CN217351255U - Monotonous equipment of coke oven carbonization chamber pressure - Google Patents

Abstract

The utility model discloses a dull equipment of coke oven carbonization chamber pressure, including the tedge, install the tedge bridge pipe on the tedge, the tedge bridge pipe bottom is equipped with interface A, still includes the discharge, and the discharge top is equipped with socket B, does not stop the production condition under add between tedge bridge pipe and the discharge and be equipped with the dull valve of pressure, the tedge corresponds the position and the high position of the dull valve of pressure and is equipped with the tedge section additional. The manufacturing method and the construction method of the equipment for increasing the pressure monotonous equipment of the coking chamber of the coke oven without stopping production utilize the bell and spigot structure of the bridge pipe and the valve body, solve the problem of reasonable connection between the pressure monotonous valve 3 of the coking chamber and the original structure, and do not need to change the original equipment.

Description

Pressure monotonous equipment for coke oven carbonization chamber

Technical Field

The utility model relates to the technical field of coke oven carbonization chambers, in particular to a pressure monotonous device of a coke oven carbonization chamber.

Background

In the prior art, most of the coke ovens designed in China are put into production and have no single pressure device for the coking chambers of the coke ovens, so that the gas collecting pipe is set to have a pressure suitable for all the coking chambers in different coking times. The consequence is that the pressure of the gas collecting pipe has no pertinence to the pressure regulation of the coke oven carbonization chamber, the coal gas generation amount is 7 times of that of the coal gas generation amount in normal production during coal charging, and although high-pressure ammonia water is used for smokeless coal charging, a large amount of coal gas still overflows; in the later coking period of the coke oven, because the gas generation amount is very small, but the pressure of the gas collecting pipe is unchanged, negative pressure is generated at the bottom of the coking chamber, and a large amount of air enters the coking chamber to cause coke combustion.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the prior art, the utility model provides a technical proposal which aims at the defects and does not stop production and adds a new coke oven carbonization chamber pressure adjusting device to the coke oven which is put into production on the premise of normal production of the coke oven. Solves the technical problem that the pressure of the newly added coke oven chamber of the coke oven is monotonous when the coke oven is put into production.

The utility model provides a technical scheme that its technical problem adopted is: the coke oven carbonization chamber pressure monotonous equipment comprises an upper ascending pipe, an ascending pipe bridge pipe, a gas collecting pipe, a bearing port B, a carbonization chamber pressure monotonous valve body, a bearing port C and a plug port D, wherein the ascending pipe is provided with the ascending pipe bridge pipe, the bottom of the ascending pipe bridge pipe is provided with the plug port A, the top of the gas collecting pipe is provided with the bearing port B, the bearing port C is connected with the upper part of the carbonization chamber pressure monotonous valve body, and the plug port D is connected with the lower part of the carbonization chamber pressure monotonous valve body; under the condition of no production stop, a coking chamber pressure monotonic valve is additionally arranged between all ascending pipe bridge pipes and gas collecting pipes of the coke oven, and the ascending pipe needs to be increased by the same height as the ascending pipe increased by the coking chamber pressure monotonic valve.

Furthermore, a socket C matched with the socket A at the bottom of the riser bridge pipe is arranged at the top of the pressure monotonic valve of the carbonization chamber, and the socket A and the socket C are sealed; the bottom of the pressure monotonous valve of the carbonization chamber is provided with a socket D matched with the socket B at the top of the gas collecting pipe, and the socket B and the socket D are sealed.

Furthermore, a bracket bearing the weight of the coking chamber pressure monotonic valve is erected on a steel column of the coke oven.

Further, the increasing height of the ascending pipe corresponds to the height of the pressure monotonous valve of the carbonization chamber.

Furthermore, a pressure measuring point of a coking chamber of the coke oven is additionally arranged on the increased ascending pipe section.

Furthermore, the normal production of the coke oven is not influenced in the whole installation process, and in the whole installation process, except for the matching of the equipment, other equipment of the coke oven does not need to be changed.

To sum up, the utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

the upper part and the lower part of the pressure monotonic valve of the carbonization chamber are provided with the corresponding socket and the corresponding insertion port, so that seamless butt joint with original equipment is realized.

Secondly, in order to ensure that the monotonous valve weight of the pressure of the coking chamber does not influence the gas collecting pipe, a steel structure support is arranged on a steel column of the coke oven, and the weight of the newly added parts is completely shared on the steel column of the coke oven, so that the safety of the gas collecting pipe is ensured.

