Novel temperature measuring structure for multifunctional rotary kiln production line

Abstract

The utility model relates to the technical field of environmental protection, in particular to a novel temperature measuring structure for a multifunctional rotary kiln production line, which comprises a rotary kiln body and a kiln tail, the kiln tail is mounted at the tail of the rotary kiln body and is connected with a kiln tail box, the kiln tail box is connected with a reverse surface cooler, and the reverse surface cooler is connected with the rotary kiln body. A forward surface cooler is arranged on one side of the reverse surface cooler, and a stock bin is arranged below the reverse surface cooler. According to the novel temperature measuring structure for the multifunctional rotary kiln production line, the number of herringbone surface coolers through which high-temperature flue gas passes is controlled and the flue gas cooling area is adjusted through the arrangement of the thermodetector, the stock bin valve, the herringbone pipeline valve and the gas outlet pipeline valve, so that the temperature of the flue gas entering the pulse dust collector meets the process requirement; temperature control in the flue gas dust removal and cooling process is achieved, temperature measurement of a rotary kiln production line is completed, and the problem that the flue gas is too low to dew or too high to burn out a cloth bag is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection field technical field, concretely is a kind of novel temperature measuring structure for multifunctional rotary kiln production line. BACKGROUND

[0002] Rotary kiln is common industrial kiln, is widely used in metallurgy, metallurgical waste recovery, life and industrial waste incineration, material drying, calcination and non-ferrous metal volatile smelting and so on many fields.Most rotary kiln is using counterflow rotary kiln, namely the direction of flue gas flow and the direction of material flow are opposite, this process is easy to cause smoke accumulation and cause explosion and so on when processing complex self-ignition material, simultaneously unable to adjust the concentration and temperature of flue gas, unable to carry out down-flow production, lack flexibility.

[0003] In the treatment of high-temperature flue gas generated in rotary kiln production process, generally using pulse dust collector, electric dust collection, water film dust removal and so on.Pulse dust collector is most selected in the process of using pulse dust collector dust removal due to high dust collection efficiency and small investment, and it is easy to produce dewing or cloth bag burning phenomenon in the process of running, which brings great trouble to production, especially for strong acid flue gas, dewing temperature is high, and when the temperature fluctuation of flue gas in production process is large, small cooling area is easy to cause flue gas temperature to be too high, resulting in cloth bag of pulse dust collector being burnt out, and large cooling area is easy to cause flue gas temperature to be too low, cause dewing, block cloth bag, cause production interruption and damage cloth bag.

[0004] Therefore, a kind of novel temperature measuring structure for multifunctional rotary kiln production line is urgently needed to solve the technical defects proposed in the above-mentioned technology. SUMMARY

[0005] The utility model aims at providing a kind of novel temperature measuring structure for multifunctional rotary kiln production line to solve the problem of flue gas dewing too low or cloth bag being burnt out too high proposed in the above-mentioned background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of novel temperature measuring structure for multifunctional rotary kiln production line, including rotary kiln body and kiln tail, kiln tail is installed in the tail of rotary kiln body, the kiln tail is connected with kiln tail box, kiln tail box is connected with reverse surface cooler, the reverse surface cooler side is provided with forward surface cooler, the reverse surface cooler lower side is equipped with bunker, temperature measuring instrument is installed in each group of bunker, bunker and next group of reverse surface cooler are provided with bunker valve, a plurality of reverse surface coolers are connected in series, the reverse surface cooler adopts herringbone connecting pipeline, the reverse surface cooler is connected with first gas outlet pipeline, second gas outlet pipeline, third gas outlet pipeline, first gas outlet pipeline, second gas outlet pipeline, third gas outlet pipeline are connected with the gas inlet of pulse dust collector multiple or single.

[0007] As a further technical scheme of the utility model, the pulse dust collector is supported by the frame at the bottom end.

[0008] As a further technical scheme of the utility model, the number of the silos is matched with the length of the rotary kiln body.

[0009] As a further technical scheme of the utility model, a group of air outlet pipeline valves are installed at the first air outlet pipeline, the second air outlet pipeline and the third air outlet pipeline.

