阅读说明：本技术 难处理金矿处理系统 (Refractory gold ore processing system ) 是由 赵鹏飞 秦明晓 殷书岩 陆业大 戴江洪 苏柏泉 池文荣 王恒利 贺伟伟 于 2021-09-24 设计创作，主要内容包括：本发明公开了一种难处理金矿处理系统,所述难处理金矿处理系统包括原料预热组件、第一液固分离组件、加压氧浸组件、闪蒸降压组件、第二液固分离组件、氰化前预处理组件、氰化提金组件和第一余热利用组件。所述第一液固分离组件与所述原料预热组件相连,所述加压氧浸组件与所述第一液固分离组件相连,所述闪蒸降压组件与所述加压氧浸组件相连,所述第二液固分离组件与所述闪蒸降压组件相连,所述氰化前预处理组件与所述第二液固分离组件相连,所述氰化提金组件与所述氰化前预处理组件相连,所述第一余热利用组件与所述闪蒸降压组件相连。本发明的难处理金矿处理系统具有循环利用、适应性强、转化率高的特点。(The invention discloses a refractory gold ore treatment system which comprises a raw material preheating assembly, a first liquid-solid separation assembly, a pressurized oxygen leaching assembly, a flash evaporation depressurization assembly, a second liquid-solid separation assembly, a pre-cyaniding pretreatment assembly, a cyaniding gold extraction assembly and a first waste heat utilization assembly. The first liquid-solid separation component is connected with the raw material preheating component, the pressurized oxygen soaking component is connected with the first liquid-solid separation component, the flash pressure reduction component is connected with the pressurized oxygen soaking component, the second liquid-solid separation component is connected with the flash pressure reduction component, the pre-treatment component before cyaniding is connected with the second liquid-solid separation component, the cyaniding gold extraction component is connected with the pre-treatment component before cyaniding, and the first waste heat utilization component is connected with the flash pressure reduction component. The refractory gold ore treatment system has the characteristics of cyclic utilization, strong adaptability and high conversion rate.)

1. A refractory gold ore processing system, comprising:

the raw material preheating assembly is used for preheating raw materials;

one end of the first liquid-solid separation component is connected with the raw material preheating component so as to carry out solid-liquid separation on the preheated raw material;

one end of the pressurized oxygen leaching component is connected with the other end of the first liquid-solid separation component and is used for performing pressurized oxidation leaching treatment on the solid separated by the first liquid-solid separation component;

one end of the flash evaporation pressure reduction component is connected with the other end of the pressure oxygen leaching component and is used for carrying out flash evaporation pressure reduction treatment on the raw material subjected to pressure oxidation leaching treatment;

one end of the second liquid-solid separation component is connected with the other end of the flash evaporation depressurization component and is used for carrying out second solid-liquid separation on the raw material subjected to flash evaporation depressurization treatment;

one end of the pre-cyaniding pretreatment assembly is connected with the other end of the second liquid-solid separation assembly and is used for pretreating the raw material subjected to secondary solid-liquid separation so as to carry out cyaniding gold extraction treatment;

one end of the cyaniding gold extraction component is connected with the other end of the pre-cyaniding pretreatment component and is used for cyaniding the pretreated raw material to extract gold so as to obtain a gold product;

the first waste heat utilization assembly is connected with the flash evaporation pressure reduction assembly to process waste heat generated by the flash evaporation pressure reduction assembly.

2. The refractory gold ore processing system of claim 1 further comprising a second waste heat utilization assembly coupled to the pressurized oxygen leach assembly for processing waste heat generated by the pressurized oxygen leach assembly.

3. The refractory gold ore processing system of claim 2 further comprising a third waste heat utilization assembly connected to the second liquid-solid separation assembly for processing waste heat generated by the second liquid-solid separation assembly.

4. The refractory gold ore treatment system of claim 3, wherein the first, second and third waste heat utilization assemblies each comprise one of a waste heat cleaning device, a waste heat collecting device and a waste heat converting device, and one of the waste heat cleaning device, the waste heat collecting device and the waste heat converting device is connected to one end of the flash evaporation depressurization assembly, one end of the pressure oxygen leaching assembly and one end of the second liquid-solid separation assembly respectively.

