Single-effect distilled water machine and pasteurization all-in-one machine

Abstract

The utility model belongs to the technical field of distilled water production and pasteurization, and particularly relates to a single-effect distilled water machine and pasteurization all-in-one machine which comprises an evaporator, the upper end of the evaporator is connected with a vapor-liquid pre-separation device in a penetrating mode, and the output end of the vapor-liquid pre-separation device is connected with one end of an outer pipeline VI in a penetrating mode. The other end of the sixth outer pipeline is in through connection with the upper end of a secondary steam separator, and the upper end of the side wall of the secondary steam separator is in through connection with one end of a seventh outer pipeline; raw material water is further heated through high-temperature steam condensate of the heater, then raw steam and the raw material water are well evaporated, the evaporation effect is improved, the discharge of the steam condensate is reduced, the steam consumption is reduced, and the device serving as dual-purpose equipment can meet the process requirements of distilled water production and pasteurization, and is suitable for industrial production. And equipment investment and management cost requirements are reduced on the whole.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production distillation water and pasteurization technical field, specifically point to a single effect distillation water machine and pasteurization integrated machine. BACKGROUND

[0002] Distilled water, that is, water obtained through the distillation process, is a kind of water with extremely high purity, which almost contains no mineral, bacteria and impurities, so it occupies an important position in medical treatment, scientific research, laboratory and high-end industrial production. The preparation of distilled water is mainly through the heating of raw water by distillation equipment, so that it is vaporized, and then condensed into liquid state, so as to remove the impurities and microorganisms in water.

[0003] At present, the distillation water machine on the market mostly adopts the multi-effect distillation mode, that is, through the multi-stage evaporation, condensation and purification technology, the impurities, bacteria, viruses and other substances in raw water are evaporated, and then condensed into liquid water. Although this mode can prepare high-quality distilled water, the multi-effect distillation (such as five-effect, six-effect or even seven-effect evaporation) equipment has high investment cost, complex structure, large floor area, and relatively large management cost in the running process. These shortcomings limit the application of the distillation water machine in some cost-sensitive or space-limited occasions. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above problems, the utility model provides a single effect distillation water machine and pasteurization integrated machine.

[0005] The utility model discloses adopt technical scheme as follows: the utility model provides a single effect distillation water machine and pasteurization integrated machine, including evaporimeter, the upper end of evaporimeter is connected with vapour liquid preseparation device through, vapour liquid preseparation device's output end is connected with one end of outer pipeline six through, the other end of outer pipeline six is connected with the upper end of secondary steam separator through, be equipped with two position three way switch valve no. 1 on outer pipeline six, the other output end of two position three way switch valve no. 1 is connected with pasteurization process interface, the lateral wall upper end of secondary steam separator is connected with one end of outer pipeline seven through, the other end of outer pipeline seven is connected with the top one side of condenser through, the lower end of condenser is connected with cooler through, the lower end of evaporimeter is connected with one end of outer pipeline one through, the other end of outer pipeline one is connected in the lower end of heater through, the lateral wall lower end of heater is connected with one end of outer pipeline two through, the other end of outer pipeline two is connected with the top one side of preheater through, the lateral wall lower end of evaporimeter is connected with one end of outer pipeline three through, the other end of outer pipeline three is connected with the lateral wall upper end of heater through, one end of preheater is connected with one end of outer pipeline four through, the other end of outer pipeline four is connected with the input end of condenser through, be equipped with two position three way switch valve no. 2 on outer pipeline four, the output end of condenser is connected with one end of outer pipeline five through, the other end of outer pipeline five is connected with the upper end of heater through, be equipped with two position three way switch valve no. 3 on outer pipeline five, the other output end of two position three way switch valve no. 3 and the other output end of two position three way switch valve no. 2 are connected through connecting pipe through.

[0006] Further, the lateral wall of the evaporator is provided with a live steam inlet, the lower end of the lateral wall of the evaporator is provided with a high-temperature steam condensate outlet one, the lower end of the evaporator is provided with a hot raw water inlet one, the lower end of the evaporator is provided with a concentrated water outlet, one end of the outer pipeline one is connected to the hot raw water inlet one, the evaporator is provided with an evaporation tube bundle two, one end of the evaporation tube bundle two is connected to the hot raw water inlet one, and one end of the outer pipeline three is connected to the high-temperature steam condensate outlet one.

