Safety control device for chemical heating furnace

Abstract

The utility model belongs to the technical field of heating furnaces, and particularly relates to a safety control device for a chemical heating furnace, which comprises a combustion furnace seat, a fuel barrel used for storing fuel is arranged outside the combustion furnace seat, the fuel barrel conveys the fuel into the combustion furnace seat through a feeding pipe, and a valve is arranged on the feeding pipe. A sealing box is arranged on a pipe body of the feeding pipe, a vertical linkage rod is arranged on the top of the sealing box in an attached and sliding penetrating mode, and the bottom end of the linkage rod is located in an inner cavity of the sealing box and the feeding pipe and provided with a sealing baffle. According to the utility model, when chemical liquid in the furnace body is heated to a boiling state and lasts for a long time, steam generated by the chemical liquid is accumulated and huge pressure is generated, the pressure pushes the sealing base plate to ascend to form a mechanical transmission power source, and the sealing baffle plate descends under a series of transmission of the transmission component, so that the chemical liquid is heated to a boiling state. And the feeding pipe is completely blocked, so that fuel supply is blocked, and safety accidents caused by too long heating of the chemical liquid are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of heating furnaces, in particular to a safety control device for chemical heating furnaces. Background Art

[0002] A heating furnace is a device used to heat materials to the required temperature and is widely used in various fields of industrial production. Its function is to heat materials to a certain temperature to change their physical or chemical properties and provide suitable conditions for subsequent processes. There are many types of heating furnaces. According to different heating methods, they can be divided into electric heating furnaces, gas heating furnaces, oil heating furnaces, etc.

[0003] During the heating process of the heating furnace, once the heating furnace overheats and boils the liquid for a long time, it may cause a safety accident. Therefore, it is necessary to develop a safety control device for chemical heating furnaces. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0006] A safety control device for a chemical heating furnace, comprising:

[0007] A combustion furnace seat, wherein a fuel barrel for storing fuel is disposed outside the combustion furnace seat, and the fuel barrel delivers fuel into the combustion furnace seat through a feeding pipe, and a valve is disposed on the feeding pipe;

[0008] A sealing box, the tube body of the feeding tube is provided with a sealing box, the top of the sealing box is fitted and slidably penetrated with a vertical linkage rod, the bottom end of the linkage rod is located at the inner cavity of the sealing box and the feeding tube and is provided with a sealing baffle, and the top end of the linkage rod is provided with a vertical second rack;

[0009] The descending linkage rod drives the sealing baffle to seal the feeding pipe; the ascending linkage rod drives the sealing baffle to open the feeding pipe;

[0010] A furnace body, the top of the combustion furnace seat is provided with a furnace body, the top of the furnace body is provided with a fixed pipe communicating with the inner cavity of the furnace body, a vertical lifting rod is slidably penetrated through the inner side of the fixed pipe, a sealing pad is provided at the lower end of the lifting rod, and a vertical first rack is provided at the upper end;

[0011] The furnace body is provided with a transmission assembly, and when the lifting rod is raised, the sealing baffle is driven to descend through the transmission assembly; when the lifting rod is lowered, the sealing baffle is driven to rise through the transmission assembly.

[0012] As a preferred solution of the safety control device for a chemical heating furnace described in the utility model, a visual window is arranged on the outside of the fuel barrel, a filling pipe connected to the inner cavity of the fuel barrel is arranged on the top of the fuel barrel, and a sealing cover is threadedly sealed on the filling pipe.

[0013] As a preferred solution of the safety control device for a chemical heating furnace described in the utility model, a blower is arranged outside the combustion furnace seat, and the air outlet end of the blower inputs air into the combustion furnace seat through an air supply pipe.

[0014] As a preferred solution of the safety control device for a chemical heating furnace described in the utility model, the sealing baffle and the inner side of the sealing box are interference fit, and the sealing pad and the inner side of the fixed tube are interference fit.

[0015] As a preferred solution of the safety control device for a chemical heating furnace described in the utility model, wherein: a feed pipe connected to the inner cavity of the furnace body is arranged on the top of the furnace body, a sealing cover 2 is screwed and sealed on the feed pipe, a discharge pipe connected to the inner cavity of the furnace body is arranged on the bottom of the side wall of the furnace body, and a discharge valve is arranged on the discharge pipe.

