CN213202916U

CN213202916U - Fully-integrated flange type pneumatic control unit box

Info

Publication number: CN213202916U
Application number: CN202022202548.8U
Authority: CN
Inventors: 武良辰; 武兆乾
Original assignee: NANJING HUYOU METALLURGY MACHINERY MANUFACTURING CO LTD
Current assignee: NANJING HUYOU METALLURGY MACHINERY MANUFACTURING CO LTD
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-14
Anticipated expiration: 2030-09-30

Abstract

The utility model provides a full integration flange formula gas accuse unit case, set up to box and shell two part structure, including pneumatic drive unit, gas circuit integrated unit, upper flange, lower flange, pressure detection unit, pneumatic guide part, manual valve in the box, wherein gas circuit integrated unit upper end is through upper flange and pneumatic drive unit fixed connection, the lower extreme is connected to the lower flange; the pressure detection unit is fixedly arranged on one side of the gas circuit integrated unit, the pneumatic pilot parts are fixedly arranged on two end parts of the gas circuit integrated unit through fasteners, and the manual valve is fixedly arranged on one side of the pneumatic pilot parts. The internal gas circuit of the device adopts the aluminum alloy integrated gas circuit optimal design, cooperates with the flange type patch solenoid valve, the pneumatic pilot valve, the manual valve and the pneumatic drive unit to combine, thereby greatly reducing the space of the cabinet body, leading the whole gas circuit to be highly integrated, having quicker response and higher operating efficiency.

Description

Fully-integrated flange type pneumatic control unit box

Technical Field

The utility model belongs to coke oven corollary equipment field relates to a full integrated flange formula gas accuse unit case.

Background

With the development of industry and the adjustment of national industrial policy and environmental protection policy, the requirement for the high-energy-consumption and high-pollution coking industry is higher and higher. In order to meet the industrial development and new national environmental protection requirements, a single-coking chamber pressure control system is actively designed and matched with a large newly-built coke oven, and an online modification and increase of the single-coking chamber pressure control system is urgently needed in a coke oven to ensure safe production, improve the product quality, reduce the environmental pollution and prolong the furnace life. The pneumatic control combination box of the pressure control system in the single carbonization chamber is a very key matching device. The current main one is to adopt the solenoid valve to cooperate a large amount of internal pipelines, and the second is to adopt solenoid valve, pilot valve to cooperate a small amount of internal pipelines to constitute. Although meeting the process requirements, the following drawbacks are also present:

1. the space in the box body is limited due to the fact that a part of pipe joints and pipelines are arranged inside the box body, and daily maintenance and part replacement are difficult.

2. The internal gas circuit and the external process control equipment are connected by adopting connector pipelines, the connecting points are many, and 10 groups of pipeline connectors are conventionally arranged, so that the online replacement is very difficult and the pipeline connectors need to be detached one by one.

3. The system control signal wire also has more cores, and also needs to be removed one by one when the whole system control signal wire is replaced, and the wiring sequence is ensured not to be misplaced when the system control signal wire is recovered, otherwise, the misoperation of process equipment can be caused, and certain potential safety hazards exist.

4. Wherein, the valve positioner and the pressure sensor of the external control equipment are both arranged in a high-temperature area, and the damage rate is very high after long-term work. The entire control is confused after damage.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a fully integrated flange formula gas accuse unit case that independently development performance is superior specifically is a fully integrated flange formula gas accuse unit case, sets up to box and shell two part structure, including pneumatic drive unit, gas circuit integrated unit, upper flange, lower flange, pressure detection unit, pneumatic guide part, manual valve in the box, wherein gas circuit integrated unit upper end is through upper flange and pneumatic drive unit fixed connection, and the lower extreme is connected to the lower flange; the pressure detection unit is fixedly arranged on one side of the gas circuit integrated unit, the pneumatic pilot parts are fixedly arranged on two end parts of the gas circuit integrated unit through fasteners, and the manual valve is fixedly arranged on one side of the pneumatic pilot parts.

As the improvement, still include the solenoid valve, for SMD solenoid valve, be provided with the multiunit, be dislocation paster structural installation between the multiunit, equal fixed mounting is in gas circuit integrated unit one side, with flange structure phase-match.

