CN202501773U - Heat exchanger for pressure leaching process - Google Patents
Heat exchanger for pressure leaching process Download PDFInfo
- Publication number
- CN202501773U CN202501773U CN2012200879532U CN201220087953U CN202501773U CN 202501773 U CN202501773 U CN 202501773U CN 2012200879532 U CN2012200879532 U CN 2012200879532U CN 201220087953 U CN201220087953 U CN 201220087953U CN 202501773 U CN202501773 U CN 202501773U
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- Prior art keywords
- heat exchanger
- cylindrical shell
- leaching process
- pressure leaching
- pipe
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Abstract
The utility model provides a heat exchanger for a pressure leaching process. The heat exchanger comprises a cylinder, a liquid inlet pipe, a liquid outlet pipe, a plurality of heat-exchange pipes, an air inlet pipe and an air outlet pipe, wherein the front end and the rear end of the cylinder are respectively provided with a front end enclosure and a rear end enclosure; the liquid inlet pipe and the liquid outlet pipe are arranged on the cylinder and are communicated with the interior of the cylinder; the plurality of heat-exchange pipes are arranged in the cylinder; and the air inlet pipe and the air outlet pipe are arranged on the cylinder, the air inlet pipe is communicated with one ends of the plurality of heat-exchange pipes, and the air outlet pipe is communicated with the other ends of the plurality of heat-exchange pipes. Therefore, according to the heat exchanger for the pressure leaching process disclosed by the utility model, by means of heating liquid inside the cylinder by using steam inside the heat-exchange pipes, a plurality of flange connection parts are not needed to be arranged, thus the formation of leakage points is prevented, and the service life of the heat exchanger is prolonged. In addition, the heat exchanger for the pressure leaching process is simple in structure and convenient to maintain and operate.
Description
Technical field
The utility model relates to coloured technical field of smelting, particularly relates to the heat exchanger that is used for pressure leaching process.
Background technology
Zinc sulfide concentrates pressurization is leached in the production process, and the acid solution that modulates, concentration be at 110-170g/L, pump into add in the still before, need utilize earlier heat transmission equipment with preheating temperature to the 80-125 degree, could directly pump in the autoclave.
The heat exchanger that comes into operation both at home and abroad at present is to adopt the preheating of heating of the form of outer heat exchange; Be that acid solution is passed through pipeline and in cylindrical shell, flowed, logical steam is so that the acid solution in the pipeline is preheated, after coming into operation under these process conditions in the cylindrical shell of heat exchanger; Because acid solution is passed through pipeline transmission; Therefore cause pipeline to pass through that the position that flange connects is many, corrosion leakage point is also just many, so shortened the service life of heat exchanger, and cause repair and maintenance more frequent.
The utility model content
The utility model is intended to one of solve the problems of the technologies described above at least.
For this reason, the utility model purpose is to propose a kind of heat exchanger that is used for pressure leaching process with long service life.
The heat exchanger that is used for pressure leaching process according to the utility model embodiment comprises: cylindrical shell, and the rear and front end of said cylindrical shell has front head and rear head respectively; Feed tube and drain pipe, said feed tube and drain pipe be located on the said cylindrical shell and with said cylindrical shell in be connected; A plurality of heat exchanger tubes, said a plurality of heat exchanger tubes are located in the said cylindrical shell; With air inlet pipe and escape pipe, said air inlet pipe and escape pipe are located on the said cylindrical shell, and said air inlet pipe is connected with an end of said a plurality of heat exchanger tubes, and said escape pipe is connected with the other end of said a plurality of heat exchanger tubes.
Thus,, to the liquid heat in the cylindrical shell, need not to be provided with a plurality of flange connecting portions, therefore avoid forming leakage point, prolonged the service life of heat exchanger through the steam in the heat exchanger tube according to the heat exchanger that is used for pressure leaching process of the utility model embodiment.In addition, the heat exchanger structure that is used for pressure leaching process of the utility model is simple, is convenient to maintenance and easy to operate.
In addition, the heat exchanger that is used for pressure leaching process according to the utility model the foregoing description can also have following additional technical characterictic:
The heat exchanger that is used for pressure leaching process also comprises tube sheet; Said tube sheet is located in the said cylindrical shell and the front head of contiguous said cylindrical shell; Said front head and said tube sheet limit air cavity in said cylindrical shell, be provided with the dividing plate that said air cavity is separated into inlet chamber and outlet chamber in the said air cavity.
