CN211084853U - Hot stove waste gas recovery of high carbon chromite system of recycling - Google Patents
Hot stove waste gas recovery of high carbon chromite system of recycling Download PDFInfo
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- CN211084853U CN211084853U CN201921335424.8U CN201921335424U CN211084853U CN 211084853 U CN211084853 U CN 211084853U CN 201921335424 U CN201921335424 U CN 201921335424U CN 211084853 U CN211084853 U CN 211084853U
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Abstract
The utility model discloses a hot stove waste gas recovery system of high-carbon ferrochrome recycles, relate to high-carbon ferrochrome and smelt technical field, waste gas waste heat absorption unit includes the base of fixed mounting above the mounting substrate, from supreme the concatenation has a district section to join in marriage a section of section and join in succession from the bottom, two district sections join in marriage a section of section and join in a section of section the top of base, the inside of lid, two district sections join in a section of section and join in a section of section and be provided with a heliciform heat exchange tube jointly, the heat that carries in the waste gas, after contacting with the heat exchange tube, under the effect of heat conduction, the heat in the waste gas can be absorbed by the gas or the liquid of relatively low temperature in the heat exchange tube, thereby realize the transfer of, the aging and the loss of the processing equipment are reduced, and the service life is prolonged.
Description
Technical Field
The utility model relates to a technical field is smelted to high carbon ferrochrome, specifically is a hot stove waste gas recovery system of recycling of high carbon ferrochrome.
Background
Ferrochrome is the most important raw material for producing stainless steel, mainly apply to producing stainless steel, ball bearing steel, tool steel, nitriding steel, hot strength steel, quenched and tempered steel, carburizing steel and hydrogen-resistant steel, this is because chromium plays a determining role in stainless steel, determine the stainless steel attribute element only one, this is chromium, every stainless steel must contain a certain amount of chromium, when utilizing the high carbon ferrochrome raw materials to produce stainless steel material, include smelting the process to the high carbon ferrochrome raw materials, this process needs to be finished with the help of the submerged arc furnace.
In the process of smelting by using the submerged arc furnace, a large amount of waste gas is generated in the submerged arc furnace, so that the part of the waste gas needs to be led out from the submerged arc furnace, processed and collected so as to be convenient for use of other procedures, because the waste gas is directly produced from the submerged arc furnace, when the waste gas is led out, the heat in the furnace can be discharged along with the waste gas, thus the waste of energy resources is caused, the production cost is improved due to unreasonable resource utilization, meanwhile, when the waste gas with high-temperature heat is subjected to subsequent processing, the aging speed of processing equipment can be accelerated, the service life is shortened, in addition, the waste gas contains a large amount of smoke, if the waste gas with the smoke is not subjected to filtering processing, if the waste gas with the smoke is directly collected into the waste gas storage tank, on one hand, the air inlet and outlet of the waste gas storage tank can be blocked, which constitutes danger, on the, the increase is also being followed to the volume of smoke and dust, consequently, need regularly clear up the waste gas storage tank, wastes time and energy, consequently, how to carry out the reutilization to the heat that contains in the waste gas, under reduction in production cost's the prerequisite, can realize again that clean waste gas is stored in the jar body, becomes the problem that the skilled person in the art waited to solve urgently, for this reason, the hot stove waste gas recovery of high carbon chromite system of recycling is proposed to technical person in the art.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a hot stove waste gas recovery system of recycling of high carbon chromite has solved how to carry out the reutilization at the heat that contains in waste gas, under reduction in production cost's the prerequisite, can realize again the problem of keeping in the jar body with clean waste gas storage.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a hot stove waste gas recovery system of recycling of high carbon chromite, bears the base including equipment, the top that equipment bore the base is through a mounting substrate of welding mode fixedly connected with, mounting substrate's top is installed waste gas waste heat absorption unit, waste gas dust filter unit, exhaust-gas treatment tower and waste gas conveyer pipe from a left side to the right side in proper order according to the circulation route of waste gas, waste gas keeps in jar built-in the installation in the jar body installing support that sets up in the mounting substrate top, waste gas waste heat absorption unit, waste gas dust filter unit, exhaust-gas treatment tower form tandem structure in proper order, waste gas treatment tower and waste gas keep in and realize concatenating through the waste gas conveyer pipe of a metal material between the jar.
