Low-temperature pyrolysis hot blast stove

Abstract

The utility model belongs to the technical field of hot-blast stoves, and particularly relates to a low-temperature pyrolysis hot-blast stove. A low-temperature pyrolysis hot blast stove comprises a stove body, a heat exchange pipe is fixedly installed in the stove body, a liquid spraying pipe is fixedly installed at one end of the heat exchange pipe, a liquid storage tank is arranged on one side of the stove body, a liquid inlet pipe is fixedly installed at the top of the liquid storage tank, and a liquid conveying pump is fixedly connected to one side of the liquid storage tank; a liquid conveying pipe is fixedly installed at the liquid outlet end of the liquid conveying pump, one end of the liquid conveying pipe extends into the furnace body and is fixedly connected with one end of a heat exchange pipe, a combustion base is fixedly installed on the inner wall of the bottom of the furnace body, a plurality of liquid grooves and a flow collecting groove are formed in the top of the combustion base, and the liquid grooves communicate with the flow collecting groove. The low-temperature pyrolysis hot-blast stove has the advantages that organic waste gas and organic waste liquid can be incinerated, the application range of the hot-blast stove is widened, and fuel can be saved through combustion of the organic waste liquid.

Description

Technical Field

[0001] The utility model belongs to the technical field of hot blast furnaces, and in particular relates to a low-temperature pyrolysis hot blast furnace. Background Art

[0002] Hot blast furnace is a thermal power machine. It has become a replacement product for electric heat source and traditional steam power heat source in many industries, and can provide heat for low-temperature pyrolysis equipment. There are many varieties and series of hot blast furnaces. They are divided into manual burning and machine burning according to the coal adding method, and divided into coal, oil, gas furnaces, etc. according to the fuel type.

[0003] The utility model patent with publication number CN209541154U, 2019 discloses a low-temperature hot air furnace for low calorific value fuels, including a burner, a combustion chamber, a premixing chamber, and a mixing chamber. The burner outlet is connected to the combustion chamber, and the combustion chamber, the premixing chamber, and the mixing chamber are connected horizontally. The lower end of the premixing chamber is provided with an air inlet, and the upper end of the mixing chamber is provided with an air outlet. A ceramic honeycomb body for heat storage is provided inside the combustion chamber. The premixing chamber is in the form of a sleeve, which is composed of two concentric cylinders with different diameters. A cavity is formed between the two concentric cylinders. The air inlet is arranged on the outer cylinder, and a number of injection holes are evenly arranged on the inner cylinder. An independent combustion chamber is set and a heat storage body is placed, which is conducive to the stable combustion of low calorific value fuels, uniform temperature distribution, and uniform airflow distribution. The circulating air is evenly sprayed into the premixing chamber furnace and evenly mixed with the exhaust gas after combustion, so that the heated gas can achieve a uniform temperature field at a shorter distance. However, when the low-temperature hot air furnace is in use, it can only incinerate organic waste gas.

[0004] Therefore, it is necessary to provide a new low-temperature pyrolysis hot air furnace to solve the above technical problems. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a low-temperature pyrolysis hot blast furnace which can incinerate organic waste gas and organic waste liquid, improve the use range of the hot blast furnace, and save fuel by burning organic waste liquid.

[0006] In order to solve the above technical problems, the utility model provides a low-temperature pyrolysis hot air furnace adopts the following technical solutions:

[0007] A low-temperature pyrolysis hot air furnace comprises a furnace body, a heat exchange tube is fixedly installed in the furnace body, a liquid spray pipe is fixedly installed at one end of the heat exchange tube, a liquid storage tank is provided on one side of the furnace body, a liquid inlet pipe is fixedly installed on the top of the liquid storage tank, an infusion pump is fixedly connected to one side of the liquid storage tank, an infusion pipe is fixedly installed at the liquid outlet end of the infusion pump, one end of the infusion pipe extends into the furnace body and is fixedly connected to one end of the heat exchange tube, a combustion seat is fixedly installed on the bottom inner wall of the furnace body, a plurality of liquid troughs and confluence troughs are provided on the top of the combustion seat, and the plurality of liquid troughs are all connected to the confluence trough, a drain pipe is fixedly installed on one side of the combustion seat, and one end of the drain pipe extends outside the furnace body and is fixedly connected to the furnace body.

[0008] As a further solution of the utility model, an exhaust gas inlet pipe is fixedly installed on the top of the furnace body, and an air duct is fixedly installed on one side of the furnace body.