[0007] Further, the vapour liquid preseparation device is provided with a corrugated wire demister, the lateral wall of the vapour liquid preseparation device is provided with a secondary steam outlet, and one end of the outer pipeline six is connected to the secondary steam outlet.

[0008] Further, the top end of the secondary steam separator is provided with a secondary steam inlet, the other end of the outer pipeline six is connected to the secondary steam inlet, the secondary steam separator is provided with a spiral plate vapour-liquid separation device, the bottom end of the secondary steam separator is provided with a condensate water outlet, the lateral wall of the secondary steam separator is provided with a pure steam outlet, and one end of the outer pipeline seven is connected to the pure steam outlet.

[0009] Further, one end of the preheater is provided with a raw water outlet one, the raw water outlet one is connected to one end of the outer pipeline four in a through manner, the other end of the preheater is provided with a raw water inlet two, one side of the lower end of the preheater is provided with a steam condensate outlet two, one side of the upper end of the preheater is provided with a steam condensate inlet one, the steam condensate inlet one is connected to one end of the outer pipeline two in a through manner, a drain valve is arranged on the outer pipeline two, the preheater is internally provided with a preheating tube bundle one, one end of the preheating tube bundle one is connected to the raw water outlet one in a through manner, the other end of the preheating tube bundle one is connected to the raw water inlet two in a through manner.

[0010] Further, the lower end of the heater is provided with a hot raw water outlet two, the hot raw water outlet two is connected to the other end of the outer pipeline one in a through manner, the upper end of the heater is provided with a hot raw water inlet three, the hot raw water inlet three is connected to one end of the outer pipeline five in a through manner, the lower end of the side wall of the heater is provided with a high-temperature steam condensate outlet three, the high-temperature steam condensate outlet three is connected to the other end of the outer pipeline two in a through manner, the upper end of the other side wall of the heater is provided with a high-temperature steam condensate inlet two, the high-temperature steam condensate inlet two is connected to the other end of the outer pipeline three in a through manner, the heater is internally provided with a heating tube bundle three, one end of the heating tube bundle three is connected to the hot raw water inlet three in a through manner, the other end of the heating tube bundle three is connected to the hot raw water outlet two in a through manner.

[0011] Further, one side of the upper end of the condenser is provided with a hot raw water outlet three, one side of the lower end of the condenser is provided with a hot raw water inlet four, the condenser is internally provided with a condensing tube bundle five, one end of the condensing tube bundle five is connected to the hot raw water inlet four in a through manner, the other end of the condensing tube bundle five is connected to the hot raw water outlet three in a through manner, the hot raw water outlet three is connected to the other end of the outer pipeline five in a through manner, the hot raw water inlet four is connected to the other end of the outer pipeline four in a through manner, one side of the upper end of the condenser is provided with a pure steam inlet, the pure steam inlet is connected to the other end of the outer pipeline seven in a through manner, the other side of the upper end of the condenser is provided with a non-condensable gas exhaust port, one side of the lower end of the condenser is provided with a high-temperature distilled water outlet one, the other side of the lower end of the condenser is provided with a device connection fixing port one.

[0012] Further, one side of the upper end of the condenser is provided with a hot raw water outlet three, one side of the lower end of the condenser is provided with a hot raw water inlet four, the condenser is internally provided with a condensing tube bundle five, one end of the condensing tube bundle five is connected to the hot raw water inlet four in a through manner, the other end of the condensing tube bundle five is connected to the hot raw water outlet three in a through manner, the hot raw water outlet three is connected to the other end of the outer pipeline five in a through manner, the hot raw water inlet four is connected to the other end of the outer pipeline four in a through manner, one side of the upper end of the condenser is provided with a pure steam inlet, the pure steam inlet is connected to the other end of the outer pipeline seven in a through manner, the other side of the upper end of the condenser is provided with a non-condensable gas exhaust port, one side of the lower end of the condenser is provided with a high-temperature distilled water outlet one, the other side of the lower end of the condenser is provided with a device connection fixing port one.

