Tail gas boiler for formaldehyde production

Abstract

The tail gas boiler comprises a cabinet body and a telescopic mechanism, the telescopic mechanism is arranged on the bottom wall of the cabinet body, a cabinet door is connected to the telescopic mechanism and arranged on one side of the cabinet body, the cabinet door and the cabinet body form a bin body structure, a heating pipe is arranged on the cabinet door in a penetrating mode, and the heating pipe is arranged on the cabinet body in a penetrating mode. The top of the cabinet body is connected with an igniter, the side face of the cabinet body is connected with an oxygen tank, and the upper end and the lower end of the side face of the cabinet body are connected with an air inlet pipe and an exhaust pipe respectively. The problems that in the background technology, formaldehyde tail gas is not sufficiently burnt in the incineration process, a layer of carbon black powder is generated and adsorbed to a water pipe of a combustion chamber, heat conduction is affected, and then the recycling efficiency is reduced are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to formaldehyde tail gas technical field, especially relate to a tail gas boiler for formaldehyde production. BACKGROUND

[0002] Formaldehyde is a widely used, simple production process, raw material supply abundant mass chemical product, is the main trunk in the downstream product tree of methanol, the world annual output is about 25 million tons, 30% or so methanol is used to produce formaldehyde, the existing formaldehyde production often has the waste gas produced, and the waste gas not only exists part of heat, and the content of formaldehyde is still not few, if directly released to the atmospheric environment, often easy to cause the pollution of atmospheric environment, also can make the energy loss in waste gas.

[0003] Most of the existing tail gas treatment equipment is to burn the tail gas, and then heat the water by using the heat of the tail gas combustion to realize recycling, but the formaldehyde tail gas is not fully combusted in the incineration process, a layer of carbon black powder is adsorbed on the water pipe of the combustion chamber, which affects heat conduction and reduces the recycling efficiency. Therefore, a tail gas boiler for formaldehyde production is proposed. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of tail gas boilers for formaldehyde production, including cabinet and telescopic mechanism, the telescopic mechanism is located on the bottom wall of cabinet, cabinet door is connected on the telescopic mechanism, the cabinet door is located on one side of cabinet, the cabinet door and cabinet form the structure of warehouse body, heating pipe is penetrated on the cabinet door, igniter is connected on the top of cabinet, oxygen tank is connected on the side of cabinet, intake pipe and exhaust pipe are respectively connected on the upper end and lower end of the side of cabinet.

[0005] To achieve the above object, the utility model provides a kind of tail gas boiler for formaldehyde production, including cabinet and telescopic mechanism, the telescopic mechanism is located on the bottom wall of cabinet, cabinet door is connected on the telescopic mechanism, the cabinet door is located on one side of cabinet, the cabinet door and cabinet form the structure of warehouse body, heating pipe is penetrated on the cabinet door, igniter is connected on the top of cabinet, oxygen tank is connected on the side of cabinet, intake pipe and exhaust pipe are respectively connected on the upper end and lower end of the side of cabinet.

[0006] Preferably, the telescopic mechanism includes telescopic bin, drive motor, drive screw and push rod, the telescopic bin is located on the bottom wall of cabinet, the drive motor is located on the side of telescopic bin, the drive screw is fixedly connected to the drive motor, the push rod is sleeved on the drive screw, and the push rod moves through the side wall of telescopic bin and is connected to the cabinet door.

[0007] Preferably, the cabinet is symmetrically provided with telescopic rods near the side surface of the cabinet, one end of the telescopic rods is fixedly connected to the cabinet, the cabinet is symmetrically provided with partitions, and the partitions are arranged between the telescopic rods.

[0008] Preferably, the connecting position of the air inlet pipe and the air outlet pipe is located between the two groups of partitions.

[0009] Preferably, the oxygen pipe is provided with a fixed plate, the fixed plate is fixedly arranged on the side surface of the cabinet, the fixed plate is symmetrically provided with a rib plate arranged on the side surface of the cabinet, and the oxygen pipe is provided with a control valve structure.