5. The refractory gold ore processing system of claim 3, wherein the first, second and third waste heat utilization assemblies each comprise a waste heat cleaning device, a waste heat collection device and a waste heat conversion device, one end of the waste heat cleaning device is connected with one end of the flash evaporation depressurization assembly, one end of the pressure-adding oxygen leaching assembly and one end of the second liquid-solid separation assembly, the other end of the waste heat cleaning device is connected with one end of the waste heat collection device, and the other end of the waste heat collection device is connected with one end of the waste heat conversion device, or,

the first waste heat utilization assembly, the second waste heat utilization assembly and the third waste heat utilization assembly all comprise a waste heat cleaning device and a waste heat collecting device, one end of the waste heat cleaning device is connected with one end of the flash evaporation pressure reduction assembly, one end of the pressurized oxygen leaching assembly and one end of the second liquid-solid separation assembly, the other end of the waste heat cleaning device is connected with one end of the waste heat collecting device, or,

the first waste heat utilization assembly, the second waste heat utilization assembly and the third waste heat utilization assembly all comprise a waste heat cleaning device and a waste heat conversion device, one end of the waste heat cleaning device is connected with one end of the flash evaporation pressure reduction assembly, one end of the pressurized oxygen leaching assembly and one end of the second liquid-solid separation assembly, the other end of the waste heat cleaning device is connected with one end of the waste heat conversion device, or,

the first waste heat utilization assembly, the second waste heat utilization assembly and the third waste heat utilization assembly respectively comprise a waste heat collecting device and a waste heat conversion device, one end of the waste heat collecting device is connected with one end of the flash evaporation pressure reduction assembly, one end of the pressurized oxygen soaking assembly and one end of the second liquid-solid separation assembly, and the other end of the waste heat collecting device is connected with one end of the waste heat conversion device.

6. The refractory gold ore processing system of claim 3 wherein the first, second and third waste heat utilization assemblies further comprise a waste heat utilization device, the waste heat utilization device being one or more of the feedstock preheating assembly, the second liquid-solid separation assembly, the pre-cyanidation pretreatment assembly and the cyanidation gold extraction assembly.

7. The refractory gold ore processing system of any one of claims 1 to 5 wherein the waste heat utilization device is one or more of a heat exchanger, a direct heating device, a coil heating device and a heating radiator.

8. The refractory gold ore treatment system of any one of claims 1 to 5 wherein the waste heat cleaning device is one or more of a multi-phase media separator, a scrubber and a hazardous material absorber.

9. The refractory gold ore treatment system of any one of claims 1 to 5, wherein the waste heat collection device is one or more of a thermal and pressure retention type collector, a thermal and pressure reduction type collector, a temperature and pressure reduction type collector and a thermal and pressure increase type collector.

10. The refractory gold ore processing system of any one of claims 1 to 5 wherein the waste heat conversion device is a waste heat generator or a waste heat heater.

Technical Field

The invention relates to the technical field of gold ore smelting, in particular to a refractory gold ore treatment system.

Background

When the refractory gold ore is treated by the pressure oxygen leaching pre-oxidation treatment, a large amount of waste heat is generated, and in the related technology, most of the waste heat is discharged in the form of treated tail gas and is not recycled, so that the waste of heat is caused.

Disclosure of Invention

The present invention is based on the discovery and recognition by the inventors of the following facts and problems:

in the related technology, when refractory gold ore is treated, a pressure oxygen leaching pre-oxidation technology is mainly adopted, the main processes comprise gold ore raw material preparation, ore pulp preheating, liquid-solid separation, pressure oxygen leaching, flash evaporation depressurization, secondary liquid-solid separation, pre-cyanidation, cyanidation gold extraction, gold refining and the like, and during the treatment process, a large amount of waste heat is generated by the ore pulp preheating, the pressure oxygen leaching, the flash evaporation depressurization and the secondary liquid-solid separation, and most of the waste heat is released by treated tail gas in the original process, so that the waste of heat is caused.

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the embodiment of the invention provides a refractory gold ore treatment system which is recyclable, strong in adaptability and high in conversion rate.