[0013] The beneficial effects achieved by the utility model are as follows:

[0014] 1. The raw water is further heated by the high-temperature steam condensate of the heater, and then the raw water is well evaporated by the live steam, thereby improving the evaporation effect, reducing the discharge of steam condensate, and reducing the steam consumption.

[0015] 2. The heat of the steam condensate is transferred to the raw water by the preheater, and the steam condensate is cooled at the same time, and the raw water is preheated in the process of cooling the steam condensate.

[0016] 3. The secondary steam inlet is communicated with the pure steam outlet through the spiral plate vapor-liquid separation flow channel, and the secondary steam entering from the secondary steam inlet can be separated by the spiral plate vapor-liquid separation flow channel to obtain pure steam, and then the pure steam is discharged from the pure steam outlet.

[0017] 4. The condenser and the cooler are used to cool the pure steam, and finally the distilled water meeting the standard requirements is obtained.

[0018] 5. As a dual-purpose equipment, it can meet the requirements of producing distilled water and realizing the process requirements of pasteurization, thereby reducing the equipment investment and management cost requirements. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the utility model, the following will briefly introduce the drawings needed to be used in the description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the drawings without creative labor.

[0020] Fig. 1 It is a front view of the single-effect distilled water machine and pasteurization integrated machine of the utility model.

[0021] Fig. 2 It is a front view of the single-effect distilled water machine and pasteurization integrated machine of the utility model.

[0022] 1 evaporator, 2 vapor-liquid pre-separation device, 3 secondary steam separator, 4 preheater, 5 heater, 6 condenser, 7 cooler, 8 live steam inlet, 9 high-temperature steam condensate outlet one, 10 hot raw water inlet one, 11 concentrated water outlet, 12 secondary steam outlet, 13 corrugated wire mesh demister, 14 secondary steam inlet, 15 pure steam outlet, 16 condensate outlet, 17 spiral plate vapor-liquid separation device, 18 raw water inlet two, 19 raw water outlet one, 20 steam condensate inlet one, 21 steam condensate outlet two, 22 hot raw water inlet three, 23 hot raw water outlet two, 24 high-temperature steam condensate inlet two, 25 high-temperature steam condensate outlet three, 26 pure steam inlet, 27 equipment connection fixing port one, 28 non-condensable gas exhaust port, 29 high-temperature distilled water outlet one, 30 hot raw water inlet four, 31 hot raw water outlet three, 32 high-temperature distilled water inlet, 33 distilled water outlet two, 34 equipment connection fixing port two, 35 cooling water inlet, 36 cooling water outlet, 37 preheating tube bundle one, 38 evaporation tube bundle two, 39 heating tube bundle three, 40 cooling tube bundle four, 41 condensing tube bundle five, 42 outer pipeline one, 43 outer pipeline two, 44 outer pipeline three, 45 outer pipeline four, 46 outer pipeline five, 47 outer pipeline six, 48 outer pipeline seven, 49 two-position three-way switch valve one, 50 two-position three-way switch valve two, 51 two-position three-way switch valve three, 52 connecting pipe. DETAILED DESCRIPTION

[0023] In order to make the purpose, characteristics and advantages of the utility model more obvious and easy to understand, the technical solutions in the utility model will be described clearly and completely in combination with the drawings in the specific embodiments. Obviously, the embodiments described below are only some of the embodiments of the utility model, not all. Based on the embodiments in the patent, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the patent.

