High-pressure high-temperature furnace with nitride treatment device

Abstract

The utility model discloses a high-pressure high-temperature furnace with a nitride treatment device, which comprises a furnace body, the top end of the furnace body is communicated with a waste gas pipeline, the other end of the waste gas pipeline is communicated with a waste heat utilization component, the waste heat utilization component is communicated with the furnace body through a gas supply pipeline, the waste gas pipeline is provided with a gas exhaust fan, and the gas exhaust fan is provided with a gas outlet. The waste heat utilization assembly is communicated with the nitride treatment assembly through a connecting pipeline; the nitride treatment assembly comprises a tank body, the left side wall of the lower section of the tank body is communicated with one end of a connecting pipeline, and the other end of a mounting seat is fixedly mounted on the spraying assembly. However, due to the fact that only a single-layer spraying head is arranged in the spraying chamber, waste gas cannot make full contact with urea liquid when entering the spraying chamber, and the treatment effect is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a high-pressure and high-temperature furnace with a nitride treatment device. Background Art

[0002] Waste gas treatment refers to the pre-treatment of waste gas generated in industrial sites and factory workshops before it is discharged to meet national standards for waste gas emissions.

[0003] After checking the publication (announcement) number: CN210773472U discloses a high-temperature furnace with a nitride treatment device. This technology discloses "including a furnace, a heat storage chamber, a heat storage body, a first channel and an exhaust pipe, the furnace is provided with a gas pipe for conveying combustion gas, the heat storage body is placed in the heat storage chamber and communicated with the furnace through the first channel, the exhaust pipe is arranged at the upper part of the furnace, and also includes a nitride treatment device, the nitride treatment device includes a circulation fan, a spray head, a gas channel, a liquid circulation channel, a liquid storage tank, a water pump and a spray chamber One end of the gas channel is connected to the exhaust pipe, and the other end is the exhaust end. The circulating fan and the spray chamber are arranged on the gas channel, the spray head is arranged in the spray chamber, one end of the liquid circulation channel is connected to the spray head, and the other end is connected to the bottom of the spray chamber. The water pump is arranged in the liquid storage barrel, which can suck the nitride waste gas from the exhaust pipe into the spray chamber to spray the gas. The nitride and urea liquid react chemically, and the urea reduction method is used for treatment before discharge, which effectively reduces the content of nitride in the waste gas and will not pollute the environment.

[0004] However, the above-mentioned high temperature furnace with a nitride treatment device has the following disadvantages:

[0005] 1. The nitride treatment method in this patent is to introduce the exhaust gas into the spray chamber and use a spray head for spray treatment. However, since only a single layer of spray heads is set in the spray chamber, the exhaust gas cannot fully contact with the urea liquid when entering the spray chamber, which reduces the treatment effect.

[0006] In order to solve the above problems, the present application proposes a high-pressure and high-temperature furnace with a nitride processing device. Utility Model Content

[0007] In view of the problems in the related technology, the utility model provides a high-pressure and high-temperature furnace with a nitride treatment device, which can make the exhaust gas fully contact with the urea liquid and improve the treatment effect.

[0008] To this end, the specific technical solutions adopted by the utility model are as follows:

[0009] A high-pressure and high-temperature furnace with a nitride treatment device, comprising a furnace body, a waste heat utilization component and a nitride treatment component, wherein the top of the furnace body is connected to an exhaust gas pipeline, the other end of the exhaust gas pipeline is connected to the waste heat utilization component, the waste heat utilization component is connected to the furnace body through an air supply pipeline, an exhaust fan is installed on the exhaust gas pipeline, and the waste heat utilization component is connected to the nitride treatment component through a connecting pipeline;

[0010] The nitride treatment assembly includes a tank body, a sealing cover is installed on the top of the tank body through fixing bolts, and the top of the sealing cover is connected to an exhaust pipe, the left side wall of the lower section of the tank body is connected to one end of the connecting pipe, a slide groove is opened on the inner wall of the tank body, and one end of a mounting seat is slidably connected in the slide groove, and the other end of the mounting seat is fixedly installed on the spray assembly, and the right end of the spray assembly is connected to a liquid delivery assembly;

[0011] The spray assembly includes an upper annular spray pipe, one end of a mounting seat is fixedly mounted on the side wall of the upper annular spray pipe, and nozzles are connected to the inner and outer walls of the upper annular spray pipe, the right end of the upper annular spray pipe is connected to the liquid delivery assembly through a connecting seat, the inner wall of the upper annular spray pipe is connected to a bracket pipe, and the other end of the bracket pipe is installed with a lower annular spray pipe after passing through a gas guide plate, the inner and outer walls of the lower annular spray pipe are also connected to nozzles, and the lower annular spray pipe is connected to the upper annular spray pipe through the bracket pipe.