Preferably, the waste gas waste heat absorption unit includes the base of fixed mounting in mounting substrate top, the top fixed mounting of base has a district section to link up a section of thick bamboo, a district section links up a section of thick bamboo of top fixedly connected with two districts of a section of thick bamboo, two district section link up the top fixed mounting of a section of thick bamboo and have the block, the top fixedly connected with of block links up the pipe, the fixed concatenation of the inlet end at linking pipe top has waste gas to advance the pipe, the inside that a spiral helicine heat exchange tube is provided with jointly in a block, two district sections link up a section of thick bamboo and a district section of thick bamboo, the embedded fixedly connected with waste gas exit tube in a side surface of a section of thick bamboo is linked up to two distr.
Preferably, the inlet end and the outlet end of the heat exchange material of the heat exchange tube penetrate through the upper surface of the cover cap and extend to the upper part of the cover cap, and the detachable fixed connection structures are formed between the cover cap and the two section connecting cylinders and between the one section connecting cylinder and the two section connecting cylinders through flange plates.
Preferably, the exhaust gas dust filtering unit comprises a first exhaust gas filtering mechanism and a second exhaust gas filtering mechanism which are fixedly mounted above the mounting substrate respectively, the air inlet ends of one sides of the tops of the first exhaust gas filtering mechanism and the second exhaust gas filtering mechanism are connected with an air inlet three-way pipe together, the air outlet ends of the other sides of the bottoms of the first exhaust gas filtering mechanism and the second exhaust gas filtering mechanism are connected with an air outlet three-way pipe together, the air inlet end of the air inlet three-way pipe is connected with the air outlet end of the exhaust gas waste heat absorption unit in series, and the air outlet end of the air outlet three-way pipe is connected with the air inlet end of the exhaust gas treatment.
Preferably, the first exhaust gas filtering mechanism and the second exhaust gas filtering mechanism are two components with the same size, shape and structure, and the sections of the two air outlet ends of the air inlet three-way pipe and the two air inlet ends of the air outlet three-way pipe are respectively and fixedly connected with a control valve in series.
Preferably, the first waste gas filtering mechanism comprises an outer protective shell fixedly arranged above the mounting substrate, the inner protective shell is fixedly arranged inside the outer protective shell, the inner side of the top of the inner container shell is fixedly connected with a filter element linking frame matched with the inner side of the top of the inner container shell, a waste gas filter element is fixedly arranged at the bottom end face of the filter element linking frame and inside the inner container shell, and the top end of the outer protective shell is fixedly connected with a sealing cover plate.
Preferably, the top and the bottom of the inner part of the outer protective shell and the inner container shell are respectively and correspondingly provided with an air inlet pipe and an air outlet pipe which are connected in series with the air inlet three-way pipe and the air outlet three-way pipe in a penetrating manner, the air inlet pipe and the air outlet pipe are made of hose materials, and the air outlet end of the air inlet pipe extends to the inner part of the waste gas filter element.
Preferably, correspond fixed mounting respectively on the bottom terminal surface of equipment bearing base and have universal gyro wheel and support footing, universal gyro wheel is installed in the outside of supporting the footing, and the quantity of universal gyro wheel and support footing is provided with four at least, and is the distribution of rectangular frame structure on equipment bearing base.
Advantageous effects
The utility model provides a hot stove waste gas recovery system of recycling of high carbon chromite. Compared with the prior art, the method has the following beneficial effects:
1. the waste gas waste heat absorption unit is arranged above the mounting substrate and comprises a base fixedly arranged above the mounting substrate, a first section of connecting cylinder is fixedly arranged above the base, a second section of connecting cylinder is fixedly connected above the first section of connecting cylinder, a cover cap is fixedly arranged above the second section of connecting cylinder, the top end of the cover cap is fixedly connected with a connecting pipe, a waste gas inlet pipe is fixedly connected at the top end of the connecting pipe in series, a spiral heat exchange pipe is jointly arranged inside the cover cap, the second section of connecting cylinder and the first section of connecting cylinder, a waste gas outlet pipe is fixedly connected on one side surface of the second section of connecting cylinder in an embedded mode, heat carried in waste gas is contacted with the heat exchange pipe, and then the heat in the waste gas can be absorbed by gas or liquid with relatively low temperature in the heat exchange pipe under the action of heat conduction, therefore, heat transfer is realized, transferred gas or liquid can be better utilized in other production processes, in addition, after the waste gas carrying heat is cooled, the aging and the loss of the treatment equipment are reduced for subsequent treatment equipment, and the service life is prolonged.