The refractory gold ore treatment system comprises a raw material preheating assembly, a first liquid-solid separation assembly, a pressurized oxygen leaching assembly, a flash evaporation depressurization assembly, a second liquid-solid separation assembly, a pre-cyaniding pretreatment assembly, a cyaniding gold extraction assembly and a first waste heat utilization assembly. The raw material preheating assembly is used for preheating a raw material, one end of the first liquid-solid separation assembly is connected with the raw material preheating assembly so as to carry out solid-liquid separation on the preheated raw material, one end of the pressurized oxygen leaching assembly is connected with the other end of the first liquid-solid separation assembly and is used for carrying out pressurized oxidation leaching treatment on the solid separated by the first liquid-solid separation assembly, one end of the flash evaporation depressurization assembly is connected with the other end of the pressurized oxygen leaching assembly and is used for carrying out flash evaporation depressurization treatment on the raw material subjected to pressurized oxidation leaching treatment, one end of the second liquid-solid separation assembly is connected with the other end of the flash evaporation depressurization assembly and is used for carrying out secondary solid-liquid separation on the raw material subjected to flash evaporation depressurization treatment, one end of the pre-treatment assembly before cyanidation is connected with the other end of the second liquid-solid separation assembly and is used for carrying out pre-treatment on the raw material subjected to secondary solid-liquid separation, the device comprises a flash evaporation pressure reduction assembly, a first waste heat utilization assembly, a second waste heat utilization assembly and a second waste heat utilization assembly, wherein the flash evaporation pressure reduction assembly is used for reducing the pressure of the raw materials to be processed, and the flash evaporation pressure reduction assembly is used for reducing the pressure of the raw materials to be processed.

According to the refractory gold ore treatment system provided by the embodiment of the invention, the first waste heat utilization component is arranged, so that the waste heat generated by the flash evaporation pressure reduction component can be effectively utilized, and the refractory gold ore treatment system has the characteristics of cyclic utilization, strong adaptability, high conversion rate, energy conservation and emission reduction.

In some embodiments, the refractory gold ore treatment system further comprises a second waste heat utilization assembly connected to the pressurized oxygen leaching assembly for treating waste heat generated by the pressurized oxygen leaching assembly.

In some embodiments, the refractory gold ore treatment system further comprises a third waste heat utilization assembly, and the third waste heat utilization assembly is connected with the second liquid-solid separation assembly to treat waste heat generated by the second liquid-solid separation assembly.

In some embodiments, each of the first waste heat utilization assembly, the second waste heat utilization assembly, and the third waste heat utilization assembly includes one of a waste heat cleaning device, a waste heat collecting device, and a waste heat converting device, and one of the waste heat cleaning device, the waste heat collecting device, and the waste heat converting device is connected to one end of the flash evaporation pressure reducing assembly, one end of the pressure oxygen leaching assembly, and one end of the second liquid-solid separation assembly, respectively.

In some embodiments, the first waste heat utilization assembly, the second waste heat utilization assembly and the third waste heat utilization assembly each include a waste heat cleaning device, a waste heat collecting device and a waste heat conversion device, one end of the waste heat cleaning device is connected to one end of the flash evaporation pressure reduction assembly, one end of the pressure oxygen leaching assembly and one end of the second liquid-solid separation assembly, the other end of the waste heat cleaning device is connected to one end of the waste heat collecting device, and the other end of the waste heat collecting device is connected to one end of the waste heat conversion device, or the first waste heat utilization assembly, the second waste heat utilization assembly and the third waste heat utilization assembly each include a waste heat cleaning device and a waste heat collecting device, one end of the waste heat cleaning device is connected to one end of the flash evaporation pressure reduction assembly, one end of the pressure oxygen leaching assembly and one end of the second liquid-solid separation assembly, the other end of the waste heat cleaning device is connected with one end of the waste heat collecting device, or the first waste heat utilization assembly, the second waste heat utilization assembly and the third waste heat utilization assembly all comprise a waste heat cleaning device and a waste heat conversion device, one end of the waste heat cleaning device is connected with one end of the flash evaporation pressure reduction assembly, one end of the pressure oxygen soaking assembly and one end of the second liquid-solid separation assembly, the other end of the waste heat cleaning device is connected with one end of the waste heat conversion device, or the first waste heat utilization assembly, the second waste heat utilization assembly and the third waste heat utilization assembly all comprise a waste heat collecting device and a waste heat conversion device, one end of the waste heat collecting device is connected with one end of the flash evaporation pressure reduction assembly, one end of the pressure oxygen soaking assembly and one end of the second liquid-solid separation assembly, the other end of the waste heat collecting device is connected with one end of the waste heat conversion device.

In some embodiments, the first, second, and third waste heat utilization assemblies further comprise a waste heat utilization device, and the waste heat utilization device is one or more of the raw material preheating assembly, the second liquid-solid separation assembly, the pre-cyanidation pretreatment assembly, and the cyanidation gold extraction assembly.