[0012] As a further solution of the utility model, the liquid delivery component includes a liquid storage tank, a liquid supply pump is installed in the inner cavity of the liquid storage tank, and the output end of the liquid supply pump is connected to one end of the liquid delivery pipe, the other end of the liquid delivery pipe is connected to the upper annular spray pipe through a connecting seat, and a liquid inlet is connected on the top wall of the liquid storage tank.

[0013] As a further solution of the utility model, a drain pipe is connected to the middle of the bottom end of the tank body, and a valve is installed on the drain pipe, and the other end of the drain pipe is connected to the liquid storage tank.

[0014] As a further solution of the utility model, the waste heat utilization component includes a preheating tank, a preheating pipe is installed in the inner cavity of the preheating tank, one end of the preheating pipe is connected to the exhaust gas pipe, and the other end of the preheating pipe is connected to the connecting pipe, the left end of the preheating tank is connected to the furnace body through the air supply pipe, and the lower section of the right end of the preheating tank is connected to the air intake pipe.

[0015] As a further solution of the utility model, a supporting leg is fixedly installed on the bottom end of the preheating tank.

[0016] As a further solution of the utility model, a support column is fixedly installed on the bottom end of the tank body.

[0017] As a further solution of the utility model, a lifting lug is fixedly mounted on the upper end surface of the mounting seat.

[0018] The beneficial effects of the utility model are:

[0019] The utility model cooperates with the furnace body, exhaust gas pipeline, waste heat utilization component, exhaust fan, connecting pipeline and nitride treatment component. When in use, the exhaust fan introduces the exhaust gas in the furnace body into the preheating pipeline through the exhaust gas pipeline, and then sends the exhaust gas into the tank body through the connecting pipeline. At the same time, the liquid supply pump works to send the reducing liquid in the liquid storage tank into the upper annular spray pipe and the lower annular spray pipe connected thereto through the liquid delivery pipeline, and then sprays it from the nozzle, so that the exhaust gas entering the tank body can fully contact with the reducing liquid sprayed by the multi-layer nozzle. In this process, the gas guide plate can divert the gas, which can further increase the contact area between the exhaust gas and the reducing liquid sprayed by the nozzle, so that the exhaust gas can fully and thoroughly contact with the reducing liquid, thereby improving the treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 It is a schematic diagram of the overall structure of a high-pressure and high-temperature furnace with a nitride treatment device according to an embodiment of the utility model;

[0022] Figure 2 It is a schematic structural diagram of a waste heat utilization component of a high-pressure and high-temperature furnace with a nitride treatment device according to an embodiment of the utility model;

[0023] Figure 3 It is a schematic diagram of the structure of a part of the nitride treatment assembly of a high pressure and high temperature furnace with a nitride treatment device according to an embodiment of the utility model;

[0024] Figure 4 It is a schematic structural diagram of a liquid delivery component of a high-pressure and high-temperature furnace with a nitride treatment device according to an embodiment of the utility model.

[0025] In the figure:

[0026] 1. Furnace body; 2. Waste heat utilization component; 21. Preheating tank; 22. Preheating pipeline; 23. Air supply pipeline; 24. Air intake pipeline; 3. Nitride treatment component; 4. Waste gas pipeline; 5. Exhaust fan; 6. Connecting pipeline; 7. Tank body; 8. Sealing cover; 9. Exhaust pipeline; 10. Slide; 11. Mounting seat; 12. Spraying component; 121. Upper annular spray pipe; 122. Nozzle; 123. Connecting seat; 124. Bracket pipe; 125. Gas guide plate; 126. Lower annular spray pipe; 13. Liquid delivery component; 131. Liquid storage tank; 132. Liquid supply pump; 133. Liquid delivery pipeline; 14. Liquid discharge pipe; 15. Support leg; 16. Support column; 17. Lifting ear. DETAILED DESCRIPTION

[0027] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0028] According to an embodiment of the utility model, a high-pressure and high-temperature furnace with a nitride processing device is provided.