Thirdly, the pressure measuring point of the coking chamber of the coke oven is additionally arranged on the newly-added ascending pipe section, the original coke oven equipment does not need to be perforated, and the construction is convenient.

Fourthly, the construction process is operation without production stop and with coal gas, and the construction process is safe and controllable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure:

1. the riser comprises two ports B and 2, ports D and 3, a pressure monotonic valve, 4, ports C and 5, ports A and 6, riser bridge pipes and 7, newly-increased riser sections and 8 and a gas collecting pipe.

Detailed Description

The features and principles of the present invention will be described in detail below with reference to the accompanying drawings, and the illustrated embodiments are only for explaining the present invention, and do not limit the scope of the present invention.

As shown in figure 1, the pressure monotonous equipment of the coking chamber of the coke oven comprises a riser, a riser bridge pipe 6 is arranged on the riser, a plug-in port A5 is arranged at the bottom of the riser bridge pipe 6, and the pressure monotonous equipment also comprises a gas collecting pipe 8, and a socket port B1 is arranged at the top of the gas collecting pipe 8. In the original structure, the socket A5 is inserted on the socket B1. The utility model discloses under the condition of not stopping production, install pressure monotonic valve 3 additional between tedge bridge pipe 6 and discharge 8, install newly-increased riser section 7 additional at the position and the high position that the tedge corresponds pressure monotonic valve 3. Namely, the installation position of the coking chamber pressure monotonic valve 3 of the coke oven is the lower part (the inserting port A5) of a bridge pipe 6 of an ascending pipe of the coke oven, the connection relation between the inserting port A5 and a socket B is disconnected, and the coking chamber pressure monotonic valve 3 is additionally installed at the disconnected position.

The top of the pressure monotonic valve 3 is provided with a socket C4 matched with a socket A5 at the bottom of the ascending pipe bridge pipe 6, and the socket A5 and the socket C4 are sealed. The bottom of the pressure monotonic valve 3 is provided with a socket D2 matched with a socket B1 on the top of the gas collecting pipe 8, and the socket B1 and the socket D2 are sealed. In order to keep the function of the socket B and reasonably solve the problem of connection and sealing of the monotonous valve of the coking chamber of the coke oven, the specific method is to newly manufacture a new plug-in port D2 which is the same as the plug-in port A5 of the ascending pipe bridge 6 at the lower part of the newly-added monotonous valve 3 of the coking chamber pressure, insert the original socket B1 and follow the structure of sealing by the original filler. A new bell mouth C4 which is the same as the original bell mouth B1 is newly made on the upper part of the pressure monotonic valve 3 of the newly added carbonization chamber, and is connected with the lower part socket A5 of the ascending pipe bridge pipe 6, and the structure of sealing by the original filler is adopted.

In order to ensure that the weight of the pressure monotonic valve 3 of the newly added coke oven carbonization chamber, the bearing port C4 and the insertion port D2 which are newly added on and under the monotonic valve does not influence the gas collecting pipe 8, a steel structure support is supported on a steel column of the coke oven, the weight of the newly added components is borne by the steel column of the coke oven, the safety of the gas collecting pipe 8 is ensured, and the support bearing the weight of the pressure monotonic valve 3 is erected on the steel column of the coke oven.

The height of the newly-increased ascending pipe section 7 corresponds to the height of the pressure monotone valve 3, for example, the height of the newly-increased coke oven coking chamber pressure monotone valve 3 is 1140mm, and the newly-increased ascending pipe section 7 is required to be increased by corresponding height 1140 mm. The pressure measuring point of the coking chamber of the coke oven corresponds to the newly added ascending pipe section 7 which is additionally arranged.

