CN217947711U

CN217947711U - Steam condensate recoverer of water distiller

Info

Publication number: CN217947711U
Application number: CN202222119443.5U
Authority: CN
Inventors: 徐世波; 叶银国
Original assignee: Ningbo Feichuang Pharmaceutical Equipment Co ltd
Current assignee: Ningbo Feichuang Pharmaceutical Equipment Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2022-12-02
Anticipated expiration: 2032-08-11

Abstract

The application discloses a steam condensate water recoverer of a distilled water machine, which comprises an evaporation device, a condensation device and a heat exchanger; the evaporation device comprises an evaporator and a preheater, and raw material water is heated by the evaporator and the preheater and then evaporated into steam; the condensing device comprises a condenser, and the steam is condensed by the condenser to form steam condensate water; the steam condensate water is collected in a low-temperature state after being subjected to heat exchange by the heat exchanger, and the raw water is introduced into the preheater after being subjected to heat exchange by the heat exchanger. The multi-effect water distiller solves the problem of heat emission, can achieve medium and low temperature emission, improves the heat utilization rate of industrial steam, and reduces the consumption of the industrial steam.

Description

Steam condensate recoverer of distilled water machine

Technical Field

The application relates to the technical field of distilled water preparation, in particular to a steam condensate water recoverer of a distilled water machine.

Background

The distilled water machine refers to a machine for preparing pure water by a distillation method. Water can be distilled once or several times. The working principle of the distilled water machine is that the source water is evaporated, condensed and recycled after being boiled, a large amount of heat energy is consumed, the manufacturing cost is not too low, and other substances evaporated when being heated in the source water for manufacturing the distilled water are condensed into the distilled water along with the generation of the distilled water.

Industrial steam of the existing water distiller passes through the first-effect evaporator and then enters the first-effect preheater to form steam condensate, and then the steam condensate is directly discharged to the heat discharge pipeline, so that the steam condensate has higher temperature, higher heat loss and higher requirement on the position of site setting.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a water distiller steam condensate recoverer solves the heat emission problem of a multi-effect water distiller, can realize the emission of medium and low temperature, improves the heat utilization rate of industrial steam and reduces the consumption of industrial steam.

To achieve the above objects, the present application provides a steam condensate recoverer of a water distiller, comprising: the evaporation device comprises an evaporator and a preheater, and raw water is heated by the preheater and the evaporator and then evaporated into steam; the condensing device comprises a condenser, and the steam is condensed by the condenser to form steam condensate water; and the steam condensate water is collected in a low-temperature state after being subjected to heat exchange by the heat exchanger, and the raw material water is introduced into the preheater after being subjected to heat exchange by the heat exchanger.

Compared with the prior art, the beneficial effect of this application lies in: in the prior art, the steam condensate water is directly discharged to the heat discharge pipeline after being condensed by the condenser, and because the temperature of the steam condensate water is higher, if the heat loss is higher after direct discharge, and because the steam condensate water has higher temperature, certain requirements are required for site arrangement and position, and the cost and the difficulty of collecting the steam condensate water are improved; this application passes through the heat exchanger and gives raw material water with the partial heat transfer of the higher steam condensate water of temperature to promote the temperature before raw material water gets into evaporation plant, make the ability of evaporating raw material water reduce well, reduce the cost improves heat utilization rate, and can be the low temperature state with the higher steam condensate water of temperature and discharge, reduced the degree of difficulty of collecting.

As the improvement, the steam trap can automatically discharge condensed water and automatically identify steam and water through automatic setting, thereby achieving the purpose of automatically blocking steam and draining water.

As an improvement, still including set up in the condenser with manual ball valve between the heat exchanger, under the state that manual ball valve was opened, the steam condensate water passes through manual ball valve discharges, through above-mentioned improvement, when need not pass through heat exchanger conversion heat energy, the accessible is opened manual ball valve and is blocked the participation of heat exchanger to make steam condensate water directly discharge, improve the practicality through addding the regulation option.

As an improvement, the evaporation device comprises a multi-effect evaporator and a multi-effect preheater, and through the improvement, the purity of the obtained steam condensate can be improved through the multi-effect evaporation, the heat energy can be fully utilized, and the energy consumption loss can be reduced.

As a modification, the preheater is a multi-pass preheater, and through the modification, the multi-pass can improve the heat exchange efficiency by prolonging the contact time.

Drawings

Fig. 1 is a flowchart of the operation of the present application.