Said a plurality of heat exchanger tube is U-shaped; One end of said a plurality of heat exchanger tubes is connected on the said tube sheet and with said inlet chamber and is connected; The other end of said a plurality of heat exchanger tubes is connected on the said tube sheet and with said outlet chamber and is connected, and said air inlet pipe and escape pipe are located on the said front head respectively and are connected with said inlet chamber and outlet chamber respectively.
The two ends of said a plurality of heat exchanger tubes are connected by welding on the said tube sheet.
The heat exchanger that is used for pressure leaching process also comprises a plurality of deflectors, and said a plurality of deflectors are located in the said cylindrical shell.
Said a plurality of deflector comprises left deflector and the right deflector on the left and right internal perisporium that is located at said cylindrical shell respectively, said left deflector and right deflector equal and opposite in direction and be equidistantly spaced.
Said a plurality of heat exchanger tube passes said a plurality of deflector.
Said feed tube is located at contiguous said front head place, and said drain pipe is located at contiguous said rear head place, and said feed tube and drain pipe are located at the both sides of said cylindrical shell respectively.
Be equipped with choke valve on said feed tube, drain pipe, air inlet pipe and the escape pipe.
Be equipped with pressure gauge on said feed tube, drain pipe, air inlet pipe and the escape pipe.
Additional aspect of the utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize through the practice of the utility model.
Description of drawings
Above-mentioned and/or additional aspect of the utility model and advantage obviously with are easily understood becoming the description of embodiment from combining figs, wherein:
Fig. 1 is the vertical view according to the heat exchanger that is used for pressure leaching process of the utility model embodiment.
The specific embodiment
Describe the embodiment of the utility model below in detail, the example of said embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Be exemplary through the embodiment that is described with reference to the drawings below, only be used to explain the utility model, and can not be interpreted as restriction the utility model.
In the description of the utility model; It will be appreciated that; The orientation of indications such as term " " center ", " vertically ", " laterally ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " or position relation are for based on orientation shown in the drawings or position relation; only be to describe with simplifying for the ease of describing the utility model; rather than the device or the element of indication or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction to the utility model.
In addition, term " first ", " second " only are used to describe purpose, and can not be interpreted as indication or hint relative importance.
In the description of the utility model, need to prove that only if clear and definite regulation and qualification are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be to be fixedly connected, connect integratedly, also can be to removably connect; Can be mechanical connection or electrical connection, also can be the connection of two element internals; Can be directly to link to each other, also can link to each other indirectly, for those of ordinary skill in the art, can understand the concrete implication of above-mentioned term as the case may be through intermediary.
With reference to figure 1 heat exchanger that is used for pressure leaching process according to the utility model embodiment is described below.
The heat exchanger that is used for pressure leaching process according to the utility model embodiment comprises: cylindrical shell 1, feed tube 2, drain pipe 3, a plurality of heat exchanger tube 4, air inlet pipe 5 and escape pipe 6.
As shown in Figure 1, particularly, the rear and front end of cylindrical shell 1 has front head 11 and rear head 12 respectively.Feed tube 2 and drain pipe 3 be located on the cylindrical shell 1 and with cylindrical shell 1 in be connected, what need add the temperature preheating treats that hot liquid (for example acid solution) injects in the cylindrical shells 1 back in the feed tube 2 and discharges cylindrical shells 1 from drain pipe 3.Thus, the position that connects through flange is only at feed tube 2 and drain pipe 3 places.
A plurality of heat exchanger tubes 4 are located in the cylindrical shell 1 evenly distributedly, and air inlet pipe 5 is located on the cylindrical shell 1 with escape pipe 6, and air inlet pipe 5 is connected with an end of a plurality of heat exchanger tubes 4, and escape pipe 6 is connected with the other end of a plurality of heat exchanger tubes 4.Thus, steam flows and flowing liquid generation heat exchanges in cylindrical shell 1 (promptly treating the hot liquid heating) along heat exchanger tube 4 after an end of air inlet pipe 5 and heat exchanger tube 4 flows into a plurality of heat exchanger tubes 4, and the other end and the escape pipe 6 of the last heat exchanger tube 4 of process again flow out.
