CN204816020U - Dust collector in production of guide rod flame retardant coating pouring material - Google Patents
Dust collector in production of guide rod flame retardant coating pouring material Download PDFInfo
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- CN204816020U CN204816020U CN201520628788.0U CN201520628788U CN204816020U CN 204816020 U CN204816020 U CN 204816020U CN 201520628788 U CN201520628788 U CN 201520628788U CN 204816020 U CN204816020 U CN 204816020U
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Abstract
The utility model discloses a dust collector in production of guide rod flame retardant coating pouring material belongs to the dust collector technical field in the production of pouring material. The utility model discloses a suction hood and dust catcher, suction hood include the suction hood cover body, suction hood cover circle, vertical pipeline, horizontal pipeline, intercommunication chamber and support post, and the suction hood cover body is big end down's toper pipeline, and the shelter from cloth of suction hood cover circle for enclosing into the cylinder should shelter from the lower border of laying in above -mentioned toper pipeline, the top of the suction hood cover body is linked together with vertical pipeline's one end, and vertical pipeline's the other end is linked together with the one end of horizontal pipeline, and the other end of horizontal pipeline is the intercommunication chamber, should communicate on the chamber locates the support post, and communicate the chamber can be rotatory along the horizontal direction on the support post. The intercommunication chamber is linked together through the pipeline with the dust catcher. The utility model discloses interior bauxite of mixer and magnesia farine can extract a large amount of raise dusts that produce effectively when mixing.
Description
Technical field
The utility model relates to the dust arrester technical field in castable production, more particularly, relates to the dust arrester in the production of a kind of guide bar flame retardant coating castable.
Background technology
When converter smelting terminates, whole slag all floats over molten steel surface, and in converter tapping process, especially after most of molten steel is discharged, at tapping hole place, molten steel can form stronger eddy current, and slag inevitably flows out with molten steel.Owing to containing a large amount of compositions harmful to molten steel in slag, and these harmful components will return at any time or be dissolved in molten steel, affect the degree of purity of molten steel and final steel product quality, simultaneously, a large amount of slags also will consume alloy in different forms, reduce the yield of alloy of liquid steel refining process.For this reason, domestic and international iron and steel enterprise all adopts Converter Skimming technology to control the lower quantity of slag.
In order to improve converter slag-resisting effect, conduct extensive research at pushing off the slag technical elements both at home and abroad, since Japanese invention floating plug tapping slag stopping method in 1970, successively tens kinds of pushing off the slag modes are invented, wherein, floating plug is widely used with high, the lower quantity of slag of its pushing off the slag success rate feature that is few, accurate positioning.Existing floating plug generally comprises floating plug body part and guide bar part, floating plug body part and guide bar part are assembled together use, as Chinese Patent Application No.: 2012201269083, publication date: on October 17th, 2012, invention and created name is: a kind of floating plug of converter tapping, the floating plug of this application case comprises floating plug body and guide bar, guide bar comprises guide bar core and guide bar flame retardant coating, the bottom of guide bar core is provided with guide bar flame retardant coating, and floating plug is all stretched out at the upper and lower two ends of guide bar, and this is external, guide bar core generally selects screw-thread steel.
At present, the conventional preparation method of guide bar flame retardant coating part is: (1), to be cut by steel pipe and be divided into identical two panels, make upper/lower die, upper/lower die is combined into the tubular structure of hollow, the round collar is installed bottom tubular structure, tubular structure top adopts annulus card, then is screwed into post, and the diameter of tubular structure is 40 ~ 50mm; (2), castable slurries are made into bauxite, magnesia powder and bonding agent etc., adopting manually joins in the mould of above described tubular structure by castable slurries, be specially on a vibration table, feed in raw material while vibrate, until castable slurries fill it up with the mould of tubular structure; (3), maintenance the demoulding, the curing period of the demoulding, is: maintenance 24 hours more than 15 DEG C, maintenance 36 hours within 2 ~ 10 DEG C, can not normally produce for less than 5 DEG C, reason is that bonding agent is inoperative, the demoulding after maintenance, also take maintenance 7 ~ 10 days after the demoulding, carrying out high-temperature baking can use.Wherein, in the production process of castable slurries, first need bauxite and magnesia powder to mix in mixer by a certain percentage, add the bonding agent aqueous solution after bauxite and magnesia powder mix, make castable slurries; But, bauxite and magnesia powder are in mixer in mixed process, a large amount of airborne dusts can be produced, the severe contamination environment of working site, to the healthy formation harm of staff, a large amount of airborne dust has taken away bauxite and magnesia powder simultaneously, causes the waste of raw material, and the damage of equipment is easily caused in the inside that a large amount of airborne dust enters field apparatus, adds production cost.