2. The waste gas recycling system for the high-carbon chromite heat furnace comprises a waste gas dust filtering unit arranged above a mounting substrate, and a first waste gas filtering mechanism arranged in the waste gas dust filtering unit, wherein the first waste gas filtering mechanism comprises an outer protective shell fixedly arranged above the mounting substrate, an inner shell is fixedly arranged in the outer protective shell, the inner side of the top of the inner shell is fixedly connected with a filter element connecting frame matched with the inner side of the inner shell, a waste gas filter element is fixedly arranged on the bottom end surface of the filter element connecting frame and positioned in the inner position of the inner shell, a sealing cover plate is fixedly connected to the top end of the outer protective shell, cooled waste gas is introduced into a waste gas filter element arranged in the inner shell, the waste gas filter element can filter the cooled waste gas, smoke contained in the waste gas is filtered, and the subsequent gas storage tank is not easily blocked, the waste gas filter core passes through the filter core and links up the frame and form removable connection structure to after the waste gas filter core uses a period, can change or wash it, structure scientific and reasonable, convenience safe in utilization.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the decomposition structure of the waste heat absorption unit of the present invention;
FIG. 3 is a schematic view of the combined structure of the exhaust gas and dust filtering unit of the present invention;
FIG. 4 is a schematic view of the exhaust gas and dust filtering unit according to the present invention;
fig. 5 is a schematic structural diagram of the first exhaust gas filtering mechanism of the present invention.
In the figure: 1. an equipment carrying base; 2. a mounting substrate; 3. a waste gas waste heat absorption unit; 31. a base; 32. a segment connecting cylinder; 33. two section of connecting cylinders; 34. a heat exchange pipe; 35. capping; 36. connecting the pipe; 37. an exhaust gas inlet pipe; 38. an exhaust gas outlet pipe; 4. an exhaust gas and dust filtering unit; 41. an air inlet three-way pipe; 42. a three-way air outlet pipe; 43. a first exhaust gas filtering mechanism; 431. an outer protective housing; 432. an inner container shell; 433. an exhaust gas filter element; 434. the filter element is connected with the frame; 435. sealing the cover plate; 44. a second exhaust gas filtering mechanism; 45. a control valve; 5. a waste gas treatment tower; 6. an exhaust gas delivery pipe; 7. a waste gas temporary storage tank; 8. and a tank body mounting bracket.
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 work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a hot stove waste gas recovery system of recycling of high-carbon chromite, including equipment bearing base 1, it has universal gyro wheel and support footing to correspond fixed mounting respectively on the bottom terminal surface of equipment bearing base 1, universal gyro wheel is installed in the outside of support footing, the quantity of universal gyro wheel and support footing is provided with four at least, and be the distribution of rectangular frame structure on equipment bearing base 1, the top of equipment bearing base 1 is through welding mode fixedly connected with a mounting substrate 2, waste gas waste heat absorption unit 3, waste gas dust filter unit 4, exhaust gas treatment tower 5 and waste gas conveyer pipe 6 are installed according to the circulation route of waste gas from a left side to the right side in proper order to the top of mounting substrate 2, waste gas jar 7 is built-in and is installed in setting up in the jar body installing support 8 of installation base plate 2 top of keeping in, waste gas waste heat absorption unit, The waste gas treatment tower 5 forms a series connection structure in sequence, and the waste gas treatment tower 5 and the waste gas temporary storage tank 7 are connected in series through a waste gas conveying pipe 6 made of a metal material.
Referring to fig. 2, the exhaust gas residual heat absorbing unit 3 includes a base 31 fixedly mounted on the mounting substrate 2, a first segment connecting cylinder 32 is fixedly mounted on the base 31, a second segment connecting cylinder 33 is fixedly connected on the first segment connecting cylinder 32, a cap 35 is fixedly mounted on the second segment connecting cylinder 33, a connecting pipe 36 is fixedly connected on the top end of the cap 35, an exhaust gas inlet pipe 37 is fixedly connected in series on the top of the connecting pipe 36, a spiral heat exchanging pipe 34 is commonly disposed inside the cap 35, the second segment connecting cylinder 33 and the first segment connecting cylinder 32, an exhaust gas outlet pipe 38 is fixedly connected on one side surface of the second segment connecting cylinder 33 in an embedded manner, and the inlet and outlet ends of heat exchanging substances of the heat exchanging pipe 34 penetrate through the upper surface of the cap 35, and extending to the upper part of the cap 35, and the detachable fixed connection structure is formed between the cap 35 and the two-section connecting cylinder 33 and between the one-section connecting cylinder 32 and the two-section connecting cylinder 33 through flange plates.
