Gasification furnace for coal chemical industry

Abstract

The utility model relates to the technical field of coal chemical industry, and discloses a gasification furnace for coal chemical industry, which comprises a gasification furnace body, one side of the surface of the gasification furnace body is communicated with a waste gas discharge pipe, the other end of the waste gas discharge pipe is communicated with a blocking box, and the surface of the blocking box is communicated with a waste gas connecting pipe. The other end of the waste gas connecting pipe communicates with a heat exchange box used for conducting heat exchange on waste gas, and a filter plate used for filtering the waste gas is arranged in an inner cavity of the blocking box. In daily use of the gasification furnace body, waste gas generated by the gasification furnace body can be filtered through the blocking box and the filter plate, so that the practicability of the heat exchange box is improved, in addition, the filter plate can be self-cleaned under the action of the cleaning mechanism, normal use of the blocking box is prevented from being influenced by blocking of the filter plate, and the service life of the heat exchange box is prolonged. And in addition, under the action of the dust suction mechanism, sundries in the blocking box can be sucked out, and the practicability of the device is further improved.

Description

Technical Field

[0001] This utility model relates to the field of coal chemical technology, specifically to a gasifier for coal chemical industry. Background Technology

[0002] In the coal chemical process, gasifiers are required, which typically generate a certain amount of waste gas. This waste gas is discharged through waste gas emission pipes. In order to effectively recover the heat from the waste gas, water tanks are currently commonly used to recover the heat from the waste gas.

[0003] For example, Chinese patent literature discloses a gasifier for coal chemical industry [Announcement No. CN221505765U]. This gasifier for coal chemical industry includes a gasifier body, a heat exchange mechanism, and a flow obstruction mechanism. The heat exchange mechanism includes a heat exchange box and heat exchange tubes. The heat exchange tubes are spirally wound around the outer wall of the heat exchange box. The gasifier body is provided with a waste gas discharge pipe, which is connected to the heat exchange box. The heat exchange box is provided with a waste gas outlet pipe, and a water injection pipe is provided at the upper side of the heat exchange box. The flow obstruction mechanism includes a rotating rod and spiral blades. One end of the rotating rod is located inside the heat exchange box, and the other end of the rotating rod passes through the heat exchange box. The rotating rod is connected to a drive mechanism, and the spiral blades are arranged on the rotating rod.

[0004] The device disclosed in this patent can clean the inner wall of the heat exchange tank through the heat exchange components during use, thereby avoiding the accumulation of a lot of debris on the inner wall and affecting the heat exchange efficiency. However, since the exhaust gas will also send some debris into the tank, the device cannot effectively block the debris in the exhaust gas, which leads to a relative reduction in its practicality. Utility Model Content

[0005] The purpose of this invention is to provide a gasifier for coal chemical industry to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a gasifier for coal chemical industry, comprising a gasifier body, a waste gas discharge pipe connected to one side of the surface of the gasifier body, a barrier box connected to the other end of the waste gas discharge pipe, a waste gas connecting pipe connected to the surface of the barrier box, a heat exchange box for exchanging heat with the waste gas connected to the other end of the waste gas connecting pipe, a filter plate for filtering the waste gas provided in the inner cavity of the barrier box, a cleaning mechanism for cleaning debris provided on the surface of the filter plate, and a dust collection mechanism for dust collection provided on the surface of the cleaning mechanism.

[0007] Preferably, the cleaning mechanism includes a first transmission rod that rotates within the cavity of the exhaust pipe. The surface of the first transmission rod has a plurality of windmills arranged in a ring. One end of the first transmission rod is provided with a reciprocating threaded rod via a bevel gear transmission. The surface of the reciprocating threaded rod is engaged with a lifting shell. A plurality of brushes are fixed on one side of the surface of the lifting shell.

[0008] Preferably, a limit rod is slidably provided on one side of the surface of the lifting shell, and both ends of the limit rod are fixed to the inner cavity of the barrier box.

[0009] Preferably, the dust collection mechanism includes dust collection holes on both sides of the surface of the lifting housing, a connecting hose is connected to the surface of the lifting housing, the other end of the connecting hose is connected to a dust collection box, and an air pump is connected to the surface of the dust collection box.

[0010] Preferably, there are two dust suction holes, which are symmetrically opened on one side of the surface of the lifting shell.

