CN212315611U - Low-energy-consumption multistage water injection system - Google Patents
Low-energy-consumption multistage water injection system Download PDFInfo
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- CN212315611U CN212315611U CN202020715690.XU CN202020715690U CN212315611U CN 212315611 U CN212315611 U CN 212315611U CN 202020715690 U CN202020715690 U CN 202020715690U CN 212315611 U CN212315611 U CN 212315611U
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Abstract
The utility model provides a low energy consumption multistage injection water system, including purification water tank, condenser, injection water storage tank, multi-effect evaporator and with the multi-effect preheater that the multi-effect evaporator outside corresponds the installation. The utility model discloses a raw materials water heats step by step through condenser and multi-stage preheater and gets into the evaporimeter in the boiling point and evaporate, and the heating source of condenser and preheater comes from live steam or secondary steam and comdenstion water, and the energy consumption has been practiced thrift in the use that the heat can be in succession. The utility model relates to a multistage injection water system can the full automatization, and injection water productivity ratio is high. The utility model discloses advance workshop water spot surplus injection water and can reuse after double-tube-sheet heat exchanger heat transfer.
Description
Technical Field
The utility model relates to an injection water apparatus for producing, in particular to low energy consumption multistage injection water system.
Background
The injection water is prepared by distilling purified water as raw water again. With the development of modern science and technology, the production requirements of pharmaceutical factories, hospitals, scientific research units and the like on the used water for injection are continuously improved, so that the production equipment of the water for injection is required to have high-efficiency water production rate, and the quality of the water for injection can be ensured. Therefore, the improvement of the water yield of the injection water production equipment and the reduction of the energy consumption have important significance on the production of the injection water.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model discloses a multistage injection water system of low energy consumption, the technical scheme of the utility model is implemented like this:
a low-energy-consumption multistage water injection system comprises a purification water tank, a condenser, a water injection storage tank, a multi-effect evaporator and a multi-effect preheater which is correspondingly arranged at the outer side of the multi-effect evaporator, wherein the shell pass of each effect evaporator is communicated with the shell pass of the corresponding preheater; the steam outlet of the former evaporator is connected with the steam inlet of the latter evaporator, the bottom of the former evaporator is connected with the water inlet at the top of the latter evaporator, the steam inlet of the first evaporator is externally connected with raw steam, and the steam outlet of the last evaporator is connected with the shell pass of the condenser; the last-effect evaporator is connected with a condensate outlet of the previous-effect evaporator, and the condensate outlet of the last-effect evaporator is communicated with the shell pass of the condenser; the front effect preheater is connected with the rear effect preheater, the last effect preheater is connected with a condensate outlet of the front effect preheater, a condensate outlet of the last effect preheater is communicated with a shell pass of the condenser, a tube pass of the condenser is communicated with the purification water tank, other preheaters except the last effect preheater and the front effect preheater are all connected with a water inlet of an evaporator corresponding to the last effect preheater, and raw material water is pumped out of the purification water tank and is input into other preheaters after heat exchange of the condenser, the last effect preheater and the front effect preheater of the last effect preheater in sequence; and an injection water outlet of the condenser is connected with the injection water storage tank.
Preferably, the low-energy-consumption multistage injection water system further comprises a double-tube-plate heat exchanger, the injection water storage tank is connected with the workshop entering water consumption point, the workshop entering water consumption point is connected with the double-tube-plate heat exchanger, and the double-tube-plate heat exchanger is communicated with the injection water storage tank.
Preferably, the multiple-effect evaporator is a 6-effect evaporator, and the multiple-effect preheater is a six-effect preheater.
Preferably, a booster pump is installed on a pipeline connecting the purified water tank and the condenser.
Implement the technical scheme of the utility model has following beneficial effect:
(1) by implementing the utility model, the raw water in the purification water tank can be heated to more than 80 ℃ through the condenser, then is heated to the boiling point step by step through the preheater, and then enters the evaporator for evaporation, the heating source of the raw water is condensed water or steam, and the energy consumption for preparing the injection water is saved;
(2) the utility model can realize full automation and high production efficiency;
(3) the utility model discloses, the injection water in the injection water storage tank is pumped into workshop water spot and is used, and remaining injection water continues to use in carrying the injection water storage tank again after double-tube plate heat exchanger heat transfer is disinfected, has reduced the waste of injection water, can pass through the extracorporeal circulation of injection water storage tank simultaneously, and the circulation of injection water storage tank is arrived again to double-tube plate heat exchanger to the injection water storage tank promptly, prevents that the injection water from receiving the pollution.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
In the above drawings, the reference numerals denote:
e1-first effect evaporator; e2-two effect evaporator; e3-triple effect evaporator; e4-four effect evaporator; e5-five effect evaporator; e6-final effect evaporator; p1-first effect preheater; p2-two-effect preheater; p3-triple effect preheater; p4-four effect preheater; p5-five effect preheater; p6-end preheater.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
A low-energy-consumption multistage water injection system is shown in a combined figure 1 and comprises a purification water tank, a condenser, an injection water storage tank, 6-effect evaporators and 6-effect preheaters correspondingly mounted on the outer sides of the 6-effect evaporators, wherein the shell pass of each effect evaporator is communicated with the shell pass of the corresponding preheater; the steam outlet of the former evaporator is connected with the steam inlet of the latter evaporator, the bottom of the former evaporator is connected with the water inlet at the top of the latter evaporator, the steam inlet of the first evaporator E1 is externally connected with raw steam, and the steam outlet of the last evaporator is connected with the shell pass of the condenser; the end-effect evaporator E6 is connected with a condensed water outlet of the five-effect evaporator E5, and the condensed water outlet of the end-effect evaporator E6 is communicated with the shell pass of the condenser; the purification water tank is connected with the tube side of the condenser, the tube side of the condenser is connected with the bottom of a five-effect preheater P6, the top of the five-effect preheater P6 is connected with the top of a five-effect preheater P5, the five-effect preheater P5, the four-effect preheater P4, the three-effect preheater P3, the first-effect preheater P2 and the bottom of the first-effect preheater P1 are sequentially connected, the four-effect preheater P4, the three-effect preheater P3, the first-effect preheater P2 and the top of the first-effect preheater P1 are respectively connected with the water inlets at the tops of the four-effect evaporator E4, the three-effect evaporator E3, the two-effect evaporator E2 and the first-effect evaporator E1, the condensed water outlet of the five-effect preheater P5 is connected with the five-effect preheater P6, the condensed water outlet of the five-effect preheater P6 is connected with the shell side of the condenser, and the.