[0010] Preferably, the cabinet is symmetrically provided with supporting rods, and the supporting rods are provided with pad plates.

[0011] Preferably, the telescopic bin is symmetrically provided with positioning rods, the positioning rods are movably sleeved with positioning pipes, and the positioning pipes are fixedly connected to the push rods.

[0012] Preferably, the part of the heating rod located in the cabinet is arranged in parallel.

[0013] The beneficial effects of the present application are as follows:

[0014] The telescopic mechanism controls the movement of the cabinet door, and then the water pipe is taken out of the cabinet, so that the staff can regularly clean the powder accumulated on the water pipe, avoid the influence of the powder on heat conduction, solve the problem that the formaldehyde tail gas is not fully combusted in the burning process, a layer of carbon black powder is adsorbed on the water pipe of the combustion chamber, the heat conduction is affected, and the reutilization efficiency is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the tail gas boiler for formaldehyde production.

[0016] Fig. 2 It is an expanded structure schematic view of the tail gas boiler for formaldehyde production.

[0017] Fig. 3 It is an internal structure schematic view of the telescopic mechanism in the tail gas boiler for formaldehyde production.

[0018] In the drawing: 1, cabinet; 2, telescopic mechanism; 3, cabinet door; 4, heating pipe; 5, igniter; 6, oxygen tank; 7, air inlet pipe; 8, air outlet pipe; 9, telescopic bin; 10, driving motor; 11, driving screw; 12, push rod; 13, telescopic rod; 14, partition; 15, fixed plate; 16, rib plate; 17, supporting rod; 18, pad plate; 19, positioning rod; 20, positioning pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described below with reference to the drawings Figs. 1-3 It should be apparent, of course, that the detailed description and specific examples described above are merely intended for a clearer and more complete description of the application and are not intended to limit the application to the exact construction and process described.

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, a particular orientation structure and operation, and therefore cannot be understood as a limitation on the present application.

[0021] The present embodiment provides a tail gas boiler for formaldehyde production, which comprises a cabinet body 1 and a telescopic mechanism 2, the telescopic mechanism 2 is arranged on the bottom wall of the cabinet body 1, a cabinet door 3 is connected on the telescopic mechanism 2, the cabinet door 3 is arranged on one side of the cabinet body 1, the cabinet door 3 and the cabinet body 1 form a bin structure, a telescopic rod 13 is symmetrically arranged on the side surface of the cabinet body 1 close to the cabinet body 1, the other end of the telescopic rod 13 is fixedly connected in the cabinet body 1, a partition plate 14 is symmetrically arranged in the cabinet body 1, the partition plate 14 is arranged between the telescopic rods 13, the connection position of an air inlet pipe 7 and an exhaust pipe 8 is located between the two groups of partition plates 14, a heating pipe 4 is arranged through the cabinet door 3, a fire lighter 5 is connected on the top of the cabinet body 1, an oxygen tank 6 is connected on the side surface of the cabinet body 1, the air inlet pipe 7 and the exhaust pipe 8 are respectively connected on the upper end and the lower end of the side surface of the cabinet body 1, the part of the heating rod located in the cabinet body 1 is arranged in parallel, the formaldehyde tail gas is sent into the cabinet body 1 through the air inlet pipe 7, at the same time, part of oxygen is put into the oxygen pipe, then the fire lighter 5 is started, the combustion in the cabinet body 1 is started, at the same time, water flows in the heating pipe 4, thereby realizing water heating, the cabinet is separated by the partition plate 14, and the combustion area is only between the two groups of partition plates 14.

[0022] In one embodiment, specifically, the telescopic mechanism 2 comprises a telescopic bin 9, a driving motor 10, a driving screw rod 11 and a push rod 12, the telescopic bin 9 is arranged on the bottom wall of the cabinet body 1, the driving motor 10 is arranged on the side surface of the telescopic bin 9, the driving screw rod 11 is fixedly connected to the driving motor 10, the push rod 12 is sleeved on the driving screw rod 11, the push rod 12 moves through the side wall of the telescopic bin 9 and is connected to the cabinet door 3, a positioning rod 19 is symmetrically arranged in the telescopic bin 9, a positioning pipe 20 is movably sleeved on the positioning rod 19, and the positioning pipe 20 is fixedly connected to the push rod 12.