In some embodiments, the waste heat utilization device is one or more of a heat exchanger, a direct heating device, a coil heating device, and a heating radiator.

In some embodiments, the waste heat cleaning device is one or more of a multi-phase media separator, a scrubber, and a hazardous substance absorber.

In some embodiments, the waste heat collecting device is one or more of a heat and pressure preserving collector, a temperature and pressure reducing collector and a heat and pressure preserving collector.

In some embodiments, the waste heat conversion device is a waste heat generator or a waste heat heater.

Drawings

Fig. 1 is a schematic structural view of a refractory gold ore processing system according to an embodiment of the present invention.

Reference numerals:

the device comprises a raw material preheating component 1, a first liquid-solid separation component 2, a pressurized oxygen leaching component 3, a flash evaporation pressure reduction component 4, a second liquid-solid separation component 5, a pre-cyaniding pretreatment component 6, a cyaniding gold extraction component 7, a first waste heat utilization component 8, a waste heat cleaning device 81, a waste heat acquisition device 82, a waste heat conversion device 83, a waste heat utilization device 84, a second waste heat utilization component 9 and a third waste heat utilization component 10.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

A refractory gold ore processing system according to an embodiment of the present invention will be described with reference to fig. 1.

The refractory gold ore treatment system comprises a raw material preheating assembly 1, a first liquid-solid separation assembly 2, a pressurized oxygen leaching assembly 3, a flash evaporation depressurization assembly 4, a second liquid-solid separation assembly 5, a pre-cyaniding pretreatment assembly 6, a cyaniding gold extraction assembly 7 and a first waste heat utilization assembly 8.

The raw material preheating component 1 is used for preheating raw materials, one end of the first liquid-solid separation component 2 is connected with the raw material preheating component 1 so as to carry out solid-liquid separation on the preheated raw materials, one end of the pressurized oxygen leaching component 3 is connected with the other end of the first liquid-solid separation component 2 and is used for carrying out pressurized oxidation leaching treatment on solids separated by the first liquid-solid separation component 2, one end of the flash evaporation depressurization component 4 is connected with the other end of the pressurized oxygen leaching component 3 and is used for carrying out flash evaporation depressurization treatment on the raw materials subjected to pressurized oxidation leaching treatment, one end of the second liquid-solid separation component 5 is connected with the other end of the flash evaporation depressurization component 4 and is used for carrying out secondary solid-liquid separation on the raw materials subjected to flash evaporation depressurization treatment, one end of the pre-treatment component 6 before cyanidation is connected with the other end of the second liquid-solid separation component 5 and is used for carrying out pretreatment on the raw materials subjected to secondary solid-liquid separation so as to carry out cyanidation gold extraction treatment, one end of the cyaniding gold extraction component 7 is connected with the other end of the pre-treatment component 6 before cyaniding, and is used for cyaniding the pretreated raw material to extract gold so as to obtain a gold product, and the first waste heat utilization component 8 is connected with the flash evaporation pressure reduction component 4 so as to process the waste heat generated by the flash evaporation pressure reduction component 4.

As shown in figure 1, in the process of processing gold ore difficult to process, a raw material preheating component 1, a first liquid-solid separation component 2, a pressure oxygen leaching component 3, a flash evaporation depressurization component 4, a second liquid-solid separation component 5, a pre-cyanidation pretreatment component 6 and a cyanidation gold extraction component 7 are connected in sequence, raw materials are sequentially subjected to a plurality of processes such as raw material preheating, first liquid-solid separation, pressure oxygen leaching, flash evaporation depressurization, second liquid-solid separation, pre-cyanidation pretreatment and cyanidation gold extraction in the components to obtain gold products, wherein the flash evaporation depressurization component 4 is connected with a first waste heat utilization component 8, a large amount of waste heat is generated in the process of flash evaporation depressurization of the raw materials by the flash evaporation depressurization component 4, the waste heat is recycled by the treatment of the first utilization component 8, the waste of heat is reduced, and the waste heat is converted and then introduced into the second liquid-solid separation component 5 and the cyanidation gold extraction component 7, the additional heat supply to the second liquid-solid separation component 5 and the cyaniding gold extraction component 7 can be reduced, and the converted waste heat can also be used for the processes of heating and comprehensive recovery in a plant area, waste liquid treatment and the like.

