box is fixed with first valve in discharge gate department.

Through adopting above-mentioned technical scheme, after the feed liquid pours into the rose box into, the feed liquid is through first filter and second filter in proper order, filters the feed liquid through first filter and second filter, and then, the feed liquid after the filtration flows to the discharge gate, when needs discharge the feed liquid, only need open first valve, and the feed liquid is discharged through the discharge gate, through setting up first valve, is favorable to controlling the discharge of feed liquid.

Optionally, the change mouth has been seted up to the rose box lateral wall, change mouthful be close to the second filter, the rose box in change mouthful department is fixed with the change board, the change board be used for with change mouthful open or close, the mounting hole has been seted up to the heating cabinet in the lateral wall, the mounting hole is close to change mouthful, the heating cabinet is fixed with the fixed plate in the mounting hole, the fixed plate is used for with the mounting hole is opened or is closed.

Through adopting above-mentioned technical scheme, when needing to change the second filter, at first, open fixed plate and change the board in proper order, later, personnel take out the second filter from the rose box in, and then, it is fixed with the rose box with the second filter after changing, later, close in proper order and change board and fixed plate, through setting up change board and fixed plate, be favorable to changing the second filter.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. compared with the prior art, when the first filter element is required to be cleaned, the driving element is started to drive the moving plate to move, and the flexible element cleans the first filter element in the moving process of the moving plate, so that the problem that the first filter element is difficult to clean is solved;

2. by arranging the motor, the cleaning operation can be automated;

3. the second filter piece is detachably connected with the filter box, so that the second filter piece is convenient to replace.

Drawings

Fig. 1 is a schematic view of the overall structure of the first view angle in the present embodiment;

fig. 2 is a cross-sectional view of the heating chamber in the present embodiment from a first perspective;

FIG. 3 is a schematic view of the first filtering mechanism in the present embodiment;

FIG. 4 is a schematic view of the whole structure of the second view angle in the present embodiment;

fig. 5 is a sectional view of the heating chamber in the present embodiment from a second perspective.

Reference numerals illustrate: 1. a heating box; 11. a feed inlet; 12. a heating plate; 13. a discharge port; 14. a first valve; 15. a support rod; 151. a connecting plate; 16. a mounting port; 17. a fixing plate; 2. a filter box; 21. a fixed rod; 22. a feed pipe; 23. a discharge port; 24. a sewage outlet; 25. a blow-down pipe; 251. a second valve; 26. a chute; 27. a replacement port; 28. replacing the plate; 3. a first filtering mechanism; 31. a first filter; 32. cleaning the assembly; 321. a driving member; 3211. a screw; 3212. a guide plate; 3213. a motor; 3214. a guide rod; 322. a moving plate; 323. a flexible member; 4. a spray assembly; 41. a water tank; 42. a branch pipe; 43. a header pipe; 431. a water pump; 44. a high pressure nozzle; 5. a second filter assembly; 51. a mounting plate; 511. a caulking groove; 52. and a second filter.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

The embodiment of the utility model discloses a device for removing macromolecular impurities in the process of producing ergothioneine. Referring to fig. 1 and 2, a device for removing macromolecular impurities in the process of producing ergothioneine comprises a heating box 1, a filtering box 2, a first filtering mechanism 3, a spraying assembly 4 and a second filtering assembly 5, wherein the filtering box 2 is arranged in the heating box 1, the first filtering mechanism 3 and the second filtering assembly 5 are arranged in the filtering box 2, and the spraying assembly 4 is arranged on the filtering box 2.

Referring to fig. 1 and 2, the vertical setting of heating cabinet 1, heating cabinet 1 is the cavity box, feed inlet 11 has been seted up at heating cabinet 1 top, the inside a plurality of hot plates 12 that are equipped with of heating cabinet 1, a plurality of hot plates 12 vertical setting, the hot plate 12 welds in heating cabinet 1 inner wall, in this embodiment, the hot plate 12 distributes along the circumference of heating cabinet 1, the hot plate 12 can heat rose box 2, heating cabinet 1 bottom is the throat setting, and discharge gate 13 has been seted up to heating cabinet 1 bottom, heating cabinet 1 is in 13 department fixedly connected with first valve 14 of discharge gate, heating cabinet 1 bottom is equipped with four bracing pieces 15, bracing piece 15 vertical setting, four bracing pieces 15 distribute along the circumference of heating cabinet 1, bracing piece 15 one end welding is in heating cabinet 1.

