CN214497762U

CN214497762U - Acetylene production drainage device

Info

Publication number: CN214497762U
Application number: CN202120453116.6U
Authority: CN
Inventors: 倪学仁; 田海峰
Original assignee: TAICANG JINYANG GAS CO Ltd
Current assignee: TAICANG JINYANG GAS CO Ltd
Priority date: 2021-03-02
Filing date: 2021-03-02
Publication date: 2021-10-26
Anticipated expiration: 2031-03-02

Abstract

The utility model relates to an acetylene production drainage device, including the tank, tank bottom intercommunication has the drain pipe, drain pipe intercommunication external pipeline, install electric valve on the drain pipe, be equipped with the PH detector that is used for carrying out the detection to the water PH value in the tank on the tank, the PH detector is connected with the controller, the controller is connected with electric valve. The application has the effect of draining water more safely and environmentally in the industrial acetylene production process.

Description

Acetylene production drainage device

Technical Field

The application relates to the technical field of sewage discharge, in particular to a drainage device for acetylene production.

Background

Acetylene is a common gas in industry, and is mostly used for welding, lighting and the like.

The acetylene is generally produced industrially by adopting calcium carbide and water to react, the calcium carbide enters a reaction barrel through a charging barrel, a water body is pumped into the reaction barrel from a production water pool, and the calcium carbide and water react in the reaction barrel. The chemical components of the calcium carbide are mainly calcium carbide, and the reaction between the calcium carbide and water mainly generates acetylene gas and calcium hydroxide.

Acetylene gas that the reaction produced is sent to the filling line and is carried out the gas cylinder and fill, calcium hydroxide is along with drainage system is arranged to the tank, the pH value of the waste water self that contains calcium hydroxide is higher, be alkaline, the pH value of the waste water when in the tank exceeds a certain standard value, the national regulation standard value is 10 at present, if the waste water that exceeds standard directly arranges external pipe network in, can cause pollution and treatment pressure to external pipe network, the government does not allow this kind of waste water to flow into in the external pipe network at present.

A lot of existing enterprises need to carry out internal treatment or exceed standard and steal the emission, so that the water discharge process in the acetylene production process is not environment-friendly enough.

Aiming at the related technologies, the inventor considers that the water body discharged by the existing acetylene filling plant easily pollutes the external pipe network, and the production is not safe and environment-friendly enough.

SUMMERY OF THE UTILITY MODEL

In order to make acetylene production drainage safer environmental protection, this application provides an acetylene production drainage device.

The application provides a drainage device for acetylene production adopts following technical scheme:

the utility model provides an acetylene production drainage device, includes the tank, tank bottom intercommunication has the drain pipe, the outside water route pipe network of drain pipe intercommunication, install electric valve on the drain pipe, be equipped with the PH detector on the tank, the PH detector is connected with the controller, the controller is connected with electric valve.

Through adopting above-mentioned technical scheme, the PH detector is used for detecting the PH value of water in the reservoir, and the controller is used for receiving the signal that the PH detector sent, and the controller is used for handling received signal and sends control signal to electric valve to control electric valve's opening or close. This acetylene drainage detection device can be according to the PH value control of water in the tank whether to outside water route pipe network drainage, reduces the waste water that exceeds standard and discharges to the external world to make the drainage process in the acetylene production environmental protection safety more.

Preferably, the PH detector is provided with a plurality of, and each PH detector all is connected with the controller.

Through adopting above-mentioned technical scheme, a plurality of PH detectors help carrying out the multiple spot to the different positions of water in the tank and detect to the PH value of each part in the detection water that can be more comprehensive accurate, the PH value signal that every PH detector detected out all feeds back controller department, and the controller helps judging the PH value signal that a plurality of PH detectors sent, and according to the opening and close of judgement analysis result control electric valve. In conclusion, adopt a plurality of PH detectors, can be more accurate comprehensive detect the PH value of water in the tank to further reduce the mistake circumstances of discharging that probably produces because of the inhomogeneous condition of water PH value, thereby further improved the feature of environmental protection of production drainage.

Preferably, a plurality of the PH detectors are evenly arranged around the bottom end of the outer side wall of the water storage tank in an annular shape.

By adopting the technical scheme, the accuracy of the PH detector for detecting each position of the water body is further improved, so that the water body discharge with over-standard PH is further reduced, and the environmental protection of the water body discharge is improved.

Preferably, the system also comprises a production water tank, wherein the bottom of the water tank is communicated with a circulating pipe, the circulating pipe is connected with a circulating pump, and a water outlet of the circulating pump is communicated with the production water tank.

Through adopting above-mentioned technical scheme, the staff operates the circulating pump for the circulating pump is taken out the water in the tank to the process water pond and is carried out cyclic utilization, thereby realizes the processing mode of environmental protection more, has effectively improved the feature of environmental protection of acetylene production drainage.

Preferably, the top of tank inside wall is equipped with the warning liquid level line, warning liquid level line department is equipped with the liquid level monitoring subassembly, the liquid level monitoring subassembly is connected with the alarm.