As an improvement, the gas-liquid separator further comprises a manual control gas control unit and a working condition switching valve, wherein the manual control gas control unit is fixedly installed on one side of the bottom of the gas circuit integrated unit, and the working condition switching valve is fixedly installed on one side of the top of the gas circuit integrated unit.

As an improvement, the gas circuit integrated unit is provided with a plurality of groups of gas circuit pipelines, wherein the pipelines are in a multi-gas circuit single-flange type connection structure.

Has the advantages that: the utility model provides a full integrated flange formula gas accuse unit case, the inside gas circuit of the device adopts the integrated gas circuit optimal design of aluminum alloy, cooperation flange formula paster solenoid valve, pneumatic pilot valve, manual valve, pneumatic drive unit makes up, the cabinet body space has been dwindled by a wide margin, adopt pneumatic drive unit to replace and embed the gas circuit with the valve positioner simultaneously, pressure sensor is built-in and is equipped with the protection gas and keep apart the detection, adopt the little malleation circulation drainage of compressed air in the box, it adopts explosion-proof aviation connector to connect to introduce the extraction signal, it adopts many gas circuits single flange formula hookups to introduce the extraction gas circuit pipeline.

The whole unit box enables the whole gas circuit to be highly integrated, the reaction is quicker, and the operation efficiency is higher. Because of all adopting SMD dislocation design, routine maintenance can be simply effectual to the part maintain and overhaul, when needs whole change, only need loosen four fixing bolt and the explosion-proof aviation connector of gas circuit hookup flange can, new unit case also only need fasten four fixing bolt and the explosion-proof aviation connector of gas circuit hookup flange can, simple and convenient. Most importantly, the potential safety hazard of misoperation caused by misplacement of the connection sequence of the gas circuit and the circuit in the replacement process is effectively avoided. After the external valve positioner and the pressure sensor are internally replaced, the damage rate is greatly reduced, the production safety is ensured, and the production and maintenance cost is reduced. The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is an internal schematic diagram of the unit box of the present invention.

Fig. 2 is a three-dimensional structure diagram of the unit box of the present invention.

In the drawings: 1. a pneumatic drive unit; 2. a gas circuit integration unit; 3. an upper flange; 4. a lower flange; 5. a pressure detection unit; 6. a manual valve; 7. a working condition switching valve; 8. a pneumatic pilot component; 9. an electromagnetic valve; 10. and a manual air control unit.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

A fully-integrated flange type pneumatic control unit box is provided with a box body and a shell, wherein the box body comprises a pneumatic driving unit 1, a gas circuit integrated unit 2, an upper flange 3, a lower flange 4, a pressure detection unit 5, a pneumatic pilot component 8 and a manual valve 6, the upper end of the gas circuit integrated unit 2 is fixedly connected with the pneumatic driving unit 1 through the upper flange 3, and the lower end of the gas circuit integrated unit is connected to the lower flange 4; the pressure detection unit 5 is fixedly installed at one side of the gas circuit integrated unit 2, the pneumatic pilot component 8 is fixedly installed at two end parts of the gas circuit integrated unit 2 through fasteners, and the manual valve 6 is fixedly installed at one side of the pneumatic pilot component 8. The pneumatic pilot component 8 is preferably selected as a pneumatic pilot valve, selected as an ISO5599 series non-seated pneumatic pilot valve, and the manual valve 5 is preferably selected as an ISO5599 manual control valve.

Still include solenoid valve 9, for SMD solenoid valve, be provided with the multiunit, be dislocation paster structural installation between the multiunit, equal fixed mounting is in gas circuit integrated unit 2 one side, with flange structure phase-match.

The gas circuit integrated unit is characterized by further comprising a manual control gas control unit 10 and a working condition switching valve 7, wherein the manual control gas control unit 10 is fixedly installed on one side of the bottom of the gas circuit integrated unit 2, and the working condition switching valve 7 is fixedly installed on one side of the top of the gas circuit integrated unit 2. The gas circuit integrated unit 2 is provided with a plurality of groups of gas circuit pipelines, wherein the pipelines are in a multi-gas circuit single flange type connection structure.

