Recyclable spraying type cooling mechanism for raw gas

Abstract

The utility model relates to the technical field of raw coke oven gas treatment, and discloses a circulating spraying type cooling mechanism for raw coke oven gas, which comprises a cooling box, the upper end of one side of the cooling box is communicated with an exhaust pipeline, the middle part of the other side of the cooling box is fixedly provided with a servo motor, and the output end of the servo motor is provided with a stirring rod. According to the technical scheme provided by the utility model, the water absorption sponge layer arranged in the exhaust channel can be used for carrying out water vapor interception treatment on the cooled raw gas, so that the conditions that the entrained water possibly influences the subsequent treatment of the raw gas, the water content in the gas is increased, and the quality and the heat value of the gas are influenced are reduced; and an extrusion plate can continuously move upwards and is driven to move downwards and reset in cooperation with a reset spring and a balance weight plate, so that the extrusion plate moves up and down in a reciprocating mode, water intercepted in a water absorption sponge layer is conveniently extruded out, and it is guaranteed that follow-up passing raw gas is treated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of raw coal gas treatment, specifically to a cooling mechanism for raw coal gas with circulating spraying. BACKGROUND

[0002] With the development of the steel industry, the coking industry related to steel production is also constantly progressing, and the related coking equipment is also constantly improved and innovated according to actual production needs. For example, due to the excessively high temperature of raw coal gas generated in the coking production process, in order to further process the coke oven gas, the high-temperature raw coal gas needs to be cooled and treated. The specific method is to spray circulating ammonia water to cool the high-temperature raw coal gas when it comes into contact with the ammonia water.

[0003] Through retrieval, the publication No. (CN216513719U) discloses a cooling mechanism for raw coal gas with circulating spraying, which comprises a shell, an air inlet pipe and an air outlet pipe fixedly connected to the top of the shell, the air inlet pipe and the air outlet pipe being in communication with the inner cavity of the shell, four support foot bases arranged in a rectangular array and fixedly connected to the bottom of the shell, two conveying assemblies arranged in the inner cavity of the shell, the two conveying assemblies being in communication through a connecting pipe, a connecting seat fixedly connected to one side of the conveying assembly away from the connecting pipe, a drive motor bolted to one side of the shell, an output shaft of the drive motor penetrating the shell and in transmission connection with the connecting seat, the output shaft of the drive motor being in rotational connection with the shell, and a water tank fixedly connected to the bottom of the shell.

[0004] In the implementation of this technical scheme, at least the following defects exist: Although the utility model can fully contact and cool the raw coal gas and ammonia water, during heat exchange, due to the evaporation of ammonia water and the flow of raw coal gas, part of the water in ammonia water may be carried out by raw coal gas. The carried water may affect the subsequent treatment of raw coal gas, such as increasing the water content in the coal gas, affecting the quality and calorific value of the coal gas, etc., which needs to be improved. Therefore, we propose a cooling mechanism for raw coal gas with circulating spraying. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a cooling mechanism for raw coal gas with circulating spraying, which solves the problem of the background technology that during heat exchange, due to the evaporation of ammonia water and the flow of raw coal gas, part of the water in ammonia water may be carried out by raw coal gas. The carried water may affect the subsequent treatment of raw coal gas, such as increasing the water content in the coal gas, affecting the quality and calorific value of the coal gas, etc.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of cooling mechanism for raw coal gas with recyclable spraying, including cooling box, the side upper end of the cooling box is communicated with exhaust duct, the other side middle part of the cooling box is fixedly installed with servo motor, the output end of the servo motor is installed with agitator rod, the other side upper end of the cooling box is communicated with air inlet pipe, the side lower end of the cooling box is detachably installed with circulating pump, the input end of the circulating pump is communicated with liquid inlet pipe, the inner chamber of the exhaust duct is provided with extrusion plate;

[0007] The upper and lower sides of the extrusion plate are both bonded with water-absorbing sponge layers, one end of the water-absorbing sponge layers is bonded with the inner wall of the exhaust duct, one end of the agitator rod is fixedly installed with a cam rod, and the cam rod is arranged below the extrusion plate, one end of the exhaust duct is communicated with a return pipe, and the other end of the return pipe is communicated with the side lower end of the cooling box.