Referring to fig. 3-4, the exhaust gas and dust filtering unit 4 includes a first exhaust gas filtering mechanism 43 and a second exhaust gas filtering mechanism 44 respectively fixed above the mounting substrate 2, the inlet ends of the top sides of the first exhaust gas filtering mechanism 43 and the second exhaust gas filtering mechanism 44 are connected with an inlet three-way pipe 41, and the air outlet ends of the other sides of the bottoms of the first waste gas filtering mechanism 43 and the second waste gas filtering mechanism 44 are connected with an air outlet three-way pipe 42 together, the air inlet end of the air inlet three-way pipe 41 is connected with the air outlet end of the waste gas residual heat absorption unit 3 in series, the air outlet end of the air outlet three-way pipe 42 is connected with the air inlet end of the waste gas treatment tower 5 in series, the first waste gas filtering mechanism 43 and the second waste gas filtering mechanism 44 are two components with the same size, shape and structure, and the sections of the two air outlet ends of the air inlet three-way pipe 41 and the sections of the two air inlet ends of the air outlet three-way pipe 42.
Referring to fig. 5, the first exhaust gas filtering mechanism 43 includes an outer protective casing 431 fixedly mounted above the mounting substrate 2, an inner casing 432 is fixedly disposed inside the outer protective casing 431, an inner side of the top of the inner casing 432 is fixedly connected with a filter element connecting frame 434 matched with the inner side of the top of the inner casing 432, an exhaust gas filter element 433 is fixedly mounted on a bottom end surface of the filter element connecting frame 434 and located inside the inner casing 432, a sealing cover plate 435 is fixedly connected to the top end of the outer protective casing 431, an air inlet pipe and an air outlet pipe respectively and correspondingly connected in series with an air inlet three-way pipe 41 and an air outlet three-way pipe 42 are disposed at the top end and the bottom end inside the outer protective casing 431 and the inner casing 432, the air inlet pipe and the air outlet pipe are made of flexible pipe materials.
When in use, firstly, the submerged arc furnace for smelting high carbon ferrochrome is connected with the system in series by virtue of the waste gas inlet pipe 37, after the waste gas carrying heat energy is connected in series, the waste gas is directly led into a cavity formed by the connecting cylinder 32 at one section, the connecting cylinder 33 at two sections, the cover cap 35 and the connecting pipe 36 at one section, the spiral heat exchange pipe 34 is arranged in the cover cap 35, the connecting cylinder 33 at two sections and the connecting cylinder 32 at one section, the heat exchange pipe 34 can be introduced with flowing gas or liquid, the temperature of the gas or liquid is lower than that of the waste gas, therefore, the heat in the waste gas can be absorbed by the gas or liquid flowing in the heat exchange pipe 34 under the action of heat conduction, thereby realizing the heat transfer, leading the transferred gas or liquid to be better utilized in other production procedures, and in addition, after the waste gas carrying heat energy is cooled, for subsequent processing equipment, the ageing and the loss of treatment facility self have been reduced, service life is prolonged, waste gas after the cooling, with the help of air inlet three-way pipe 41, let in first waste gas filtering mechanism 43 and second waste gas filtering mechanism 44's inside respectively and carry out filtration treatment, under the effect of waste gas filter core 433, waste gas obtains effectual filtration, the waste gas that does not contain the smoke and dust is with the help of air outlet three-way pipe 42, enter into and carry out more deep processing in the exhaust-gas treatment tower 5, later with the help of exhaust duct 6, leading-in to save in the waste gas temporary storage tank 7, so that the reuse of other processes.
In the present embodiment, the waste gas treatment tower 5 belongs to the equipment commonly used in the art, and its own structural features and working principle adopt the prior art, which will not be described in detail herein.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a hot stove waste gas recovery system of recycling of high carbon chromite, includes that equipment bears base (1), its characterized in that: the equipment bears the top of base (1) and passes through mounting substrate (2) of welding mode fixedly connected with, the top of mounting substrate (2) installs waste gas waste heat absorption unit (3), waste gas dust filter unit (4), exhaust-gas treatment tower (5) and exhaust duct (6) from a left side to the right side according to the circulation route of waste gas in proper order, still includes waste gas temporary storage tank (7), waste gas temporary storage tank (7) are built-in to be installed in setting up in the jar body installing support (8) of mounting substrate (2) top, waste gas waste heat absorption unit (3), waste gas dust filter unit (4), exhaust-gas treatment tower (5) form the tandem structure in proper order, exhaust-gas treatment tower (5) and waste gas tank temporary storage tank (7) are realized concatenating through exhaust duct (6) of a metal material between.