[0016] As a preferred solution of a safety control device for a chemical heating furnace described in the utility model, the transmission assembly includes a bracket one arranged on the front and rear sides of the top of the furnace body, a horizontal rotating rod one is rotatably arranged between the side walls of the two brackets one, a hand-cranked wheel is arranged at the front end of the rotating rod one, a gear one and a worm are arranged on the rod body of the rotating rod one, the gear one is meshed with the first rack, a bracket two is arranged on the top of the furnace body on one side of the worm, a rotating rod two is rotatably arranged on the side wall of the bracket two, the rotating rod two is located below the rotating rod one and is perpendicular to it, and a worm wheel meshing with the worm is arranged on the rod body of the rotating rod two.

[0017] As a preferred solution of the safety control device for a chemical heating furnace described in the utility model, the transmission assembly further includes a bracket three arranged on the side wall of the furnace body, the side wall of the bracket three is rotatably provided with a horizontal rotating rod three, and the rod body of the rotating rod three is provided with a gear two meshing with a second rack.

[0018] As a preferred solution of a safety control device for a chemical heating furnace described in the utility model, the transmission assembly also includes a bracket four arranged on the top of the furnace body, the rod body of the rotating rod two and the rod body of the rotating rod three respectively rotate through the side walls of the bracket four, and are respectively provided with a gear three and a gear four meshing with the gear three.

[0019] The beneficial effect of the utility model is that when the chemical liquid inside the furnace body is heated to a boiling state and lasts for too long, the steam generated by it will accumulate and generate huge pressure, and this pressure will push the sealing pad, the lifting rod and the first rack to rise, forming a power source for mechanical transmission, and the rising first rack drives the gear one and the worm to rotate, thereby driving the rotating rod two to rotate through the worm gear; and then through the transmission of the gear three and the gear four, the rotating rod three and the rotating rod two rotate in the opposite direction, so that the gear two drives the second rack, the linkage rod and the sealing baffle to descend, and when the sealing baffle descends to a certain position, the feeding pipe will be completely blocked, thereby blocking the fuel supply, thereby preventing the chemical liquid from being heated for too long and causing a safety accident. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 For this utility model Figure 1 Schematic diagram of the structure of the middle A area;

[0023] Figure 3 For this utility model Figure 1 A schematic diagram of the structure in a side view direction;

[0024] Figure 4 This is a schematic diagram of the structure of the internal components of the sealing box cross section of the utility model;

[0025] Figure 5 This is a schematic diagram of the structure of the internal components of the fixed pipe section of the utility model;

[0026] Figure 6 For this utility model Figure 1 Schematic diagram of the structure from a top-down perspective;

[0027] Figure 7 For this utility model Figure 6 Schematic diagram of the structure of area B.

[0028] In the figure: a combustion furnace base 100, a fuel barrel 110, a feed pipe 120, a valve 130, a visual window 140, a filling pipe 150, a sealing cover 1 160, a sealing box 200, a linkage rod 210, a sealing baffle 220, a second rack 230, a furnace body 300, a fixed pipe 310, a lifting rod 320, a sealing pad 330, a first rack 340, a feed pipe 350, a sealing cover 2 360, a discharge pipe 370, a discharge valve 380, a blower 400, an air supply pipe 410, a bracket 1 500, a rotating rod 1 510, a gear 1 520, a worm 530, a bracket 2 540, a rotating rod 2 550, a worm gear 560, a hand wheel 570, a bracket 3 600, a rotating rod 3 610, a gear 2 620, a bracket 4 700, a gear 3 710, and a gear 4 720. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0030] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0031] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0032] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0033] See also Figure 1-Figure 7 , shows a schematic diagram of the structure of a safety control device for a chemical heating furnace according to the utility model, please refer to Figure 1-Figure 7 , a safety control device for chemical heating furnaces is introduced in detail.

[0034] A safety control device for a chemical heating furnace comprises a combustion furnace seat 100, a fuel barrel 110 for storing fuel is arranged outside the combustion furnace seat 100, the fuel barrel 110 delivers fuel to the combustion furnace seat 100 through a feeding pipe 120, and a valve 130 is arranged on the feeding pipe 120;

[0035] The tube body of the feeding tube 120 is provided with a sealing box 200, and a vertical linkage rod 210 is provided on the top of the sealing box 200 to slide through the top. The bottom end of the linkage rod 210 is located at the inner cavity of the sealing box 200 and the feeding tube 120 and is provided with a sealing baffle 220. The top end of the linkage rod 210 is provided with a vertical second rack 230;

[0036] The descending linkage rod 210 drives the sealing baffle 220 to block the feeding pipe 120; the ascending linkage rod 210 drives the sealing baffle 220 to open the feeding pipe 120;

[0037] A furnace body 300 is disposed on the top of the combustion furnace seat 100. A fixed pipe 310 communicating with the inner cavity of the furnace body 300 is disposed on the top of the furnace body 300. A vertical lifting rod 320 is slidably penetrated inside the fixed pipe 310. A sealing pad 330 is disposed at the lower end of the lifting rod 320, and a vertical first rack 340 is disposed at the upper end.