[0024] As Figs. 1-2As shown, the utility model provides a single effect distillation water machine and pasteurization integrated machine, including evaporimeter 1, the upper end of evaporimeter 1 is connected with vapour liquid preseparation device 2 in through, the output of vapour liquid preseparation device 2 is connected with one end of outer pipeline six 47 in through, the other end of outer pipeline six 47 is connected with the upper end of secondary steam separator 3 in through, is equipped with two position three way switch valve one 49 on outer pipeline six 47, two position three way switch valve one 49 can be switched to pasteurization process interface, the lateral wall upper end of secondary steam separator 3 is connected with one end of outer pipeline seven 48 in through, the other end of outer pipeline seven 48 is connected with the top end one side of condenser 6 in through, the lower end of condenser 6 is connected with cooler 7 in through, the lower end of evaporimeter 1 is connected with one end of outer pipeline one 42 in through, the other end of outer pipeline one 42 is connected in the lower end of heater 5, the lateral wall lower end of heater 5 is connected with one end of outer pipeline two 43 in through, the other end of outer pipeline two 43 is connected with the top end one side of preheater 4 in through, the lateral wall lower end of evaporimeter 1 is connected with one end of outer pipeline three 44 in through, the other end of outer pipeline three 44 is connected with the lateral wall upper end of heater 5 in through, one end of preheater 4 is connected with one end of outer pipeline four 45 in through, the other end of outer pipeline four 45 is connected with the input of condenser 6 in through, is equipped with two position three way switch valve two 50 on outer pipeline four 45, the output of condenser 6 is connected with one end of outer pipeline five 46 in through, the other end of outer pipeline five 46 is connected with the upper end of heater 5 in through, is equipped with two position three way switch valve three 51 on outer pipeline five 46, the other output of two position three way switch valve three 51 and the other output of two position three way switch valve two 50 are connected through connecting pipe 52 in through.

[0025] The lateral wall of evaporimeter 1 is provided with a live steam inlet 8, the lateral wall lower end of evaporimeter 1 is provided with a high-temperature steam condensate outlet 9, the lower end of evaporimeter 1 is provided with a hot raw water inlet 10, the lower end of evaporimeter 1 is provided with a concentrated water outlet 11, one end of outer pipeline one 42 is connected to the hot raw water inlet 10, evaporimeter 1 is provided with an evaporation tube bundle 38, one end of the evaporation tube bundle 38 is connected to the hot raw water inlet 10, and one end of outer pipeline three 44 is connected to the high-temperature steam condensate outlet 9.

[0026] The vapour liquid preseparation device 2 is provided with a corrugated wire demister 13, and the lateral wall of the vapour liquid preseparation device 2 is provided with a secondary steam outlet 12.

[0027] The top end of the secondary steam separator 3 is provided with a secondary steam inlet 14, the other end of the outer pipeline six 47 is connected to the secondary steam inlet 14, the secondary steam separator 3 is provided with a spiral plate vapour-liquid separation device 17, the bottom end of the secondary steam separator 3 is provided with a condensed water outlet 16, the lateral wall of the secondary steam separator 3 is provided with a pure steam outlet 15, and one end of the outer pipeline seven 48 is connected to the pure steam outlet 15.

[0028] The preheater 4 is provided with a raw water outlet 19 at one end, the raw water outlet 19 is connected to one end of the outer pipeline 45, the preheater 4 is provided with a raw water inlet 18 at the other end, the lower end of the preheater 4 is provided with a steam condensate outlet 21, the upper end of the preheater 4 is provided with a steam condensate inlet 20, the steam condensate inlet 20 is connected to one end of the outer pipeline 43, the outer pipeline 43 is provided with a trap, the preheater 4 is provided with a preheating tube bundle 37, one end of the preheating tube bundle 37 is connected to the raw water outlet 19, the other end of the preheating tube bundle 37 is connected to the raw water inlet 18.

[0029] The lower end of the heater 5 is provided with a hot raw water outlet 23, the hot raw water outlet 23 is connected to the other end of the outer pipeline 42, the upper end of the heater 5 is provided with a hot raw water inlet 22, the hot raw water inlet 22 is connected to one end of the outer pipeline 46, the lower end of the side wall of the heater 5 is provided with a high-temperature steam condensate outlet 25, the high-temperature steam condensate outlet 25 is connected to the other end of the outer pipeline 43, the other side wall of the heater 5 is provided with a high-temperature steam condensate inlet 24, the high-temperature steam condensate inlet 24 is connected to the other end of the outer pipeline 44, the heater 5 is provided with a heating tube bundle 39, one end of the heating tube bundle 39 is connected to the hot raw water inlet 22, the other end of the heating tube bundle 39 is connected to the hot raw water outlet 23.