[0029] Please refer to the instruction manual Figure 1-4According to an embodiment of the utility model, a high-pressure and high-temperature furnace with a nitride treatment device comprises a furnace body 1, a waste heat utilization component 2 and a nitride treatment component 3, the top of the furnace body 1 is connected with an exhaust gas pipe 4, the other end of the exhaust gas pipe 4 is connected with the waste heat utilization component 2, the waste heat utilization component 2 is connected with the furnace body 1 through an air supply pipe 23, an exhaust fan 5 is installed on the exhaust gas pipe 4, the waste heat utilization component 2 is connected with the nitride treatment component 3 through a connecting pipe 6; the nitride treatment component 3 comprises a tank body 7, a support column 16 is fixedly installed at the bottom end of the tank body 7, a cover 8 is installed at the top of the tank body 7 through a fixing bolt, and the top of the cover 8 is connected with an exhaust pipe 9, the left side wall of the lower section of the tank body 7 is connected with one end of the connecting pipe 6, a slide groove 10 is opened on the inner wall of the tank body 7, and the slide groove 10 slides in One end of the mounting seat 11 is connected, and the other end of the mounting seat 11 is fixedly mounted on the spray assembly 12, and the right end of the spray assembly 12 is connected to the liquid delivery assembly 13; the spray assembly 12 includes an upper annular spray pipe 121, one end of the mounting seat 11 is fixedly mounted on the side wall of the upper annular spray pipe 121, and the inner and outer walls of the upper annular spray pipe 121 are both connected to nozzles 122, the right end of the upper annular spray pipe 121 is connected to the liquid delivery assembly 13 through the connecting seat 123, the inner wall of the upper annular spray pipe 121 is connected to a bracket pipe 124, and the other end of the bracket pipe 124 is installed with a lower annular spray pipe 126 after passing through a gas guide plate 125, the inner and outer walls of the lower annular spray pipe 126 are also connected to nozzles 122, and the lower annular spray pipe 126 is connected to the upper annular spray pipe 121 through the bracket pipe 124. The furnace body 1, exhaust gas pipeline 4, waste heat utilization component 2, exhaust fan 5, connecting pipeline 6 and nitride treatment component 3 are arranged to work in coordination. When in use, the exhaust fan 5 introduces the exhaust gas in the furnace body 1 into the preheating pipeline 22 through the exhaust gas pipeline 4, and then sends the exhaust gas into the tank body 7 through the connecting pipeline 6. At the same time, the liquid supply pump 132 works to send the reducing liquid in the liquid storage tank 131 into the upper annular spray pipe 121 and the lower annular spray pipe 126 connected thereto through the liquid delivery pipeline 133, and then sprays it out from the nozzle 122, so that the exhaust gas entering the tank body 7 can fully contact with the reducing liquid sprayed from the multi-layer nozzle 122. In this process, the gas guide plate 125 can divert the gas, which can further increase the contact area between the exhaust gas and the reducing liquid sprayed from the nozzle 122, so that the exhaust gas can fully and thoroughly contact with the reducing liquid, thereby improving the treatment effect.

[0030] In one embodiment, please refer to the attached manual. Figure 1 and Figure 4As a further solution of the utility model, the liquid delivery component 13 includes a liquid storage tank 131, a liquid supply pump 132 is installed in the inner cavity of the liquid storage tank 131, and the output end of the liquid supply pump 132 is connected to one end of the liquid delivery pipe 133, and the other end of the liquid delivery pipe 133 is connected to the upper annular spray pipe 121 through the connecting seat 123, and the top wall of the liquid storage tank 131 is connected with a liquid inlet, and the middle of the bottom end of the tank body 7 is connected with a drain pipe 14, and a valve is installed on the drain pipe 14, and the other end of the drain pipe 14 is connected to the liquid storage tank 131. When in use, the liquid supply pump 132 works first, and the reduction liquid in the liquid storage tank 131 is sent to the upper annular spray pipe 121 and the lower annular spray pipe 126 in the spray component 12 through the liquid delivery pipe 133 connected thereto, and the reduction liquid sprayed in the tank body 7 can enter the liquid storage tank 131 through the drain pipe 14.

[0031] In one embodiment, please refer to the attached manual. Figure 1 and Figure 2 As a further solution of the utility model, the waste heat utilization component 2 includes a preheating tank 21, a preheating pipe 22 is installed in the inner cavity of the preheating tank 21, one end of the preheating pipe 22 is connected to the exhaust pipe 4, and the other end of the preheating pipe 22 is connected to the connecting pipe 6, the left end of the preheating tank 21 is connected to the furnace body 1 through the air supply pipe 23, and the lower right end of the preheating tank 21 is connected to the air intake pipe 24, and the bottom end of the preheating tank 21 is fixedly installed with a support leg 15. When in use, the exhaust fan 5 delivers the exhaust gas in the furnace body 1 into the preheating pipe 22 through the exhaust pipe 4, and then the preheating pipe 22 dissipates the heat in the exhaust gas into the preheating tank 21, which can complete the preheating operation of the gas entering through the air intake pipe 24, reducing energy consumption.

[0032] In one embodiment, please refer to the attached manual. Figure 3 As a further solution of the utility model, a lifting lug 17 is fixedly mounted on the upper end surface of the mounting seat 11. The provided lifting lug 17 can facilitate lifting the spray assembly 12 when it needs to be maintained.