The heat exchanger of the utility model is not only applicable to the technology that preheats of acid solution, can also be competent at other heating solution operations.
Thus,, to the liquid heat in the cylindrical shell 1, need not to be provided with a plurality of flange connecting portions, therefore avoid forming leakage point, prolonged the service life of heat exchanger through the steam in the heat exchanger tube 4 according to the heat exchanger that is used for pressure leaching process of the utility model embodiment.In addition, the heat exchanger structure that is used for pressure leaching process of the utility model is simple, is convenient to maintenance and easy to operate.
According to an embodiment of the utility model, the heat exchanger that is used for pressure leaching process also comprises tube sheet 7.
A plurality of heat exchanger tubes 4 are U-shaped, and the U-shaped opening forward, the U-shaped closing end is arranged in the cylindrical shell 1 backward.Setting can increase the length of heat exchanger tube 4 in cylindrical shell 1 like this, increases heat exchange area.
The U-shaped openend of a plurality of heat exchanger tubes 4 (being the two ends of heat exchanger tube 4) is connected on the tube sheet 7.Particularly, an end of heat exchanger tube 4 is connected on the tube sheet 7 and with inlet chamber 131 and is connected, and an end that is to say heat exchanger tube 4 is connected on the part that tube sheet 7 is positioned at inlet chamber 131 places.The other end of a plurality of heat exchanger tubes 4 is connected on the tube sheet 7 and with outlet chamber 132 and is connected, and promptly the other end of heat exchanger tube 4 is connected on the part that tube sheet 7 is positioned at outlet chamber 132 places.Air inlet pipe 5 is located on the front head 11 respectively with escape pipe 6 and is connected with inlet chamber 131 and outlet chamber 132 respectively.
The two ends of a plurality of heat exchanger tubes 4 can adopt welding procedure to be connected on the tube sheet 4, with the steadiness that guarantees to connect.
Thus, vapour source is connected with air inlet pipe 5, steam is conveyed in the inlet chamber 131 through air inlet pipe 5, and the end through too much bar heat exchanger tube 4 flows in the heat exchanger tube 4 again.After waiting to accomplish heat exchange, flow back in the outlet chamber 132 from the other end of a plurality of heat exchanger tubes 4 after, flow out outlet chambers 132 through escape pipe 6 at last.
According to another embodiment of the utility model, the heat exchanger that is used for pressure leaching process also comprises a plurality of deflectors that are located in the cylindrical shell 1.
Particularly; A plurality of deflectors comprise the left deflector 81 and right deflector 82 on the left and right internal perisporium that is located at cylindrical shell 1 respectively; Left side deflector 81 is with right deflector 82 equal and opposite in directions and be equidistantly spaced, and promptly the length direction along cylindrical shell 1 is provided with left deflector 81 and right deflector 82 at interval.
A plurality of heat exchanger tubes 4 pass a plurality of deflectors.
Thus, liquid flows along the curve of deflector by rule in cylindrical shell 1 in the past backward, has therefore increased the flow circuits of liquid in cylindrical shell 1, and liquid fully and equably is heated.
In addition, be equipped with choke valve and pressure gauge (not shown) on feed tube 2, drain pipe 3, air inlet pipe 5 and the escape pipe 6, regulate the flow of liquid and steam and detect pressure size in the pipeline in real time with convenient.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means the concrete characteristic, structure, material or the characteristics that combine this embodiment or example to describe and is contained among at least one embodiment or example of the utility model.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete characteristic, structure, material or the characteristics of description can combine with suitable manner in any one or more embodiment or example.
Although illustrated and described the embodiment of the utility model; Those having ordinary skill in the art will appreciate that: under the situation of principle that does not break away from the utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, the scope of the utility model is limited claim and equivalent thereof.
Claims (10)
1. a heat exchanger that is used for pressure leaching process is characterized in that, comprising:
Cylindrical shell, the rear and front end of said cylindrical shell has front head and rear head respectively;
Feed tube and drain pipe, said feed tube and drain pipe be located on the said cylindrical shell and with said cylindrical shell in be connected;
A plurality of heat exchanger tubes, said a plurality of heat exchanger tubes are located in the said cylindrical shell; With
Air inlet pipe and escape pipe, said air inlet pipe and escape pipe are located on the said cylindrical shell, and said air inlet pipe is connected with an end of said a plurality of heat exchanger tubes, and said escape pipe is connected with the other end of said a plurality of heat exchanger tubes.