[0030] The condenser 6 is provided with a hot raw water outlet 31 at the upper end of one side, the condenser 6 is provided with a hot raw water inlet 30 at the lower end of one side, the condenser 6 is provided with a condensing tube bundle 41, one end of the condensing tube bundle 41 is connected to the hot raw water inlet 30, the other end of the condensing tube bundle 41 is connected to the hot raw water outlet 31, the hot raw water outlet 31 is connected to the other end of the outer pipeline 46, the hot raw water inlet 30 is connected to the other end of the outer pipeline 45, the upper end of the condenser 6 is provided with a pure steam inlet 26, the pure steam inlet 26 is connected to the other end of the outer pipeline 48, the other side of the upper end of the condenser 6 is provided with a non-condensable gas exhaust port 28, the lower end of the condenser 6 is provided with a high-temperature distilled water outlet 29, the lower end of the condenser 6 is provided with a device connection fixing port 27.

[0031] The upper end of one end of the cooler 7 is provided with a cooling water outlet 36, the lower end of one end of the cooler 7 is provided with a cooling water inlet 35, the cooler 7 is provided with a cooling tube bundle four 40, one end of the cooling tube bundle four 40 is connected through the cooling water outlet 36, the other end of the cooling tube bundle four 40 is connected through the cooling water inlet 35, the lower end of one side of the cooler 7 is provided with a distilled water outlet two 33, the upper end of one side of the cooler 7 is provided with a device connection fixing port two 34, the device connection fixing port two 34 is arranged at the lower end of the device connection fixing port one 27, the upper end of the other side of the cooler 7 is provided with a high-temperature distilled water inlet 32, and the high-temperature distilled water inlet 32 is connected through the lower end of the high-temperature distilled water outlet one 29.

[0032] In specific use, industrial steam enters evaporator 1 from steam inlet 8 of evaporator 1 and exchanges heat with raw water, and the condensed high-temperature steam is discharged from high-temperature steam outlet 9, then enters heater 5 and preheater 4 to exchange heat with raw water, and is finally cooled and discharged from steam outlet 2 of preheater 4; at the same time, normal-temperature raw water enters preheater 4 from raw water inlet 18 of preheater 4 and exchanges heat with steam, and is preliminarily preheated, then two-way three-way switch valve 2 is connected to outer pipeline 4, then the raw water enters condensing tube 5 in condenser 6 through outer pipeline 4, two-way three-way switch valve 3 is connected to outer pipeline 5, then the raw water enters heating tube 3 in heater 5 through outer pipeline 5, and is further heated, so that the raw water is more easily evaporated, then the heated raw water enters evaporating tube 2 in evaporator 1 through outer pipeline 1, exchanges heat with industrial steam in the shell, and is separated by wave wire demister 13 in vapor-liquid pre-separation device 2, and becomes secondary steam, wherein the remaining raw water is discharged from concentrated water outlet 11; two-way three-way switch valve 1 is connected to outer pipeline 6, the secondary steam is separated by spiral plate vapor-liquid separation device 17 in secondary steam separator 3, and the pure steam meeting the requirements is discharged from pure steam outlet 15, under the centrifugal force of high-speed rotation of the spiral plate vapor-liquid separation device 17, the separation factor can reach several hundred times of the centrifugal force of gravity, the small water droplets and mist in the secondary steam are centrifugally separated along the tangent direction of the spiral and are thrown to the isolation cylinder wall, then are collected along the cylinder wall and are discharged from the condensate water outlet 16 at the bottom of the separation chamber, so that the ideal separation effect is achieved, finally, the pure steam enters condenser 6 through outer pipeline 7, is cooled in cooler 7 through high-temperature distilled water outlet 1 and high-temperature distilled water inlet 32, is discharged from distilled water outlet 2, and finally the distilled water meeting the standard requirements is obtained, and the uncondensed gas is discharged from uncondensed gas discharge port 28, and the cooling water is connected to circulating condensate water through cooling water outlet 36 and cooling water inlet 35, the all-in-one machine can meet the requirements of producing distilled water and realizing the pasteurization process, when the pasteurization operation is needed, two-way three-way switch valve 1 on outer pipeline 6 is switched to the sterilization process interface, then two-way three-way switch valve 2 on outer pipeline 4 and two-way three-way switch valve 3 on outer pipeline 5 are connected through connecting pipe 52, the heated raw water is not introduced into condenser 6, but is directly introduced into evaporator 1 for heating, so that the pasteurization operation is realized, the above is the working process of the all-in-one machine, and the steps can be repeated next time.

