Combustion testing device for coke of different specifications

Abstract

The utility model discloses a combustion testing device for coke of different specifications, which comprises a furnace body, a furnace door, a chimney, a smoke cooler, a dust removal box, an air outlet, a cavity, a filter screen, a spraying mechanism, a cleaning mechanism, a plugging mechanism and a transmission mechanism, the cavity is arranged in the dust removal box, the filter screen is arranged on the inner surface of the dust removal box, and the spraying mechanism is arranged on the inner surface of the dust removal box. The spraying mechanism is arranged on the upper surface of the dust removal box; according to the device, the functions of automatically dispersing and automatically discharging dust particles accumulated on the surface of the filter screen can be realized, and the meshes of the filter screen can be effectively prevented from being blocked, so that the filtering efficiency of the filter screen and the efficient and stable operation of the device can be ensured; dust particles can be automatically discharged, manual intervention cleaning is not needed, then the workload of workers can be reduced, and the cleaning efficiency of the dust particles is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to coke test technical field especially, it is a kind of for different specifications' coke combustion testing device. BACKGROUND

[0002] Coke is a kind of solid fuel of hard, porous and high calorific value, because of its unique physical and chemical characteristics, in steel smelting, casting and chemical industry etc. many fields are widely used, in order to in-depth understanding of the performance of coke in these applications, usually a series of performance tests are carried out to coke using special combustion testing device;

[0003] Part of the existing coke combustion testing device is provided with flue gas dust removal and discharge mechanism, removes dust particles in flue gas by spraying, at the same time, filter screen is arranged to filter dust particles in water flow, realizes the recycling of water flow, however, in the process of water flow filtration, dust particles are prone to accumulate on the surface of filter screen, in turn, it is prone to cause certain influence to the filtration efficiency of filter screen, for this, a kind of for different specifications' coke combustion testing device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of for different specifications' coke combustion testing device, can solve the problem that part of the existing coke combustion testing device is provided with flue gas dust removal and discharge mechanism, removes dust particles in flue gas by spraying, at the same time, filter screen is arranged to filter dust particles in water flow, realizes the recycling of water flow, however, in the process of water flow filtration, dust particles are prone to accumulate on the surface of filter screen, in turn, it is prone to cause certain influence to the filtration efficiency of filter screen.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of for different specifications' coke combustion testing device, including furnace body, furnace door, chimney, flue gas cooler, dust removal tank and gas outlet, still include:

[0006] Cavity, the cavity is located in the inside of dust removal tank;

[0007] Filter screen, the filter screen is arranged in the inside surface of dust removal tank;

[0008] Spraying mechanism, the spraying mechanism is arranged on the upper surface of dust removal tank;

[0009] Cleaning mechanism, the cleaning mechanism is arranged on the outer surface of dust removal tank;

[0010] Plugging mechanism, the plugging mechanism is rotationally arranged on the outer surface of dust removal tank;

[0011] Transmission mechanism, transmission mechanism is arranged at one side of dust removal box, transmission mechanism is fixedly connected with cleaning mechanism, transmission mechanism is fixedly connected with sealing mechanism.

[0012] Preferably, the spray mechanism comprises a water pump arranged on the upper surface of the dust removal box, the input end of the water pump is provided with a hose one, the hose one is fixedly connected with the dust removal box, the output end of the water pump is provided with a hose two, the hose two is fixedly connected with the dust removal box, one end of the hose two is provided with a sprayer, and the sprayer is fixedly connected with the dust removal box.

[0013] Preferably, the cleaning mechanism comprises a motor arranged on the outer surface of the dust removal box, the output end of the motor is provided with a reciprocating screw rod one, the reciprocating screw rod one is rotatably connected with the dust removal box, the outer surface of the reciprocating screw rod one is provided with a cleaning plate, the inner surface of the cleaning plate is slidably connected with a limiting rod one, and the limiting rod one is fixedly connected with the dust removal box.

[0014] Preferably, the inner wall of the dust removal box is provided with a baffle, and the baffle has two.

[0015] Preferably, the sealing mechanism comprises two reciprocating screw rods two rotatably arranged on the outer surface of the dust removal box, and the two reciprocating screw rods two are fixedly connected, the screw grooves of the two reciprocating screw rods two are oppositely arranged, the outer surface of the reciprocating screw rod two is screwedly connected with a sealing plate, the two sealing plates are slidably connected with the dust removal box, the outer surface of the dust removal box is fixedly connected with a limiting rod two, and the two sealing plates are slidably connected with the limiting rod two.

[0016] Preferably, the pitch of the reciprocating screw rod one and the reciprocating screw rod two is 3mm.