Through adopting above-mentioned technical scheme, the PH value maintains higher value for a long time in the tank, water in the tank is difficult to discharge away fast, the inside water level of tank can constantly rise, when the liquid level in the tank reachs warning liquid level line, the alarm sounds, remind the staff to open the circulating pump, take out the water in the tank to the process water pond cyclic utilization, thereby avoid causing the water in the tank to overflow because of staff's carelessness, cause the pollution condition of factory flood.

Preferably, the alarm is connected with a PLC control module, and the PLC control module is connected with the circulating pump.

Through adopting above-mentioned technical scheme, PLC control module helps receiving the signal that the alarm sent to send control signal control circulating pump and open and stop, make the control of circulating pump more automatic, reduce manual operation, control is also more accurate.

Preferably, the water storage tank is communicated with a dilution pump.

Through adopting above-mentioned technical scheme, when the PH value of the water in the tank is high all the time, the dilution pump work is supplied with a certain amount of new water in to the tank to dilute the PH value that reduces in the tank, make the water in the tank satisfy the emission requirement, make the water emission of tank environmental protection more.

Preferably, the other end of the dilution pump is provided with a rainwater collection tank, and the rainwater collection tank is communicated with an external pipe network.

Through adopting above-mentioned technical scheme, certain rainwater is collected at the rainwater collecting pit in rainy season, can regard as the water source of dilution pump, needn't insert new water from outside pipe network, directly with the rainwater extraction part in the rainwater collecting pit take out the tank in can, use more environmental protection economy.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the PH detector and the electric valve, and connecting the controller between the PH detector and the electric valve, the controller receives a signal sent by the PH detector and controls the electric valve to be opened or closed, so that the drainage operation of an external pipeline can be controlled and environment-friendly according to the PH value in a water body, and the drainage in acetylene production is more environment-friendly and safer;

2. a plurality of PH detectors are uniformly arranged on the outer side wall of the bottom end of the water storage tank in a surrounding manner, so that the multi-point PH value detection of the water body is realized, the detection area of the water body is more comprehensive and accurate, and the judgment and the processing of the controller are further facilitated;

3. through being equipped with circulating pipe and water pump, when the aqua storage pond normal water volume is more, can take out the water to carry out cyclic utilization in the pond for the production to realize cyclic utilization to acetylene production drainage, further improved acetylene production drainage's feature of environmental protection.

Drawings

FIG. 1 is a schematic view of the overall structure of a drainage apparatus for acetylene production;

FIG. 2 is a front view of an acetylene production water discharge apparatus;

FIG. 3 is a schematic diagram of the overall structure of the acetylene production water discharge apparatus mainly used for showing a dilution pump.

Description of reference numerals: 1. a water storage tank; 2. a drain pipe; 3. an electrically operated valve; 4. a pH detector; 5. a controller; 6. a production water tank; 7. a circulation pipe; 8. a circulation pump; 9. warning a liquid level line; 10. a liquid level monitoring assembly; 11. an alarm; 12. a PLC control module; 13. a dilution pump; 14. a rainwater collecting tank.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

Referring to fig. 1, a drainage device for acetylene production is disclosed in the embodiments of the present application. The acetylene water drainage device comprises a water storage tank 1, wherein the water storage tank 1 is arranged below the ground, and the water storage tank 1 is used for receiving and storing wastewater discharged in the acetylene production process; the bottom end of the outer side wall of the water storage tank 1 is communicated with a drain pipe 2 for draining water, the drain pipe 2 is communicated with an external water path pipe network, and an electric valve 3 is arranged on the drain pipe 2 and used for controlling the opening and closing of the drain pipe 2; the bottom end of the outer side wall of the water storage tank 1 is simultaneously provided with a plurality of PH detectors 4, the PH detectors 4 are uniformly distributed on the outer side wall of the water storage tank 1 in an annular shape, and detection probes of the PH detectors 4 are inserted into the water storage tank 1 and sealed; the PH detector 4 is connected with a controller 5 through a line, and the controller 5 is connected with the electric valve 3 through a line.

The plurality of PH detectors 4 detect the PH values in the water storage tank 1 at the same time, the plurality of PH detectors 4 transmit detected PH signals to the controller 5, the controller 5 receives the PH signals transmitted by the plurality of PH detectors 4 and judges whether the PH values are greater than 10, if the PH values are less than 10, the PH values of the water in the water storage tank 1 are lower than the PH value standard values, at the moment, the controller 5 transmits signals to the electric valves 3 and controls the electric valves 3 to open, and therefore the water in the water storage tank 1 is discharged to an external pipe network safely and environmentally; if the signal of any one PH value is larger than 10, the controller 5 controls the electric valve 3 to close, the drainage is suspended, the non-compliant water body is reduced and is drained to the outside, and the environment-friendly drainage is realized.