[0009] As a further solution of the utility model, a mounting tube is fixedly mounted on the furnace body, a burner flange is fixedly mounted on one end of the mounting tube, a burner is fixedly mounted on the burner flange by bolts, and a fuel inlet pipe is fixedly mounted on the top of the burner.

[0010] As a further solution of the utility model, a filter plate is slidably installed in the liquid storage box, the top of the filter plate extends to the outside of the liquid storage box, and a handle is fixedly installed on the top of the filter plate.

[0011] As a further solution of the utility model, a plurality of liquid outlet pipes are fixedly installed at the bottom of the liquid spray pipe, and the plurality of liquid outlet pipes correspond one by one to the plurality of liquid tanks respectively.

[0012] As a further solution of the utility model, the top surface of the combustion seat is an inclined surface, and the multiple liquid grooves are all inclinedly arranged.

[0013] Compared with the related art, the low-temperature pyrolysis hot air furnace provided by the utility model has the following beneficial effects:

[0014] The utility model can incinerate organic waste gas and organic waste liquid, and reduce fuel consumption through the combustion of organic waste liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting part of the present application are used to provide a further understanding of the present application. The exemplary embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. Among them:

[0016] Figure 1 A schematic diagram of the three-dimensional structure of a low-temperature pyrolysis hot air furnace provided by the utility model;

[0017] Figure 2A schematic cross-sectional view of the low-temperature pyrolysis hot air furnace provided by the utility model;

[0018] Figure 3 A schematic diagram of the partial explosion structure of the low-temperature pyrolysis hot air furnace provided by the utility model;

[0019] Figure 4 This is a schematic diagram of the partial structure of the low-temperature pyrolysis hot air furnace provided by the utility model.

[0020] In the figure: 1. furnace body; 2. heat exchange tube; 3. liquid spray pipe; 4. liquid storage tank; 5. liquid inlet pipe; 6. liquid infusion pump; 7. liquid infusion pipe; 8. combustion seat; 9. liquid tank; 10. confluence tank; 11. liquid discharge pipe; 12. exhaust gas inlet pipe; 13. air bleed pipe; 14. mounting pipe; 15. burner flange; 16. burner; 17. fuel inlet pipe; 18. filter plate; 19. handle; 20. liquid outlet pipe. DETAILED DESCRIPTION

[0021] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments. Each example is provided by way of explanation of the present application and does not limit the present application. In fact, it will be clear to those skilled in the art that modifications and variations may be made in the present application without departing from the scope or spirit of the present application. For example, a feature shown or described as a part of an embodiment may be used in another embodiment to produce yet another embodiment. All other embodiments obtained by those of ordinary skill in the art based on the embodiments in the present utility model embodiments shall fall within the scope of protection of the present utility model embodiments.

[0022] Example

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 A low-temperature pyrolysis hot air furnace comprises a furnace body 1, a heat exchange tube 2 is fixedly installed in the furnace body 1, a liquid spraying tube 3 is fixedly installed at one end of the heat exchange tube 2, a liquid storage tank 4 is arranged on one side of the furnace body 1, a liquid inlet pipe 5 is fixedly installed on the top of the liquid storage tank 4, a liquid infusion pump 6 is fixedly connected to one side of the liquid storage tank 4, a liquid infusion pipe 7 is fixedly installed at the liquid outlet end of the liquid infusion pump 6, one end of the liquid infusion pipe 7 extends into the furnace body 1 and is fixedly connected to one end of the heat exchange tube 2, a combustion seat 8 is fixedly installed on the inner wall of the bottom of the furnace body 1, a plurality of liquid tanks 9 and a confluence tank 10 are provided on the top of the combustion seat 8, and the plurality of liquid tanks 9 are all connected to the confluence tank 10, a liquid discharge pipe 11 is fixedly installed on one side of the combustion seat 8, and one end of the liquid discharge pipe 11 extends to the outside of the furnace body 1 and is fixedly connected to the furnace body 1.

[0024] like Figure 1 and Figure 2As shown, an exhaust gas inlet pipe 12 is fixedly installed on the top of the furnace body 1, and an air duct 13 is fixedly installed on one side of the furnace body 1;

[0025] By providing the waste gas inlet pipe 12 and the air duct 13 , it is possible to easily introduce the waste gas into the furnace body 1 , and the air can be induced through the air duct 13 to make the gas in the furnace body 1 flow.