[0017] Preferably, the transmission mechanism comprises a main gear arranged on one side of the dust removal box, the main gear is fixedly connected with the reciprocating screw rod one, the outer surface of the main gear is meshedly connected with a one-way gear, and the one-way gear is fixedly connected with one of the reciprocating screw rod two.

[0018] Compared with the prior art, the dust removal box has the advantages that:

[0019] 1. The application realizes the functions of automatic dispersion and automatic discharge of dust particles accumulated on the surface of the filter screen through the arrangement of the dust removal box, the spraying mechanism, the cleaning mechanism, the plugging mechanism and the transmission mechanism. When the flue gas is removed and discharged, the spraying mechanism removes the dust particles in the flue gas, and then the filter screen filters the dust particles in the water flow. In the process of water filtration, the cleaning mechanism can automatically disperse the dust particles accumulated on the surface of the filter screen, effectively preventing the filter screen from being blocked, thereby ensuring the filtering efficiency of the filter screen and the efficient and stable operation of the device. After the experiment is paused or ended, the dust particles can be automatically discharged through the cooperation of the cleaning mechanism, the plugging mechanism and the transmission mechanism, without manual intervention for cleaning, thereby reducing the work burden of the workers and improving the cleaning efficiency of the dust particles. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the following specific embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is the overall structure view of the present application.

[0022] Figure 2 It is the overall structure view of the present application. Figure 1 It is the sectional structure view of the dust removal box in the present application.

[0023] Figure 3 It is the structure view of the cleaning mechanism in the present application. Figure 2 It is the structure view of the cleaning mechanism in the present application.

[0024] Figure 4 It is the structure view of the transmission mechanism in the present application. Figure 3 It is the structure view of the transmission mechanism in the present application.

[0025] BRIEF DESCRIPTION OF DRAWINGS

[0026] 1, furnace body; 2, furnace door; 3, chimney; 4, flue gas cooler; 5, dust removal box; 6, spraying mechanism; 61, water pump; 62, hose one; 63, hose two; 64, sprayer; 7, cleaning mechanism; 71, motor; 72, reciprocating screw rod one; 73, cleaning plate; 74, limiting rod one; 8, plugging mechanism; 81, reciprocating screw rod two; 82, plugging plate; 83, limiting rod two; 9, transmission mechanism; 91, main gear; 92, one-way gear; 10, gas outlet; 11, cavity; 12, filter screen; 13, baffle. DETAILED DESCRIPTION

[0027] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0028] Please refer to Figures 1 to 4 The utility model provides a technical scheme:

[0029] A kind of for different specifications coke combustion testing device, including furnace body 1, furnace door 2, chimney 3, flue gas cooler 4, dust removal tank 5 and gas outlet 10, also include:

[0030] Cavity 11, cavity 11 is set up in the inside of dust removal tank 5;

[0031] Filter screen 12, filter screen 12 is set in the internal surface of dust removal tank 5;

[0032] Spraying mechanism 6, spraying mechanism 6 is set in the upper surface of dust removal tank 5;

[0033] Cleaning mechanism 7, cleaning mechanism 7 is set in the external surface of dust removal tank 5;

[0034] Plugging mechanism 8, plugging mechanism 8 is rotatably set in the external surface of dust removal tank 5;

[0035] Transmission mechanism 9, transmission mechanism 9 is set in one side of dust removal tank 5, transmission mechanism 9 is fixedly connected with cleaning mechanism 7, transmission mechanism 9 is fixedly connected with plugging mechanism 8.

[0036] Furnace body 1 is composed of shell and heat preservation structure, firebrick, etc., the middle part of furnace body 1 circular iron shell is + aluminium silicate heat preservation layer + refractory mortar + firebrick, 4-6 blast holes with a diameter of 40 millimeters are arranged at the place close to furnace grate of furnace body 1 and are connected with blast ring, furnace grate dust falling space is arranged at the bottom of furnace body 1, the bottom layer dust falling place has a certain height, the bottom layer iron shell + overall heat preservation structure and the furnace door 2 that can be opened with heat preservation airtightness are arranged in the upper part airtight furnace body 1 adopts iron shell + refractory mortar and heat preservation material;

[0037] The centrifugal fan in the furnace blast system: air volume (20-50 kg of coke) x 7 x 1.1 m³ / hour, air pressure 14-25 kpa, air pipe: connecting centrifugal machine and air pipe around combustion furnace body, air ring pipeline and branch air pipe;

[0038] Flue gas cooler 4 is arranged in the middle section of chimney 3, one end of chimney 3 is connected with furnace body 1, the other end of chimney 3 is connected with dust removal tank 5, cavity 11 is used for water flow storage, filter screen 12 is used for filtering dust particles in sewage.