[0010] As a further technical scheme of the utility model, a person-shaped pipeline valve is installed at the connection between the first air outlet pipeline, the second air outlet pipeline, the third air outlet pipeline and the silo.

[0011] As a further technical scheme of the utility model, a kiln head is installed at the head of the rotary kiln body, the kiln head is connected to the dust collecting chamber, a kiln head combustion chamber is arranged at one side of the dust collecting chamber, and a flue gas collecting pipeline is connected between the dust collecting chamber and the kiln head combustion chamber.

[0012] As a further technical scheme of the utility model, a temperature-resistant connecting pipeline is connected between the kiln head combustion chamber and the dust collecting chamber.

[0013] As a further technical scheme of the utility model, the first air outlet pipeline, the second air outlet pipeline and the third air outlet pipeline control the position of the flue gas entering the pulse dust collector through the silo valve, and the length, area and number of the forward surface cooler and the reverse surface cooler are adjusted.

[0014] Compared with the prior art, the utility model has the advantages that the novel temperature measuring structure for the multifunctional rotary kiln production line not only avoids the problems of dew condensation of the flue gas due to too low temperature or burning of the bag due to too high temperature, completes the temperature measurement of the rotary kiln production line, and realizes the process requirements of the flue gas temperature and flow entering the pulse dust collector, but also reduces the labor intervention and the labor required for real-time monitoring, and reduces the production cost.

[0015] (1) The temperature measuring instrument, the silo valve, the reverse surface cooler and the forward surface cooler are arranged, the reverse surface cooler and the forward surface cooler adopt the person-shaped connecting pipeline, the number of the person-shaped surface coolers through which the high-temperature flue gas passes is controlled through the temperature measuring instrument, the silo valve, the person-shaped pipeline valve and the air outlet pipeline valve, the connection line of the first air outlet pipeline, the second air outlet pipeline and the third air outlet pipeline with the pulse dust collector and the direction of the flue gas flow are controlled, the length and the number of the surface coolers through which the flue gas passes are adjusted, the flue gas cooling area is adjusted, the flue gas temperature entering the pulse dust collector reaches the process requirements, the temperature control in the flue gas dust removal and cooling process is realized, and the temperature measurement of the rotary kiln production line avoids the problems of dew condensation of the flue gas due to too low temperature or burning of the bag due to too high temperature.

[0016] (2) by setting with the forward surface cooler, reverse surface cooler, pulse dust collector, in the production process, according to the production process requirements, through the control valve, realize the forward and reverse incineration or calcination anytime switching, also can use forward surface cooler and reverse surface cooler simultaneously production, flue gas by forward and reverse simultaneously into the pulse dust collector, flexible adjustment production process, in this process through the opening and closing control of valve, adjust the flue gas cooling area anytime, through the control valve opening control flue gas flow size, to make the flue gas temperature, flow into the pulse dust collector reaches the process requirements;

[0017] (3) by setting with the temperature measuring instrument, stock bin valve, system through the whole process monitoring temperature, can be used as the forward flow rotary kiln production line, also can be used as the reverse flow rotary kiln production line, to realize the forward flow and reverse flow flexible switching and simultaneous use to create conditions, realize high temperature flue gas temperature adjustable, flue gas flow direction adjustable, reduce manual intervention and real-time monitoring required manpower, reduce production cost. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view structural schematic diagram of the utility model;

[0019] Figure 2 It is the top view structural schematic diagram of the utility model;

[0020] Figure 3 It is the temperature measuring instrument installation position structural schematic diagram of the utility model;

[0021] Figure 4 It is the Figure 2 It is the front view enlarged structural schematic diagram of the utility model.