In this embodiment, raw steam enters the shell side of first effect evaporator E1 from the steam inlet of first effect evaporator E1 and exchanges heat with the raw water entering the tube side of first effect evaporator E1. Raw material water enters from a water inlet at the upper part of the first-effect evaporator E1 and is uniformly sprayed on the tube wall of the tube array of the first-effect evaporator E1 to form a liquid-falling film to carry out heat exchange with steam passing through the shell side, a steam-water mixture generated by the raw material water after the heat exchange sinks into a separator to be separated, separated secondary steam is taken as a heating source through the steam inlet of the first-effect evaporator E1 and the shell side of the secondary evaporator, the separated raw material water which is not evaporated enters the tube side of the secondary evaporator, and the like, and the principle of the rear evaporator is the same as that of the rear evaporator.
In the embodiment, the condenser is of a tube array multi-pass structure, raw material water enters a tube pass of the condenser, secondary steam and condensed water generated by the end-effect evaporator E6 enter a shell pass of the condenser to exchange heat with the raw material water passing through the tube pass, and produced injection water is input into an injection water storage tank from an injection water outlet at the bottom of the condenser.
In the embodiment, the temperature of the raw material water can be above 80 ℃ through the condenser, then the raw material water is preheated by the condenser through the five-effect preheater P6 and the five-effect preheater P5 in sequence, and then the raw material water can be input into the four-effect preheater P4 for preheating or the three-effect preheater P3 for preheating or the first-effect preheater P2 for preheating or the effect preheater for preheating to reach the boiling point and then enter the four-effect evaporator E4 or the three-effect evaporator E3 or the two-effect evaporator E2 or the first-effect evaporator E1 for evaporation.
In this embodiment, the injection water storage tank is connected to a water point for entering the plant, the water point for entering the plant is connected to a double-tube-plate heat exchanger, and the double-tube-plate heat exchanger is communicated with the injection water storage tank. When water needs to be used when entering a workshop, the injection water of the injection water storage tank is pumped into the water using point of the workshop through the sanitary pump for use, the rest injection water is input into the double-tube-plate heat exchanger for heat exchange, the sterilization purpose is achieved, and the injection water after heat exchange is used in the injection water storage tank for re-conveying, so that the waste of the injection water can be reduced, and the injection water pollution is avoided.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the present invention, and that any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (4)
1. A low-energy-consumption multistage injection water system is characterized by comprising a purification water tank, a condenser, an injection water storage tank, a multi-effect evaporator and a multi-effect preheater which is correspondingly arranged on the outer side of the multi-effect evaporator, wherein the shell pass of each effect evaporator is communicated with the shell pass of the corresponding preheater; the steam outlet of the first-effect evaporator is connected with the steam inlet of the last-effect evaporator, the bottom of the first-effect evaporator is connected with the water inlet at the top of the last-effect evaporator, the steam inlet of the first-effect evaporator is externally connected with raw steam, and the steam outlet of the last-effect evaporator is connected with the shell pass of the condenser; the last-effect evaporator is connected with a condensate outlet of a previous-effect evaporator, and the condensate outlet of the last-effect evaporator is communicated with the shell pass of the condenser; the device comprises a first-effect preheater, a second-effect preheater, a condenser, a purification water tank, a first-effect preheater, a second-effect preheater, a first-effect preheater, a second-effect preheater and a second-effect preheater, wherein the first-effect preheater is connected with the second-effect preheater; and an injection water outlet of the condenser is connected with the injection water storage tank.
2. A low energy consumption multi-stage injection water system as claimed in claim 1 further comprising a double tube sheet heat exchanger, wherein the injection water storage tank is connected to a water point for plant entry, the water point for plant entry is connected to the double tube sheet heat exchanger, and the double tube sheet heat exchanger is in communication with the injection water storage tank.
3. A low energy consumption multi-stage water injection system as claimed in claim 1, wherein the multi-effect evaporator is a 6-effect evaporator and the multi-effect preheater is a six-effect preheater.
4. A low energy consumption multi-stage injection water system as claimed in claim 1, wherein a booster pump is installed on a pipe connecting said purified water tank and said condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715690.XU CN212315611U (en) | 2020-05-06 | 2020-05-06 | Low-energy-consumption multistage water injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020715690.XU CN212315611U (en) | 2020-05-06 | 2020-05-06 | Low-energy-consumption multistage water injection system |
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| Publication Number | Publication Date |
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| CN212315611U true CN212315611U (en) | 2021-01-08 |
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| CN202020715690.XU Active CN212315611U (en) | 2020-05-06 | 2020-05-06 | Low-energy-consumption multistage water injection system |
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- 2020-05-06 CN CN202020715690.XU patent/CN212315611U/en active Active
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