When the control box is used for controlling the working conditions, the action control of the actuating mechanism can be realized by switching the position of the working condition switching valve 7 to different, opening and closing the ascending pipe cover and opening and closing the quick injection valve under the three working conditions of coal charging, coking and coke pushing, and the following specific switching working condition switching valves 7 are different in position, and the specific state table is shown in table 1.

TABLE 1 Flange type air hole unit box state table

The following specific process description is now made for the different states in table 1.

When the valve working condition switching valve A1 is at left position (working condition of coke pushing)

1) Compressed air is fed to the pneumatic control end of a valve H through an A1 valve to push a B1 valve to change direction, the compressed air cannot pass through a valve B1, the pneumatic control ends of the valves B3, B2 and B4 are exhausted, after a spring is reset, the compressed air reaches an O5 air source output hole through valves A1 and B3 to drive an actuating mechanism 3 to descend (extend), and an O5 air outlet hole and an O6 air outlet hole are disconnected with a pneumatic drive unit and cannot be controlled to control

2) At this time, when the explosion-proof electromagnetic valves D3 and D4 are powered on or powered off, the B5 valve is reset under the action of the spring and can not be switched, and compressed air pushes the actuating mechanism 2 to be opened through the B5 valve and an O4 air source output hole on the valve block. Manual valve a2 is not active.

3) At this time, when the explosion-proof electromagnetic valves D1 and D2 are powered on or powered off, the E1 valve is reset under the action of the spring and cannot be reversed, and compressed air pushes the actuating mechanism 1 to be opened through the E1 valve and an O2 air source output hole on the valve block. However, this valve action can be achieved by reversing the E1 valve with a manual valve.

When the switching valve A is in the middle position (coking condition)

1) After the springs are reset, compressed air reaches the pilot ports of the valves B3 and B4 through the valves B1 and B2 to push the valves B3 and B4 to change directions, the air outlet holes O5 and O6 are communicated with the interface of the pneumatic driving unit, and the actuating mechanism is controlled by the pneumatic driving unit to adjust the stroke position of the actuating mechanism.

2) At the moment, the explosion-proof electromagnetic valve D4 is electrified, when the D3 is electrified, compressed air flows to the right pilot port of the C2 pneumatic control valve through the D4 electromagnetic valve to push the F valve to change the direction, the compressed air flowing through the B1 valve flows to the left pilot port of the B5 valve through the C2 and the A2 to push the B5 valve to change the direction, the compressed air flows to the actuating mechanism 1 through the B5 valve and an O3 air source output hole on the valve block, and the actuating mechanism 1 is controlled to be closed. At the moment, the on-off of the pilot gas can be controlled by the manual valve A2, so that the reversing of the B5 valve is controlled, and the opening and closing of the valve are further controlled. When the explosion-proof electromagnetic valve D3 is electrified and the D4 is deenergized, compressed air flows to the left pilot port of the C2 pneumatic control valve through the D3 electromagnetic valve to push the C2 valve to change the direction, the compressed air flowing through the B1 valve cannot flow through the C2 to cut off a pilot air source of the B5 valve, the B5 valve is reset under the action of spring force, the compressed air flows to the actuating mechanism 2 through the B5 valve and an O4 air source output hole on the valve block, and the actuating mechanism 2 is controlled to be opened. Manual valve a2 is now inoperative.

3) At the moment, the explosion-proof electromagnetic valve D2 is electrified, when the D1 is electrified, compressed air flows to the right pilot port of the C1 pneumatic control valve through the D2 electromagnetic valve to push the C1 valve to change direction, the compressed air flowing from the B1 valve flows to the left pilot port of the E1 valve through the C1 valve to push the E1 valve to change direction, and the compressed air flows to a valve cylinder through the E1 valve and an O1 air source output hole on the valve block to control the valve to be closed. The manual switch of the manual valve E1 is not active at this time. When the explosion-proof electromagnetic valve D1 is electrified and the D2 is not electrified, compressed air flows to the left pilot port of the C1 pneumatic control valve through the D1 electromagnetic valve to push the C1 valve to change the direction, the compressed air flowing through the B1 valve cannot flow through the C1 to cut off a pilot air source of the E1 valve, the E1 valve is reset under the action of spring force, the compressed air flows to the execution mechanism 1 through the E valve and an O2 air source output hole on the valve block, and the execution mechanism 1 is controlled to be opened. The manual switch of the pneumatic control valve E1 is activated, and the reversing of the E1 valve can be controlled manually, so that the actuator 1 is controlled to be opened or closed.