[0022] In the drawing: 1, kiln head combustion chamber; 2, temperature-resistant connecting pipeline; 3, forward surface cooler; 4, temperature measuring instrument; 5, pulse dust collector; 6, reverse surface cooler; 7, stock bin; 8, herringbone connecting pipeline; 9, kiln tail box; 10, kiln tail; 11, rack; 12, stock bin valve; 13, rotary kiln body; 14, kiln head; 15, dust collecting chamber; 16, flue gas collecting pipeline; 17, first gas outlet pipeline; 18, second gas outlet pipeline; 19, third gas outlet pipeline; 20, herringbone pipeline valve; 21, gas outlet pipeline valve. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Referring to Figures 1-4 The utility model provides a kind of embodiment provided by the utility model: a kind of novel temperature measuring structure for multifunctional rotary kiln production line, including rotary kiln body 13 and kiln tail 10, the tail of rotary kiln body 13 is equipped with kiln tail 10, kiln tail 10 connects kiln tail box 9, kiln tail box 9 connects reverse surface cooler 6, reverse surface cooler 6 side is equipped with forward surface cooler 3, and reverse surface cooler 6 below is equipped with bunker 7, and each group of bunker 7 is equipped with temperature measuring instrument 4, and bunker 7 is equipped with bunker valve 12 between next group of reverse surface cooler 6, a plurality of reverse surface cooler 6 are connected in series, and reverse surface cooler 6 uses herringbone connecting pipeline 8, and reverse surface cooler 6 is connected with first gas outlet pipeline 17, second gas outlet pipeline 18 and third gas outlet pipeline 19, and first gas outlet pipeline 17, second gas outlet pipeline 18 and third gas outlet pipeline 19 are connected with the gas inlet of pulse dust collector 5 in multiple or single, and the bottom end of pulse dust collector 5 is supported with rack 11, and the number of bunker 7 matches the length of rotary kiln body 13;

[0025] Specifically, as Figure 1 、 Figure 2 、 Figure 3 And Figure 4 Indicated, reverse surface cooler 6 and forward surface cooler 3 adopt herringbone connecting pipeline 8, and the number of herringbone surface coolers that high-temperature flue gas passes through is controlled by temperature measuring instrument 4, bunker valve 12 and herringbone pipeline valve 20 and gas outlet pipeline valve 21, the connection line of first gas outlet pipeline 17, second gas outlet pipeline 18 and third gas outlet pipeline 19 with pulse dust collector 5 and the direction of flue gas flow are controlled, the length and number of surface coolers that flue gas passes through are adjusted, so that flue gas cooling area is adjusted, to make the temperature of flue gas entering pulse dust collector 5 reach process requirement, avoid flue gas dewing too low or burning bag to burn down too high.

[0026] First gas outlet pipeline 17, second gas outlet pipeline 18 and third gas outlet pipeline 19 are each equipped with a group of gas outlet pipeline valves 21, and herringbone pipeline valve 20 is installed at the connection of first gas outlet pipeline 17, second gas outlet pipeline 18 and third gas outlet pipeline 19 with bunker 7;

[0027] Specifically, as Figure 1 、 Figure 2 、 Figure 3 And Figure 4As shown, during production, the forward and reverse incineration or calcination can be switched at any time according to the production process requirements through the control valves, or the forward surface cooler 3 and the reverse surface cooler 6 can be used simultaneously for production, the flue gas enters the pulse dust collector 5 simultaneously in forward and reverse directions, the production process is flexibly adjusted, and the flue gas cooling area is adjusted at any time through the opening and closing control of the valve, and the size of the flue gas flow is controlled through the opening degree of the control valve.

[0028] The head of the rotary kiln body 13 is provided with a kiln head 14 connected to a dust collecting chamber 15, one side of the dust collecting chamber 15 is provided with a kiln head combustion chamber 1, a flue gas collecting pipe 16 is connected between the dust collecting chamber 15 and the kiln head combustion chamber 1, a temperature-resistant connecting pipe 2 is connected between the kiln head combustion chamber 1 and the dust collecting chamber 15, the first gas outlet pipe 17, the second gas outlet pipe 18 and the third gas outlet pipe 19 control the position of the flue gas entering the pulse dust collector 5 through the silo valve 12, and the length, area and number of the forward surface cooler 3 and the reverse surface cooler 6 are adjusted;

[0029] Specifically, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 Figure 1 Figure 2 Figure 3 Figure 4 , the system is monitored and temperature measured throughout the process, which can be used as a forward flow rotary kiln production line or a reverse flow rotary kiln production line, to create conditions for flexible switching and simultaneous use of forward and reverse flow, to realize adjustable high-temperature flue gas temperature and adjustable flue gas flow direction.