2. The system of claim 1 for recycling waste gas of high-carbon chromite furnace, wherein: waste gas waste heat absorption unit (3) are including base (31) of fixed mounting in mounting substrate (2) top, the top fixed mounting of base (31) has a district section to link up a section of thick bamboo (32), a district section links up two districts of the top fixedly connected with of a section of thick bamboo (32) and links up a section of thick bamboo (33), the top fixed mounting that two districts link up a section of thick bamboo (33) has a block (35), the top fixedly connected with of block (35) links up pipe (36), the fixed concatenation of the inlet end at linking pipe (36) top has waste gas to advance pipe (37), inside that block (35), two districts link up a section of thick bamboo (33) and a district section of thick bamboo (32) is provided with a spiral helicine heat exchange tube (34) jointly, the embedded fixedly connected with waste gas (38) of one side surface of a section of linking up a section of thick bamboo (33) is located.
3. The system of claim 2 for recycling waste gas of high-carbon chromite furnace, wherein: the inlet end and the outlet end of heat exchange materials of the heat exchange tube (34) penetrate through the upper surface of the cover cap (35) and extend to the upper part of the cover cap (35), and detachable fixed connection structures are formed between the cover cap (35) and the two sections of connecting cylinders (33) and between the one section of connecting cylinder (32) and the two sections of connecting cylinders (33) through flange plates.
4. The system of claim 1 for recycling waste gas of high-carbon chromite furnace, wherein: the waste gas dust filtering unit (4) comprises a first waste gas filtering mechanism (43) and a second waste gas filtering mechanism (44) which are fixedly mounted above the mounting base plate (2) respectively, the air inlet ends of the top sides of the first waste gas filtering mechanism (43) and the second waste gas filtering mechanism (44) are connected with an air inlet three-way pipe (41) together, the air outlet ends of the other sides of the bottoms of the first waste gas filtering mechanism (43) and the second waste gas filtering mechanism (44) are connected with an air outlet three-way pipe (42) together, the air inlet end of the air inlet three-way pipe (41) is connected with the air outlet end of the waste gas waste heat absorption unit (3) in series, and the air outlet end of the air outlet three-way pipe (42) is connected with the air inlet end of the waste gas treatment tower.
5. The system of claim 4 for recycling waste gas of high-carbon chromite furnace, wherein: the first waste gas filtering mechanism (43) and the second waste gas filtering mechanism (44) are two components with the same size, shape and structure, and control valves (45) are fixedly connected in series on sections of two gas outlet ends of the gas inlet three-way pipe (41) and two gas inlet ends of the gas outlet three-way pipe (42).
6. The system of claim 5 for recycling waste gas of high-carbon chromite furnace, wherein: first waste gas filters mechanism (43) including outer protective housing (431) of fixed mounting in mounting substrate (2) top, the inside fixed inner bag casing (432) that is provided with of outer protective housing (431), the inboard fixedly connected with at inner bag casing (432) top links up frame (434) with the filter core of its looks adaptation, the filter core links up the bottom terminal surface of frame (434) and is located the inside position fixed mounting of inner bag casing (432) and has waste gas filter core (433), the top fixedly connected with of outer protective housing (431) seals up apron (435).
7. The system of claim 6 for recycling waste gas of high-carbon chromite furnace, wherein: the top end and the bottom end of the inner part of the outer protection shell (431) and the inner container shell (432) are respectively and correspondingly provided with an air inlet pipe and an air outlet pipe which are connected in series with the air inlet three-way pipe (41) and the air outlet three-way pipe (42) in a penetrating mode, the air inlet pipe and the air outlet pipe are made of hose materials, and the air outlet end of the air inlet pipe extends to the inner part of the waste gas filter element (433).
8. The system of claim 1 for recycling waste gas of high-carbon chromite furnace, wherein: the equipment bearing base is characterized in that universal rollers and supporting feet are respectively and fixedly mounted on the end face of the bottom of the equipment bearing base (1), the universal rollers are mounted on the outer sides of the supporting feet, the number of the universal rollers and the number of the supporting feet are at least four, and the equipment bearing base (1) is distributed in a rectangular frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921335424.8U CN211084853U (en) | 2019-08-17 | 2019-08-17 | Hot stove waste gas recovery of high carbon chromite system of recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921335424.8U CN211084853U (en) | 2019-08-17 | 2019-08-17 | Hot stove waste gas recovery of high carbon chromite system of recycling |
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| Publication Number | Publication Date |
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| CN211084853U true CN211084853U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921335424.8U Active CN211084853U (en) | 2019-08-17 | 2019-08-17 | Hot stove waste gas recovery of high carbon chromite system of recycling |
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| Country | Link |
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| CN (1) | CN211084853U (en) |
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- 2019-08-17 CN CN201921335424.8U patent/CN211084853U/en active Active
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