[0008] By adopting the above technical scheme, the water vapor in the raw coal gas after cooling treatment can be intercepted by the water-absorbing sponge layer arranged in the exhaust passage, thereby reducing the influence of the water vapor on the subsequent treatment of the raw coal gas, increasing the water content in the coal gas, and affecting the quality and calorific value of the coal gas. The cam rod on the agitator rod can continuously push the extrusion plate upward during the rotation of the agitator rod, and the extrusion plate can be driven downward by the return spring and the counterweight plate to reset, thereby moving up and down, facilitating the extrusion of the water vapor in the water-absorbing sponge layer, and ensuring the treatment of the subsequent raw coal gas.

[0009] Optionally, the other end of the return spring is fixedly connected with the inner chamber of the cooling box.

[0010] By adopting the above technical scheme, the extrusion plate can be reset by the return spring, and the extrusion plate can be moved downward.

[0011] Optionally, the side upper end of the extrusion plate is welded with a limiting rod, and the limiting rod is movably connected with the upper end of the exhaust duct.

[0012] By adopting the above technical scheme, the stability of the upward and downward movement of the extrusion plate can be ensured by the limiting rod.

[0013] Optionally, the front and rear sides of the extrusion plate are both welded with counterweight plates, and the counterweight plates are symmetrically arranged.

[0014] By adopting the above technical scheme, the extrusion plate can be moved downward by the counterweight plates.

[0015] Optionally, the output end of the circulating pump is communicated with a liquid outlet pipe, and the tail end of the liquid outlet pipe is communicated with a spray head.

[0016] By adopting the technical scheme, the ammonia water can be sprayed on the raw coal gas through the spray head.

[0017] Optionally, the front end of the cooling box is sealingly provided with an observation window.

[0018] By adopting the technical scheme, the cooling condition of the raw coal gas can be observed through the observation window.

[0019] Compared with the prior art, the technical scheme has the following beneficial effects:

[0020] The cooling box, the servo motor, the circulating pump, the spray head, the water absorption sponge layer, the counterweight plate and the cam rod are arranged, the water absorption sponge layer arranged in the exhaust passage can be used for water vapor interception treatment of the raw coal gas after the cooling treatment, so that the influence of the water carried on the subsequent treatment of the raw coal gas is reduced, the water content in the coal gas is increased, and the quality and the calorific value of the coal gas are affected, the cam rod on the stirring rod is continuously pushed to the pressing plate during the rotation of the stirring rod, the pressing plate is continuously moved upward, the pressing plate is driven downward by the return spring and the counterweight plate to reset, and the pressing plate moves up and down, so that the water in the water absorption sponge layer is easily squeezed out, and the subsequent raw coal gas is treated. BRIEF DESCRIPTION OF DRAWINGS

[0021] Other features, objects and advantages of the present application will become more apparent from the following detailed description of non-limiting embodiments, read in conjunction with the accompanying drawings:

[0022] Fig. 1 FIG. 1 is a perspective view of a cooling mechanism for raw coal gas according to the present application;

[0023] Fig. 2 FIG. 1 is a perspective view of a cooling mechanism for raw coal gas according to the present application;

[0024] Fig. 3 FIG. 1 is a perspective view of a cooling mechanism for raw coal gas according to the present application;

[0025] In the figure: 1, cooling box; 11, exhaust pipe; 12, servo motor; 13, stirring rod; 14, air inlet pipe; 15, observation window; 2, circulating pump; 21, liquid inlet pipe; 22, liquid outlet pipe; 23, spray head; 3, pressing plate; 31, water absorption sponge layer; 32, return spring; 33, limiting rod; 34, counterweight plate; 4, return pipe; 5, cam rod. DETAILED DESCRIPTION

[0026] Referring to Figs. 1-3 The utility model provides a technical scheme: a kind of circulating spray type cooling mechanism for raw coal gas, including cooling box 1, the upper end of one side of cooling box 1 is communicated with exhaust duct 11, servo motor 12 is fixedly installed in the middle of the other side of cooling box 1, the output end of servo motor 12 is installed with agitator rod 13, the upper end of the other side of cooling box 1 is communicated with air inlet pipe 14, and circulating pump 2 is detachably installed in the lower end of one side of cooling box 1, and the input end of circulating pump 2 is communicated with liquid inlet pipe 21, and the inner cavity of exhaust duct 11 is provided with extrusion plate 3;

[0027] Water-absorbing sponge layer 31 is adhered to the upper and lower sides of extrusion plate 3, the other end of water-absorbing sponge layer 31 is adhered to the inner wall of exhaust duct 11, one end of agitator rod 13 is fixedly installed with cam rod 5, and cam rod 5 is arranged below extrusion plate 3, one side lower end of exhaust duct 11 is communicated with backflow pipe 4, the other end of backflow pipe 4 is communicated with the lower end of one side of cooling box 1, counterweight plate 34 is welded on the front and rear sides of extrusion plate 3, and counterweight plate 34 is symmetrically arranged, so that extrusion plate 3 can be driven to move downward by the arrangement of counterweight plate 34, the output end of circulating pump 2 is communicated with liquid outlet pipe 22, the tail end of liquid outlet pipe 22 is communicated with spray head 23, so that raw coal gas can be sprayed with ammonia water cooling treatment by the arrangement of spray head 23, and observation window 15 is sealingly installed at the front end of cooling box 1, so that the cooling condition of raw coal gas can be observed by the arrangement of observation window 15.