[0030] Working principle: the production line is used in the production process, the forward and reverse incineration or calcination can be switched at any time according to the production process requirements through the control valves, or the forward surface cooler 3 and the reverse surface cooler 6 can be used simultaneously for production, the flue gas enters the pulse dust collector 5 simultaneously in forward and reverse directions, the production process is flexibly adjusted, the flue gas cooling area is adjusted at any time through the opening and closing control of the valve, and the size of the flue gas flow is controlled through the opening degree of the control valve, so that the flue gas temperature and flow entering the pulse dust collector 5 meet the process requirements, and the flue gas is prevented from being too low to condense or too high to burn out the bag; when the production line is used for drying materials, the kiln head combustion chamber 1 is provided with a detachable grate, the combustion chamber uses coal and other fuels for combustion, high-temperature flue gas enters the rotary kiln body 13, wet materials from the kiln tail 10 are dried, the flue gas from the kiln tail box 9 enters the reverse surface cooler 6 for cooling, the silo valve 12 is opened and closed to control the flue gas cooling area and the flue gas temperature entering the pulse dust collector 5, and the flue gas is prevented from being too low to condense or too high to burn out the bag.

[0031] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A new temperature measuring structure for a multi-functional rotary kiln production line, comprising a rotary kiln body (13) and a kiln tail (10), characterized in that: The tail of the rotary kiln body (13) is provided with a kiln tail (10), the kiln tail (10) is connected with a kiln tail box (9), the kiln tail box (9) is connected with a reverse surface cooler (6), one side of the reverse surface cooler (6) is provided with a forward surface cooler (3), the reverse surface cooler (6) is provided below with a bunker (7), the temperature measuring instrument (4) is installed at each group of bunkers (7), the bunker valve (12) is arranged between the bunker (7) and the next group of reverse surface coolers (6), a plurality of reverse surface coolers (6) are connected in series, the reverse surface cooler (6) adopts a herringbone connecting pipeline (8), the reverse surface cooler (6) is connected with a first gas outlet pipeline (17), a second gas outlet pipeline (18) and a third gas outlet pipeline (19), and the first gas outlet pipeline (17), the second gas outlet pipeline (18) and the third gas outlet pipeline (19) are connected with the gas inlet of the pulse dust collector (5) in multiple or single.

2. The new temperature measuring structure for a multifunctional rotary kiln production line according to claim 1, characterized in that: The pulse dust collector (5) is supported by a rack (11) at the bottom end.

3. The new temperature measuring structure for a multifunctional rotary kiln production line according to claim 1, characterized in that: The number of the bunker (7) matches the length of the rotary kiln body (13).

4. The new temperature measuring structure for a multifunctional rotary kiln production line according to claim 1, characterized in that: A group of gas outlet pipeline valves (21) are installed at the first gas outlet pipeline (17), the second gas outlet pipeline (18) and the third gas outlet pipeline (19).

5. The new temperature measuring structure for a multifunctional rotary kiln production line according to claim 1, characterized in that: The herringbone pipeline valves (20) are installed at the connection between the first gas outlet pipeline (17), the second gas outlet pipeline (18) and the third gas outlet pipeline (19) and the bunker (7).

6. The new temperature measuring structure for a multifunctional rotary kiln production line according to claim 1, characterized in that: The head of the rotary kiln body (13) is provided with a kiln head (14), the kiln head (14) is connected to a dust collecting chamber (15), one side of the dust collecting chamber (15) is provided with a kiln head combustion chamber (1), and the dust collecting chamber (15) and the kiln head combustion chamber (1) are connected with a flue gas collecting pipeline (16).

7. The new temperature measuring structure for a multifunctional rotary kiln production line according to claim 6, characterized in that: The kiln head combustion chamber (1) and the dust collecting chamber (15) are connected with a temperature-resistant connecting pipeline (2).

8. The new temperature measuring structure for a multifunctional rotary kiln production line according to claim 1, characterized in that: The first gas outlet pipeline (17), the second gas outlet pipeline (18) and the third gas outlet pipeline (19) control the position of flue gas entering the pulse dust collector (5) through the bunker valve (12), and the length, area and number of the forward surface cooler (3) and the reverse surface cooler (6) are adjusted.

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