2. the heat exchanger that is used for pressure leaching process according to claim 1; It is characterized in that; Also comprise tube sheet; Said tube sheet is located in the said cylindrical shell and the front head of contiguous said cylindrical shell, and said front head and said tube sheet limit air cavity in said cylindrical shell, be provided with the dividing plate that said air cavity is separated into inlet chamber and outlet chamber in the said air cavity.
3. the heat exchanger that is used for pressure leaching process according to claim 2; It is characterized in that; Said a plurality of heat exchanger tube is U-shaped; One end of said a plurality of heat exchanger tubes is connected on the said tube sheet and with said inlet chamber and is connected, and the other end of said a plurality of heat exchanger tubes is connected on the said tube sheet and with said outlet chamber and is connected, and said air inlet pipe and escape pipe are located on the said front head respectively and are connected with said inlet chamber and outlet chamber respectively.
4. the heat exchanger that is used for pressure leaching process according to claim 3 is characterized in that the two ends of said a plurality of heat exchanger tubes are connected by welding on the said tube sheet.
5. the heat exchanger that is used for pressure leaching process according to claim 1 is characterized in that, also comprises a plurality of deflectors, and said a plurality of deflectors are located in the said cylindrical shell.
6. the heat exchanger that is used for pressure leaching process according to claim 5; It is characterized in that; Said a plurality of deflector comprises left deflector and the right deflector on the left and right internal perisporium that is located at said cylindrical shell respectively, said left deflector and right deflector equal and opposite in direction and be equidistantly spaced.
7. the heat exchanger that is used for pressure leaching process according to claim 6 is characterized in that, said a plurality of heat exchanger tubes pass said a plurality of deflector.
8. the heat exchanger that is used for pressure leaching process according to claim 1; It is characterized in that; Said feed tube is located at contiguous said front head place, and said drain pipe is located at contiguous said rear head place, and said feed tube and drain pipe are located at the both sides of said cylindrical shell respectively.
9. according to each described heat exchanger that is used for pressure leaching process of claim 1-8, it is characterized in that, be equipped with choke valve on said feed tube, drain pipe, air inlet pipe and the escape pipe.
10. according to each described heat exchanger that is used for pressure leaching process of claim 1-8, it is characterized in that, be equipped with pressure gauge on said feed tube, drain pipe, air inlet pipe and the escape pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200879532U CN202501773U (en) | 2012-03-09 | 2012-03-09 | Heat exchanger for pressure leaching process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200879532U CN202501773U (en) | 2012-03-09 | 2012-03-09 | Heat exchanger for pressure leaching process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202501773U true CN202501773U (en) | 2012-10-24 |
Family
ID=47038385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200879532U Expired - Lifetime CN202501773U (en) | 2012-03-09 | 2012-03-09 | Heat exchanger for pressure leaching process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202501773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627793A (en) * | 2015-02-03 | 2016-06-01 | 中国恩菲工程技术有限公司 | Novel wet leaching material heat exchange system and heat exchange method of novel wet leaching material heat exchange system |
-
2012
- 2012-03-09 CN CN2012200879532U patent/CN202501773U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105627793A (en) * | 2015-02-03 | 2016-06-01 | 中国恩菲工程技术有限公司 | Novel wet leaching material heat exchange system and heat exchange method of novel wet leaching material heat exchange system |
| CN105698573A (en) * | 2015-02-03 | 2016-06-22 | 中国恩菲工程技术有限公司 | Novel wet lixiviated material heat exchanging system and heat exchanging method thereof |
| CN105698573B (en) * | 2015-02-03 | 2018-09-11 | 中国恩菲工程技术有限公司 | Wet-leaching material-heat-exchanging system and its heat-exchange method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170509 Address after: 655011 Qujing economic and Technological Development Zone, Yunnan, Qujing Patentee after: Yunnan Chihong Zinc & Germanium Co., Ltd. Address before: 165000, Greater Khingan Range District, Jiagedaqi province Heilongjiang Industrial Park, Greater Khingan Range Yun Ye Mining Development Co., Ltd. Co-patentee before: Bi Honglin Patentee before: Daxinganling Yunye Mining Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121024 |