In prior art, the existing technical scheme about removing working site airborne dust is open, as patent publication No.: CN203791071U, publication date: on August 27th, 2014, invention and created name is: a kind of spiral case cyclone dust collectors, and this application case discloses a kind of spiral case cyclone dust collectors, comprises vertical cylinder, and the spiral case be arranged on above vertical cylinder and air inlet pipe, spiral case is provided with blast pipe, and vertical cylinder bottom is cylindrical shell hypocone, and cylindrical shell hypocone is connected with storage ash bucket.These spiral case cyclone dust collectors have the feature such as simple novel, the efficient middle resistance of structure, load adaptability is strong, heat-resisting quantity is strong, good airproof performance, increase flue gas ash removal effect, reduce the discharge of dust in flue gas, reduce the pollution to environment.But this application case also has the following disadvantages: the air inlet pipe of these spiral case cyclone dust collectors is only the pipeline of an air-breathing, for the situation that airborne dust produces in an open space, airborne dust effectively can not be removed by the mode of air-breathing by air inlet pipe.
In sum, how overcoming the deficiency producing a large amount of airborne dust in existing guide bar flame retardant coating castable production process, is the technical problem needing solution in prior art badly.
Utility model content
1. the utility model technical problem that will solve
The purpose of this utility model is to overcome the deficiency producing a large amount of airborne dust in existing guide bar flame retardant coating castable production process, provide the dust arrester in the production of a kind of guide bar flame retardant coating castable, a large amount of airborne dusts produced when effectively can extract bauxite and magnesia powder mixing in mixer.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
Dust arrester in guide bar flame retardant coating castable production of the present utility model, comprises dust shield and dust catcher;
Described dust shield comprises dust shield cover body, dust shield cover circle, vertical pipeline, horizontal pipe, connected chamber and support post;
Described dust shield cover body is up-small and down-big conical pipeline; Described dust shield cover circle is for surrounding columnar shading cloth, and this shading cloth is located at the lower edge of above-mentioned conical pipeline; The top of dust shield cover body is connected with one end of vertical pipeline, the other end of vertical pipeline is connected with one end of horizontal pipe, the other end of horizontal pipe is connected chamber, and this connected chamber is located on support post, and connected chamber can rotate in the horizontal direction on support post;
Described connected chamber is connected by pipeline with dust catcher.
Further improve as the utility model, described dust shield also comprises connecting rod, connection cord and spring;
Upper end and the support post of described connecting rod are rotationally connected, and the lower end of connecting rod is fixed on the upper surface of horizontal pipe; Upper end and the support post of described connection cord are rotationally connected, and the lower end of connection cord is wrapped in the winding post of horizontal pipe upper surface; Connection cord is connected with one section of spring.
Further improve as the utility model, described dust catcher comprises cylindrical shell, hypocone, ash discharge pipeline, dust-removal cloth-bag, unloading valve, air outlet slit pipe, airborne dust inlet tube and negative-pressure air fan;
Be provided with the dust-removal cloth-bag that Open Side Down in described cylindrical shell, the lower end of cylindrical shell is communicated with hypocone, and the lower end of hypocone is communicated with ash discharge pipeline, and this ash discharge pipeline is provided with unloading valve; Described one end of airborne dust inlet tube is connected with the side of hypocone, and the other end of airborne dust inlet tube is rotationally connected with connected chamber and is connected; The upper end of described cylindrical shell is connected with air outlet slit pipe, and this air outlet slit pipe is provided with negative-pressure air fan.