[0023] In one embodiment, specifically, the oxygen pipe is provided with a fixing plate 15 fixed on the side of the cabinet body 1, and symmetrically provided with a rib plate 16 below the fixing plate 15, the rib plate 16 being arranged on the side of the cabinet body 1, and the control valve structure being connected to the oxygen pipe.

[0024] In one embodiment, specifically, the cabinet body 1 is symmetrically provided with a support rod 17 below, and the support rod 17 is provided with a pad plate 18.

[0025] In the embodiment, the working process of the tail gas boiler for formaldehyde production is as follows: the driving motor 10 is started, the driving motor 10 drives the driving screw rod 11 to rotate, the driving screw rod 11 drives the push rod 12 to move, the cabinet door 3 and the heating pipe 4 are moved through the push rod 12, the heating pipe 4 is controlled to move away from the cabinet body 1, and then the staff cleans the powder.

[0026] The above is only an example and description of the structure of the utility model, and those skilled in the art can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the modifications or supplements or replacements do not deviate from the structure of the utility model or exceed the scope defined by the present claims, and all of the above shall belong to the protection scope of the utility model.

Claims

1. A tail gas boiler for formaldehyde production, characterized in that, Including cabinet (1) and telescopic mechanism (2), telescopic mechanism (2) is equipped on the bottom wall of cabinet (1), the telescopic mechanism (2) is connected with cabinet door (3), the cabinet door (3) is equipped on the side of cabinet (1), the cabinet door (3) and cabinet (1) constitute the structure of warehouse body, the cabinet door (3) is equipped with heating pipe (4) through, the top of cabinet (1) is connected with igniter (5), the side of cabinet (1) is connected with oxygen tank (6), the side of cabinet (1) is connected with air inlet pipe (7) and exhaust pipe (8) respectively at upper and lower ends; The telescopic mechanism (2) includes telescopic bin (9), drive motor (10), drive screw (11) and push rod (12), the telescopic bin (9) is equipped on the bottom wall of cabinet (1), the drive motor (10) is equipped on the side of telescopic bin (9), the drive screw (11) is fixedly connected to drive motor (10), the push rod (12) is sleeved on the drive screw (11), the push rod (12) moves through the side wall of telescopic bin (9) and is connected to cabinet door (3).

2. The tail gas boiler for formaldehyde production according to claim 1, characterized in that, The telescopic rod (13) is symmetrically arranged on the side of the cabinet (1) close to the cabinet (1), the other end of the telescopic rod (13) is fixedly connected to the cabinet (1), the partition plate (14) is symmetrically arranged in the cabinet (1), and the partition plate (14) is arranged between the telescopic rods (13).

3. The tail gas boiler for formaldehyde production according to claim 2, characterized in that, The connection position of the air inlet pipe (7) and the exhaust pipe (8) is located between the two groups of partition plates (14).

4. The tail gas boiler for formaldehyde production according to claim 1, characterized in that, The oxygen pipe is provided with a fixed plate (15), the fixed plate (15) is fixedly arranged on the side of the cabinet (1), the fixed plate (15) is symmetrically provided with a rib plate (16) below, the rib plate (16) is arranged on the side of the cabinet (1), and the control valve structure is connected on the oxygen pipe.

5. The tail gas boiler for formaldehyde production according to claim 1, characterized in that, The cabinet (1) is symmetrically provided with a support rod (17) below, and the support rod (17) is provided with a pad (18) below.

6. The tail gas boiler for formaldehyde production according to claim 1, characterized in that, The telescopic bin (9) is symmetrically provided with a positioning rod (19), the positioning tube (20) is movably sleeved on the positioning rod (19), and the positioning tube (20) is fixedly connected to the push rod (12).

7. The tail gas boiler for formaldehyde production according to claim 1, characterized in that, The part of the heating rod located in the cabinet (1) is arranged in parallel.

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