In the figure: 1. an evaporation device; 11. an evaporator; 12. a preheater; 2. a condenser; 3. a heat exchanger; 4. a drain valve; 5. A manual ball valve; 6. and (4) a collecting device.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments described below or between the technical features may form a new embodiment.

In the description of the present application, it should be noted that, for the orientation words, such as the terms "central", "upper", "lower", "front", "back", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, are only for convenience of describing the present application and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The application provides a steam condensate recoverer of a distilled water machine, as shown in figure 1, comprising an evaporation device 1, a condensation device and a heat exchanger 3; the evaporation device 1 comprises an evaporator 11 and a preheater 12, and raw material water is heated by the evaporator 11 and the preheater 12 and then evaporated into steam; the condensing device comprises a condenser 2, and steam is condensed into steam condensate water by the condenser 2; the steam condensate water is collected in a low-temperature state after heat exchange through the heat exchanger 3, and the raw water is introduced into the preheater 12 after heat exchange through the heat exchanger 3.

It should be noted that heat exchanger 3 is used for making heat from the hot-fluid transfer to the cold fluid to satisfy the device of the technological requirement of regulation, be the industrial application of convection heat transfer and heat-conduction, this application makes the higher steam condensate water of temperature discharge with the low temperature state after through heat exchanger 3 heat transfer through heat exchanger 3, and the collection condition reduces and makes and collects the distilled water easier, can reduce the energy consumption of follow-up evaporation raw materials water through heating raw materials water moreover. Preferably, the heat exchanger 3 may be of the dividing wall type or of the hybrid or regenerative type.

Specifically, the steam-water separator further comprises a steam trap 4, and steam condensate water passes through the steam trap 4 and is collected after heat exchange through the heat exchanger 3.

Specifically, the steam condenser further comprises a manual ball valve 5 arranged between the condenser 2 and the heat exchanger 3, and when the manual ball valve 5 is opened, steam condensate water is discharged through the manual ball valve 5. Namely, when the manual ball valve 5 is in a normally closed state, the steam condensate passes through the heat exchanger 3 through the steam trap 4 and then is collected by the collecting device 6 in a low-temperature state. When the manual ball valve 5 is in an open state, the steam condensate is directly collected by the collecting device 6 through the manual ball valve 5.

Preferably, the evaporation apparatus 1 comprises a multi-effect evaporator 11 and a multi-effect preheater 12.

Preferably, the preheater 12 is a multi-pass preheater 12. The preheater 12 may be provided by dividing several groups of tubes by baffles, which may be 2 or 4 or 6 passes.

The working principle of the application is as follows: after raw materials water evaporated into steam through evaporation plant 1 in this application, become steam condensate through the condensation of condenser 2, under the closed state of manual ball valve 5, steam condensate water leads to heat exchanger 3 through trap 4, and steam condensate water is the low temperature state after flowing through heat exchanger 3 heat transfer cooling and is collected by collection device 6, and original water passes through heat exchanger 3 heat transfer and heaies up the back and lets in pre-heater 12 to reduce the energy consumption of evaporation raw materials water, promote heat energy utilization efficiency. In the state that the manual ball valve 5 is opened, the steam condensate is directly discharged to the collecting device 6 through the manual ball valve 5, so that heat exchange is not needed through the heat exchanger 3. The state of the heat exchanger 3 can be changed by controlling the manual ball valve 5, and the practicability is improved.

The foregoing has described the principles, principal features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims

1. Steam condensate water recoverer of a distilled water machine is characterized by comprising:

the evaporation device comprises an evaporator and a preheater, and raw water is heated by the preheater and the evaporator and then evaporated into steam;

the condensing device comprises a condenser, and the steam is condensed by the condenser to form steam condensate water; and

and the steam condensate water is collected in a low-temperature state after being subjected to heat exchange by the heat exchanger, and the raw material water is introduced into the preheater after being subjected to heat exchange by the heat exchanger.

2. The water distiller steam condensate recuperator of claim 1, wherein: the steam condensate water is collected after passing through the steam trap and being subjected to heat exchange through the heat exchanger.

3. The water distiller steam condensate recoverer of claim 2 wherein: the steam condenser is characterized by further comprising a manual ball valve arranged between the condenser and the heat exchanger, and under the condition that the manual ball valve is opened, the steam condensate water is discharged through the manual ball valve.

4. The water distiller steam condensate recuperator of claim 1, wherein: the evaporation device comprises a multi-effect evaporator and a multi-effect preheater.

5. The water distiller steam condensate recuperator of any one of claims 1-4, wherein: the preheater is a multi-tube pass preheater.