[0039] By the above device can establish a same coke quality, the same air volume conditions for different specifications of coke coke whole process combustion test, including: different specifications of commercial coke combustion time; different specifications of commercial coke flue gas composition difference; different specifications of commercial coke combustion process temperature characteristics.

[0040] Specifically, as shown in Figure 1 and Figure 2 , the spraying mechanism 6 includes a water pump 61 arranged on the upper surface of the dust removal box 5, the input end of the water pump 61 is provided with a hose 62, the hose 62 is fixedly connected with the dust removal box 5, the output end of the water pump 61 is provided with a hose 63, the hose 63 is fixedly connected with the dust removal box 5, one end of the hose 63 is provided with a sprayer 64, and the sprayer 64 is fixedly connected with the dust removal box 5.

[0041] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the cleaning mechanism 7 includes a motor 71 arranged on the outer surface of the dust removal box 5, the output end of the motor 71 is provided with a reciprocating screw rod 72, the reciprocating screw rod 72 is rotatably connected with the dust removal box 5, the outer surface of the reciprocating screw rod 72 is provided with a cleaning plate 73, the inner surface of the cleaning plate 73 is slidably connected with a limiting rod 74, and the limiting rod 74 is fixedly connected with the dust removal box 5.

[0042] Specifically, as shown in Figure 2 , the inner wall of the dust removal box 5 is provided with a baffle 13, and the baffle 13 has two, through the two baffles 13, the reciprocating screw rod 72 and the limiting rod 74 can be protected respectively when the flue gas is sprayed and dusted.

[0043] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the sealing mechanism 8 includes two reciprocating screw rods 81 rotatably arranged on the outer surface of the dust removal box 5, and the two reciprocating screw rods 81 are fixedly connected, the screw grooves of the two reciprocating screw rods 81 are oppositely arranged, the outer surface of the reciprocating screw rod 81 is threadedly connected with a sealing plate 82, the two sealing plates 82 are slidably connected with the dust removal box 5, the outer surface of the dust removal box 5 is fixedly connected with a limiting rod 83, and the two sealing plates 82 are slidably connected with the limiting rod 83.

[0044] Specifically, as shown in Figure 2 , Figure 3 and Figure 4 , the pitch of the reciprocating screw rod 72 and the reciprocating screw rod 81 is 3mm, and the reciprocating screw rod 72 and the reciprocating screw rod 81 with a pitch of 3mm can provide better transmission efficiency and stability.

[0045] Specifically, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the transmission mechanism 9 includes a main gear 91 arranged on one side of the dust removal box 5, the main gear 91 is fixedly connected with the reciprocating screw rod two 81, the outer surface of the main gear 91 is meshingly connected with a one-way gear 92, and the one-way gear 92 is fixedly connected with one of the reciprocating screw rod two 81.

[0046] Working principle: when in use, check whether the wind, water and electricity equipment and the instruments for detecting temperature and flue gas composition arranged in the combustion test device are normal, confirm that they are normal, then start the preparation work of the related test, then lay the shavings and wood on the furnace bottom, lay 2-5 kg of 21-23 mm perforated standard coke on the upper part, ignite the furnace, wait until the temperature in the furnace rises to 450 degrees and the coke starts to burn, immediately prepare to start the coke combustion test of each specification, then open the furnace door 2, put the sample coke of one specification into the furnace, use the steel drill to flatten the material surface, record the feeding time, the combustion coke and the flue gas temperature change of the chimney 3 measured every 10 minutes, the time required for the coke to burn out, the carbon monoxide, oxygen and carbon dioxide content data in the flue gas with a temperature lower than 200 degrees after passing through the flue gas cooler 4, repeat the combustion test of the same specification coke three times, statistically process the three test data, and complete the test report;

[0047] In the above operation process, the cooled flue gas can enter the inside of the dust removal box 5, the water flow in the cavity 11 can enter the inside of the sprayer 64 through the hose one 62 and the hose two 63 by starting the water pump 61, then the sprayer 64 sprays to remove dust from the flue gas, the flue gas after dust removal can be discharged through the gas outlet 10, in this process, the water flow containing dust particles is filtered through the filter screen 12, the filtered water flow can return to the cavity 11, at the same time, the motor 71 is started, the forward rotation of the output end of the motor 71 can drive the reciprocating screw rod one 72 to rotate forward, then the forward rotation of the reciprocating screw rod one 72 can drive the main gear 91 to rotate forward (when the main gear 91 rotates forward, the one-way gear 92 does not rotate), the cleaning plate 73 reciprocates, then the cleaning plate 73 reciprocates to disperse the dust particles accumulated on the filter screen 12, to prevent the filter screen 12 from being blocked by the dust particles;