[0028] Reset spring 32 is fixedly installed at the other side upper end of extrusion plate 3, and the other end of reset spring 32 is fixedly connected with the inner cavity upper end of cooling box 1, so that extrusion plate 3 can be reset by the arrangement of reset spring 32, and extrusion plate 3 moves downward.

[0029] Limiting rod 33 is welded on the upper end of one side of extrusion plate 3, and limiting rod 33 is movably connected with the upper end of exhaust duct 11, so that the stability of the upward and downward movement of extrusion plate 3 can be ensured by the arrangement of limiting rod 33.

[0030] When cooling, first put the raw gas into the cooling box 1 through the inlet pipe 14, then open the circulating pump 2, make the shower head 23 spray ammonia water, at the same time, the servo motor 12 drives the stirring rod 13 to rotate, then make the raw gas and ammonia water fully contact and cool down, at the same time, the water vapor interception treatment is carried out to the raw gas passing through after cooling treatment through the water absorption sponge layer 31 arranged in the exhaust passage, thereby reducing the influence of the water entrained on the subsequent treatment of the raw gas, thereby increasing the water content in the gas, affecting the quality and calorific value of the gas, at the same time, in the rotating process of the stirring rod 13, the cam rod 5 on the stirring rod 13 continuously pushes the extrusion plate 3, so that the extrusion plate 3 continuously moves upward, and then the reset spring 32 and the counterweight plate 34 drive the extrusion plate 3 to move downward to reset, so that the extrusion plate 3 moves up and down reciprocatingly, thereby facilitating the extrusion of the water intercepted in the water absorption sponge layer 31, thereby ensuring the treatment of the subsequent passing raw gas.

Claims

1. A recirculating spray type coke oven gas cooling mechanism comprising a cooling box (1), characterized in that: One side upper end of the cooling box (1) is communicated with an exhaust pipeline (11), a servo motor (12) is fixedly installed at the other side middle part of the cooling box (1), an agitating rod (13) is installed at the output end of the servo motor (12), an air inlet pipe (14) is communicated with the other side upper end of the cooling box (1), a circulating pump (2) is detachably installed at the one side lower end of the cooling box (1), a liquid inlet pipe (21) is communicated with the input end of the circulating pump (2), and an extrusion plate (3) is arranged in the inner cavity of the exhaust pipeline (11). Water absorption sponge layers (31) are bonded on the upper and lower sides of the extrusion plate (3), one end of the water absorption sponge layer (31) is bonded with the inner wall of the exhaust pipeline (11), a cam rod (5) is fixedly installed at one end of the agitating rod (13), the cam rod (5) is arranged below the extrusion plate (3), a backflow pipe (4) is communicated with the one side lower end of the exhaust pipeline (11), and the other end of the backflow pipe (4) is communicated with the one side lower end of the cooling box (1).

2. A recirculating spray type cooling mechanism for crude coal gas according to claim 1, wherein: A reset spring (32) is fixedly installed at the other side upper end of the extrusion plate (3), and the other end of the reset spring (32) is fixedly connected with the inner cavity upper end of the cooling box (1).

3. A recirculating spray type cooling mechanism for crude coal gas as set forth in claim 1, wherein: A limiting rod (33) is welded at the one side upper end of the extrusion plate (3), and the limiting rod (33) is movably connected with the upper end of the exhaust pipeline (11).

4. A recirculating spray type cooling mechanism for crude coal gas according to claim 1, wherein: Counterweight plates (34) are welded on the front and rear sides of the extrusion plate (3), and the counterweight plates (34) are symmetrically arranged.

5. A recirculating spray type cooling mechanism for crude coal gas according to claim 1, wherein: An outlet pipe (22) is communicated with the output end of the circulating pump (2), and a spray head (23) is communicated with the tail end of the outlet pipe (22).

6. A recirculating spray type cooling mechanism for crude coal gas according to claim 1, wherein: An observation window (15) is sealingly installed at the front end of the cooling box (1).

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