Referring to fig. 2, the filter tank 2 is located inside the heating tank 1, the filter tank 2 is a hollow tank body, the setting direction of the filter tank 2 is consistent with the placement direction of the heating tank 1, the outer wall of the filter tank 2 is provided with a plurality of fixing rods 21, one ends of the fixing rods 21 are welded to the filter tank 2, the other ends of the fixing rods are welded to the heating tank 1, the top wall of the filter tank 2 is vertically provided with a feeding pipe 22, one end of the feeding pipe 22 is communicated with the filter tank 2, the other ends of the feeding pipe 22 are communicated with the feeding hole 11, a discharge hole 23 is formed in the bottom wall of the filter tank 2, and the discharge hole 23 is communicated with the discharge hole 13 of the heating tank 1.

Referring to fig. 2 and 3, the first filter mechanism 3 includes a first filter 31 and a cleaning component 32, the first filter 31 is obliquely disposed in the filter box 2, the first filter 31 is fixedly connected to the filter box 2 through a screw, in this embodiment, the first filter 31 is preferably a ceramic film, the filter box 2 is provided with a drain outlet 24 at the position of the first filter 31, the drain outlet 24 is close to a lower end of the first filter 31, the filter box 2 is provided with a drain pipe 25 at the drain outlet 24, the drain pipe 25 is obliquely disposed, an oblique direction of the drain pipe 25 is the same as that of the first filter 31, a higher end of the drain pipe 25 is disposed through the drain outlet 24, a lower end is disposed through the heater box 1, two ends of the drain pipe 25 are welded to the filter box 2 and the heater box 1, and a second valve 251 is fixedly connected to one end of the drain pipe 25 close to the filter box 2.

Referring to fig. 2 and 3, the cleaning assembly 32 includes a driving member 321, a moving plate 322 and a flexible member 323, in this embodiment, the driving member 321 includes a screw rod 3211, a guide plate 3212, a motor 3213 and a guide rod 3214, the screw rod 3211 is obliquely located in the filter box 2, the oblique direction of the screw rod 3211 is consistent with the oblique direction of the first filter member 31, one end of the screw rod 3211 is rotatably connected to the side wall of the filter box 2, the other end of the screw rod is penetrating through the filter box 2 and penetrating through the heating box 1, the guide plate 3212 is welded to the outer side of the heating box 1, the guide plate 3212 is close to the screw rod 3211, the casing of the motor 3213 is fixedly connected to the guide plate 3212 through a screw, an output shaft of the motor 3213 is fixedly connected with one end of the screw rod 3211 through a coupling, the guide rod 3214 is located in the filter box 2, the guide rod 3214 is reversely located in the same side as the filter box 2, both ends of the guide rod 3214 are welded to the filter box 2, the moving plate 322 is located in the filter box 2, the moving plate 322 is slidably arranged in the filter box 2, the first filter member 31, the other end of the guide plate 322 is slidably arranged in the same side as the first filter member 31, and the guide plate 322 is slidably connected to the other end of the guide plate 322, and is capable of being in contact with the first filter member, and is in the direction of being slidably and is capable of being in the moving along the direction of being contacted with the first guide plate 322.

Referring to fig. 2 and 4, the spray assembly 4 includes a water tank 41, a plurality of branch pipes 42, a main pipe 43 and a plurality of high-pressure spray heads 44, the connecting plate 151 is welded horizontally on the supporting rod 15, the water tank 41 is fixedly connected to the connecting plate 151 through screws, the plurality of branch pipes 42 are located on the inner wall of the top wall of the filter tank 2, the plurality of branch pipes 42 are arranged in parallel, the branch pipes 42 are fixedly connected to the filter tank 2 through screws, one end of the main pipe 43 is communicated with the water tank 41, the other end of the main pipe 43 sequentially penetrates through the heating tank 1 and the filter tank 2 and then is communicated with the plurality of branch pipes 42, a water pump 431 is fixedly connected to one end of the main pipe 43, which is close to the water tank 41, the plurality of high-pressure spray heads 44 are uniformly distributed on the branch pipes 42, and the nozzle of the high-pressure spray heads 44 faces the first filter 31.