Further improve as the utility model, described winding post comprises rectangular block and T-shaped post;
Described rectangular block is fixed on the upper surface of horizontal pipe, rectangular block is fixed with T-shaped post, and connection cord is wrapped on T-shaped post.
Further improve as the utility model, the lateral wall of described cylindrical shell is provided with vibrating motor.
Further improve as the utility model, the below of described ash discharge pipeline is provided with bulk cement truck.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following beneficial effect:
(1), in the utility model, dust shield cover body can rotate centered by support post, when mixer is started working and is produced airborne dust, can rotary dusting cover cover body easily, fully covered the upper shed of mixer by dust shield cover circle, a large amount of airborne dusts produced when effectively extracting bauxite and magnesia powder mixing in mixer, have beautified working environment, protect the healthy of staff, avoid a large amount of airborne dust and enter the inner equipment damage problem caused of field apparatus; And airborne dust is finally blocked in dust catcher, and by bulk cement truck recycling, greatly saves raw material, reduced production production cost.
(2), in the utility model, when needing in mixer add raw material or quit work, dust shield cover body can be turned on above mixer, during mixer work, rotated above mixer by dust shield cover body, therefore, the use flexibility of dust shield is stronger again; Wherein, upper end and the support post of connecting rod are rotationally connected, and the lower end of connecting rod is fixed on the upper surface of horizontal pipe, and connecting rod and support post, as the fixture of whole dust shield, ensure that the integrally-built stability of dust shield; Upper end and the support post of connection cord are rotationally connected, the lower end of connection cord is wrapped in the winding post of horizontal pipe upper surface, connection cord is connected with one section of spring, during onsite application, spring remains extended state, therefore on connection cord, the moment is full of tension force, thus when dust shield cover body rotates to optional position, connection cord can closely be wrapped in winding post, ensure that dust shield cover body is stably fixed on current problem, all can not shake when making dust shield be in optional position, improve the reliability of device.
(3), in the utility model, after negative-pressure air fan on air outlet slit pipe is opened, negative pressure is formed in cylindrical shell, swimming in airborne dust within the scope of dust shield cover circle due to negative pressure is sucked into cylindrical shell, after the dust-removal cloth-bag in cylindrical shell, dust is trapped in cylindrical shell, along with the long-time use of dust catcher, dust can build up, and now opens vibrating motor and is shaken to fall in bulk cement truck by the dust in cylindrical shell and collect; In the utility model, the opening of multiple dust-removal cloth-bag is covered with the cross section of cylindrical shell, single dust-removal cloth-bag will can lose the effect of interception dust completely once be damaged in use, multiple dust-removal cloth-bag then can not, therefore, the design of multiple dust-removal cloth-bag is higher compared to the designed reliability of single dust-removal cloth-bag.
Accompanying drawing explanation
Fig. 1 is the structural representation of the dust arrester during guide bar flame retardant coating castable of the present utility model is produced;
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Label declaration in accompanying drawing: 2-101, dust shield cover body; 2-102, dust shield cover circle; 2-201, vertical pipeline; 2-202, horizontal pipe; 2-3, connecting rod; 2-4, connection cord; 2-401, spring; 2-501, rectangular block; 2-502, T-shaped post; 2-6, connected chamber; 2-7, bulk cement truck; 2-801, cylindrical shell; 2-802, hypocone; 2-803, ash discharge pipeline; 2-804, dust-removal cloth-bag; 2-805, vibrating motor; 2-806, unloading valve; 2-807, air outlet slit pipe; 2-808, airborne dust inlet tube; 9, mixer; 2-10, support post; 2-11, negative-pressure air fan.