Referring to fig. 1, the drainage device further comprises a production water tank 6, the bottom end of the outer side wall of the water storage tank 1 is further communicated with a circulating pipe 7, the circulating pipe 7 is communicated with a circulating pump 8, and a water outlet of the circulating pump 8 is communicated with the production water tank 6 through a pipeline. The circulating pump 8 and the circulating pipe 7 are used for pumping the water in the water storage tank 1 into the production water tank 6 for recycling, so that the environmental protection property in the acetylene production process is improved.

Referring to fig. 1 and 2, a warning liquid level line 9 is arranged at the top end of the inner side wall of the water storage tank 1, a liquid level monitoring assembly 10 is arranged at the position of the warning liquid level line 9, and the specific liquid level monitoring assembly 10 can be a floating ball type liquid level switch, a liquid level display device or a relatively mature liquid level monitor; the liquid level monitoring assembly 10 is connected with an alarm 11, and the alarm 11 is connected with a PLC control module 12 through a line.

After the liquid level of the water in the water storage tank 1 exceeds the warning liquid level line 9, the liquid level monitoring assembly 10 can be timely detect the liquid level condition, and transmit the signal to the alarm 11, then transmit to the PLC control module 12, the PLC module is after the analysis processing to the signal of transmitting coming, control circulating pump 8 starts, take out some water of water storage tank 1 to the use of production in 6 and recycle, adopt the PLC module to realize the effect that automatic cycle used water storage tank 1.

Referring to fig. 3, still be equipped with the rainwater collecting pit in one side of tank 1, be connected with dilution pump 13 between rainwater collecting pit and the tank 1, rainwater collecting pit 14 still communicates has the outside pipe network, when it is more to fall rain in rainy season, a certain amount of rainwater can be collected to rainwater collecting pit 14, more than rainwater is arranged toward the outside pipe network, water pH value when tank 1 is higher always, when unsuitable circulation uses, usable dilution pump 13, take out the partial rainwater of collecting in rainwater collecting pit 14 in the tank 1, reduce the pH value of water in the tank 1, then can discharge.

The implementation principle of the acetylene drainage device disclosed by the embodiment of the application is as follows: the drainage leads to among the acetylene production process in the tank 1, a plurality of PH detectors 4 work, detect out the PH signal, transmit for controller 5, controller 5 judges, if it all is less than 10 to judge a plurality of PH signal value, then controller 5 sends the opening signal to electric valve 3, control electric valve 3 opens, thereby if judge that arbitrary PH signal value is greater than 10, then controller 5 sends the closing signal to electric valve 3, make tank 1 suspend to outside pipe network drainage.

If the PH value of the water in the water storage tank 1 is always high, the electric valve 3 does not drain water, and after the liquid level in the water storage tank 1 reaches the warning liquid level line 9, the liquid level monitoring component 10 detects a liquid level signal and sends the liquid level signal to the alarm 11 and the PLC module, so that the circulating pump 8 is controlled to be started, and the water in the water storage tank 1 is pumped into the production water tank 6 for recycling;

if the water in the tank 1 reaches the warning liquid level line 9 for a plurality of times, the water in the tank 1 is not suitable for recycling through recycling for a plurality of times, the staff opens the dilution pump 13, and part of water is extracted from the rainwater collecting tank and sent to the tank 1, so that the PH value is reduced, and the water is convenient to discharge.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an acetylene production drainage device, includes tank (1), tank (1) bottom intercommunication has drain pipe (2), drain pipe (2) intercommunication outside water route pipeline, its characterized in that: install electric valve (3) on drain pipe (2), be equipped with PH detector (4) on tank (1), PH detector (4) are connected with controller (5), controller (5) are connected with electric valve (3).

2. The acetylene production drainage device according to claim 1, characterized in that: the PH detector (4) is provided with a plurality of PH detectors, and each PH detector (4) is connected with the controller (5).

3. The acetylene production drainage device according to claim 2, characterized in that: a plurality of PH detectors (4) are evenly arranged around the bottom end of the outer side wall of the water storage tank (1) in an annular shape.

4. The acetylene production drainage device according to claim 1, characterized in that: still include water tank for production (6), tank for production (1) bottom intercommunication has circulating pipe (7), circulating pipe (7) are connected with circulating pump (8), the delivery port and the water tank for production (6) intercommunication of circulating pump (8).

5. The acetylene production drainage device according to claim 4, characterized in that: the top of tank (1) inside wall is equipped with warning liquid level line (9), warning liquid level line (9) department is equipped with liquid level monitoring subassembly (10), liquid level monitoring subassembly (10) are connected with alarm (11).

6. The acetylene production drainage device according to claim 5, characterized in that: the alarm (11) is connected with a PLC control module (12), and the PLC control module (12) is connected with the circulating pump (8).

7. The acetylene production drainage device according to claim 1, characterized in that: the water storage tank (1) is communicated with a dilution pump (13).

8. The acetylene production drainage device according to claim 7, characterized in that: the other end of dilution pump (13) is equipped with rainwater collecting pit (14), rainwater collecting pit (14) and external pipe network intercommunication.