[0038] The furnace body 300 is provided with a transmission assembly, and when the lifting rod 320 rises, the sealing baffle 220 is driven to descend through the transmission assembly; when the lifting rod 320 descends, the sealing baffle 220 is driven to rise through the transmission assembly.

[0039] Furthermore, a visual window 140 is provided on the outer side of the fuel barrel 110, and a filling tube 150 connected to the inner cavity of the fuel barrel 110 is provided on the top of the fuel barrel 110. A sealing cover 160 is threadedly sealed on the filling tube 150. The remaining fuel amount in the fuel barrel 110 can be checked through the visual window 140, and the sealing cover 160 is opened to inject fuel into the fuel barrel 110 through the filling tube 150.

[0040] Furthermore, a blower 400 is arranged outside the combustion furnace seat 100, and the air outlet end of the blower 400 inputs air into the combustion furnace seat 100 through the air supply pipe 410. When the furnace body 300 is heated, the blower 400 is started to continuously supply air through the air supply pipe 410 to assist combustion.

[0041] Furthermore, the sealing baffle 220 and the inner side of the sealing box 200 are interference fit, the sealing pad 330 and the inner side of the fixing tube 310 are interference fit, and the sealing baffle 220 and the sealing pad 330 are made of rubber material with a certain elasticity, thereby improving the sealing performance with the side of the contact object.

[0042] Furthermore, a feed pipe 350 connected to the inner cavity of the furnace body 300 is provided at the top of the furnace body 300, and a sealing cover 2 360 is screwed and sealed on the feed pipe 350. A discharge pipe 370 connected to the inner cavity of the furnace body 300 is provided at the bottom of the side wall of the furnace body 300, and a discharge valve 380 is provided on the discharge pipe 370. The sealing cover 2 360 is opened to inject the chemical liquid to be heated into the furnace body 300. After the heating is completed, the discharge valve 380 is opened to discharge the liquid through the discharge pipe 370.

[0043] Furthermore, the transmission assembly includes a bracket 500 arranged on the front and rear sides of the top of the furnace body 300, a horizontal rotating rod 510 is rotatably arranged between the side walls of the two brackets 500, a hand-cranked wheel 570 is arranged at the front end of the rotating rod 510, a gear 520 and a worm 530 are arranged on the rod body of the rotating rod 510, the gear 520 and the first rack 340 are meshed with each other, a bracket 2 540 is arranged on the top of the furnace body 300 on one side of the worm 530, a rotating rod 2 550 is rotatably arranged on the side wall of the bracket 2 540, the rotating rod 2 550 is located below the rotating rod 1 510 and is perpendicular to it, a worm wheel 560 meshing with the worm 530 is arranged on the rod body of the rotating rod 2 550, and the transmission assembly also includes a bracket 3 600 arranged on the side wall of the furnace body 300, and the side wall of the bracket 3 600 is rotatable. A horizontal rotating rod 3 610 is provided, and a gear 2 620 meshing with the second rack 230 is provided on the rod body of the rotating rod 3 610. The transmission assembly also includes a bracket 4 700 arranged on the top of the furnace body 300. The rod body of the rotating rod 2 550 and the rod body of the rotating rod 3 610 respectively rotate and penetrate the side wall of the bracket 4 700, and are respectively provided with a gear 3 710 and a gear 4 720 meshing with the gear 3 710. The worm 530 and the worm wheel 560 are worm wheels and worms with self-locking function, that is, the lead angle of the worm is smaller than the equivalent friction angle between the meshing teeth of the worm wheel, and reverse self-locking can be achieved, that is, only the worm can drive the worm wheel, but the worm wheel cannot drive the worm, thereby preventing the linkage rod 210 from driving the sealing baffle 220 to descend due to its own weight. The function of the hand wheel 570 is to drive the lifting rod 320 to reset.

[0044] During specific use, when the chemical liquid inside the furnace body 300 is heated to a boiling state and lasts for too long, the steam generated will accumulate and generate huge pressure. This pressure will push the sealing pad 330, the lifting rod 320 and the first rack 340 to rise, forming a power source for mechanical transmission. The rising first rack 340 drives gear one 520 and the worm 530 to rotate, thereby driving the rotating rod two 550 to rotate through the worm gear 560; and then through the transmission of gear three 710 and gear four 720, the rotating rod three 610 and the rotating rod two 550 rotate in the opposite direction, so that the gear two 620 drives the second rack 230, the linkage rod 210 and the sealing baffle 220 to descend. When the sealing baffle 220 descends to a certain position, the feeding pipe 120 will be completely blocked, thereby blocking the fuel supply, thereby preventing the chemical liquid from being heated for too long and causing a safety accident.