The construction scheme is as follows:

the pressure monotonous equipment construction of the coking chamber of the coke oven is carried out under the condition of normal production of the coke oven, so the operation is required to be started 4 hours before the coke oven generates a small amount of coke oven to be discharged. During construction, the operation with gas is carried out all the time, the smoke guide hole close to the coke side of the coke oven top is required to be opened, 4 compressed air hoses are prepared for two purposes, the compressed air hose is inserted into the ascending pipe, and the gas is pumped to the smoke guide hole close to the coke side of the oven top to be combusted. In the installation process of the equipment, compressed air is always used for pressing and conveying the coal gas generated by the coke oven to a smoke guide hole on the top of the oven close to the coke side for burning, so that the coal gas is prevented from emerging from the ascending pipe and burning constructors. For a single riser, the main contents and steps of the transformation are as follows:

(1) closing a gas cut-off valve between the riser bridge pipe 6 and the gas collecting pipe 8, and cutting off the connection between the riser and the gas collecting pipe 8;

(2) removing the water feeding pipe and the water seal full-flow water outlet groove of the water seal cover of the ascending pipe;

(3) cutting off a circulating ammonia water pipeline at the position of the riser bridge pipe 6;

(4) hanging down the riser bridge pipe 6;

(5) installing a prepared monotonic valve assembly, and supporting and fixing the pressure monotonic valve 3 assembly;

(6) installing an ascending pipe bridge pipe 6 and a newly-added ascending pipe section 7;

(7) sealing the upper bell and spigot of the pressure monotonic valve 3 assembly;

(8) the circulating ammonia water pipeline is lengthened and recovered. Recovering the water seal cover of the ascending pipe to cover the water supply pipeline and the water discharge pipeline;

(9) adjusting the single adjusting valve to the position of the maximum opening degree;

(10) normal production is recovered;

(11) after the coke oven is recovered and produced, an operation platform is newly built at the position 2m above the original gas collecting pipe 8 platform, and the stairs of the new platform are installed on the small platform at the gas suction pipe.

After the pressure monotonic valve 3 of the whole furnace is replaced, the construction of various pipelines and automatic control systems is considered, and the monotonous adjusting system is put into use once after all the construction is finished. The monotonous use condition of the carbonization chamber is that the pressure of the gas collecting pipe 8 is negative pressure, and for a coke oven with the diameter of 6.25m, the pressure of the gas collecting pipe 8 is controlled between-200 Pa and-300 Pa.

The manufacturing method and the construction method of the device for increasing the pressure monotony equipment of the coking chamber of the coke oven without stopping production utilize the bell and spigot structure of the bridge pipe and the valve body, solve the problem of reasonable connection between the pressure monotony valve 3 of the coking chamber and the original structure, and do not need to change the original device.

The above-mentioned embodiments are merely descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and those skilled in the art should be able to make various modifications and improvements on the present invention without departing from the spirit of the present invention.

Claims (6)

1. The coke oven coking chamber pressure monotonous equipment comprises an upper ascending pipe, an ascending pipe bridge pipe arranged on the ascending pipe, a socket A arranged at the bottom of the ascending pipe bridge pipe, a gas collecting pipe, and a socket B arranged at the top of the gas collecting pipe, and is characterized by further comprising a coking chamber pressure monotonous valve body, a socket C connected with the upper part of the coking chamber pressure monotonous valve body, and a socket D connected with the lower part of the coking chamber pressure monotonous valve body; under the condition of no stop of production, a coking chamber pressure monotonous valve is additionally arranged between all ascending pipe bridge pipes and gas collecting pipes of the coke oven, and the ascending pipe needs to be increased by the same height as the ascending pipe increased by the coking chamber pressure monotonous valve.

2. The coke oven coking chamber pressure monotonous equipment as claimed in claim 1, wherein the top of the coking chamber pressure monotonous valve is provided with a socket C matched with a socket A at the bottom of a riser bridge pipe, and the socket A and the socket C are sealed; the bottom of the pressure monotonous valve of the carbonization chamber is provided with a socket D matched with the socket B at the top of the gas collecting pipe, and the socket B and the socket D are sealed.

3. The coke oven coking chamber pressure monotonous apparatus of claim 1, characterized in that a bracket bearing the weight of the coking chamber pressure monotonous valve is erected on a steel column of the coke oven.

4. The coke oven coking chamber pressure monotonous apparatus of claim 1, wherein the ascending tube increases in height corresponding to the height of the coking chamber pressure monotonous valve.

5. The coke oven chamber pressure monotony apparatus of claim 1, wherein the coke oven chamber pressure measurement point is added on the ascending pipe section.

6. The coke oven coking chamber pressure monotonous apparatus of claim 1, characterized in that the normal production of the coke oven is not affected in the whole installation process, and in the whole installation process, except for the cooperation of the above-mentioned apparatus, no change is required to be made to other apparatuses of the coke oven.

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