[0011] Preferably, the surface of the connecting hose is provided with an electromagnetic valve, and the electromagnetic valve is electrically connected to the air pump.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] In the daily use of the gasifier body, this utility model can filter the exhaust gas generated by the gasifier body through the barrier box and filter plate, thereby improving the practicality of the heat exchange box. In addition, the filter plate can be self-cleaned by the cleaning mechanism to avoid the filter plate from becoming clogged and affecting the normal use of the barrier box. Furthermore, the dust suction mechanism can suck out the debris in the barrier box, further improving the practicality of this device. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is a partial three-dimensional structural diagram of the present invention;

[0016] Figure 3 This is a partial three-dimensional structural diagram of the present invention;

[0017] Figure 4 This is a partial three-dimensional structural diagram of the present invention.

[0018] In the diagram: 1. Gasifier body; 2. Exhaust gas discharge pipe; 3. Barrier box; 4. Exhaust gas connection pipe; 5. Heat exchange box; 6. Cleaning mechanism; 61. Fan; 62. First transmission rod; 63. Reciprocating threaded rod; 64. Lifting shell; 65. Brush; 7. Limiting rod; 8. Dust collection mechanism; 81. Dust collection hole; 82. Connecting hose; 83. Dust collection box; 84. Air pump; 9. Filter plate. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Please see Figure 1-4 As shown, a gasifier for coal chemical industry includes a gasifier body (1), one side of the surface of the gasifier body (1) is connected to a waste gas discharge pipe (2), the other end of the waste gas discharge pipe (2) is connected to a baffle box (3), the surface of the baffle box (3) is connected to a waste gas connecting pipe (4), the other end of the waste gas connecting pipe (4) is connected to a heat exchange box (5) for exchanging heat with the waste gas, the inner cavity of the baffle box (3) is provided with a filter plate (9) for filtering the waste gas, and the surface of the filter plate (9) is provided with a cleaning mechanism (6) for cleaning debris. (6) is provided with a dust collection mechanism (8) for dust collection. In the daily use of the gasifier body (1), the exhaust gas generated by the gasifier body (1) can be filtered by the barrier box (3) and the filter plate (9), thereby improving the practicality of the heat exchange box (5). In addition, the filter plate (9) can be self-cleaned by the cleaning mechanism (6) to avoid the filter plate (9) from being blocked and affecting the normal use of the barrier box (3). Furthermore, the debris in the barrier box (3) can be sucked out by the dust collection mechanism (8), further improving the practicality of the device.

[0021] The cleaning mechanism (6) includes a first transmission rod (62) that rotates within the cavity of the exhaust pipe (2). The surface of the first transmission rod (62) has a plurality of windmills (61) arranged in a ring. One end of the first transmission rod (62) is provided with a reciprocating threaded rod (63) driven by a bevel gear. The surface of the reciprocating threaded rod (63) is engaged with a lifting shell (64). A plurality of brushes (65) are fixed on one side of the surface of the lifting shell (64). In this embodiment, through the arrangement of the windmills (61), the first transmission rod (62), the reciprocating threaded rod (63), the lifting shell (64) and the brushes (65), when the exhaust gas passes through the exhaust pipe (2), the windmills (61) can be rotated under the action of the exhaust gas. Then, under the action of the first transmission rod (62) and the reciprocating threaded rod (63), the lifting shell (64) can be moved up and down. At this time, the brushes (65) can clean the surface of the filter plate (9).

[0022] A limiting rod (7) is slidably provided on one side of the surface of the lifting shell (64). Both ends of the limiting rod (7) are fixed to the inner cavity of the barrier box (3). In this embodiment, the setting of the limiting rod (7) provides a limit for the lifting of the lifting shell (64) and improves the stability of the lifting shell (64) when it is working.

[0023] The dust collection mechanism (8) includes dust collection holes (81) on both sides of the surface of the lifting shell (64). A connecting hose (82) is connected to the surface of the lifting shell (64). The other end of the connecting hose (82) is connected to a dust collection box (83). An air pump (84) is connected to the surface of the dust collection box (83). In this embodiment, through the arrangement of the dust collection holes (81), the connecting hose (82), the dust collection box (83) and the air pump (84), a negative pressure is generated in the dust collection box (83) under the action of the air pump (84). Then, under the action of the connecting hose (82) and the dust collection holes (81), the dust cleaned out of the barrier box (3) enters the dust collection box (83).