[0033] As can be seen from the above embodiments, the all-in-one machine has the following beneficial effects:

[0034] The high-temperature steam condensate of the heater is used to further heat the raw water, and then the raw water is well evaporated by the live steam, so that the evaporation effect is improved, the discharge of steam condensate is reduced, and the steam consumption is reduced; the heat of the steam condensate is transmitted to the raw water through the preheater, and the steam condensate can be cooled at the same time, and the cooled steam condensate is discharged outside the machine, and the raw water is also preheated in the process of cooling the steam condensate, so that the steam condensate is cooled and the raw water is preheated; the secondary steam inlet is communicated with the pure steam outlet through the spiral plate vapor-liquid separation flow channel, the secondary steam entering from the secondary steam inlet can be separated by the spiral plate vapor-liquid separation flow channel to obtain pure steam, and then the pure steam is discharged from the pure steam outlet, under the action of high-speed rotation centrifugal force, the separation factor can reach several hundred times of the centrifugal force of gravity acceleration, the small water droplets and mist in the secondary steam are centrifugally separated along the tangent direction of the spiral and thrown to the isolation cylinder wall, and then collected along the cylinder wall and discharged at the bottom of the separation chamber, so that the ideal separation effect is achieved; the condenser and the cooler are used to cool the pure steam, and finally the distilled water meeting the standard requirements is obtained.

[0035] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A single-effect distilled water machine and pasteurizer integrated machine, characterized by: The evaporator (1) is provided with a vapor-liquid pre-separation device (2) at the upper end, the output end of the vapor-liquid pre-separation device (2) is connected with one end of an external pipeline six (47), the other end of the external pipeline six (47) is connected with the upper end of a secondary steam separator (3), a two-position three-way valve one (49) is arranged on the external pipeline six (47), the other output end of the two-position three-way valve one (49) is connected with a pasteurization process interface, the side wall of the secondary steam separator (3) is provided with one end of an external pipeline seven (48), the other end of the external pipeline seven (48) is connected with the top side of a condenser (6), the lower end of the condenser (6) is connected with a cooler (7), the lower end of the evaporator (1) is connected with one end of an external pipeline one (42), the other end of the external pipeline one (42) is connected with the lower end of a heater (5), the side wall of the heater (5) is provided with one end of an external pipeline two (43), the other end of the external pipeline two (43) is connected with the top side of a preheater (4), the side wall of the evaporator (1) is provided with one end of an external pipeline three (44), the other end of the external pipeline three (44) is connected with the side wall of the heater (5), one end of the preheater (4) is connected with one end of an external pipeline four (45), the other end of the external pipeline four (45) is connected with the input end of the condenser (6), a two-position three-way valve two (50) is arranged on the external pipeline four (45), the output end of the condenser (6) is connected with one end of an external pipeline five (46), the other end of the external pipeline five (46) is connected with the upper end of the heater (5), a two-position three-way valve three (51) is arranged on the external pipeline five (46), the other output end of the two-position three-way valve three (51) and the other output end of the two-position three-way valve two (50) are connected through a connecting pipe (52).

2. The single-effect distillation water machine and pasteurization integrated machine according to claim 1, characterized in that: A live steam inlet (8) is arranged on the side wall of the evaporator (1), a high-temperature steam condensate outlet one (9) is arranged at the lower end of the side wall of the evaporator (1), a hot raw water inlet one (10) is arranged at the lower end of the evaporator (1), a concentrated water outlet (11) is arranged at one side of the lower end of the evaporator (1), one end of the external pipeline one (42) is connected with the hot raw water inlet one (10), and the evaporator (1) is provided with an evaporation tube bundle two (38), one end of the evaporation tube bundle two (38) is connected with the hot raw water inlet one (10), and one end of the external pipeline three (44) is connected with the high-temperature steam condensate outlet one (9).

3. The single-effect distillation water machine and pasteurization integrated machine according to claim 2, characterized in that: A corrugated wire demister (13) is arranged in the vapor-liquid pre-separation device (2), and a secondary steam outlet (12) is arranged on the side wall of the vapor-liquid pre-separation device (2), and one end of the external pipeline six (47) is connected with the secondary steam outlet (12).