[0033] Working process: when in use, the exhaust fan 5 introduces the exhaust gas in the furnace body 1 into the preheating pipe 22 through the exhaust gas pipe 4. During this process, the preheating pipe 22 dissipates the heat in the exhaust gas into the preheating tank 21, and can complete the preheating operation of the gas entering through the air intake pipe 24. Then, the exhaust gas is sent into the tank body 7 through the connecting pipe 6. At the same time, the liquid supply pump 132 works to send the reducing liquid in the liquid storage tank 131 into the upper annular spray pipe 121 and the lower annular spray pipe 126 connected thereto through the liquid delivery pipe 133, and then sprayed out from the nozzle 122, so that the exhaust gas entering the tank body 7 can fully contact with the reducing liquid sprayed from the multi-layer nozzle 122. During this process, the gas guide plate 125 can divert the gas, which can further increase the contact area between the exhaust gas and the reducing liquid sprayed from the nozzle 122, and then the treated gas is discharged through the exhaust pipe 9 at the top of the tank body 7.

[0034] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-pressure and high-temperature furnace with a nitride treatment device, comprising a furnace body (1), a waste heat utilization component (2) and a nitride treatment component (3), characterized in that: The top end of the furnace body (1) is connected to an exhaust gas pipe (4), the other end of the exhaust gas pipe (4) is connected to a waste heat utilization component (2), the waste heat utilization component (2) is connected to the furnace body (1) via an air supply pipe (23), an exhaust fan (5) is installed on the exhaust gas pipe (4), and the waste heat utilization component (2) is connected to the nitride treatment component (3) via a connecting pipe (6); The nitride treatment assembly (3) comprises a tank body (7), a cover (8) is installed on the top of the tank body (7) by fixing bolts, and the top of the cover (8) is connected to an exhaust pipe (9), the left side wall of the lower section of the tank body (7) is connected to one end of the connecting pipe (6), a slide groove (10) is opened on the inner wall of the tank body (7), and one end of a mounting seat (11) is slidably connected in the slide groove (10), the other end of the mounting seat (11) is fixedly installed on the spray assembly (12), and the right end of the spray assembly (12) is connected to a liquid delivery assembly (13); The spray assembly (12) comprises an upper annular spray pipe (121), one end of a mounting seat (11) is fixedly mounted on a side wall of the upper annular spray pipe (121), and both inner and outer walls of the upper annular spray pipe (121) are connected to spray heads (122), the right end of the upper annular spray pipe (121) is connected to the liquid delivery assembly (13) via a connecting seat (123), the inner wall of the upper annular spray pipe (121) is connected to a support pipe (124), and the other end of the support pipe (124) is installed with a lower annular spray pipe (126) after passing through a gas guide plate (125), the inner and outer walls of the lower annular spray pipe (126) are also connected to spray heads (122), and the lower annular spray pipe (126) is connected to the upper annular spray pipe (121) via the support pipe (124).

2. The high pressure and high temperature furnace with a nitride treatment device according to claim 1, characterized in that: The liquid delivery component (13) comprises a liquid storage tank (131), a liquid supply pump (132) is installed in the inner cavity of the liquid storage tank (131), and the output end of the liquid supply pump (132) is connected to one end of a liquid delivery pipeline (133), and the other end of the liquid delivery pipeline (133) is connected to the upper annular spray pipe (121) through a connecting seat (123), and a liquid inlet is connected on the top wall of the liquid storage tank (131).

3. The high pressure and high temperature furnace with a nitride treatment device according to claim 2, characterized in that: A drain pipe (14) is connected to the middle of the bottom end of the tank body (7), and a valve is installed on the drain pipe (14). The other end of the drain pipe (14) is connected to the liquid storage tank (131).

4. The high pressure and high temperature furnace with a nitride treatment device according to claim 1, characterized in that: The waste heat utilization component (2) comprises a preheating tank (21), a preheating pipe (22) being installed in the inner cavity of the preheating tank (21), one end of the preheating pipe (22) being connected to the exhaust gas pipe (4), and the other end of the preheating pipe (22) being connected to the connecting pipe (6), the left end of the preheating tank (21) being connected to the furnace body (1) via an air supply pipe (23), and the lower section of the right end of the preheating tank (21) being connected to an air intake pipe (24).

5. The high pressure and high temperature furnace with a nitride treatment device according to claim 4, characterized in that: A supporting leg (15) is fixedly mounted on the bottom end of the preheating tank (21).

6. The high pressure and high temperature furnace with a nitride treatment device according to claim 1, characterized in that: A support column (16) is fixedly mounted on the bottom end of the tank body (7).

7. The high pressure and high temperature furnace with a nitride treatment device according to claim 1, characterized in that: A lifting lug (17) is fixedly mounted on the upper end surface of the mounting seat (11).

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