Referring to fig. 2, 4 and 5, the second filter assembly 5 is disposed in the filter box 2, and the second filter assembly 5 is disposed below the first filter mechanism 3, the second filter assembly 5 includes a mounting plate 51 and a second filter member 52, two opposite side walls of the filter box 2 are respectively provided with a chute 26, the direction of disposing the chute 26 is perpendicular to the direction of disposing the filter box 2, a caulking groove 511 is formed in the mounting plate 51, the caulking groove 511 penetrates through the mounting plate 51 along the thickness direction of the mounting plate 51, the second filter member 52 is embedded in the caulking groove 511, the second filter member 52 is detachably connected to the mounting plate 51 through screws, two opposite side walls of the mounting plate 51 can be respectively attached to one chute 26, and the mounting plate 51 can slide along the length direction of the chute 26 in the chute 26, the filter box 2 is provided with a replacement opening 27 on the other side wall, the replacement opening 27 is communicated with the chute 26, the filter box 2 is provided with a replacement plate 28 at the replacement opening 27, one side of the replacement plate 28 is hinged to the filter box 2, the other side is detachably connected to the filter box 2, and the replacement plate 28 is used for opening or closing the replacement opening 27; the heating cabinet 1 has offered the installing port 16 in the lateral wall, and the installing port 16 is close to in changing mouth 27, and heating cabinet 1 is equipped with fixed plate 17 in installing port 16, and mounting panel 51 one side articulates in heating cabinet 1, and the opposite side can dismantle and connect in heating cabinet 1, and fixed plate 17 is used for opening or closing installing port 16.

The implementation principle of the device for removing macromolecular impurities in the process of producing ergothioneine in the embodiment of the utility model is as follows: when the device for taking out macromolecular impurities in the ergothioneine production process is required to be used, the feed liquid is injected into the filter box 2 through the feed inlet 11, at the moment, the feed liquid can fall on the first filter element 31, some macromolecular substances can be separated from the feed liquid through the first filter element 31, then the feed liquid passing through the first filter element 31 can fall on the second filter element 52, the feed liquid can be filtered again through the second filter element 52, and then the feed liquid passing through the second filter element 52 is discharged through the discharge outlet 13.

When the first filter 31 needs to be cleaned, the water pump 431 is started, at this time, water in the water tank 41 flows into each branch pipe 42 through the main pipe 43, then, the water flows to the high-pressure spray nozzles 44, the water is sprayed out through the high-pressure spray nozzles 44 to clean the first filter 31, the water pump 431 is closed, the motor 3213 is started, the motor 3213 drives the screw 3211 to rotate, the moving plate 322 can move on the screw 3211 along the length direction of the screw 3211 in the rotating process of the screw 3211, the flexible piece 323 moves synchronously with the moving plate 322, the first filter 31 can be cleaned in the moving process of the flexible piece 323, the second valve 251 is opened, and impurities cleaned by the flexible piece 323 are discharged through the drain pipe 25.

When the second filter 52 needs to be replaced, the fixing plate 17 and the replacing plate 28 are sequentially opened, a person pulls the mounting plate 51, at this time, the mounting plate 51 slides along the chute 26, the mounting plate 51 can move from the inner side of the filter box 2 to the outer side of the filter box 2, the mounting plate 51 is separated from the filter box 2, then the second filter 52 on the mounting plate 51 is removed, the replacing second filter 52 is embedded in the embedded groove 511, the second filter 52 and the mounting plate 51 are fixed, the mounting plate 51 extends into the chute 26, the mounting plate 51 is pushed, the mounting plate 51 moves towards the inner side of the filter box 2, the mounting plate 51 is fixed with the filter box 2, and the replacing plate 28 and the fixing plate 17 are sequentially closed; the heating plate 12 is opened, so that the heating plate 12 heats the filter box 2, and the inside of the filter box 2 is kept dry.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (8)

1. A device for removing macromolecular impurities in the process of producing ergothioneine, which is characterized in that: the novel filter comprises a filter box (2), a first filter mechanism (3) and a second filter assembly (5), wherein the filter box (2) is a hollow box body, the filter box (2) is vertically arranged, a feed pipe (22) is fixed at the top of the filter box (2), the feed pipe (22) is communicated with the filter box (2), and a discharge opening (23) is formed in the bottom of the filter box (2);

the first filtering mechanism (3) comprises a first filtering piece (31) and a cleaning component (32), the first filtering piece (31) is obliquely fixed in the filtering box (2), the cleaning component (32) is positioned on one side of the first filtering piece (31) close to the top wall of the filtering box (2), the cleaning component (32) comprises a moving plate (322), a flexible piece (323) and a driving piece (321), the moving plate (322) is slidably arranged in the filtering box (2), the sliding direction of the moving plate (322) is consistent with the oblique direction of the first filtering piece (31), the flexible piece (323) is fixed on one side of the moving plate (322) close to the first filtering piece (31), the flexible piece (323) can be in contact with the first filtering piece (31), the driving piece (321) is fixed on the filtering box (2), the driving piece (321) is in transmission connection with the moving plate (322) so as to drive the moving plate (322) to slide in the second filtering component (5) and comprises a second filtering piece (5) and a second filtering component (52) which is horizontally arranged in the filtering component (5), the second filter element (52) is mounted in the filter box (2).