[0048] After the experiment is suspended or ended, the motor 71 can be started, the output end of the motor 71 reverses to drive the reciprocating lead screw one 72 to reverse, then the reciprocating lead screw one 72 is reversed to drive the main gear 91 to reverse, and then the one-way gear 92 is driven to rotate, then the reciprocating lead screw two 81 is driven to rotate through the rotation of the one-way gear 92, so that the two blocking plates 82 move reversely, and the state of blocking is released, at this time, part of the dust particles on the blocking plate 82 can fall and be discharged, then the output end of the motor 71 is forwardly rotated to drive the reciprocating lead screw one 72 to rotate forwardly, so that the cleaning plate 73 reciprocally moves to push and discharge the dust particles accumulated on the filter screen 12, finally, the output end of the motor 71 is reversely rotated, so that the two blocking plates 82 move towards each other to reset and restore the state of blocking.

[0049] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A coke combustion testing device for different specifications, comprising a furnace body (1), a furnace door (2), a chimney (3), a flue gas cooler (4), a dust removal box (5) and an air outlet (10), characterized in that: Also includes: The cavity (11) is opened in the inside of dust removal box (5); Filter screen (12), the filter screen (12) is arranged on the inner surface of dust removal box (5); Spray mechanism (6), the spray mechanism (6) is arranged on the upper surface of dust removal box (5); Cleaning mechanism (7), the cleaning mechanism (7) is arranged on the outer surface of dust removal box (5); Blocking mechanism (8), the blocking mechanism (8) is rotatably arranged on the outer surface of dust removal box (5); Transmission mechanism (9), the transmission mechanism (9) is arranged on one side of dust removal box (5), the transmission mechanism (9) is fixedly connected with cleaning mechanism (7), and the transmission mechanism (9) is fixedly connected with blocking mechanism (8).

2. The apparatus for testing combustion of different sizes of coke according to claim 1, wherein: The spray mechanism (6) includes a water pump (61) arranged on the upper surface of the dust removal box (5), the input end of the water pump (61) is provided with a hose (62), the hose (62) is fixedly connected with the dust removal box (5), the output end of the water pump (61) is provided with a hose (63), the hose (63) is fixedly connected with the dust removal box (5), one end of the hose (63) is provided with a sprayer (64), and the sprayer (64) is fixedly connected with the dust removal box (5).

3. The apparatus for testing combustion of different sizes of coke as claimed in claim 2, wherein: The cleaning mechanism (7) includes a motor (71) arranged on the outer surface of the dust removal box (5), the output end of the motor (71) is provided with a reciprocating screw rod (72), the reciprocating screw rod (72) is rotatably connected with the dust removal box (5), the outer surface of the reciprocating screw rod (72) is provided with a cleaning plate (73), the inner surface of the cleaning plate (73) is slidably connected with a limiting rod (74), and the limiting rod (74) is fixedly connected with the dust removal box (5).

4. The apparatus for testing combustion of different sizes of coke according to claim 3, wherein: The inner wall of the dust removal box (5) is provided with a baffle (13), and the baffle (13) has two.

5. The apparatus for testing combustion of different sizes of coke as claimed in claim 4, wherein: The blocking mechanism (8) includes two reciprocating screw rods (81) rotatably arranged on the outer surface of the dust removal box (5), and the two reciprocating screw rods (81) are fixedly connected, the screw grooves of the two reciprocating screw rods (81) are oppositely arranged, the outer surface of the reciprocating screw rod (81) is threadedly connected with a blocking plate (82), the two blocking plates (82) are slidably connected with the dust removal box (5), and the outer surface of the dust removal box (5) is fixedly connected with a limiting rod (83), and the two blocking plates (82) are slidably connected with the limiting rod (83).

6. The apparatus for testing combustion of different sizes of coke as claimed in claim 5, wherein: The pitch of the reciprocating screw rod (72) and the reciprocating screw rod (81) is 3mm.

7. The apparatus for testing combustion of different sizes of coke as claimed in claim 6, wherein: The transmission mechanism (9) includes a main gear (91) arranged on one side of the dust removal box (5), the main gear (91) is fixedly connected with the reciprocating screw rod (72), the outer surface of the main gear (91) is meshedly connected with a one-way gear (92), and the one-way gear (92) is fixedly connected with one of the reciprocating screw rods (81).

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