Detailed description of the invention
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
Composition graphs 1 and Fig. 2, the dust arrester in the guide bar flame retardant coating castable production of the present embodiment, comprises dust shield and dust catcher.Dust shield comprises dust shield cover body 2-101, dust shield cover circle 2-102, vertical pipeline 2-201, horizontal pipe 2-202, connected chamber 2-6, support post 2-10, connecting rod 2-3, connection cord 2-4 and spring 2-401.Dust shield cover body 2-101 is up-small and down-big conical pipeline, and dust shield cover circle 2-102 is for surrounding columnar shading cloth, and this shading cloth is located at the lower edge of above-mentioned conical pipeline; A certain piece on above-mentioned shading cloth being come with other partial division, easily dust shield cover circle 2-102 can be covered on the upper shed of mixer 9 by starting this part shading cloth.The top of dust shield cover body 2-101 is connected with one end of vertical pipeline 2-201, the other end of vertical pipeline 2-201 is connected by elbow one end with horizontal pipe 2-202, the other end of horizontal pipe 2-202 is connected chamber 2-6, this connected chamber 2-6 is located on support post 2-10, and connected chamber 2-6 can rotate in the horizontal direction on support post 2-10.
In the present embodiment, connecting rod 2-3 is one section of reinforcing bar, and upper end and the support post 2-10 of connecting rod 2-3 are rotationally connected, and the lower end of connecting rod 2-3 is fixed on the upper surface of horizontal pipe 2-202.Connection cord 2-4 is one section of nylon rope, and upper end and the support post 2-10 of connection cord 2-4 are rotationally connected, and the lower end of connection cord 2-4 is wrapped in the winding post of horizontal pipe 2-202 upper surface.Connection cord 2-4 is connected with one section of spring 2-401.As shown in Figure 2, winding post comprises rectangular block 2-501 and T-shaped post 2-502, rectangular block 2-501 is fixed on the upper surface of horizontal pipe 2-202, rectangular block 2-501 is fixed with T-shaped post 2-502, connection cord 2-4 is wrapped on T-shaped post 2-502, and connection cord 2-4 is limited in the region of regulation by the top of rectangular block 2-501 and T-shaped post 2-502.
In the present embodiment, dust catcher comprises cylindrical shell 2-801, hypocone 2-802, ash discharge pipeline 2-803, dust-removal cloth-bag 2-804, vibrating motor 2-805, unloading valve 2-806, air outlet slit pipe 2-807, airborne dust inlet tube 2-808, bulk cement truck 2-7 and negative-pressure air fan 2-11, the lateral wall of cylindrical shell 2-801 is provided with vibrating motor 2-805, the dust-removal cloth-bag 2-804 that Open Side Down is provided with in cylindrical shell 2-801, above-mentioned dust-removal cloth-bag 2-804 has multiple, the opening of multiple dust-removal cloth-bag 2-804 is covered with the cross section of cylindrical shell 2-801, in the present embodiment, the quantity of dust-removal cloth-bag 2-804 is 4.The lower end of cylindrical shell 2-801 is communicated with hypocone 2-802, hypocone 2-802 is the pipeline that upper end open is large, lower ending opening is little, the lower end of hypocone 2-802 is communicated with ash discharge pipeline 2-803, and this ash discharge pipeline 2-803 is provided with unloading valve 2-806, and the below of ash discharge pipeline 2-803 is provided with bulk cement truck 2-7.One end of airborne dust inlet tube 2-808 is connected with the side of hypocone 2-802, and the other end of airborne dust inlet tube 2-808 is rotationally connected with connected chamber 2-6 and is connected.The upper end of cylindrical shell 2-801 is connected with air outlet slit pipe 2-807, and this air outlet slit pipe 2-807 is provided with negative-pressure air fan 2-11.
Dust arrester in the guide bar flame retardant coating castable production of the present embodiment, when bauxite and magnesia powder mix and produce a large amount of airborne dusts in mixer 9, rotary dusting cover cover body 2-101 makes the dust shield cover circle 2-102 of its lower edge cover the upper shed of mixer 9 completely, open negative-pressure air fan 2-11 and produce suction, the a large amount of airborne dusts produced in mixer 9 are drawn in cylindrical shell 2-801, airborne dust in cylindrical shell 2-801 tackle by dust-removal cloth-bag 2-804, remaining pure air is discharged along air outlet slit pipe 2-807; Regularly open vibrating motor 2-805 simultaneously, the dust collected is shaken, opens unloading valve 2-806, make dust be transported by bulk cement truck 2-7 and carry out follow-up recycling in cylindrical shell 2-801.