2. An apparatus for removing macromolecular impurities during the production of ergothioneine according to claim 1, wherein: the utility model provides a filter cartridge, including filter cartridge, drive piece (321), motor (3213), guide bar (3214), screw rod (3211) slope is located in filter cartridge (2), the incline direction of screw rod (3211) with the incline direction of first filter piece (31) is unanimous, screw rod (3211) both ends all rotate connect in filter cartridge (2) lateral wall, the output shaft of motor (3213) with screw rod (3211) one end passes through shaft coupling fixed connection, motor (3213) drive screw rod (3211) rotate, guide bar (3214) are located in filter cartridge (2), the setting direction of guide bar (3214) with the setting direction of screw rod (3211) is unanimous, guide bar (3214) both ends all are fixed in filter cartridge (2), movable plate (322) one end threaded connection in screw rod (3211), the other end sliding connection in guide bar (3214), movable plate (322) can be followed guide bar (3214) length direction.

3. An apparatus for removing macromolecular impurities during the production of ergothioneine according to claim 1, wherein: the novel water heater comprises a water heater body, and is characterized by further comprising a heating box (1) and a spraying assembly (4), wherein the heating box (1) is a hollow box body, the filtering box (2) is fixed inside the heating box (1), a feeding hole (11) is formed in the position, close to a feeding pipe (22), of the heating box (1), a discharging hole (13) is formed in the position, close to a discharging hole (23), of the heating box (1), the discharging hole (13) is communicated with the discharging hole (23), and the feeding pipe (22) is communicated with the feeding hole (11);

spray subassembly (4) are including water tank (41), a plurality of being in charge of (42), a house steward (43) and a plurality of high pressure shower nozzle (44), water tank (41) are fixed in heating cabinet (1), a plurality of be in charge of (42) the filter cabinet (2) roof inboard, a plurality of be in charge of (42) parallel arrangement, house steward (43) one end with water tank (41) intercommunication, the other end wears to locate in proper order heating cabinet (1) with behind filter cabinet (2) with a plurality of be in charge of (42) intercommunication, a plurality of high pressure shower nozzles (44) evenly distributed are in each be in on be in charge of (42), the spout orientation of high pressure shower nozzle (44) first filter (31).

4. A device for removing macromolecular impurities during the production of ergothioneine according to claim 3, wherein: a plurality of heating plates (12) are fixed inside the heating box (1), and the heating plates (12) can heat the filtering box (2).

5. An apparatus for removing macromolecular impurities during the production of ergothioneine according to claim 1, wherein: the second filter element (52) is detachably connected to the filter box (2).

6. An apparatus for removing macromolecular impurities during the production of ergothioneine as defined in claim 4, wherein: the filter box (2) in drain (24) have been seted up in first filter (31) department, filter box (2) in drain (24) department is fixed be equipped with blow off pipe (25), blow off pipe (25) slope setting, the incline direction of blow off pipe (25) with the incline direction of first filter (31) is unanimous, the higher one end of blow off pipe (25) with drain (24) intercommunication, lower one end wears to locate heating cabinet (1), blow off pipe (25) are being close to filter box (2) one end is fixed with second valve (251).

7. An apparatus for removing macromolecular impurities during the production of ergothioneine as defined in claim 4, wherein: the heating box (1) is fixed with a first valve (14) at the discharge hole (13).

8. A device for removing macromolecular impurities during the production of ergothioneine according to claim 3, wherein: the filter box is characterized in that a replacement port (27) is formed in the side wall of the filter box (2), the replacement port (27) is close to the second filter piece (52), a replacement plate (28) is fixed at the replacement port (27) of the filter box (2), the replacement plate (28) is used for opening or closing the replacement port (27), a mounting port (16) is formed in the side wall of the heater box (1), the mounting port (16) is close to the replacement port (27), a fixing plate (17) is fixed at the mounting port (16) of the heater box (1), and the fixing plate (17) is used for opening or closing the mounting port (16).