4. The single-effect distillation water machine and pasteurization integrated machine according to claim 3, characterized in that: The top end of the secondary steam separator (3) is provided with a secondary steam inlet (14) which is connected to the other end of the outer pipeline six (47), the secondary steam separator (3) is provided with a spiral plate vapor-liquid separation device (17), the bottom end of the secondary steam separator (3) is provided with a condensate water outlet (16), the side wall of the secondary steam separator (3) is provided with a pure steam outlet (15) which is connected to one end of the outer pipeline seven (48).

5. The single-effect distillation water machine and pasteurization integrated machine according to claim 4, characterized in that: The one end of the preheater (4) is provided with a raw water outlet one (19) which is connected to one end of the outer pipeline four (45), the other end of the preheater (4) is provided with a raw water inlet two (18), the lower end of the preheater (4) is provided with a steam condensate water outlet two (21), the upper end of the preheater (4) is provided with a steam condensate water inlet one (20) which is connected to one end of the outer pipeline two (43), the outer pipeline two (43) is provided with a drain valve, the preheater (4) is provided with a preheating tube bundle one (37) which is connected to the raw water outlet one (19) at one end and connected to the raw water inlet two (18) at the other end.

6. The single-effect distillation water machine and pasteurization integrated machine according to claim 4, characterized in that: The lower end of the heater (5) is provided with a hot raw water outlet two (23) which is connected to the other end of the outer pipeline one (42), the upper end of the heater (5) is provided with a hot raw water inlet three (22) which is connected to one end of the outer pipeline five (46), the lower end of the side wall of the heater (5) is provided with a high-temperature steam condensate water outlet three (25) which is connected to the other end of the outer pipeline two (43), the upper end of the other side wall of the heater (5) is provided with a high-temperature steam condensate water inlet two (24) which is connected to the other end of the outer pipeline three (44), the heater (5) is provided with a heating tube bundle three (39) which is connected to the hot raw water inlet three (22) at one end and connected to the hot raw water outlet two (23) at the other end.

7. The single-effect distillation water machine and pasteurization integrated machine according to claim 4, characterized in that: The one side upper end of the condenser (6) is provided with a hot raw water outlet three (31), the one side lower end of the condenser (6) is provided with a hot raw water inlet four (30), the condenser (6) is provided with a condensing tube bundle five (41), one end of the condensing tube bundle five (41) is connected with the hot raw water inlet four (30) in penetration, the other end of the condensing tube bundle five (41) is connected with the hot raw water outlet three (31) in penetration, the hot raw water outlet three (31) is connected with the other end of the outer pipeline five (46) in penetration, the hot raw water inlet four (30) is connected with the other end of the outer pipeline four (45) in penetration, the upper end of the condenser (6) is provided with a pure steam inlet (26) on one side, the pure steam inlet (26) is connected with the other end of the outer pipeline seven (48) in penetration, the upper end of the condenser (6) is provided with a non-condensable gas exhaust port (28) on the other side, the lower end of the condenser (6) is provided with a high-temperature distilled water outlet one (29) on one side, the lower end of the condenser (6) is provided with a device connection fixing port one (27) on the other side.

8. The single-effect distillation water machine and pasteurization integrated machine according to claim 4, characterized in that: The one end upper side of the cooler (7) is provided with a cooling water outlet (36), the one end lower side of the cooler (7) is provided with a cooling water inlet (35), the cooler (7) is provided with a cooling tube bundle four (40), one end of the cooling tube bundle four (40) is connected with the cooling water outlet (36) in penetration, the other end of the cooling tube bundle four (40) is connected with the cooling water inlet (35) in penetration, the lower end of the cooler (7) is provided with a distilled water outlet two (33) on one side, the upper end of the cooler (7) is provided with a device connection fixing port two (34) on one side, the device connection fixing port two (34) is arranged below the device connection fixing port one (27), the upper end of the cooler (7) is provided with a high-temperature distilled water inlet (32) on the other side, the high-temperature distilled water inlet (32) is connected with the lower end of the high-temperature distilled water outlet one (29) in penetration.

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