According to the refractory gold ore treatment system provided by the embodiment of the invention, the first waste heat utilization component 8 is arranged, so that the waste heat generated by the flash evaporation pressure reduction component 4 can be effectively utilized, and the refractory gold ore treatment system has the characteristics of cyclic utilization, strong adaptability, high conversion rate, energy conservation and emission reduction.

In some embodiments, the refractory gold ore treatment system further comprises a second waste heat utilization assembly 9, and the second waste heat utilization assembly 9 is connected with the pressurized oxygen leaching assembly 3 to treat waste heat generated by the pressurized oxygen leaching assembly 3.

As shown in fig. 1, the residual heat generated in the pressurized oxygen leaching module 3 is treated by the second residual heat utilization module 9, and the second residual heat utilization module 9 treats the residual heat generated in the pressurized oxygen leaching module 3 and then leads the treated residual heat to the pre-cyaniding pretreatment module 6, so that the residual heat is effectively utilized.

In some embodiments, the refractory gold ore treatment system further comprises a third waste heat utilization assembly 10, and the third waste heat utilization assembly 10 is connected with the second liquid-solid separation assembly 5 to treat waste heat generated by the second liquid-solid separation assembly 5.

As shown in fig. 1, the waste heat generated in the second liquid-solid separation component 5 is processed by the third waste heat utilization component 10, and the third waste heat utilization component 10 processes the waste heat generated in the second liquid-solid separation component 5 and then leads the processed waste heat into the raw material preheating component 1, so that the heat requirement of the raw material during preheating is reduced.

In some embodiments, each of the first waste heat utilization assembly 8, the second waste heat utilization assembly 9 and the third waste heat utilization assembly 10 includes one of a waste heat cleaning device 81, a waste heat collecting device 82 and a waste heat conversion device 83, and one of the waste heat cleaning device 81, the waste heat collecting device 82 and the waste heat conversion device 83 is connected to one end of the flash evaporation pressure reduction assembly 4, one end of the pressurized oxygen leaching assembly 3 and one end of the second liquid-solid separation assembly 5 respectively.

In some embodiments, each of the first waste heat utilization assembly 8, the second waste heat utilization assembly 9 and the third waste heat utilization assembly 10 comprises a waste heat cleaning device 81, a waste heat collecting device 82 and a waste heat conversion device 83, one end of the waste heat cleaning device 81 is connected with one end of the flash evaporation pressure reduction assembly 4, one end of the pressure oxygen soaking assembly 3 is connected with one end of the second liquid-solid separation assembly 5, the other end of the waste heat cleaning device 81 is connected with one end of the waste heat collecting device 82, and the other end of the waste heat collecting device 82 is connected with one end of the waste heat conversion device 83, or each of the first waste heat utilization assembly 8, the second waste heat utilization assembly 9 and the third waste heat utilization assembly 10 comprises a waste heat cleaning device 81 and a waste heat collecting device 82, one end of the waste heat cleaning device 81 is connected with one end of the flash evaporation pressure reduction assembly 4, one end of the pressure oxygen soaking assembly 3 is connected with one end of the second liquid-solid separation assembly 5, the other end of the waste heat cleaning device 81 is connected with one end of the waste heat collecting device 82, or the first waste heat utilization assembly 8, the second waste heat utilization assembly 9 and the third waste heat utilization assembly 10 all comprise a waste heat cleaning device 81 and a waste heat conversion device 83, one end of the waste heat cleaning device 81 is connected with one end of the flash evaporation pressure reduction assembly 4, one end of the pressurized oxygen soaking assembly 3 and one end of the second liquid-solid separation assembly 5, the other end of the waste heat cleaning device 81 is connected with one end of the waste heat conversion device 83, or, the first waste heat utilization assembly 8, the second waste heat utilization assembly 9 and the third waste heat utilization assembly 10 all include a waste heat collection device 82 and a waste heat conversion device 83, one end of the waste heat collection device 82 is connected with one end of the flash evaporation pressure reduction assembly 4, one end of the pressurized oxygen soaking assembly 3 and one end of the second liquid-solid separation assembly 5, and the other end of the waste heat collection device 82 is connected with one end of the waste heat conversion device 83.