[0045] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A safety control device for a chemical heating furnace, characterized in that: include: A combustion grate (100), wherein a fuel barrel (110) for storing fuel is disposed outside the combustion grate (100), and the fuel barrel (110) transports fuel into the combustion grate (100) via a feed pipe (120), and a valve (130) is disposed on the feed pipe (120); A sealing box (200), wherein the tube body of the feeding tube (120) is provided with the sealing box (200), a vertical linkage rod (210) is provided on the top of the sealing box (200) so as to fit and slide through the sealing box, the bottom end of the linkage rod (210) is located in the inner cavity of the sealing box (200) and the feeding tube (120) and is provided with a sealing baffle (220), and a vertical second rack (230) is provided on the top end of the linkage rod (210); The descending linkage rod (210) drives the sealing baffle (220) to block the feeding pipe (120); the ascending linkage rod (210) drives the sealing baffle (220) to open the feeding pipe (120); A furnace body (300), the furnace body (300) is arranged on the top of the combustion furnace seat (100), a fixed pipe (310) communicating with the inner cavity of the furnace body (300) is arranged on the top of the furnace body (300), a vertical lifting rod (320) is slidably penetrated inside the fixed pipe (310), a sealing pad (330) is arranged at the lower end of the lifting rod (320), and a vertical first rack (340) is arranged at the upper end; The furnace body (300) is provided with a transmission assembly, and when the lifting rod (320) rises, the sealing baffle (220) is driven to descend through the transmission assembly; when the lifting rod (320) descends, the sealing baffle (220) is driven to rise through the transmission assembly.

2. A safety control device for a chemical heating furnace according to claim 1, characterized in that: The fuel barrel (110) is provided with a visual window (140) on its outer side, and a filling pipe (150) connected to the inner cavity of the fuel barrel (110) is provided on the top of the fuel barrel (110), and a sealing cover (160) is provided on the filling pipe (150) in a threaded and sealed manner.

3. The safety control device for a chemical heating furnace according to claim 1, characterized in that: A blower (400) is arranged outside the combustion grate seat (100), and an air outlet end of the blower (400) inputs air into the combustion grate seat (100) through an air supply pipe (410).

4. The safety control device for a chemical heating furnace according to claim 1, characterized in that: The sealing baffle (220) and the inner side of the sealing box (200) are in interference fit, and the sealing pad (330) and the inner side of the fixing tube (310) are in interference fit.

5. The safety control device for a chemical heating furnace according to claim 1, characterized in that: A feed pipe (350) communicating with the inner cavity of the furnace body (300) is arranged at the top of the furnace body (300); a sealing cover 2 (360) is screwed and sealed on the feed pipe (350); a discharge pipe (370) communicating with the inner cavity of the furnace body (300) is arranged at the bottom of the side wall of the furnace body (300); a discharge valve (380) is arranged on the discharge pipe (370).

6. The safety control device for a chemical heating furnace according to claim 1, characterized in that: The transmission assembly comprises a bracket (500) arranged on the front and rear sides of the top of the furnace body (300); a horizontal rotating rod (510) is rotatably arranged between the side walls of the two brackets (500); a hand-cranked wheel (570) is arranged at the front end of the rotating rod (510); a gear (520) and a worm (530) are arranged on the rod body of the rotating rod (510); the gear (520) and the first rack (340) are meshed with each other; a bracket (540) is arranged on the top of the furnace body (300) and on one side of the worm (530); a rotating rod (550) is rotatably arranged on the side wall of the bracket (540); the rotating rod (550) is located below the rotating rod (510) and is perpendicular to the rotating rod; and a worm wheel (560) meshing with the worm (530) is arranged on the rod body of the rotating rod (550).

7. A safety control device for a chemical heating furnace according to claim 6, characterized in that: The transmission assembly also includes a third bracket (600) arranged on the side wall of the furnace body (300), the side wall of the third bracket (600) being rotatably provided with a transverse rotating rod (610), and a second gear (620) meshing with the second rack (230) being provided on the body of the third rotating rod (610).

8. A safety control device for a chemical heating furnace according to claim 7, characterized in that: The transmission assembly also includes a bracket four (700) arranged on the top of the furnace body (300), the rod body of the rotating rod two (550) and the rod body of the rotating rod three (610) respectively rotate through the side wall of the bracket four (700), and are respectively provided with a gear three (710) and a gear four (720) meshing with the gear three (710).

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