[0024] The number of the dust suction holes (81) is two, and they are symmetrically opened on one side of the surface of the lifting shell (64). In this embodiment, this arrangement improves the practicality of the dust suction holes (81) in dust suction and increases the working range of the dust suction holes (81).

[0025] The surface of the connecting hose (82) is provided with an electromagnetic valve, and the electromagnetic valve is electrically connected to the air pump (84). In this embodiment, this arrangement prevents air from passing through the connecting hose (82) when the dust collection mechanism (8) is not working, thereby improving the practicality of the device.

[0026] Working principle: During daily use of the gasifier body (1), the waste gas generated by the gasifier body (1) can enter the heat exchange box (5) through the waste gas discharge pipe (2), the barrier box (3) and the waste gas connection pipe (4). Under the action of the heat exchange box (5), the waste gas can be heat exchanged. In addition, when the waste gas passes through the barrier box (3), it can be filtered by the filter plate (9) to avoid too many impurities from entering the heat exchange box (5) and affecting the heat exchange efficiency of the heat exchange box (5). When the waste gas passes through the waste gas discharge pipe (2), the fan (61) can be rotated under the impact of the waste gas. Under the action of the first transmission rod (62), the reciprocating threaded rod (63) can be rotated. At this time, the lifting shell (64) can drive the brush (65) to reciprocate and lift. Under the action of the brush (65), the waste gas can be filtered. The filter plate (9) is cleaned to prevent excessive dust on the surface of the filter plate (9) from affecting its normal use. In addition, the staff can use an air pump (84). Under the action of the air pump (84), negative pressure is generated in the dust collection box (83) and the connecting hose (82). Then, under the action of the suction hole (81), the dust cleaned by the brush (65) can be sucked up and discharged from the barrier box (3). It is worth noting that when the air pump (84) is used, the solenoid valve on the surface of the connecting hose (82) is opened, and some exhaust gas will enter the dust collection box (83). However, the dust collection box (83) is essentially composed of a filter component plate and a box, so the exhaust gas will not cause too much damage to the dust collection box (83). In addition, the air pump (84) should be used in conjunction with an over-temperature protector to avoid the temperature in the dust collection box (83) becoming too high due to prolonged use.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A gasifier for coal chemical industry, comprising a gasifier body (1), characterized in that: The surface of the gasification furnace body (1) is communicated with a waste gas discharge pipe (2), the other end of the waste gas discharge pipe (2) is communicated with a blocking box (3), the surface of the blocking box (3) is communicated with a waste gas connecting pipe (4), the other end of the waste gas connecting pipe (4) is communicated with a heat exchange box (5) for heat exchange of waste gas, the inner cavity of the blocking box (3) is provided with a filter plate (9) for filtering waste gas, the surface of the filter plate (9) is provided with a cleaning mechanism (6) for cleaning sundries, and the surface of the cleaning mechanism (6) is provided with a dust suction mechanism (8) for dust suction.

2. The gasifier for coal chemical industry according to claim 1, characterized in that: The cleaning mechanism (6) comprises a first transmission rod (62) rotating in the inner cavity of the waste gas discharge pipe (2), a plurality of windmills (61) are arranged in an annular array on the surface of the first transmission rod (62), a reciprocating threaded rod (63) is arranged at one end of the first transmission rod (62) in a bevel gear transmission mode, a lifting shell (64) is engaged on the surface of the reciprocating threaded rod (63), and a plurality of brushes (65) are fixed on one side of the surface of the lifting shell (64).

3. The coal chemical gasifier according to claim 2, characterized in that: The surface of the lifting shell (64) is slidably provided with a limiting rod (7), and both ends of the limiting rod (7) are fixed in the inner cavity of the blocking box (3).

4. The coal chemical gasifier according to claim 2, characterized in that: The dust suction mechanism (8) comprises dust suction holes (81) formed on both sides of the surface of the lifting shell (64), the surface of the lifting shell (64) is communicated with a connecting hose (82), the other end of the connecting hose (82) is communicated with a dust storage box (83), and the surface of the dust storage box (83) is communicated with an air pump (84).

5. The coal chemical gasifier according to claim 4, characterized in that: The number of the dust suction holes (81) is two, and the dust suction holes (81) are symmetrically formed on one side of the surface of the lifting shell (64).

6. The coal chemical gasifier according to claim 4, characterized in that: The surface of the connecting hose (82) is provided with an electromagnetic valve, and the electromagnetic valve is electrically connected with the air pump (84).

Images