When the switching valve A is at right position (coal loading condition)

1) The valves B1, B3 and B4 are firstly used for air guide and evacuation, after the spring is reset, compressed air drives the air cylinder to move upwards (retract) through the A1 valve, the B4 valve and the O5 air source output hole on the valve block, the O5 air outlet hole and the O6 air outlet hole are disconnected with the interface of the pneumatic driving unit, and the pneumatic driving unit cannot control the operation of the executing mechanism 3. At this point, the B1 is reset, the B2 valve is pneumatically reversed, and pilot gas flows into the next stage.

2) At this time, when the explosion-proof electromagnetic valve D4 is powered on and the D3 is powered off, compressed air flows to the right pilot port of the C2 pneumatic control valve through the D4 electromagnetic valve, the C2 is pushed to change the direction, the compressed air flows to the left pilot port of the B5 valve through the B1 valve, the C2 and the A2, the B5 valve is pushed to change the direction, and the compressed air pushes the execution mechanism 1 to close through the B5 valve and an O3 air source output hole on the valve block. At the moment, the on-off of the pilot gas can be controlled by the manual valve A2, so that the reversing of the B5 valve is controlled, and the opening and closing of the valve are further controlled. When the explosion-proof electromagnetic valve D3 is electrified and the D4 is deenergized, compressed air flows to the left pilot port of the C2 pneumatic control valve through the D3 electromagnetic valve to push the C2 valve to change the direction, the compressed air flowing through the B1 valve cannot pass through the C2 to cut off a pilot air source of the B5 valve, the B5 valve resets under the action of spring force, and the compressed air pushes the actuating mechanism 2 to open through the B5 valve and an O4 air source output hole on the valve block. At this time, the manual valve a2 does not perform a control function.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a full integrated flange formula gas accuse unit case which characterized in that: the pneumatic power generation device is of a box body and shell two-part structure, wherein a pneumatic driving unit (1), a gas circuit integrated unit (2), an upper flange (3), a lower flange (4), a pressure detection unit (5), a pneumatic pilot part (8) and a manual valve (6) are arranged in the box body, the upper end of the gas circuit integrated unit (2) is fixedly connected with the pneumatic driving unit (1) through the upper flange (3), and the lower end of the gas circuit integrated unit is connected to the lower flange (4); the pressure detection unit (5) is fixedly arranged on one side of the gas circuit integrated unit (2), the pneumatic pilot parts (8) are fixedly arranged on two end parts of the gas circuit integrated unit (2) through fasteners, and the manual valve (6) is fixedly arranged on one side of the pneumatic pilot parts (8).

2. The fully integrated flange-type pneumatic control unit box according to claim 1, characterized in that: still include solenoid valve (9), for SMD solenoid valve, be provided with the multiunit, be dislocation paster structural installation between the multiunit, equal fixed mounting is in gas circuit integrated unit (2) one side, with flange structure phase-match.

3. The fully integrated flange-type pneumatic control unit box according to claim 1, characterized in that: the gas circuit integrated unit is characterized by further comprising a manual control gas control unit (10) and a working condition switching valve (7), wherein the manual control gas control unit (10) is fixedly installed on one side of the bottom of the gas circuit integrated unit (2), and the working condition switching valve (7) is fixedly installed on one side of the top of the gas circuit integrated unit (2).

4. The fully integrated flange-type pneumatic control unit box according to claim 1, characterized in that: the gas circuit integrated unit (2) is provided with a plurality of groups of gas circuit pipelines, wherein the pipelines are of a multi-gas circuit single-flange type connection structure.