[0026] like Figure 3 As shown, a mounting tube 14 is fixedly mounted on the furnace body 1, a burner flange 15 is fixedly mounted on one end of the mounting tube 14, a burner 16 is fixedly mounted on the burner flange 15 by bolts, and a fuel inlet pipe 17 is fixedly mounted on the top of the burner 16;

[0027] By providing the mounting pipe 14 , the burner flange 15 , the burner 16 and the fuel inlet pipe 17 , it is possible to conveniently mount the burner 16 on the furnace body 1 to burn the organic waste gas and organic waste liquid in the furnace body 1 .

[0028] like Figure 1 As shown, a filter plate 18 is slidably installed in the liquid storage tank 4, the top of the filter plate 18 extends to the outside of the liquid storage tank 4, and a handle 19 is fixedly installed on the top of the filter plate 18;

[0029] By providing the filter plate 18 and the handle 19, the waste liquid in the liquid storage tank 4 can be filtered, and the filter plate 18 can be easily pulled out for cleaning.

[0030] like Figure 4 As shown, a plurality of liquid outlet pipes 20 are fixedly installed at the bottom of the liquid spray pipe 3, and the plurality of liquid outlet pipes 20 correspond to the plurality of liquid tanks 9 one by one;

[0031] By providing the liquid outlet pipe 20 , it is possible to facilitate the organic waste liquid in the liquid injection pipe 3 to be respectively introduced into the plurality of combustion seats 8 .

[0032] like Figure 2 As shown, the top surface of the combustion seat 8 is an inclined surface, and the plurality of liquid tanks 9 are all inclinedly arranged;

[0033] By making the top surface of the combustion seat 8 an inclined surface and the liquid tank 9 inclined, it is possible to facilitate the flow of the organic waste liquid in the liquid tank 9.

[0034] The working principle of the low-temperature pyrolysis hot air furnace provided by the utility model is as follows:

[0035] When in use, the organic waste gas is introduced into the furnace body 1 through the waste gas inlet pipe 12, and the burner 16 is started to burn the organic waste gas introduced into the furnace body 1. The infusion pump 6 is started to extract the organic waste liquid in the liquid storage tank 4 and introduce it into the heat exchange tube 2 through the infusion pipe 7. After heat exchange in the heat exchange tube 2, the organic waste liquid is preheated to facilitate the combustion of the organic waste liquid, and then flows into the liquid tank 9 through the spray pipe 3 and the liquid outlet pipe 20, and the organic waste liquid is burned by the burner 16. At the same time, after the organic waste liquid is burned, the fuel consumption can be reduced.

[0036] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0037] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0038] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A low-temperature pyrolysis hot air furnace, characterized in that: The invention comprises a furnace body, in which a heat exchange tube is fixedly installed, a liquid spraying tube is fixedly installed at one end of the heat exchange tube, a liquid storage tank is arranged on one side of the furnace body, a liquid inlet tube is fixedly installed on the top of the liquid storage tank, an infusion pump is fixedly connected to one side of the liquid storage tank, an infusion tube is fixedly installed at the liquid outlet end of the infusion pump, one end of the infusion tube extends into the furnace body and is fixedly connected to one end of the heat exchange tube, a combustion seat is fixedly installed on the bottom inner wall of the furnace body, a plurality of liquid troughs and confluence troughs are provided on the top of the combustion seat, the plurality of liquid troughs are all connected to the confluence trough, a drain pipe is fixedly installed on one side of the combustion seat, one end of the drain pipe extends outside the furnace body and is fixedly connected to the furnace body.

2. The low-temperature pyrolysis hot air furnace according to claim 1, characterized in that: An exhaust gas inlet pipe is fixedly installed on the top of the furnace body, and an air duct is fixedly installed on one side of the furnace body.

3. The low-temperature pyrolysis hot air furnace according to claim 1, characterized in that: A mounting tube is fixedly mounted on the furnace body, a burner flange is fixedly mounted on one end of the mounting tube, a burner is fixedly mounted on the burner flange by bolts, and a fuel inlet pipe is fixedly mounted on the top of the burner.

4. The low-temperature pyrolysis hot air furnace according to claim 1, characterized in that: A filter plate is slidably mounted in the liquid storage box, the top of the filter plate extends out of the liquid storage box, and a handle is fixedly mounted on the top of the filter plate.

5. The low-temperature pyrolysis hot air furnace according to claim 1, characterized in that: A plurality of liquid outlet pipes are fixedly installed at the bottom of the liquid spray pipe, and the plurality of liquid outlet pipes correspond to the plurality of liquid tanks one by one respectively.

6. The low-temperature pyrolysis hot air furnace according to claim 1, characterized in that: The top surface of the combustion seat is an inclined surface, and the plurality of liquid grooves are all arranged inclinedly.

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