As shown in fig. 1, the first waste heat utilization assembly 8 includes a waste heat cleaning device 81, a waste heat collecting device 82 and a waste heat conversion device 83, the waste heat cleaning device 81 is connected to the flash evaporation pressure reduction assembly 4, the waste heat collecting device 82 is connected to the waste heat cleaning device 8, the waste heat conversion device 83 is connected to the waste heat collecting device 82, the second waste heat utilization assembly 9 includes a waste heat cleaning device 81 and a waste heat collecting device 82, the waste heat cleaning device 81 is connected to the pressurized oxygen leaching assembly 3, the waste heat collecting device 82 is connected to the waste heat cleaning device 8, the third waste heat utilization assembly 10 includes a waste heat conversion device 83, and the waste heat conversion device 83 is connected to the second liquid-solid separation assembly 5.

According to the cleanness degree and the converted form of the waste heat, the device in the waste heat utilization assembly can be increased or decreased for adjustment so as to adapt to the waste heat recovery and utilization of different parts, the adaptability and the controllability of the refractory gold ore treatment system are enhanced, and meanwhile, the heat circulation in the refractory gold ore treatment system can be finely controlled.

In some embodiments, the first waste heat utilization assembly 8, the second waste heat utilization assembly 9, and the third waste heat utilization assembly 10 further include a waste heat utilization device 84, and the waste heat utilization device 84 is one or more of the raw material preheating assembly 1, the second liquid-solid separation assembly 5, the pre-cyanidation pretreatment assembly 6, and the cyanidation gold extraction assembly 7.

As shown in fig. 1, in the first waste heat utilization assembly 8, the waste heat conversion device 83 is connected with the waste heat utilization device 84, the waste heat utilization device 84 is composed of the second liquid-solid separation assembly 5 and the cyaniding gold extraction assembly 7, in the second waste heat utilization assembly 9, the waste heat utilization device 84 is connected with the waste heat collection device 82, the waste heat utilization device 84 is a pre-cyaniding pretreatment assembly 6, in the third waste heat utilization assembly 10, the waste heat utilization device 84 is connected with the waste heat conversion device 83, and the waste heat utilization device 84 is a raw material preheating assembly 1.

Through setting up waste heat utilization device 84, can let in the waste heat circulation after handling in first waste heat utilization subassembly 8, second waste heat utilization subassembly 9 and the third waste heat utilization subassembly 10 to suitable subassembly, reduce the heat consumption in the refractory gold ore processing system, have the characteristics that reduce the heat supply.

In some embodiments, the waste heat utilization device 84 is one or more of a heat exchanger (not shown), a direct heating device (not shown), a coil heating device (not shown), and a heating radiator (not shown).

After the waste heat processed in the first waste heat utilization assembly 8, the second waste heat utilization assembly 9 and the third waste heat utilization assembly 10 is circularly led to a proper assembly, the waste heat utilization device 84 can be connected with a heat exchanger, a direct heating device, a coil heating device and a heating radiator to further utilize the waste heat, and the method is not limited to be used in a refractory gold ore processing system.

In some embodiments, the waste heat cleaning device 81 is one or more of a multi-phase medium separator (not shown), a scrubber (not shown), and a harmful substance absorber (not shown).

In the process of cleaning the waste heat, the exhausted steam is cleaned in different forms according to the technological process so as to ensure that the subsequent utilization process is not polluted, wherein the multi-phase medium separation adopts centrifugal separation, Venturi separation and the like, the harmful substance absorber cleans the exhausted steam by absorbing the harmful substances in the exhausted steam, the scrubber is a tower type scrubber or a bed type scrubber, and the adopted detergent is one of pure water, process water solution or process multi-phase medium scrubbing.

In some embodiments, the waste heat collecting device 82 is one or more of a thermal insulation and pressure retention type collector (not shown), a thermal insulation and pressure reduction type collector (not shown), a temperature and pressure reduction type collector (not shown), and a thermal insulation and pressure increase type collector (not shown).

After the waste heat is cleaned, certain pressure can be kept in the equipment, and according to the characteristics of heat source steam exhaust everywhere, when the waste heat is collected, different forms are used for collection, and the collection modes comprise but are not limited to multiple modes such as heat preservation and pressure retention, heat preservation and pressure reduction, temperature and pressure reduction, heat preservation and pressure increase and the like.

In some embodiments, the waste heat conversion device 83 is a waste heat generator or a waste heat heater. The waste heat conversion device 83 converts the waste heat into other forms of heat carriers, and further utilizes the heat carriers, such as electricity, steam or hot water, and then utilizes the subsequent heat.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.