In the present embodiment, dust shield cover body 2-101 can rotate centered by support post 2-10, when mixer 9 is started working and is produced airborne dust, can rotary dusting cover cover body 2-101 easily, the upper shed of mixer 9 is fully covered by dust shield cover circle 2-102, the a large amount of airborne dusts produced when effectively extracting bauxite and magnesia powder mixing in mixer 9, beautify working environment, protect the healthy of staff, avoid a large amount of airborne dust and enter the inner equipment damage problem caused of field apparatus; And airborne dust is finally blocked in dust catcher, and by bulk cement truck 2-7 recycling, greatly saves raw material, reduced production production cost.
In the present embodiment, when needing in mixer 9 add raw material or quit work, dust shield cover body 2-101 can be turned on above mixer 9, when mixer 9 works, rotated above mixer 9 by dust shield cover body 2-101, therefore, the use flexibility of dust shield is stronger again, wherein, upper end and the support post 2-10 of connecting rod 2-3 are rotationally connected, the lower end of connecting rod 2-3 is fixed on the upper surface of horizontal pipe 2-202, and connecting rod 2-3 and support post 2-10, as the fixture of whole dust shield, ensure that the integrally-built stability of dust shield, upper end and the support post 2-10 of connection cord 2-4 are rotationally connected, the lower end of connection cord 2-4 is wrapped in the winding post of horizontal pipe 2-202 upper surface, connection cord 2-4 is connected with one section of spring 2-401, during onsite application, spring 2-401 remains extended state, therefore on connection cord 2-4, the moment is full of tension force, thus when dust shield cover body 2-101 rotates to optional position, connection cord 2-4 can closely be wrapped in winding post, ensure that dust shield cover body 2-101 is stably fixed on current problem, all can not shake when making dust shield be in optional position, improve the reliability of device.
In the present embodiment, after negative-pressure air fan 2-11 on air outlet slit pipe 2-807 opens, negative pressure is formed in cylindrical shell 2-801, swimming in airborne dust within the scope of dust shield cover circle 2-102 due to negative pressure is sucked into cylindrical shell 2-801, after the dust-removal cloth-bag 2-804 in cylindrical shell 2-801, dust is trapped in cylindrical shell 2-801, along with the long-time use of dust catcher, dust can build up, and now opens vibrating motor 2-805 and is shaken to fall in bulk cement truck 2-7 by the dust in cylindrical shell 2-801 and collect; In the present embodiment, the opening of multiple dust-removal cloth-bag 2-804 is covered with the cross section of cylindrical shell 2-801, single dust-removal cloth-bag 2-804 will can lose the effect of interception dust completely once be damaged in use, multiple dust-removal cloth-bag 2-804 then can not, therefore, the design of multiple dust-removal cloth-bag 2-804 is higher compared to the designed reliability of single dust-removal cloth-bag 2-804.
Embodiment 2
Dust arrester in the guide bar flame retardant coating castable production of the present embodiment, basic structure is identical with embodiment 1, and its difference is: dust-removal cloth-bag 2-804 has 6, and the opening of 6 dust-removal cloth-bag 2-804 is covered with the cross section of cylindrical shell 2-801.
Embodiment 3
Dust arrester in the guide bar flame retardant coating castable production of the present embodiment, basic structure is identical with embodiment 1, and its difference is: dust-removal cloth-bag 2-804 has 8, and the opening of 8 dust-removal cloth-bag 2-804 is covered with the cross section of cylindrical shell 2-801.
Embodiment 4
Dust arrester in the guide bar flame retardant coating castable production of the present embodiment, basic structure is identical with embodiment 1, and its difference is: dust-removal cloth-bag 2-804 has 10, and the opening of 10 dust-removal cloth-bag 2-804 is covered with the cross section of cylindrical shell 2-801.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (6)
1. the dust arrester in the production of guide bar flame retardant coating castable, is characterized in that: comprise dust shield and dust catcher;
Described dust shield comprises dust shield cover body (2-101), dust shield cover circle (2-102), vertical pipeline (2-201), horizontal pipe (2-202), connected chamber (2-6) and support post (2-10);
Described dust shield cover body (2-101) is up-small and down-big conical pipeline; Described dust shield cover circle (2-102) is for surrounding columnar shading cloth, and this shading cloth is located at the lower edge of above-mentioned conical pipeline; The top of dust shield cover body (2-101) is connected with one end of vertical pipeline (2-201), the other end of vertical pipeline (2-201) is connected with one end of horizontal pipe (2-202), the other end of horizontal pipe (2-202) is connected chamber (2-6), this connected chamber (2-6) is located on support post (2-10), and connected chamber (2-6) can rotate in the horizontal direction on support post (2-10);
Described connected chamber (2-6) is connected by pipeline with dust catcher.
2. the dust arrester in guide bar flame retardant coating castable production according to claim 1, is characterized in that: described dust shield also comprises connecting rod (2-3), connection cord (2-4) and spring (2-401);
Upper end and the support post (2-10) of described connecting rod (2-3) are rotationally connected, and the lower end of connecting rod (2-3) is fixed on the upper surface of horizontal pipe (2-202); Upper end and the support post (2-10) of described connection cord (2-4) are rotationally connected, and the lower end of connection cord (2-4) is wrapped in the winding post of horizontal pipe (2-202) upper surface; Connection cord (2-4) is connected with one section of spring (2-401).
3. the dust arrester in guide bar flame retardant coating castable production according to claim 1, is characterized in that: described dust catcher comprises cylindrical shell (2-801), hypocone (2-802), ash discharge pipeline (2-803), dust-removal cloth-bag (2-804), unloading valve (2-806), air outlet slit pipe (2-807), airborne dust inlet tube (2-808) and negative-pressure air fan (2-11);
The dust-removal cloth-bag (2-804) that Open Side Down is provided with in described cylindrical shell (2-801), the lower end of cylindrical shell (2-801) is communicated with hypocone (2-802), the lower end of hypocone (2-802) is communicated with ash discharge pipeline (2-803), and this ash discharge pipeline (2-803) is provided with unloading valve (2-806); One end of described airborne dust inlet tube (2-808) is connected with the side of hypocone (2-802), and the other end of airborne dust inlet tube (2-808) is rotationally connected with connected chamber (2-6) and is connected; The upper end of described cylindrical shell (2-801) is connected with air outlet slit pipe (2-807), and this air outlet slit pipe (2-807) is provided with negative-pressure air fan (2-11).
4. the dust arrester in guide bar flame retardant coating castable production according to claim 2, is characterized in that: described winding post comprises rectangular block (2-501) and T-shaped post (2-502);
Described rectangular block (2-501) is fixed on the upper surface of horizontal pipe (2-202), rectangular block (2-501) is fixed with T-shaped post (2-502), connection cord (2-4) is wrapped on T-shaped post (2-502).
5. the dust arrester in guide bar flame retardant coating castable production according to claim 3, is characterized in that: the lateral wall of described cylindrical shell (2-801) is provided with vibrating motor (2-805).
6. the dust arrester in the guide bar flame retardant coating castable production according to claim 3 or 5, is characterized in that: the below of described ash discharge pipeline (2-803) is provided with bulk cement truck (2-7).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113577926A (en) * | 2021-07-30 | 2021-11-02 | 大唐河北发电有限公司马头热电分公司 | Dust collecting system and method for dry discharging of slag bin |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113577926A (en) * | 2021-07-30 | 2021-11-02 | 大唐河北发电有限公司马头热电分公司 | Dust collecting system and method for dry discharging of slag bin |
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